JP4187834B2 - Water management system - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a water management system.
[0002]
[Prior art]
In general, rivers and lakes in Japan are not only water sources for water treatment plants, but also discharge destinations for sewage treatment plants. Originally, in order to maintain the water quality of water sources, water treatment facilities related to the same water source should share information and be operated organically, but at present, each water treatment facility operates independently. Information such as water quality and operation status is rarely supplied to other water treatment facilities.
[0003]
[Problems to be solved by the invention]
As described above, since the conventional water treatment facilities did not share information on the water source, information on the state of treatment, etc., the operation of each water treatment facility is inefficient, and the water source Or there was a problem that it was difficult to maintain the quality of the clean water supplied from the water source.
[0004]
The present invention was made to solve such problems, by collecting information from water treatment facilities or information collection facilities related to a certain water source, and reflecting these in the operation of individual water treatment facilities, An object is to obtain a water management system that can maintain the quality of water supplied from a water source or water source.
[0005]
[Means for Solving the Problems]
  This invention1Onemore thanWater ofsourceAt least one discharge of treated water toFirst water treatment facilityTreated water quality or operating conditionsA means of obtainingThe above treated water quality or operating conditionsDepending on the above waterSourceMeans for instructing the operation method of the second water treatment facility for taking water fromIt is a water management system.
[0006]
  In addition, this inventionOne or more water sourcesAt least one discharge of treated water toFirst water treatment facilityTreated water quality or operating conditionsA means of obtainingThe above treated water quality or operating conditionsDepending on the above waterSourceMeans for instructing the water intake position of the second water treatment facility for taking water fromIt is a water management system.
[0007]
  In addition, this inventionOne or more water sourcesAt least one discharge of treated water toFirst water treatment facilityTreated water quality or operating conditionsA means of obtainingThe above treated water quality or operating conditionsDepending on the above waterSourceAnd means for instructing the amount of water taken from the second water treatment facility.It is a water management system.
[0008]
  In addition, this inventionOne or more water sourcesAt least one discharge of treated water toFirst water treatment facilityTreated water quality or operating conditionsA means of obtainingThe above treated water quality or operating conditionsDepending on the above waterSourceAnd means for instructing the amount of water interchange between a plurality of second water treatment facilities that take water fromIt is a water management system.
[0010]
  In addition, this inventionOne or more waterTo the sourceMeans for obtaining information from at least one of the first water treatment facility and the information collection facility, and depending on the information, the waterTo sourceMeans for indicating the discharge position of the second water treatment facility to be dischargedIt is a water management system.
[0012]
  In addition, this inventionOne or more waterTo the sourceMeans for obtaining information from at least one of the first water treatment facility and the information collection facility, and depending on the information,Above waterTo sourceMeans for instructing the amount of water interchange between a plurality of second water treatment facilities to be dischargedIt is a water management system.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a water management system according to an embodiment of the present invention will be described with reference to the accompanying drawings. In the following description, the river represents the water source of the present invention, the sewage treatment plant represents the first water treatment facility of the present invention, and the water purification plant represents the second water treatment facility of the present invention.
[0014]
Embodiment 1 FIG.
FIG. 1 is a configuration diagram showing a water management system according to Embodiment 1 of the present invention. In the first embodiment, the water quality of the water source is estimated from the quality of the sewage treated water, and the system is configured to adjust the operating conditions of the water purification plant according to this value.
[0015]
In FIG. 1, 1 is a river as a water source. Reference numeral 2 denotes a sewage treatment plant as a first water treatment facility for discharging treated water to the river 1. Reference numeral 2 c denotes a pipe for discharging the treated water from the sewage treatment plant 2 to the river 1. 3 is a water purification plant as a second water treatment facility provided on the downstream side of the sewage treatment plant 2 and taking water from the river 1. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3. 4 is a controller for adjusting the operating conditions of the water purification plant 3, and is connected to the sewage treatment plant 2 through the signal line 2a, and is connected to the water purification plant 3 through the signal line 3a. The controller 4 constitutes means for instructing the operation method of the second water treatment facility, and the signal lines 2a and 3a constitute means for obtaining information.
[0016]
Next, the operation of the first embodiment will be described. The pollutant concentration C2out in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3, for example, according to the following equation (1.1).
[0017]
C3in = k11 × C2out (1.1)
here,
k11: Coefficient
Next, the operation condition of the water purification plant 3, for example, the addition amount Q3g of the flocculant is calculated. The calculation follows, for example, the following formula (1.2).
[0018]
Q3g = k12 × C3in (1.2)
here,
k12: Coefficient
The output of the controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and the water purification plant 3 adjusts the addition amount of the flocculant based on the output of the controller 4.
[0019]
By the above, since operation conditions, such as the addition amount of the coagulant | flocculant of the water purification plant 3, can be adjusted according to the contaminant density | concentration in sewage treated water, there exists an effect that the quality of the supplied water can be kept favorable and stable. .
[0020]
Embodiment 2. FIG.
FIG. 2 is a configuration diagram showing a water management system according to Embodiment 2 of the present invention. In the second embodiment, the water quality of the water source is estimated from the treated water quality of a plurality of sewage treatment plants, and the system is configured to adjust the operating conditions of the water purification plant according to this value.
[0021]
In FIG. 2, reference numeral 20 denotes another sewage treatment plant that is provided on the upstream side of the water purification plant 3 and discharges treated water to the river 1. Reference numeral 20 c denotes a pipeline for discharging the treated water from the sewage treatment plant 20 to the river 1. Reference numeral 20 a denotes a signal line for sending information related to the sewage treatment plant 20 to the controller 4. Other configurations are the same as those in FIG.
[0022]
Next, the operation of the second embodiment will be described. Concentrations C2out and C20out of certain contaminants measured in the sewage treatment plants 2 and 20 are sent to the controller 4 via signal lines 2a and 20a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (2.1), for example.
[0023]
C3in = k3in1 x C2out + k3in2 x C20out (2.1)
here,
k3in1: coefficient
k3in2: Coefficient
Thereafter, the operation is the same as in the first embodiment.
[0024]
As described above, the second embodiment also has the same effect as the first embodiment. That is, since the operation conditions of the water purification plant 3 can be adjusted according to the quality of the treated water of the plurality of sewage treatment plants 2 and 20, the water quality of the supplied water can be kept better and stable.
[0025]
Embodiment 3 FIG.
FIG. 3 is a configuration diagram showing a water management system according to Embodiment 3 of the present invention. In the third embodiment, the system is configured so that the water quality of the water source is estimated based on the pollutant concentration measured at the information collection facility, and the operation condition of the water purification plant is adjusted according to this value.
[0026]
In FIG. 3, 5 is an information collection facility provided on the upstream side of the water purification plant 3 for detecting and collecting water quality such as the concentration of pollutants contained in the river 1. Reference numeral 5 a denotes a signal line for sending the pollutant concentration measured at the information collection facility 5 to the controller 4. Other configurations are the same as those in FIG.
[0027]
Next, the operation of the third embodiment will be described. The pollutant concentration C5 in the river water measured by the information collecting facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to, for example, the following equation (3.1).
[0028]
C3in = k3 × C5 (3.1)
here
k3: Coefficient
The output of the controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and the water purification plant 3 adjusts the addition amount of the flocculant based on the output of the controller 4.
[0029]
As described above, according to the third embodiment, since the operation condition of the water purification plant 3 can be adjusted according to the concentration of pollutants contained in the river 1, the quality of the supplied water can be kept good and stable. There is an effect that can be done.
[0030]
Embodiment 4 FIG.
FIG. 4 is a configuration diagram showing a water management system according to Embodiment 4 of the present invention. In the fourth embodiment, the water quality of the water source is estimated based on the pollutant concentration in the river and the pollutant concentration in the sewage treated water measured at the information collection facility, and the operation condition of the water purification plant is adjusted according to the value. The system is configured as described above.
[0031]
In FIG. 4, reference numeral 2 denotes a sewage treatment plant provided on the downstream side of the information collection facility 5 and on the upstream side of the water purification plant 3. Reference numeral 2 a denotes a signal line for sending information from the sewage treatment plant 2 to the controller 4. Others are the same as the structure of FIG.
[0032]
Next, the operation of the fourth embodiment will be described. The pollutant concentration C5 in the river water measured by the information collecting facility 5 is sent to the controller 4 via the signal line 5a. The pollutant concentration C2out in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollution concentration C3in in the raw water taken by the water purification plant 3 according to the following equation (4.1), for example.
[0033]
C3in = k3in81 x C5 + k3in82 x C2out (4.1)
here
k3in81: coefficient
k3in82: coefficient
The output of the controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and the water purification plant 3 adjusts the addition amount of the flocculant based on the output of the controller 4.
[0034]
As mentioned above, according to this Embodiment 4, according to the pollutant density | concentration contained in the river 1 measured in the information collection facility 5, and the pollutant density | concentration in the treated water measured in the sewage treatment plant 2, Since the operating conditions can be adjusted, there is an effect that the quality of the supplied water can be kept better and stable.
[0035]
Embodiment 5 FIG.
In Embodiments 1, 2, and 4 described above, an example of estimating the quality of raw water taken from the sewage treatment water from the quality of the sewage treatment water is shown. Even if the system is configured as estimated, the same effect can be obtained.
[0036]
For example, FIG. 5 is an example of a system configured to estimate the water quality of the water source from the aeration amount of the sewage treatment plant and adjust the operation condition of the water purification plant according to this value.
[0037]
In FIG. 5, 2 b is a conduit for introducing sewage into the sewage treatment plant 2. 201 is a settling tank for precipitating the introduced sewage, and is connected to the pipe line 2b.
[0038]
202 is a biological reaction tank for oxidizing and decomposing sewage pollutant by mixing and aeration of sewage after sedimentation in the sedimentation tank 201 with activated sludge. 201 is connected. Reference numeral 203 denotes an air supply device for supplying air to the aeration tank 202. 2 a is a signal line for transmitting the amount of air supplied to the biological reaction tank 204 from the air supply device 203 to the controller 4.
[0039]
Reference numeral 204 denotes an aeration device attached to the aeration device 203, which is connected to the air supply device 203 via a pipe 203a, and discharges air supplied from the air supply device 203 into the biological reaction tank 202. .
[0040]
205 is a sedimentation tank for carrying out the sedimentation process of the liquid mixture containing the sewage and activated sludge after biological treatment, and is connected with the biological reaction tank 202 via the piping 202a. The treated water after the precipitation treatment is discharged to the river through the pipe 2c. The separated activated sludge is returned to the biological reaction tank 202 via the pipe 205a. Other configurations are the same as those in FIG.
[0041]
Next, the operation of the fifth embodiment will be described. The amount of air Qair supplied from the air supply device 203 to the biological reaction tank 204 is sent to the controller 4 via the signal line 2a. The controller 4 uses this value to estimate the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to, for example, the following equation (5.1).
[0042]
C3in = k51 / Qair
here,
k51: Coefficient
The output of the controller 4 is transmitted to the water purification plant 3 via the signal line 3a, and the water purification plant 3 adjusts the addition amount of the flocculant based on the output of the controller 4.
[0043]
The operating conditions of the sewage treatment plant 2 are not limited to the amount of aeration. The controller 4 determines the water source based on the amount of sludge returned from the sedimentation tank 205 to the biological reaction tank 204, the amount of activated sludge retained in the biological reaction tank 204, and the like. It is of course possible to configure the system to estimate the water quality (contaminant concentration, etc.) and adjust the amount of flocculant added at the water purification plant 3 based on the output of the controller 4.
[0044]
Embodiment 6 FIG.
In Embodiments 1 to 5 described above, the example of adjusting the flocculant addition amount as the operation condition of the water purification plant has been shown, but it is equivalent even if the system is configured to adjust other operation conditions such as the ozone injection rate. The effect of.
[0045]
Embodiment 7 FIG.
Although the example which adjusts the operating condition of a water purification plant was shown in the said Embodiment 1-6, a system can also be comprised so that the process process itself of a water purification plant may be changed (for example, ozone treatment is added). In this case as well, the same effects as those of the first to sixth embodiments are naturally obtained.
[0046]
Embodiment 8 FIG.
In the first to seventh embodiments described above, an example in which the pollutant concentration is calculated by a linear expression has been shown. However, the system is configured so as to be estimated by a dynamic simulation in consideration of water flow, mass transfer related to the pollutant, and reaction. You can also. In this case, there is an effect that the pollutant concentration can be estimated more precisely.
[0047]
Further, if the model parameters used for the dynamic simulation are adjusted by information from a sewage treatment plant or information collection facility, such as water temperature, the accuracy is further improved.
[0048]
Embodiment 9 FIG.
FIG. 6 is a configuration diagram showing a water management system according to Embodiment 9 of the present invention. In the ninth embodiment, the water quality of the water source is estimated from the quality of the sewage treated water, and the system is configured to adjust from which water intake point the water is taken according to these values.
In FIG. 6, 3c, 3d, and 3e are pipes for introducing the water of the river 1 to the water purification plant 3, respectively, and are arranged from the downstream side to the upstream side in the order of 3c to 3e. Arranged on the downstream side of the treatment plant 2, 3 e is arranged on the upstream side of the sewage treatment plant 2. Other configurations are the same as those in FIG.
[0049]
Next, the operation of the ninth embodiment will be described. The concentration C2out of the pollutant measured in the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. For example, the controller 4 determines the pollutant concentration C3inc at the intake point of three places, that is, the intake point of the pipe 3c, the pollutant concentration C3ind of the intake point of the pipe 3d, and the pollutant concentration C3ine of the intake point of the pipe 3e, for example: Calculation is performed according to equations (9.1) to (9.3).
[0050]
C3inc = k91 x C2out (9.1)
C3ind = k92 × C2out (9.2)
C3ine = k93 × C2out (9.3)
here,
k91: Coefficient
k92: Coefficient
k93: coefficient
Next, these values are compared with the target value C3in *, and an instruction is given to take water from a water intake point where the pollutant concentration is lower than the target value C3in *. This instruction is transmitted to the water purification plant 3 via the signal line 3a.
[0051]
As described above, since the safest water intake point can be selected according to the pollutant concentration in the sewage treated water, there is an effect that the quality of the supplied water can be kept good and stable.
[0052]
Embodiment 10 FIG.
FIG. 7 is a configuration diagram showing a water management system according to Embodiment 10 of the present invention. In the tenth embodiment, the water quality of the water source is measured at a plurality of locations, and the system is configured so as to adjust from which intake point the water is taken according to these values.
[0053]
In FIG. 7, 51, 52, and 53 are information collection facilities for measuring the pollutant concentration at the intake points corresponding to the pipelines 3e, 3d, and 3c, respectively, and the controller 4 via the signal lines 51a, 52a, and 53a. Connected with. Other configurations are the same as those in FIG. The controller 4 constitutes means for instructing the water intake position of the second water treatment facility, and the signal lines 51a, 52a, 53a constitute means for obtaining information.
[0054]
Next, the operation of the tenth embodiment will be described. The pollutant concentrations C3ine, C3ind, and C3inc measured at the information processing facilities 51, 52, and 53 are sent to the controller 4 via signal lines 51a, 52a, and 53a. The controller 4 compares these values with the target value C3in *, and issues an instruction to take water from a water intake point where the pollutant concentration is lower than the target value C3in *. This instruction is transmitted to the water purification plant 3 via the signal line 3a.
[0055]
As described above, since the safest water intake point can be selected according to the water quality of the water source, there is an effect that the quality of the supplied water can be kept good and stable.
[0056]
Embodiment 11 FIG.
In the ninth embodiment, an example is shown in which the water quality of the water source is estimated from the quality of the sewage treated water, but the pollutant concentration measurement value of the information collection facility as shown in the tenth embodiment is also used for the calculation of the water quality. The system can also be configured as described above. In this case, in addition to the effect of the ninth embodiment, the water quality at the intake point can be estimated more precisely and the intake point can be selected.
[0057]
Embodiment 12 FIG.
FIG. 8 is a block diagram showing a water management system according to Embodiment 12 of the present invention. In the twelfth embodiment, the system is configured to estimate the water quality of intake points related to a plurality of water sources and adjust from which intake point the water intake is adjusted according to these values.
[0058]
In FIG. 8, 10 is another river. Reference numeral 20 denotes another sewage treatment plant that discharges treated water to the river 10. Reference numeral 20 c denotes a pipeline for discharging the treated water from the sewage treatment plant 20 to the river 10. Reference numeral 20 a denotes a signal line for sending the pollutant concentration in the treated water measured at the sewage treatment plant 20 to the controller 4.
[0059]
Reference numeral 3d denotes a pipeline for sending raw water taken from the river 10 to the water purification plant 3. Other configurations are the same as those in FIG.
[0060]
Next, the operation of the twelfth embodiment will be described. Contaminant concentration C2out measured at sewage treatment plant 2 that discharges treated water to river 1 is via signal line 2a, and pollutant concentration C20out measured at sewage treatment plant 20 is via signal line 20a. It is sent to the controller 4. The controller 4 calculates the pollutant concentration C3in1 at two intake points, that is, the intake point of the river 1, and the pollutant concentration C3in10 at the intake point of the river 10, for example, according to the following equations (12.1) and (12.2). .
[0061]
C3in1 = k121 × C2out (12.1)
C3in10 = k122 × C20out (12.2)
here,
k121: Coefficient
k122: Coefficient
Next, these values are compared with the target value C3in *, and an instruction is given to take water from a water intake point where the pollutant concentration is lower than the target value C3in *. This instruction is transmitted to the water purification plant 3 via the signal line 3a.
[0062]
As described above, since the safest water intake point can be selected according to the pollutant concentration in the sewage treated water applied to a plurality of water sources, there is an effect that the quality of the supplied water can be kept good and stable.
[0063]
Embodiment 13 FIG.
FIG. 9 is a configuration diagram illustrating a water management system according to the thirteenth embodiment. In the thirteenth embodiment, the system is configured to measure the water quality of water intake points related to a plurality of water sources and adjust from which water intake point the water is taken according to these values.
[0064]
In FIG. 9, 5 and 50 are information collection facilities for measuring the concentration of pollutants at the intake points in the river 1 and the river 10, respectively, and are connected to the controller 4 via signal lines 5a and 50a. Other configurations are the same as those in FIG.
[0065]
Next, the operation of the thirteenth embodiment will be described. Contaminant concentrations C3in1 and C3in10 measured at the information processing facilities 5 and 50 are sent to the controller 4 via signal lines 5a and 50a. The controller 4 compares these values with the target value C3in *, and issues an instruction to take water from a water intake point where the pollutant concentration is lower than the target value C3in *. This instruction is transmitted to the water purification plant 3 via the signal line 3a.
[0066]
As described above, since the safest water intake point can be selected according to the water quality of the water intake points related to the plurality of water sources, the water quality of the supplied water can be kept good and stable.
[0067]
Embodiment 14 FIG.
In the above embodiment 12, the example of estimating the water quality of the intake points related to the plurality of water sources from the water quality of the sewage treated water is shown. However, the information collection facility as shown in the above embodiment 13 is used for the calculation of the water quality estimation. The system can also be configured to use pollutant concentration measurements. In this case, in addition to the effects of the twelfth embodiment, there is an effect that the water quality at the intake point can be estimated more precisely and the intake point can be selected.
[0068]
Even if the system is configured to estimate the water quality of the water source based on the operating conditions of the sewage treatment plant, for example, the amount of aeration instead of the quality of the sewage treated water, the same effects as those of the twelfth embodiment are obtained.
[0069]
Embodiment 15 FIG.
In Embodiments 10 to 14 described above, an example in which the pollutant concentration is calculated by a linear equation has been shown. However, the system is configured to calculate by a dynamic simulation considering water flow, mass transfer related to the pollutant, and reaction. You can also. In that case, there is an effect that the pollutant concentration can be estimated more precisely.
[0070]
Further, if the model parameters used for the dynamic simulation are adjusted by information from a sewage treatment plant or information collection facility, such as water temperature, the accuracy is further improved.
[0071]
Embodiment 16 FIG.
FIG. 10 is a block diagram showing a water management system according to Embodiment 16 of the present invention. In the sixteenth embodiment, the system is configured so that the water quality of the water source is estimated from the quality of the sewage treated water, and the amount of water intake is adjusted according to this value.
[0072]
In FIG. 10, 6 is a pump attached to the pipe 3c, and this pump 6 is also connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. The controller 4 constitutes means for instructing the water intake amount of the second water treatment facility.
[0073]
Next, the operation of the sixteenth embodiment will be described. The concentration C2out of the pollutant measured in the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to, for example, the above formula (1.1).
[0074]
The controller 4 compares this value with the target value C3in *, and instructs the water intake to be continued if the pollutant concentration is lower than C3in *. Conversely, if it is higher than C3in *, instruct to stop water intake. These instructions are transmitted to the pump 6 through the signal line 6a.
[0075]
As described above, the intake of the water purification plant 3 can be restricted according to the concentration of the pollutant in the sewage treated water, so that the safety of the supplied water can be maintained.
[0076]
Embodiment 17. FIG.
FIG. 11 is a configuration diagram showing a water management system according to Embodiment 17 of the present invention. In the seventeenth embodiment, the system is configured to measure the water quality of the water source and adjust the water intake amount according to this value.
[0077]
In FIG. 11, 5 is an information collecting facility for measuring the water quality at the intake point of the river 1, and is connected to the controller 4 via a signal line 5a. Other configurations are the same as those in FIG.
[0078]
Next, the operation of the seventeenth embodiment will be described. The pollutant concentration C3in measured at the information processing facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 compares this value with the target value C3in *, and instructs the water intake to be continued if the pollutant concentration is lower than C3in *. Conversely, if it is higher than C3in *, instruct to stop water intake. These instructions are transmitted to the pump 6 through the signal line 6a.
[0079]
As described above, the water intake of the water purification plant 3 can be restricted according to the water quality of the water source, so that the safety of the supplied water can be maintained.
[0080]
Embodiment 18 FIG.
In the above embodiment 16, the example of estimating the water quality of the water source from the quality of the sewage treated water is shown, but the pollutant concentration measurement value of the information collection facility as shown in the embodiment 17 is also used for the calculation of the water quality. The system can also be configured as described above. In this case, in addition to the effect of the sixteenth embodiment, there is an effect that the water quality at the water intake point can be estimated more precisely to restrict the water intake. Even if the system is configured to estimate the water quality of the water source based on the operating conditions of the sewage treatment plant, for example, the amount of aeration instead of the quality of the sewage treated water, the same effect as that of the seventeenth embodiment can be obtained.
[0081]
Embodiment 19. FIG.
FIG. 12 is a block diagram showing a water management system according to Embodiment 19 of the present invention. In the nineteenth embodiment, the system is configured to estimate the water quality at each intake point of the water treatment plant from the treated water quality of the sewage treatment plant, and adjust the intake amount from each intake point according to these values. is there.
[0082]
In FIG. 12, 61 is a pump attached to the conduit 3c, 62 is attached to the conduit 3d, and 63 is attached to the conduit 3e. These pumps 61, 62, 63 are connected via signal lines 61a, 62a, 63a. The controller 4 is also connected. Other configurations are the same as those in FIG.
[0083]
Next, the operation of the nineteenth embodiment will be described. The concentration C2out of the pollutant measured in the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. For example, the controller 4 determines the pollutant concentration C3inc at the intake point of three places, that is, the intake point of the pipe 3c, the pollutant concentration C3ind of the intake point of the pipe 3d, and the pollutant concentration C3ine of the intake point of the pipe 3e, for example: Calculation is performed according to equations (19.1) to (19.3).
[0084]
Next, using these values, the amount of water taken from each of the pipelines 3c, 3d, and 3e is determined. For example, the following two conditions are given. The first condition is that the total amount of water intake is the target value Q3in *. That is,
Q3in * = Q61 + Q62 + Q63 (19.1)
here
Q61: Flow rate of pump 61
Q62: Flow rate of pump 62
Q63: Flow rate of pump 63
The second condition is to make the average value of the pollutant concentration below the target value C3in *. That is,
C3in *> (Q61 × C3inc + Q62 × C3ind + Q63 × C3ine) / Q3in * (19.2) A set of flow rates Q61, Q62, Q63 of the pumps 61, 62, 63 satisfying these two conditions, for example, a genetic algorithm The optimum value search method may be used.
[0085]
The obtained Q61, Q62, and Q63 are transmitted to the pumps 61, 62, and 63 via signal lines 61a, 62a, and 63a, respectively.
[0086]
As described above, the amount of water taken from each water intake point can be adjusted in accordance with the concentration of pollutants in the sewage treated water, so that the quality and amount of the supplied water can be stably maintained.
[0087]
Embodiment 20. FIG.
FIG. 13 is a configuration diagram showing a water management system according to Embodiment 20 of the present invention. In the twentieth embodiment, the system is configured to measure the water quality at each water intake point of the water purification plant and adjust the water intake amount from each water intake point according to these values.
[0088]
In FIG. 13, 51, 52, and 53 are information collection facilities for measuring the pollutant concentration at the intake points corresponding to the pipelines 3e, 3d, and 3c, respectively, and the controller 4 via the signal lines 51a, 52a, and 53a. Connected with. Other configurations are the same as those in FIG.
[0089]
Next, the operation of the twentieth embodiment will be described. The pollutant concentrations C3ine, C3ind, and C3inc measured at the information processing facilities 51, 52, and 53 are sent to the controller 4 via signal lines 51a, 52a, and 53a. The controller 4 uses these values to determine the amount of water taken from each of the pipelines 3e, 3d, and 3c. This procedure is the same as in the eighteenth embodiment.
[0090]
As described above, each intake amount can be adjusted according to the pollutant concentration at each intake point, so that the quality and amount of supplied water can be stably maintained.
[0091]
Embodiment 21. FIG.
In the nineteenth embodiment, an example is shown in which the water quality at a plurality of intake points is estimated from the quality of sewage treated water. However, the pollutant concentration in the information collection facility as shown in the twenty-second embodiment is used for calculation of water quality. The system can also be configured to use measured values. In this case, in addition to the effect of the nineteenth embodiment, the water quality at the water intake points can be estimated more precisely, and the water intake amount from each water intake point can be adjusted.
[0092]
Even if the system is configured to estimate the water quality from the operating conditions of the sewage treatment plant, for example, the aeration amount, instead of the water quality of the sewage treatment water, the same effect as in the nineteenth embodiment is obtained.
[0093]
Embodiment 22. FIG.
FIG. 14 is a configuration diagram showing a water management system according to Embodiment 22 of the present invention. In the twenty-second embodiment, the system is configured to estimate the water quality of intake points related to a plurality of water sources and adjust the intake amount from each intake point according to these values.
In FIG. 14, 10 is a river. Reference numeral 20 denotes a sewage treatment plant that discharges treated water to the river 10. Reference numeral 20 c denotes a pipeline for discharging the treated water from the sewage treatment plant 20 to the river 10. Reference numeral 20 a denotes a signal line for sending the pollutant concentration in the treated water measured at the sewage treatment plant 20 to the controller 4.
[0094]
Reference numeral 3d denotes a pipeline for sending raw water taken from the river 10 to the water purification plant 3. A pump 61 is attached to 3d. The pump 61 is connected to the controller 4 via a signal line 61a. Other configurations are the same as those in FIG.
[0095]
Next, the operation of the twenty-second embodiment will be described. The pollutant concentration C2out measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a, and the pollutant concentration C20out measured at the sewage treatment plant 20 is sent to the controller 4 via the signal line 20a. The controller 4 calculates the pollutant concentration C3in1 at two intake points, that is, the intake point of the river 1 and the pollutant concentration C3in10 at the intake point of the river 10 according to, for example, the above formulas (12.1) and (12.2). Calculate.
[0096]
Next, using these values, the amount of water taken from each of the pipelines 3c and 3d is determined. This procedure is the same as in the nineteenth embodiment.
[0097]
As described above, the amount of water taken from each water intake point can be adjusted in accordance with the concentration of pollutants in the sewage treatment water applied to a plurality of water sources, so that the quality and amount of the supplied water can be stably maintained.
[0098]
Embodiment 23. FIG.
FIG. 15 is a configuration diagram illustrating a water management system according to the twenty-third embodiment. In the twenty-third embodiment, the system is configured so as to measure the water quality at intake points related to a plurality of water sources and adjust the intake amount from each intake point according to these values.
[0099]
In FIG. 15, 5 and 50 are information collection facilities for measuring the pollutant concentration at the intake points in rivers 1 and 10, respectively, and are connected to the controller 4 via signal lines 5a and 50a. Other configurations are the same as those in FIG.
[0100]
Next, the operation of the twenty-third embodiment will be described. The pollutant concentrations C3in and C3in10 measured at the information processing facilities 5 and 50 are sent to the controller 4 via signal lines 5a and 50a. The controller 4 uses these values to determine the amount of water taken from each of the pipelines 3c and 3d. This procedure is the same as in the eighteenth embodiment.
[0101]
As described above, each intake amount can be adjusted in accordance with the water quality of intake points applied to a plurality of water sources, so that the quality and amount of the supplied water can be stably maintained.
[0102]
Embodiment 24. FIG.
In the twenty-second embodiment, an example is shown in which the water qualities of a plurality of water sources are estimated from the quality of sewage treated water. However, the pollutant concentration measurement of the information collection facility as shown in the twenty-third embodiment is used for calculation of water quality The system can also be configured to use values. In this case, in addition to the effect of the twenty-second embodiment, the water quality at the water intake points can be estimated more precisely and the amount of water intake from each water intake point can be adjusted.
[0103]
Even if the system is configured to estimate the water quality from the operating conditions of the sewage treatment plant, for example, the amount of aeration, instead of the water quality of the sewage treatment water, the same effects as those of the twenty-second embodiment are obtained.
[0104]
Embodiment 25. FIG.
In the above-described Embodiments 16, 18, 19, 21, 22, and 24, an example in which the pollutant concentration is calculated by a linear equation has been shown. However, from dynamic simulation considering water flow, mass transfer related to the pollutant, and reaction The system can also be configured to calculate. In that case, there is an effect that the pollutant concentration can be estimated more precisely.
[0105]
Further, if the model parameters used for the dynamic simulation are adjusted by information from a sewage treatment plant or information collection facility, such as water temperature, the accuracy is further improved.
[0106]
Embodiment 26. FIG.
FIG. 16 is a block diagram showing a water management system according to Embodiment 26 of the present invention. In the twenty-sixth embodiment, when water is supplied from a plurality of water purification plants, a system for allocating the amount of water supplied to each water purification plant, that is, the amount of water intake, is configured so that the cost is the lowest.
[0107]
In FIG. 16, 1 and 10 are different rivers. 3 is a water purification plant that takes water from the river 1, and 30 is a water purification plant that takes water from the river 10. 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. 3e is a conduit for supplying clean water from the water purification plant 3, and 30e is a conduit for supplying clean water from the water purification plant 30. 5 is an information collection facility for measuring the water quality of the river 1, and 50 is an information collection facility for measuring the water quality of the river 10. Reference numeral 4 denotes a controller for determining the water intake amount of the water purification plants 3, 30. The controller 4 includes an information collection facility 5 through a signal line 5a, an information collection facility 50 through a signal line 50a, and a signal line. The water purification plant 3 is connected to the water purification plant 30 via the signal line 30a.
[0108]
Next, the operation of the twenty-sixth embodiment will be described. First, the controller 4 calculates a processing cost Co3 necessary for processing the water Q3in of the river 1 to a certain target water quality at the water purification plant 3. The water quality of the river 1 necessary for this calculation is sent from the information collection facility 5 to the controller 4 via the signal line 5a. Similarly, the processing cost Co30 required to process the water Q30in of the river 10 to a certain target water quality at the water purification plant 30 is calculated. The water quality of the river 10 necessary for this calculation is sent from the information collection facility 50 to the controller 4 via the signal line 50a.
[0109]
Repeat this operation to find the combination of Q3in and Q30in that minimizes Co3 + Co30. Here, Q3in + Q30in is constant. The obtained Q3in and Q30in are sent to the respective water purification plants 3 and 30 through the signal line 3a or 30a as the water intake amounts of the water purification plant 3 and the water purification plant 30, respectively.
[0110]
As described above, there is an effect that it is possible to stably supply clean water with good water quality while suppressing processing costs.
[0111]
Embodiment 27. FIG.
FIG. 17 is a configuration diagram showing a water management system according to Embodiment 27 of the present invention. In the above-described embodiment 26, an example is shown in which the water quality of a river measured at an information collection facility is used for calculation of processing costs at a water purification plant. However, this embodiment 27 uses the quality of raw water measured at a water purification plant. In this case, the same effect can be obtained.
[0112]
In this case, the system configuration is as shown in FIG. The quality of raw water measured at each water purification plant 3, 30 is transmitted to the controller 4 via the signal line 3a or 30a. Other operations are the same as those in the twenty-sixth embodiment.
[0113]
Embodiment 28. FIG.
FIG. 18 is a block diagram showing a water management system according to Embodiment 28 of the present invention. In the above-described Embodiment 26, an example in which the water quality of a river measured at an information collection facility is used for calculating a processing cost at a water purification plant has been described. However, in Embodiment 28, processing at a sewage treatment plant located upstream of a water purification plant. The system is configured to use water quality, and the same effect is obtained in this case.
[0114]
In FIG. 18, reference numeral 2 denotes a sewage treatment plant that is provided on the upstream side of the water purification plant 3 and discharges treated water to the river 1. Reference numeral 2 c denotes a pipe for discharging the treated water from the sewage treatment plant 2 to the river 1. Reference numeral 20 denotes a sewage treatment plant that is provided upstream of the water purification plant 30 and discharges treated water to the river 10. Reference numeral 20 c denotes a pipeline for discharging the treated water from the sewage treatment plant 20 to the river 10. The sewage treatment plants 2 and 20 are connected to the controller 4 via signal lines 2a and 20a, respectively. Other configurations are the same as those in FIG.
[0115]
Next, the operation of the twenty-eighth embodiment will be described. Contaminant concentration in the treated water of the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2a. The pollutant concentration in the treated water of the sewage treatment plant 20 is transmitted to the controller 4 via the signal line 20a. Others are the same as in the twenty-sixth embodiment.
[0116]
Even if the system is configured to estimate the water quality from the operating conditions of the sewage treatment plant, for example, the amount of aeration instead of the water quality of the sewage treatment water, the same effects as those of the embodiment 28 are obtained.
[0117]
Embodiment 29. FIG.
FIG. 19 is a configuration diagram showing a water management system according to Embodiment 27 of the present invention. In the present embodiment 29, the flow rate of a river that is a water source of a water purification plant is measured, and when the flow rate decreases, the system is configured so that raw water can be accommodated from other rivers.
[0118]
In FIG. 19, 1 and 10 are different rivers. 3 is a water purification plant that takes water from the river 1, and 30 is a water purification plant that takes water from the river 10. 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. 300c is a conduit for accommodating raw water taken through the conduit 3c or 300c, and is connected to the conduit 3c and the conduit 300c. Reference numeral 6 denotes a pump attached to the pipe line 300c.
[0119]
Reference numeral 5 denotes an information collection facility for measuring the flow rate of the river 1, and 50 denotes an information collection facility for measuring the flow rate of the river 10. 4 is a controller for deciding the amount of raw water to be accommodated according to the flow rate of the river measured by the information collection facilities 5 and 50. This controller 4 is connected to the information collection facility 5 and the signal line 50a via the signal line 5a. Are connected to the information collecting facility 50 and the pump 6 via a signal line 6a. The controller 4 constitutes means for instructing the amount of water interchange between the plurality of second water treatment facilities, and the signal lines 5a, 50a, 6a constitute means for obtaining information.
[0120]
Next, the operation of the 29th embodiment will be described. The flow rate Q1 of the river 1 is measured at the information collection facility 5 and sent to the controller 4 via the signal line 5a. Further, the flow rate Q10 of the river 10 is measured at the information collection facility 50 and sent to the controller 4 via the signal line 50a.
[0121]
The controller 4 compares the flow rate Q1 of the river 1 with the target flow rate Q1 *, and if Q1 falls below Q1 *, it will allow some of the raw water taken through the pipe 30c to be accommodated in the water purification plant 3. Give instructions. This instruction is transmitted to the pump 6 through the signal line 6a, and a part of the raw water is supplied from the water purification plant 30 to the water purification plant 3 through the pipeline 300c by the operation of the pump 6.
[0122]
In addition, the controller 4 compares the flow rate Q10 of the river 10 with the target flow rate Q10 *, and if Q10 falls below Q10 *, a part of the raw water taken through the pipe 3c is accommodated to the water purification plant 30. Give instructions to do. This instruction is transmitted to the pump 6 through the signal line 6a, and a part of the raw water is supplied from the water purification plant 3 to the water purification plant 30 through the pipeline 300c by the operation of the pump 6.
[0123]
By the above, since the fall of one water quantity of the rivers 1 and 10 which are the water sources of the water purification plants 3 and 30 can be detected quickly and raw water can be accommodated from other rivers, the effect that the amount of supplied water can be stably maintained can be achieved. Play.
[0124]
Embodiment 30. FIG.
In the above embodiment 29, an example in which raw water is interchanged from other rivers when the flow rate of the river that is the water source of the water purification plant has been shown, but this embodiment 30 measures the water quality of the river. When this worsens, the system is configured so that raw water can be accommodated from other rivers. In this case, the system configuration is the same as in FIG.
Next, the operation of the thirtieth embodiment will be described with reference to FIG. The pollutant concentration C1 in the river 1 is measured at the information collection facility 5 and sent to the controller 4 via the signal line 5a. Further, the pollutant concentration C10 in the river 10 is measured by the information collecting facility 50 and sent to the controller 4 through the signal line 50a.
[0125]
The controller 4 compares the pollutant concentration C1 in the river 1 with the reference concentration C1 *. If C1 falls below C1 *, part of the raw water taken through the pipe 30c is sent to the water purification plant 3. Give instructions to be flexible. This instruction is transmitted to the pump 6 through the signal line 6a, and a part of the raw water is supplied from the water purification plant 30 to the water purification plant 3 through the pipe 300c by the operation of the pump 6.
[0126]
In addition, the controller 4 compares the pollutant concentration C10 in the river 10 with the reference concentration C10 *. If C10 falls below C10 *, a part of the raw water taken through the pipe 3c is purified. Instruct instructions to accommodate 30. This instruction is transmitted to the pump 6 through the signal line 6a, and a part of the raw water is supplied from the water purification plant 3 to the water purification plant 30 through the pipe 300c by the operation of the pump 6.
[0127]
By the above, since the deterioration of the water quality of the rivers 1 and 10 which are the water sources of the water purification plants 3 and 30 can be detected quickly and the raw water can be accommodated from other rivers, the quality and quantity of the supplied water can be stably maintained. There is an effect.
[0128]
Embodiment 31. FIG.
FIG. 20 is a configuration diagram showing a water management system according to Embodiment 31 of the present invention. In the above-described Embodiments 29 and 30, the example in which the raw water is interchanged from other rivers when the flow rate of the river that is the water source of the water purification plant is reduced or the water quality is deteriorated has been shown. Is a system configured to accommodate water being treated at other water treatment plants.
[0129]
In FIG. 20, 300 c is a conduit for accommodating the water being treated, and is connected to the water purification plant 3 and the water purification plant 30. A pump 6 attached to the pipe 300c is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. The operation of the thirty-first embodiment is almost the same as those of the above-described twenty-ninth and thirty-third embodiments.
[0130]
Embodiment 32. FIG.
FIG. 21 is a configuration diagram showing a water management system according to Embodiment 32 of the present invention. In the above-described Embodiments 29 and 30, an example has been shown in which raw water is interchanged from other rivers when the flow rate of a river that is a water source of a water purification plant decreases or when the water quality deteriorates. Is a system configured to accommodate water treated in other water treatment plants.
[0131]
In FIG. 21, 300 c is a conduit for accommodating treated water, and is connected to the conduit 3 e of the water purification plant 3 and the pipeline 30 e of the water purification plant 30. Here, the pipeline 3e is a pipeline for distributing water from the water purification plant 3, and the pipeline 30e is a pipeline for distributing water from the water purification plant 30. A pump 6 attached to the pipe 300c is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. The operation of the thirty-second embodiment is also substantially the same as those of the twenty-ninth and thirty-third embodiments.
[0132]
Embodiment 33. FIG.
FIG. 22 is a block diagram showing a water management system according to Embodiment 33 of the present invention. In the present embodiment 33, the water quality of the river is estimated from the treated water quality of the sewage treatment plant, and when this deteriorates, the system is configured to allow the raw water to be accommodated from other rivers.
[0133]
In FIG. 22, 2 is a sewage treatment plant that discharges treated water to the river 1, and 20 is a sewage treatment plant that discharges treated water to the river 10. 2c is a pipeline for discharging from the sewage treatment plant 2 to the river 1, and 20c is a pipeline for discharging from the sewage treatment plant 20 to the river 10. The sewage treatment plants 3 and 30 are connected to the controller 4 through signal lines 2a and 20a, respectively. Other configurations are the same as those in FIG.
[0134]
Next, the operation of the thirty-third embodiment will be described. The pollutant concentration C2out in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The pollutant concentration C20out in the treated water measured at the sewage treatment plant 20 is sent to the controller 4 via the signal line 2a. The controller 4 estimates the pollutant concentration C1 in the river 1 and the pollutant concentration C10 in the river 10 using these values. The calculation for estimation follows, for example, the above formulas (11.1) and (11.2).
[0135]
The controller 4 compares the pollutant concentration C1 in the river 1 with the reference concentration C1a. If C1 falls below C1a, a part of the raw water taken through the pipe 30c is accommodated to the water purification plant 3. Give instructions to do. This instruction is transmitted to the pump 6 through the signal line 6 a, and a part of the raw water flowing through the pipe 30 c is supplied to the pipe 3 c through the pipe 300 c by the operation of the pump 6, and is supplied from there to the water purification plant 3.
[0136]
Further, the controller 4 compares the pollutant concentration C10 in the river 10 with the reference concentration C10a, and when C10 falls below C10a, a part of the raw water taken through the pipe 3c is treated with the water purification plant 30. Instruct them to be flexible. This instruction is transmitted to the pump 6 through the signal line 6 a, and a part of the raw water flowing through the pipe 3 c is supplied to the pipe 30 c through the pipe 300 c by the operation of the pump 6, and is supplied from there to the water purification plant 30.
[0137]
As described above, since the deterioration of the water quality of the river can be promptly estimated from the pollutant concentration in the sewage treated water and the raw water can be accommodated from other rivers, the quality and amount of the supplied water can be stably maintained.
[0138]
Embodiment 34. FIG.
FIG. 23 is a block diagram showing a water management system according to Embodiment 34 of the present invention. In the said Embodiment 33, when the water quality of the river which is a water source of a water purification plant deteriorated, the example which accommodates raw | natural water from another river was shown, but this Embodiment 34 is processed in another water purification plant. The system is configured to accommodate the water inside.
[0139]
In FIG. 23, 300c is a conduit for accommodating the water being treated, and is connected to the water purification plant 3 and the water purification plant 30. A pump 6 attached to the pipe 300c is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. The operation of the thirty-fourth embodiment is almost the same as that of the thirty-third embodiment.
[0140]
Embodiment 35. FIG.
FIG. 24 is a block diagram showing a water management system according to Embodiment 35 of the present invention. In the said Embodiment 33, when the water quality of the river which is a water source of a water purification plant deteriorated, the example which accommodates raw | natural water from another river was shown, but this Embodiment 35 is processed in another water purification plant. The system is configured to accommodate the water supply.
[0141]
In FIG. 24, 300 c is a conduit for accommodating treated water, and is connected to the conduit 3 e of the water purification plant 3 and the pipeline 30 e of the water purification plant 30. Here, the pipeline 3e is a pipeline for distributing water from the water purification plant 3, and the pipeline 30e is a pipeline for distributing water from the water purification plant 30. A pump 6 attached to the pipe 300c is connected to the controller 4 via a signal line 6a. Other configurations are the same as those in FIG. Further, the operation of the thirty-fifth embodiment is substantially the same as that of the thirty-third embodiment.
[0142]
Embodiment 36. FIG.
FIG. 25 is a block diagram showing a water management system according to Embodiment 36 of the present invention. In the present embodiment 36, for a plurality of water treatment plants capable of accommodating raw water, a system for deciding the water intake amount and water interchange amount of each water treatment plant so that the total treatment cost is the lowest It is.
[0143]
In FIG. 25, 1 and 10 are different rivers. 3 is a water purification plant that takes water from the river 1, and 30 is a water purification plant that takes water from the river 10. 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. 3e is a conduit for supplying clean water from the water purification plant 3, and 30e is a conduit for supplying clean water from the water purification plant 30. Reference numeral 300c denotes a pipe line for accommodating raw water taken through the pipe 3c or 30c, and is connected to the pipe line 3c and the pipe line 30c. Reference numeral 6 denotes a pump attached to the pipe line 300c.
[0144]
5 is an information collection facility for measuring the water quality of the river 1, and 50 is an information collection facility for measuring the water quality of the river 10. Reference numeral 4 denotes a controller for determining the water intake amount and water interchange amount of the water purification plants 3, 30. The controller 4 includes an information collection facility 5 via a signal line 5a and an information collection facility via a signal line 50a. 50, the water purification plant 3 via the signal line 3a, and the water purification plant 30 via the signal line 30a, respectively.
[0145]
Next, the operation of the thirty-sixth embodiment will be described. First, the controller 4 calculates a processing cost Co3 necessary for processing the water Q3in of the river 1 to a certain target water quality at the water purification plant 3. The water quality of the river 1 necessary for this calculation is sent from the information collection facility 5 to the controller 4 via the signal line 5a. Similarly, the processing cost Co30 required to process the water Q30in of the river 10 to a certain target water quality at the water purification plant 30 is calculated. The water quality of the river 10 necessary for this calculation is sent from the information collection facility 50 to the controller 4 via the signal line 50a. Here, it is assumed that Q3in + Q30in is equal to the sum of the water supply amount of each water purification plant 3, 30.
[0146]
Repeat this operation to find the combination of Q3in and Q30in that minimizes Co3 + Co30. The obtained Q3in and Q30in are sent to the respective water purification plants 3 and 30 through the signal line 3a or 30a as the water intake amounts of the water purification plant 3 and the water purification plant 30, respectively. In addition, when Q3in or Q30in is insufficient for the water supply amount of each water treatment plant, the shortage is accommodated to the other through the pipe 300c. The accommodation amount is sent from the controller 4 to the pump 6 via the signal line 6a.
[0147]
As described above, there is an effect that it is possible to stably supply clean water with good water quality while suppressing processing costs.
[0148]
Embodiment 37. FIG.
FIG. 26 is a configuration diagram showing a water management system according to Embodiment 37 of the present invention. In the above embodiment 36, an example of accommodating raw water taken in a water purification plant has been shown, but this embodiment 37 is a system configured to accommodate water in the treatment process. In this case, the same effect can be achieved.
[0149]
In FIG. 26, 300 c is a conduit for accommodating water being processed in the water purification plant 3 or 30, and connects the water purification plant 3 and the water purification plant 30. Other configurations are the same as those in FIG. The operation of the thirty-seventh embodiment is the same as that of the thirty-sixth embodiment.
[0150]
Embodiment 38. FIG.
FIG. 27 is a block diagram showing a water management system according to Embodiment 38 of the present invention. In the above-described Embodiment 36, an example in which the raw water taken in the water purification plant is accommodated has been shown. However, in the present embodiment 38, the system is configured to accommodate clean water. Has the same effect.
[0151]
In FIG. 27, 300c is a conduit for accommodating clean water, and is connected to the piping 3e and the piping 30e. Other configurations are the same as those in FIG. The operation of the thirty-eighth embodiment is the same as that of the thirty-sixth embodiment.
[0152]
Embodiment 39. FIG.
FIG. 28 is a block diagram showing a water management system according to Embodiment 39 of the present invention. In the above-described Embodiment 36, an example in which the river water quality measured at the information collection facility is used to calculate the processing cost at the water purification plant has been shown, but this Embodiment 39 uses the quality of raw water measured at the water purification plant. In this case, the same effect can be obtained.
[0153]
In FIG. 28, the water purification plants 3, 30 are connected to the controller 4 via signal lines 3a, 30a. Other configurations are the same as those in FIG.
[0154]
Next, the operation of the thirty-ninth embodiment will be described. The quality of the raw water measured at each water purification plant 3, 30 is sent to the controller 4 via signal lines 3a, 30a. Others are the same as in the thirty-sixth embodiment.
[0155]
Embodiment 40. FIG.
FIG. 29 is a block diagram showing a water management system according to Embodiment 40 of the present invention. In the above embodiment 39, an example of accommodating raw water taken in a water purification plant has been shown. However, in the present embodiment 40, the system is configured to accommodate water in the treatment process. In this case, the same effect can be achieved.
[0156]
In FIG. 29, 300 c is a conduit for accommodating water being processed in the water purification plant 3 or 30, and connects the water purification plant 3 and the water purification plant 30. Other configurations are the same as those in FIG. The operation of the fortieth embodiment is the same as that of the above-described thirty-ninth embodiment.
[0157]
Embodiment 41. FIG.
FIG. 30 is a block diagram showing a water management system according to Embodiment 41 of the present invention. In the above embodiment 39, an example of accommodating raw water taken in a water purification plant has been shown, but the present embodiment 41 is a system configured to accommodate clean water, and in this case Has the same effect.
[0158]
In FIG. 30, 300c is a conduit for accommodating clean water, and is connected to the piping 3e and the piping 30e. Other configurations are the same as those in FIG. The operation of the forty-first embodiment is the same as that of the above-described thirty-ninth embodiment.
[0159]
Embodiment 42. FIG.
FIG. 31 is a block diagram showing a water management system according to Embodiment 42 of the present invention. In the above-described Embodiment 36, an example in which the river water quality measured at the information collection facility is used for calculating the treatment cost at the water treatment plant has been described. However, in the present embodiment 42, the treatment at the sewage treatment plant located upstream of the water treatment plant. The system is configured to use water quality, and the same effect is obtained in this case.
[0160]
In FIG. 31, 2 is a sewage treatment plant that discharges treated water to the river 1, and 20 is a sewage treatment plant that discharges treated water to the river 10. 2c is a conduit for discharging the treated water from the sewage treatment plant 2 to the river 1, and 20c is a conduit for discharging the treated water from the sewage treatment plant 20 to the river 10. The sewage treatment plant 2 is connected to the controller 4 via the signal line 2a, and the sewage treatment plant 20 is connected to the controller 4 via the signal line 20a. Other configurations are the same as those in FIG.
[0161]
Next, the operation of the forty-second embodiment will be described. The concentration of contaminants in the treated water measured at the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2a. Further, the concentration of contaminants in the treated water measured at the sewage treatment plant 20 is transmitted to the controller 4 via the signal line 20a. Others are the same as in the thirty-sixth embodiment.
[0162]
Embodiment 43. FIG.
FIG. 32 is a block diagram showing a water management system according to Embodiment 43 of the present invention. In the above embodiment 42, an example of accommodating raw water taken in a water purification plant has been shown, but in the present embodiment 43, the system is configured to accommodate water in the treatment process. In this case, the same effect can be achieved.
[0163]
In FIG. 32, 300 c is a conduit for accommodating water being processed in the water purification plant 3 or 30, and connects the water purification plant 3 and the water purification plant 30. Other configurations are the same as those in FIG. Operation of the forty-third embodiment The same as the forty-second embodiment.
[0164]
Embodiment 44. FIG.
FIG. 33 is a block diagram showing a water management system according to Embodiment 44 of the present invention. In the above-described embodiment 42, an example of accommodating raw water taken in a water purification plant has been shown, but the present embodiment 44 is a system configured to accommodate clean water, and in this case Has the same effect.
[0165]
In FIG. 33, 300c is a conduit for accommodating clean water, and is connected to the piping 3e and the piping 30e. Other configurations are the same as those in FIG. The operation of the forty-fourth embodiment is the same as that of the forty-second embodiment.
[0166]
Embodiment 45. FIG.
FIG. 34 is a block diagram showing a water management system according to Embodiment 45 of the present invention. In the present embodiment 45, the system is configured to adjust the operating conditions of the sewage treatment plant so that the quality of raw water taken by the water purification plant becomes the target water quality.
[0167]
In FIG. 34, 1 is a river. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1. Reference numeral 2 c denotes a pipeline for discharging the sewage treated water to the river 1. Reference numeral 3 denotes a water purification plant that takes water from the river 1. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3. 4 is a controller for adjusting the operating conditions of the sewage treatment plant 2 using information relating to the water treatment plant 3, and the sewage treatment plant 2 via the signal line 2a and the water purification plant 3 via the signal line 3a, respectively. It is connected. The controller 4 constitutes means for instructing the operation method of the second water treatment facility, and the signal lines 2a and 3a constitute means for obtaining information.
[0168]
Next, the operation of the forty-fifth embodiment will be described. The pollutant concentration C3in in the raw water measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. The controller 4 adjusts the operating condition of the sewage treatment plant 2, for example, the aeration amount Qair, according to the deviation between the pollutant concentration C3in in the raw water and the predetermined target value C3in *. The calculation follows, for example, the following formula (45.1).
[0169]
Qair = k45 x (C3in-C3in *) (45.1)
here
k45: Coefficient
The output of the controller 4 is transmitted to the sewage treatment plant 2 via the signal line 2a, and the operating conditions such as the aeration amount of the sewage treatment plant 2 are adjusted.
[0170]
As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so that the quality of the raw water taken by the water purification plant 3 is maintained, the water quality of the raw water can be kept good and stable.
[0171]
Embodiment 46. FIG.
FIG. 34 is a block diagram showing a water management system according to Embodiment 46 of the present invention. In the above embodiment 45, the example of adjusting the operating condition of the sewage treatment plant according to the deviation between the quality of the raw water taken by the water purification plant and the predetermined target water quality of the raw water is shown. The system is configured to estimate the treated water quality of the sewage treatment plant from the quality of the raw water of the water treatment plant and adjust the operating conditions of the sewage treatment plant so that this becomes the target water quality.
[0172]
Next, the operation of the forty-sixth embodiment will be described with reference to FIG. The pollutant concentration C3in in the raw water measured at the water purification plant 3 is sent to the controller 4 via the signal line 2a. For example, the controller 4 estimates the pollutant concentration C2out in the treated water of the sewage treatment plant 2 according to the following equation (46.1).
[0173]
C2out = k461 × C3in (46.1)
here
k461: coefficient
Next, the operating condition of the sewage treatment plant 3, for example, the aeration amount Qair is adjusted according to the deviation between the pollutant concentration C2out and the predetermined target value C2out *. The calculation follows, for example, the following formula (46.2).
[0174]
Qair = k462 × (C2out-C2out *) (46.2)
here
k462: coefficient
The output of the controller 4 is transmitted to the sewage treatment plant 2 through the signal line 2a.
[0175]
As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so that the quality of the raw water taken by the water purification plant 3 is maintained, the water quality of the raw water can be kept good and stable.
[0176]
Embodiment 47. FIG.
FIG. 35 is a block diagram showing a water management system according to Embodiment 47 of the present invention. In the present embodiment 47, the system is configured to adjust the operating conditions of the sewage treatment plant so that the water quality of the river water measured at the information collection facility becomes the target water quality.
In FIG. 35, reference numeral 5 denotes an information collection facility for collecting water quality information such as pollutant concentration in the river 1. Reference numeral 5 a denotes a signal line for sending the pollutant concentration measured at the information collection facility 5 to the controller 4. Other configurations are the same as those in FIG.
[0177]
Next, the operation of the forty-seventh embodiment will be described. The pollutant concentration C5 measured at the information collection facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 adjusts the operating condition of the sewage treatment plant 3, for example, the aeration amount Qair, according to the deviation between this value C5 and a predetermined target value C5 *. The calculation follows, for example, the following formula (47.1).
[0178]
Qair = k47 x (C5-C5 *) (47.1)
here
k47: coefficient
The output of the controller 4 is transmitted to the sewage treatment plant 2 via the signal line 2a, and the operating conditions such as the aeration amount of the sewage treatment plant 2 are adjusted.
[0179]
As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so as to maintain the water quality of the river that is the water source, the water quality of the water source can be kept good and stable.
[0180]
Embodiment 48. FIG.
FIG. 36 is a block diagram showing a water management system according to Embodiment 48 of the present invention. In the present embodiment 48, the quality of raw water taken by the water purification plant is estimated from the pollutant concentration measured at the information collection facility and the pollutant concentration in the sewage treated water, and the operating conditions of the sewage treatment plant so that this becomes the target water quality. The system is configured to adjust the frequency.
[0181]
In FIG. 36, 2 is a sewage treatment plant. Reference numeral 2 a denotes a signal line for sending information related to the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
Next, the operation of the forty-eighth embodiment will be described. The pollutant concentration C5 measured at the information collection facility 5 is sent to the controller 4 via the signal line 5a. The pollutant concentration C2out in the treated water measured at the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a. The controller 4 calculates the pollutant concentration C3in in the raw water taken by the water purification plant 3 according to, for example, the above formula (8.1).
[0182]
Thereafter, the operation is the same as that in the forty-seventh embodiment.
[0183]
As described above, since the operating conditions of the sewage treatment plant 2 can be adjusted so as to maintain the quality of the raw water taken by the water purification plant 3, the effect that the quality of the supplied water can be kept good and stable is achieved. .
[0184]
Embodiment 49. FIG.
In the above embodiment 48, an example of estimating the quality of raw water taken by the water treatment plant from the pollutant concentration measured at the information collection facility and the pollutant concentration in the sewage treatment water is shown. Even if the system is configured so that the quality of raw water is estimated from the amount of aeration, the same effect can be obtained.
[0185]
Embodiment 50. FIG.
In the above embodiments 45 to 49, the example in which the aeration amount is adjusted as the operating condition of the sewage treatment plant has been shown, but it is equivalent even if the system is configured to adjust other operating conditions such as the activated sludge microbial concentration. The effect of.
[0186]
Embodiment 51. FIG.
In the above embodiments 45 to 50, an example of adjusting the operating conditions of the sewage treatment plant has been shown. However, the system may be configured to change the treatment process itself of the sewage treatment plant (for example, to add ozone treatment). it can. Also in this case, of course, the same effects as those of the above-described embodiments 45 to 50 are obtained.
[0187]
Embodiment 52. FIG.
In the above-described embodiments 46 to 51, an example in which the pollutant concentration is calculated by a linear expression has been shown. However, the system is configured to calculate from a dynamic simulation that takes into account water flow, mass transfer related to pollutants, and reactions. You can also. In that case, there is an effect that the pollutant concentration can be estimated more precisely.
[0188]
Further, if the model parameters used for the dynamic simulation are adjusted by information from a sewage treatment plant or information collection facility, such as water temperature, the accuracy is further improved.
[0189]
Embodiment 53. FIG.
FIG. 37 is a block diagram showing a water management system according to Embodiment 53 of the present invention. In the present embodiment 53, a system for optimizing the operating conditions of the water purification plant and the sewage treatment plant is configured so as to supply clean water with good water quality while suppressing the treatment cost.
[0190]
In FIG. 37, 1 is a river. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1. Reference numeral 2 c denotes a pipe for discharging the treated water from the sewage treatment plant 2 to the river 1. Reference numeral 3 denotes a water purification plant that takes water from the river 1. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3.
[0191]
4 is a controller for optimizing the operating conditions of the sewage treatment plant 2 and the water treatment plant 3, and is connected to the sewage treatment plant 2 via the signal line 2a and to the water purification plant 3 via the signal line 3a, respectively. .
[0192]
Next, the operation of the present embodiment 53 will be described. First, the controller 4 simulates the quality of treated water and the cost Co2 when sewage is treated under certain operating conditions. Next, the operating conditions and the treatment cost Co3 necessary for treating the river water mixed with the treated sewage water to the target water quality with the water purification plant 3 are calculated.
[0193]
The above calculation is repeated to find the operating conditions of the sewage treatment plant 2 and the operating conditions of the water purification plant 3 where the total treatment cost Co2 + Co3 is the lowest. These operating conditions are sent to the sewage treatment plant 2 through the signal line 2a and to the water purification plant 3 through the signal line 3a.
[0194]
As described above, there is an effect that it is possible to supply clean water with good water quality while suppressing processing costs.
[0195]
Embodiment 54. FIG.
FIG. 38 is a block diagram showing a water management system according to Embodiment 54 of the present invention. The present embodiment 54 also constitutes a system that optimizes the operating conditions of the water purification plant and the sewage treatment plant so as to supply clean water with good water quality while suppressing the treatment cost.
[0196]
In FIG. 38, 5 is an information collection facility for measuring the water quality of the river 1, and is connected to the controller 4 via a signal line 5a. Others are the same as those in the above-described embodiment 53.
[0197]
The operation of the present embodiment 54 is almost the same as that of the above-described embodiment 53, but the river water quality measured by the information collection facility 5 is used to calculate the operating conditions and treatment costs of the water purification plant 3.
[0198]
As described above, in addition to the effect of the above-described embodiment 53, the operation condition of the water purification plant 3 and the sewage treatment plant 2 can be calculated more precisely.
[0199]
Embodiment 55. FIG.
FIG. 39 is a block diagram showing a water management system according to Embodiment 55 of the present invention. In the present embodiment 55, the system is configured so as to adjust the amount of sewage treated water to be advanced for reduction to the upstream of the water purification plant so as to maintain the flow rate of the river at the intake point of the water purification plant. is there.
[0200]
In FIG. 39, 1 is a river. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1. Reference numeral 2 c denotes a pipe for discharging the treated water from the sewage treatment plant 2 to the river 1. Reference numeral 3 denotes a water purification plant that takes water from the river 1 and is located upstream of the sewage treatment plant 2. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3.
[0201]
8 is an advanced treatment facility for advanced treatment of the sewage treated water that is returned to the upstream of the water purification plant 3. 8c is a pipe line for returning the treated water after the advanced treatment to the river 1. Reference numeral 6 denotes a pump for passing a part of the sewage treated water to the advanced treatment facility 8, and is attached to the pipe 2c. The pump 6 is also connected to the advanced processing facility 8 through a pipe 8e.
[0202]
4 is a controller for adjusting the amount of sewage treated water to be sent to the advanced treatment facility, and is connected to the water purification plant 3 via the signal line 3a and to the pump 6 via the signal line 6a.
[0203]
Next, the operation of the 55th embodiment will be described. The flow rate Q3in at the water intake point measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. The controller 4 adjusts the amount of treated water to be supplied to the advanced treatment facility 8 in accordance with the deviation between the flow rate Q3in and a predetermined target value Q3in *. The calculation follows, for example, the following formula (55.1).
[0204]
Q8in = k55 x (Q3in *-Q3in) (55.1)
The output of the controller 4 is transmitted to the pump 6 via a signal line 6a.
[0205]
As described above, since the amount of treated water that is reduced upstream (highly treated) so as to maintain the flow rate at the water intake point of the water purification plant 3 can be adjusted, there is an effect that the amount of water supply can be stably maintained. . Moreover, since it is not necessary to carry out the advanced processing of the whole quantity, there exists an effect that cost can be restrained low.
[0206]
Embodiment 56. FIG.
FIG. 40 is a block diagram showing a water management system according to Embodiment 56 of the present invention. In the present embodiment 56, the system is configured so as to select the discharge position of the sewage treatment water according to the quality of the raw water taken at the water purification plant.
[0207]
In FIG. 40, 1 is a river. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1. Reference numerals 2 c and 2 d are pipes for discharging the sewage treated water to the river 1. The pipe line 2d is installed so as to discharge the sewage treated water upstream of the water purification plant 3 that takes water from the river 1. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3. 4 is a controller for selecting the discharge position of the sewage treated water, and is connected to the water purification plant 3 via the signal line 3a and to the sewage treatment plant 2 via the signal line 2a. The controller 4 constitutes means for instructing the discharge position of the second water treatment facility, and the signal lines 2a and 3a constitute means for obtaining information.
[0208]
Next, the operation of the present embodiment 56 will be described. Contaminant concentration in the raw water measured at the water purification plant 3 is transmitted to the controller 4 via the signal line 3a. The controller 4 compares this measured value with a predetermined upper limit value. When the measured value exceeds the upper limit value, the controller 4 instructs the sewage treatment plant 2 to discharge the sewage treated water through the pipeline 2c. To do. Conversely, when the measured value falls below the upper limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant 3 via the pipeline 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0209]
By the above, since the discharge position of the sewage treated water can be selected according to the quality of the raw water of the water purification plant 3, there is an effect that the water intake amount of the water purification plant 3 can be increased without deteriorating the quality of the raw water.
[0210]
Embodiment 57. FIG.
In the above embodiment 56, the example of selecting the discharge position of the sewage treated water according to the quality of the raw water taken at the water purification plant is shown, but the sewage treatment according to the quality of the treated water at the water purification plant, that is, the quality of the clean water. The system may be configured to select a water discharge location. In this case, the system configuration is the same as in FIG.
[0211]
Next, the operation of Embodiment 57 will be described with reference to FIG. The treated water in the water purification plant 3, that is, the pollutant concentration in the clean water is transmitted to the controller 4 through the signal line 3a. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the sewage treatment plant 2 to discharge the sewage treated water via the pipeline 2c. Conversely, when the measured value falls below the upper limit value, an instruction is given to return the sewage water to the upstream of the water purification plant via the pipe line 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0212]
As described above, the water intake amount of the water purification plant can be increased without deteriorating the quality of the clean water.
[0213]
Embodiment 58. FIG.
In the above-described embodiment 56, the example of selecting the discharge position of the sewage treatment water according to the quality of the raw water taken at the water purification plant is shown. When the control set value of the water purification plant reaches the limit, for example, aggregation Even if the system is configured to change the discharge position of the sewage treated water when the additive amount reaches the upper limit, the same effect can be obtained. In this case, the system configuration is the same as in FIG.
[0214]
Next, the operation of the present 58th embodiment will be described with reference to FIG. The amount of flocculant charged in the water purification plant 3 is transmitted to the controller 4 via the signal line 3a. The controller 4 compares this value with a predetermined upper limit value, and when the former exceeds the latter, issues an instruction to change the discharge position of the sewage treatment plant 2 to the downstream of the water purification plant 3. This instruction is transmitted from the controller 4 to the sewage treatment plant 2 via the signal line 2a.
[0215]
Embodiment 59. FIG.
FIG. 41 is a block diagram showing a water management system according to Embodiment 59 of the present invention. In the present embodiment 59, the system is configured to select the discharge position of the sewage effluent according to the quality of the sewage treatment plant.
[0216]
In FIG. 41, 2b is a signal line for sending the treated water quality of the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
Next, the operation of the present embodiment 59 will be described. The pollutant concentration in the sewage treated water is transmitted to the controller 4 via the signal line 2b. The controller 4 compares this measured value with a predetermined upper limit value. When the measured value exceeds the upper limit value, the controller 4 instructs the sewage treatment plant 2 to discharge the sewage treated water through the pipeline 2c. To do. Conversely, when the measured value falls below the upper limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant 3 via the pipeline 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0217]
By the above, since the discharge position of the sewage treated water can be selected according to the treated water quality of the sewage treatment plant 2, there is an effect that the water intake amount of the water purification plant 3 can be increased without deteriorating the quality of the raw water.
[0218]
Embodiment 60. FIG.
In the above-described embodiment 59, an example in which the discharge position of the sewage treatment water is selected according to the quality of the sewage treatment plant is shown, but when the control set value of the sewage treatment plant reaches a limit, for example, the aeration amount is the upper limit. Even if the system is configured to change the discharge position of the sewage treated water when the pressure reaches the same value, the same effect can be obtained. In this case, the system configuration is the same as in FIG.
[0219]
Next, the operation of the present embodiment 60 will be described with reference to FIG. The aeration amount of the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2b. The controller 4 compares this value with a predetermined upper limit value, and gives an instruction to change the discharge position of the sewage treatment plant 2 to the downstream of the water purification plant 3 when the former exceeds the latter. This instruction is sent to the controller 4 via the signal line 2a.
[0220]
Embodiment 61. FIG.
FIG. 42 is a block diagram showing a water management system according to Embodiment 61 of the present invention. In the 61st embodiment, the system is configured to select the discharge position of the sewage treated water according to the water quality of the river measured at the information collecting facility.
[0221]
In FIG. 42, 5 is an information collection facility for measuring the water quality of the river 1, and is connected to the controller 4 through a signal line 5a. Other configurations are the same as those in FIG.
[0222]
Next, the operation of Embodiment 61 will be described. The pollutant concentration in the river 1 measured at the information collecting facility 5 is transmitted to the controller 4 via the signal line 5b. In the controller 4, this measured value is compared with a predetermined upper limit value, and when the measured value exceeds the upper limit value, the sewage treatment plant 2 is discharged so that the sewage treated water is discharged via the pipeline 2c. Instruct. Conversely, when the measured value falls below the upper limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant 3 via the pipeline 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0223]
By the above, since the discharge position of the sewage treatment water can be selected according to the water quality of the river 1 measured by the information collection facility 5, the effect that the water intake amount of the water purification plant 3 can be increased without deteriorating the quality of the raw water is obtained. Play.
[0224]
Embodiment 62. FIG.
FIG. 43 is a block diagram showing a water management system according to Embodiment 62 of the present invention. In the present embodiment 62, the system is configured so as to select the discharge position of the sewage treated water according to the quality of the raw water taken at the water purification plant and the quality of the treated water at the sewage treatment plant.
[0225]
In FIG. 43, 2b is a signal line for sending the treated water quality of the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
[0226]
Next, the operation of the present embodiment 62 will be described. The pollutant concentration C3in in the raw water taken at the water purification plant 3 is sent to the controller 4 via the signal line 3a. On the other hand, the pollutant concentration C2out in the sewage treated water is transmitted to the controller 4 via the signal line 2a. The controller 4 compares C2out and C3in. If the former exceeds the latter, the controller 4 instructs the sewage treatment plant 2 to discharge the sewage treated water via the pipe line 2c. Conversely, when C2out falls below C3in, an instruction is given to return the sewage treated water to the upstream of the water purification plant 3 via the pipeline 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0227]
As described above, the discharge position of the sewage treatment water can be selected according to the quality of the raw water taken at the water treatment plant 3 and the quality of the sewage treatment plant 2 so that the water intake amount of the water purification plant can be reduced without deteriorating the quality of the raw water. There is an effect that it can be increased.
[0228]
Embodiment 63. FIG.
FIG. 44 is a block diagram showing a water management system according to Embodiment 63 of the present invention. In the 63rd embodiment, the system is configured to select the discharge position of the sewage treated water according to the water quality of the river measured at the information collecting facility and the treated water quality of the sewage treatment plant.
[0229]
In FIG. 44, 2 b is a signal line for sending the treated water quality of the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
[0230]
Next, the operation of Embodiment 63 will be described. The pollutant concentration C1 in the river 1 measured by the information collection facility 5 is sent to the controller 4 via the signal line 3a. On the other hand, the pollutant concentration C2out in the sewage treated water is transmitted to the controller 4 via the signal line 2a. The controller 4 compares C2out and C1, and if the former exceeds the latter, the controller 4 instructs the sewage treatment plant 2 to discharge the sewage treatment water via the pipe line 2c. Conversely, when C2out falls below C1, an instruction is given to reduce the sewage water to the upstream of the water purification plant 3 via the pipe line 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0231]
As described above, the discharge position of the sewage treatment water can be selected according to the water quality of the river 1 and the sewage treatment plant 2 measured by the information collecting facility 5, and the water intake amount of the water purification plant 3 is not deteriorated without deteriorating the quality of the raw water. The effect that can be increased.
[0232]
Embodiment 64. FIG.
In the above embodiment 56, the example of selecting the discharge position of the sewage treatment water according to the quality of the raw water taken at the water purification plant is shown, but the sewage treatment is performed according to the flow rate of the river at the water intake point of the water treatment plant. The system can also be configured to select a water discharge location. In this case, the system configuration is the same as in FIG.
[0233]
Next, the operation of the present embodiment 64 will be described with reference to FIG. The flow rate of the river at the intake point measured at the water purification plant 3 is transmitted to the controller 4 via the signal line 3a. In the controller 4, this measured value is compared with a predetermined lower limit value, and when the measured value exceeds the lower limit value, the sewage treatment plant 2 is discharged so that the sewage treated water is discharged via the pipeline 2c. Instruct. Conversely, when the measured value falls below the lower limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant via the pipe line 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0234]
As described above, since the flow rate of the river that is the water source of the water purification plant 3 can be maintained, the water supply amount can be stably maintained.
[0235]
Embodiment 65. FIG.
In the above embodiment 61, an example of selecting the discharge position of the sewage treatment water according to the water quality of the river measured at the information collection facility has been shown. However, the sewage treatment water is also selected according to the flow rate of the river measured at the information collection facility. The system can also be configured to select the discharge location. In this case, the system configuration is the same as in FIG.
[0236]
Next, the operation of Embodiment 65 will be described with reference to FIG. The river flow rate measured at the information collection facility 5 is transmitted to the controller 4 via the signal line 5a. In the controller 4, this measured value is compared with a predetermined lower limit value, and when the measured value exceeds the lower limit value, the sewage treatment plant 2 is discharged so that the sewage treated water is discharged via the pipeline 2c. Instruct. Conversely, when the measured value falls below the lower limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant 3 via the pipeline 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0237]
By the above, since the flow volume of the river 1 which is the water source of the water purification plant 3 can be maintained, there exists an effect that the amount of clean water supply can be kept stable.
[0238]
Embodiment 66. FIG.
In the above embodiment 59, an example of selecting the discharge position of the sewage treatment water according to the treated water quality of the sewage treatment plant has been shown. However, the pollutant concentration at the intake point of the water treatment plant is estimated from the treated water quality of the sewage treatment plant. Then, the system may be configured to select the discharge position of the sewage treatment water according to this. In this case, the system configuration is the same as in FIG.
[0239]
Next, the operation of the present embodiment 66 will be described with reference to FIG. The pollutant concentration C2out in the sewage treated water is transmitted to the controller 4 via the signal line 2b. The controller 4 estimates the pollutant concentration C3in at the water intake point of the water purification plant, for example, according to the above formula (1.1). This pollutant concentration C3in is compared with a predetermined upper limit value, and if the measured value exceeds the upper limit value, the sewage treatment plant 2 is instructed to discharge the sewage treatment water via the pipeline 2c. . Conversely, when the measured value falls below the upper limit value, an instruction is given to return the treated sewage water to the upstream of the water purification plant 3 via the pipeline 2d. These instructions are transmitted to the sewage treatment plant 2 through the signal line 2a.
[0240]
As described above, the 66th embodiment has the same effects as the 59th embodiment.
[0241]
Embodiment 67. FIG.
If the system is configured to use the pollutant concentration in the river water measured by the information collecting facility 5 for estimating the pollutant concentration at the intake point of the water purification plant 3, the pollutant concentration can be estimated more precisely. In this case, the system configuration is the same as in FIG. 44, and the pollutant concentration in the river water measured by the information collection facility 5 may be sent to the controller 4 via the signal line 5a and used for calculation for estimation.
[0242]
Embodiment 68. FIG.
In the above embodiment 56, an example in which the discharge position of the sewage treatment water is changed to upstream or downstream of the water purification plant according to the quality of the raw water taken in the water purification plant is shown. Even if the system is configured so that it is discharged into the river, the same effect can be obtained. In this case, the system configuration is as shown in FIG. Reference numeral 2 d denotes a pipeline for discharging the treated water from the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation of the 68th embodiment is similar to that of the 56th embodiment.
[0243]
Embodiment 69. FIG.
In the above-described Embodiment 57, an example in which the discharge position of the sewage treatment water is changed to the upstream or downstream of the water treatment plant according to the treatment water quality of the water treatment plant is shown. However, when the treatment water quality is poor, it is discharged to another river. Even if the system is configured, the same effect can be obtained. In this case, the system configuration is the same as that shown in FIG. The operation of the 69th embodiment is the same as that of the 68th embodiment.
[0244]
Embodiment 70. FIG.
In the above-mentioned Embodiment 58, the example in which the discharge position of the sewage treatment water is changed to the upstream or downstream of the water purification plant according to the control setting value of the water purification plant has been shown, but when the control setting value reaches the limit, Even if the system is configured so that it is discharged into the river, the same effect can be obtained. In this case, the system configuration is the same as that shown in FIG. The operation of the present 70th embodiment is the same as that of the 58th embodiment.
[0245]
Embodiment 71. FIG.
In the above embodiment 59, the example in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the treatment water quality of the sewage treatment plant is shown. Even if the system is configured to discharge, the same effect can be obtained. In this case, the system configuration is as shown in FIG. Reference numeral 2 d denotes a pipeline for discharging the treated water from the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation is the same as that in the above-described embodiment 59.
[0246]
Embodiment 72. FIG.
In the above embodiment 61, the example in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water purification plant according to the water quality of the river measured at the information collecting facility is shown. Even if the system is configured so that it is discharged into the river, the same effect can be obtained. In this case, the system configuration is as shown in FIG. Reference numeral 2 d denotes a pipeline for discharging the treated water from the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. Further, the operation of the present embodiment 72 is the same as that of the above embodiment 61.
[0247]
Embodiment 73. FIG.
In the above embodiment 62, an example in which the discharge position of the sewage treatment water is changed to the upstream or downstream of the water treatment plant according to the quality of the raw water taken in the water treatment plant and the quality of the treatment water of the sewage treatment plant is shown. If the quality of the treated water is worse than the quality of the raw water, the same effect can be achieved even if the system is configured so that it is discharged into other rivers. In this case, the system configuration is as shown in FIG. Reference numeral 2 d denotes a pipeline for discharging the treated water from the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation of the embodiment 73 is the same as that of the embodiment 62.
[0248]
Embodiment 74. FIG.
In the above embodiment 63, an example in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water treatment plant according to the water quality of the river measured at the information collection facility and the treatment water quality of the sewage treatment plant is shown. If the water quality is worse than that of the river, the same effect can be achieved even if the system is configured to discharge to other rivers. In this case, the system configuration is as shown in FIG. Reference numeral 2 d denotes a pipeline for discharging the treated water from the sewage treatment plant 2 to the river 10. Other configurations are the same as those in FIG. The operation of the embodiment 74 is the same as that of the embodiment 63.
[0249]
Embodiment 75. FIG.
In the above embodiment 64, the example in which the discharge position of the sewage treatment water is changed to the upstream or downstream of the water purification plant according to the river flow rate at the water intake point of the water purification plant is shown, but the flow rate at the water intake point is sufficient Even if the system is configured to be discharged into other rivers, the same effect can be obtained. In this case, the system configuration is the same as that shown in FIG. The operation of the 75th embodiment is the same as that of the 64th embodiment.
[0250]
Embodiment 76. FIG.
In the above embodiment 65, an example in which the discharge position of the sewage treatment water is changed to the upstream or the downstream of the water purification plant according to the river flow rate measured at the information collection facility is shown. Even if the system is configured so that it is discharged into the river, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the embodiment 76 is the same as that of the embodiment 65.
[0251]
Embodiment 77. FIG.
In the above embodiment 66, an example of estimating the pollutant concentration at the intake point of the water treatment plant from the treated water quality of the sewage treatment plant and changing the discharge position of the sewage treatment water upstream or downstream of the water treatment plant in accordance with this. However, when the estimated pollutant concentration is high, the same effect can be obtained even if the system is configured to be discharged to other rivers. In this case, the system configuration is the same as in FIG. The operation of the embodiment 77 is the same as that of the embodiment 66.
[0252]
Embodiment 78. FIG.
In Embodiment 67, the concentration of pollutants at the intake point of the water treatment plant is estimated from the quality of the treated water at the sewage treatment plant and the quality of the river measured at the information collection facility, and the discharge position of the sewage treatment water is determined accordingly. Although an example of changing to the upstream or downstream of the water purification plant has been shown, even if the system is configured to discharge to other rivers when the estimated pollutant concentration is high, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Further, the operation of the embodiment 78 is the same as that of the embodiment 67.
[0253]
Embodiment 79.
50 is a block diagram showing a water management system according to Embodiment 79 of the present invention. In the present embodiment 79, the system is configured to adjust the amount of sewage treatment water returned to the upstream of the water purification plant according to the difference between the flow rate of the river at the intake point of the water purification plant and the predetermined target flow rate. Is.
[0254]
In FIG. 50, 1 is a river. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1. Reference numeral 2 c denotes a pipeline for discharging the sewage treated water to the river 1. 6 is a pump for transporting a part of the treated water upstream. 2d is a pipe line for returning the sewage treated water to the upstream of the water purification plant, and is connected to the pump 6. Reference numeral 3 denotes a water purification plant that takes water from the river 1. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3. 4 is a controller for adjusting the amount of sewage treated water reduced, and is connected to the pump 6 via a signal line 6a and to the water purification plant 3 via a signal line 3a. The controller 4 constitutes means for instructing the discharge flow rate of the second water treatment facility, and the signal lines 3a and 6a constitute means for obtaining information.
[0255]
Next, the operation of the 79th embodiment will be described. The water intake point flow rate Q3in measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. The controller 4 adjusts the amount Q2back to be returned from the sewage treatment plant 2 to the upstream of the water purification plant 3 according to the deviation between the flow rate Q3in and the predetermined target value Q3in0. The calculation follows, for example, the following formula (79.1).
[0256]
Q2back = k79 × (Q3in0−Q3in) (79.1)
here
k79: Coefficient
The output Q2back of the controller 4 is transmitted to the pump 6 via the signal line 6a.
[0257]
By the above, since the upstream reduction amount of the sewage treated water can be adjusted so as to maintain the flow rate of the river 1 at the intake point of the water purification plant 3, there is an effect that the amount of water supply can be kept stable.
[0258]
Embodiment 80. FIG.
In Embodiment 79 above, an example has been shown in which the amount of sewage treatment water returned to the upstream of the water purification plant is adjusted according to the difference between the flow rate of the river at the intake point of the water purification plant and a predetermined target flow rate. The system can also be configured to stop the upstream reduction of sewage treated water when the quality of the raw water at the site is deteriorating. In this case, the system configuration is the same as in FIG.
[0259]
Next, the operation of the present embodiment 80 will be described with reference to FIG. The concentration of pollutants in the raw water taken at the water purification plant 3 is sent to the controller 4 via the signal line 3a. The controller 4 compares this measured value with a predetermined upper limit value, and instructs the pump 6 to stop the upstream reduction of the sewage treated water when the measured value exceeds the upper limit value. This instruction signal is transmitted to the pump 6 through the signal line 6a. Others are the same as those in the above-described embodiment 79.
[0260]
As described above, in addition to the effect of the above-described embodiment 79, there is an effect that it is possible to prevent deterioration of the quality of raw water taken.
[0261]
Embodiment 81. FIG.
FIG. 51 is a configuration diagram showing a water management system according to Embodiment 81. In FIG. The present embodiment 81 adjusts the amount to be returned from the sewage treatment plant to the upstream of the water treatment plant according to the difference between the flow rate of the river at the intake point of the water treatment plant and the predetermined target flow rate. When the water quality is poor, the system is configured to stop the return to the upstream.
[0262]
In FIG. 51, 2b is a signal line for sending the treated water quality measured at the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
[0263]
Next, the operation of the present embodiment 81 will be described. The pollutant concentration in the sewage treated water is sent to the controller 4 via the signal line 2b. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the pump 6 to stop the upstream reduction of sewage treated water. This instruction signal is transmitted to the pump 6 through the signal line 6a. Others are the same as those in the above-described embodiment 79.
[0264]
As described above, in addition to the effect of the above-described embodiment 79, there is an effect that it is possible to prevent deterioration of the quality of raw water taken.
[0265]
Embodiment 82. FIG.
In the above-described embodiment 80, when the quality of the raw water of the water purification plant is deteriorated, an example of stopping the upstream reduction of the sewage treatment water has been shown, but when the operating condition of the water purification plant reaches the limit, for example, Even when the system is configured to stop the upstream reduction of the sewage treated water when the amount of the flocculant added reaches the upper limit, the same effect can be obtained. The system configuration in this case is the same as that shown in FIG.
[0266]
Embodiment 83. FIG.
In the above-described embodiment 81, when the treated water quality of the sewage treatment plant deteriorates, an example of stopping the upstream reduction of the sewage treatment water has been shown, but when the operation set value of the sewage treatment plant reaches a limit, for example, Even if the system is configured to stop the upstream reduction of the sewage treated water when the aeration amount reaches the upper limit value, the same effect can be obtained. The system configuration in this case is the same as that shown in FIG.
[0267]
Embodiment 84. FIG.
FIG. 52 is a block diagram showing a water management system according to Embodiment 84 of the present invention. In the 84th embodiment, the system is configured to adjust the amount of sewage treated water returned to the upstream of the water treatment plant according to the difference between the river flow rate measured at the information collection facility and the predetermined target flow rate. Is.
[0268]
In FIG. 52, 1 is a river. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1. Reference numeral 2 c denotes a pipeline for discharging the sewage treated water to the river 1. 6 is a pump for transporting a part of the treated water upstream. Reference numeral 2 d denotes a pipe for returning the sewage treated water to the upstream of the water purification plant, and is connected to the pump 6. Reference numeral 3 denotes a water purification plant that takes water from the river 1. 3c is a pipe line for introducing the water of the river 1 into the water purification plant 3.
[0269]
Reference numeral 5 denotes an information collection facility for measuring the flow rate of the river 1 which is the water source of the water purification plant 3. Reference numeral 4 denotes a controller for adjusting the amount of sewage treated water reduced, and is connected to the pump 6 via a signal line 6a and to the information collecting facility 5 via a signal line 5a.
[0270]
Next, the operation of the 84th embodiment will be described. The flow rate Q1 of the river 1 measured at the information collection facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 adjusts the amount of water Q2back to be returned from the sewage treatment plant 2 to the upstream of the water purification plant 3 in accordance with the deviation between the flow rate Q1 and the predetermined target value Q1 *. The calculation follows, for example, the following formula (84.1).
[0271]
Q2back = k84 × (Q1 * −Q1) (84.1)
here
k84: Coefficient
The output Q2back of the controller 4 is transmitted to the pump 6 via the signal line 6a.
[0272]
As described above, since the upstream reduction amount of the sewage treated water can be adjusted so as to maintain the flow rate of the river 1 as the water source, there is an effect that the water supply amount can be kept stable.
[0273]
Embodiment 85. FIG.
FIG. 53 is a configuration diagram showing a water management system according to Embodiment 85 of the present invention. In the present embodiment 85, the amount of the sewage treated water returned to the upstream of the water purification plant is adjusted according to the difference between the river flow rate measured at the information collecting facility and the predetermined target flow rate, and at the same time, the water quality of the river and the sewage The system is configured to adjust the operating conditions of the sewage treatment plant in accordance with the quality of the sewage treatment plant.
[0274]
In FIG. 53, the sewage treatment plant 2 is connected to the controller 4 via signal lines 2a and 2b. Other configurations are the same as those in FIG.
[0275]
Next, the operation of the 85th embodiment will be described. The pollutant concentration C1 in the river water measured at the information collecting facility 5 is sent to the controller 4 via the signal line 3a. Further, the pollutant concentration C3out in the treated water of the sewage treatment plant 3 is sent to the controller 4 through the signal line 2b. The controller 4 adjusts the operating conditions of the sewage treatment plant 3, for example, the aeration amount Qair. The calculation follows, for example, the following formula (85.1).
[0276]
Qair = k85 × (C3out−C1) (85.1)
here
k85: coefficient
The output Qair of the controller 4 is transmitted to the sewage treatment plant 2 through the signal line 2a.
[0277]
As described above, in addition to the effect of the above embodiment 84, there is an effect that the treated water quality of the sewage treatment plant 2 which is reduced upstream of the water purification plant 3 can be maintained well.
[0278]
Embodiment 86. FIG.
In the above embodiment 84, an example was shown in which the amount of sewage treated water returned to the upstream of the water purification plant is adjusted according to the difference between the river flow rate measured at the information collection facility and the predetermined target flow rate. When the water quality of the sewage is deteriorated, the system can be configured to stop the upstream reduction of the sewage treated water. In this case, the system configuration is the same as in FIG.
[0279]
Next, the operation of the embodiment 86 will be described with reference to FIG. The pollutant concentration in the river water measured by the information collection facility 5 is sent to the controller 4 via the signal line 3a. The controller 4 compares this measured value with a predetermined upper limit value, and instructs the pump 6 to stop the upstream reduction of the sewage treated water when the measured value exceeds the upper limit value. This instruction signal is transmitted to the pump 6 through the signal line 6a. Others are the same as those in the above-described embodiment 84.
[0280]
As described above, in addition to the effect of the above embodiment 84, there is an effect that it is possible to prevent the quality of the raw water to be taken from deteriorating.
[0281]
Embodiment 87. FIG.
FIG. 54 is a block diagram showing a water management system according to Embodiment 87 of the present invention. In the present embodiment 87, the amount to be returned from the sewage treatment plant to the upstream of the water purification plant is adjusted according to the difference between the river flow rate measured at the information collection facility and the predetermined target flow rate. When the water quality is poor, the system is configured to stop the upstream reduction.
[0282]
In FIG. 54, 2 b is a signal line for sending the treated water quality measured at the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
[0283]
Next, the operation of the 87th embodiment will be described. The pollutant concentration in the sewage treated water is sent to the controller 4 via the signal line 2b. The controller 4 compares this measured value with a predetermined upper limit value, and when the measured value exceeds the upper limit value, instructs the pump 6 to stop the upstream reduction of the sewage treated water. This instruction signal is transmitted to the pump 6 through the signal line 6a. Others are the same as those in the above-described embodiment 84.
As described above, in addition to the effect of the above embodiment 84, there is an effect that it is possible to prevent the quality of the raw water to be taken from deteriorating.
[0284]
Embodiment 88. FIG.
In the above-described embodiment 86, when the water quality of the river is deteriorated, an example is shown in which the upstream reduction of the sewage treatment water is stopped. Even if the system is configured to stop the upstream reduction of the sewage treatment water when the upper limit is reached, the same effect can be obtained. The system configuration in this case is the same as that shown in FIG.
[0285]
Embodiment 89. FIG.
In the above-described embodiment 87, when the treated water quality of the sewage treatment plant deteriorates, an example is shown in which the upstream reduction of the sewage treatment plant is stopped, but when the operation set value of the sewage treatment plant reaches the limit, for example, Even if the system is configured to stop the upstream reduction of the sewage treated water when the aeration amount reaches the upper limit value, the same effect can be obtained. The system configuration in this case is the same as that shown in FIG.
[0286]
Embodiment 90. FIG.
In Embodiment 79 above, an example has been shown in which the amount of sewage treated water returned to the upstream of the water purification plant is adjusted according to the difference between the flow rate of the river at the intake point of the water purification plant and the predetermined target flow rate. The system can also be configured to adjust the amount of sewage treated water reduced according to the quality of raw water taken by the water purification plant. In this case, the system configuration is the same as in FIG.
[0287]
Next, the operation of the present embodiment 90 will be described with reference to FIG. The pollutant concentration C3in in the raw water taken by the water purification plant 3 is transmitted to the controller 4 via the signal line 3a *. The controller 4 adjusts the amount Q2back of reducing the sewage treated water upstream of the water purification plant 3 according to the deviation between the pollutant concentration C3in and the target water quality C3in *. This calculation follows, for example, the following equation (90.1).
[0288]
Q2back = k90 (C3in−C3in *) (90.1)
here
k90: coefficient
The output Q2back of the controller 4 is sent to the pump 6 via the signal line 6a.
[0289]
By the above, since the upstream reduction amount of the sewage treated water can be adjusted according to the quality of the raw water taken by the water purification plant 3, the effect that the water intake of the water purification plant 3 can be increased without deteriorating the quality of the raw water. Play.
[0290]
Embodiment 91. FIG.
FIG. 55 is a block diagram showing a water management system according to Embodiment 91 of the present invention. In the present embodiment 91, the system is configured to adjust the upstream reduction amount of sewage treated water according to the quality of treated water at the sewage treatment plant.
[0291]
In FIG. 55, 2 b is a signal line for sending the treated water quality measured at the sewage treatment plant 2 to the controller 4. Other configurations are the same as those in FIG.
[0292]
Next, the operation of the present embodiment 91 will be described. The pollutant concentration C2out in the sewage treated water is sent to the controller 4 via the signal line 2b. The controller 4 adjusts the amount Q2back of reducing the sewage water to the upstream of the water purification plant 3 according to the pollutant concentration C2out. This calculation follows, for example, the following equation (91.1).
[0293]
Q2back = k91 / C2out (91.1)
here
k91: Coefficient
The output Q2back of the controller 4 is sent to the pump 6 via the signal line 6a.
[0294]
By the above, since the upstream reduction amount of sewage treated water can be adjusted according to the quality of the treated water of the sewage treatment plant 2, there is an effect that the intake amount of the water purification plant 3 can be increased without deteriorating the quality of raw water.
[0295]
Embodiment 92. FIG.
In the present embodiment 92, the system is configured to adjust the upstream reduction amount of the sewage treated water according to the water quality of the river measured at the information collection facility. The system configuration in this case is the same as that shown in FIG.
[0296]
Next, the operation of the present embodiment 92 will be described with reference to FIG. The pollutant concentration C1 in the river water measured at the information collecting facility 5 is sent to the controller 4 via the signal line 5a. The controller 4 adjusts the amount Q2back of reducing the sewage treated water to the upstream of the water purification plant 3 according to the deviation between the pollutant concentration C1 and the target water quality C1 *. This calculation follows, for example, the following equation (92.1).
[0297]
Q2back = k92 (C1-C1 *) (92.1)
here
k92: Coefficient
The output Q2back of the controller 4 is sent to the pump 6 via the signal line 6a.
[0298]
By the above, since the upstream reduction amount of sewage treated water can be adjusted according to the water quality of the river 1 which is a water source, there exists an effect that the water intake amount of the water purification plant 3 can be increased without deteriorating the quality of raw water.
[0299]
Embodiment 93.
FIG. 56 is a block diagram showing a water management system according to Embodiment 93 of the present invention. In the present embodiment 93, the system is configured to adjust the discharge flow rate of sewage treated water according to the river flow rate at the intake point of the water purification plant.
[0300]
In FIG. 56, 1 and 10 are different rivers. Reference numeral 2 denotes a sewage treatment plant that discharges treated water to the river 1 and the river 10. 2c is a conduit for discharging the sewage treated water to the river 1, and 2d is a conduit for discharging to the river 10. 6 is a pump for adjusting the amount discharged to 2c and the amount discharged to 2d.
[0301]
3 is a water purification plant that takes water from the river 1, and 30 is a water purification plant that takes water from the river 10. 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 10 into the water purification plant 30. Reference numeral 4 denotes a controller for adjusting the discharge flow into the river 1 and the river 2, and the water purification plant 3 through the signal line 3a, the water purification plant 30 through the signal line 30a, and the pump 6 through the signal line 6a. Are connected to each other.
[0302]
Next, the operation of Embodiment 93 will be described. The water intake point flow rate Q3in measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. Similarly, the flow rate Q30in at the water intake point measured at the water purification plant 30 is sent to the controller 4 via the signal line 30a. The controller 4 compares the flow rate Q3in with a predetermined target flow rate Q3in *, and if the former is less than the latter, sets the amount Q2-1 discharged from the sewage treatment plant 2 to the river 1 as follows.
[0303]
Q2-1 = k931 × (Q3in * -Q3in) (93.1)
here
k931: coefficient
On the other hand, the controller 4 also compares Q30in with a predetermined target flow rate Q30in *. If the former is less than the latter, the amount of water Q2-10 discharged from the sewage treatment plant 2 to the river 10 is set as follows: To do.
[0304]
Q2-10 = k932 × (Q30in * -Q30in) (93.2)
here
k932: Coefficient
If both Q3in and Q30in are less than the target flow rate, the discharge flow is distributed according to the difference between both target flow rates. The outputs of these controllers 4 are transmitted to the pump 6 through a signal line 6a.
[0305]
As described above, since the discharge rate of the sewage treatment water can be adjusted according to the river flow rate at the intake point of the water purification plant 3, there is an effect that the supply amount of the clean water can be stably maintained.
[0306]
Embodiment 94. FIG.
In the present embodiment 94, the system is configured to adjust the discharge amount of the sewage treated water according to the water quality of the river at the intake point of the water purification plant. In this case, the system configuration is the same as in FIG.
[0307]
Next, the operation of the present embodiment 94 will be described with reference to FIG. The water intake point flow rate Q3in measured at the water purification plant 3 is sent to the controller 4 via the signal line 3a. Similarly, the flow rate Q30in at the water intake point measured at the water purification plant 30 is sent to the controller 4 via the signal line 30a. The controller 4 compares the flow rate Q3in with a predetermined target flow rate Q3in *. If the former is less than the latter, the amount Q2-1 discharged from the sewage treatment plant 2 to the river 1 is calculated according to the following equation (94.1). Set.
[0308]
Q2-1 = k941 × (C3in * -C3in) (94.1)
here
k941: coefficient
C3in *: Target value of pollutant concentration in raw water taken at WTP 3
C3in: Measured value of pollutant concentration in raw water taken at WTP 3
C3in is sent from the water purification plant 3 to the controller 4 via the signal line 3a.
[0309]
On the other hand, the controller 4 also compares Q30in with a predetermined target flow rate Q30in *. If the former is less than the latter, the amount Q2-10 discharged from the sewage treatment plant 2 to the river 10 is expressed by the following equation (94.2). )
[0310]
Q2-10 = k942 × (C30in * -C30in) (94.2)
here
k942: Coefficient
C30in *: Target value of pollutant concentration in raw water taken from water treatment plant 30
C30in: Measured value of pollutant concentration in raw water taken at water treatment plant 30
C30in is sent from the water purification plant 30 to the controller 4 via the signal line 30a.
[0311]
When the measured values Q3in and Q30in of the pollutant concentration in the raw water taken at the water purification plants 3 and 30 are less than the target flow rate, the discharge flow rate is distributed according to the difference between the target flow rates. The outputs of these controllers 4 are transmitted to the pump 6 through a signal line 6a.
As described above, when the river flow rate at the intake point of the water purification plant 3 is insufficient, the treated water from the sewage treatment plant 2 can be discharged while adjusting the flow rate according to the water quality of the river 1, so that the amount of water supply can be stabilized. It is possible to maintain the water quality of the river 1 as a water source at the same time.
[0312]
Embodiment 95.
FIG. 57 is a block diagram showing a water management system according to Embodiment 95 of the present invention. In the present embodiment 95, the system is configured to adjust the discharge flow rate of sewage treated water according to the river flow rate measured at the information collection facility.
[0313]
In FIG. 57, 5 is an information collection facility for measuring the flow rate of the river 1, and is connected to the controller 4 via a signal line 5a. Similarly, 50 is an information collection facility for measuring the flow rate of the river 10, and is connected to the controller 4 via a signal line 50a. Other configurations are the same as those in FIG.
[0314]
Next, the operation of the 95th embodiment will be described. The flow rate Q1 of the river 1 measured at the information collection facility 5 is sent to the controller 4 via the signal line 5a. Similarly, the flow rate Q10 of the river 10 measured at the information collection facility 50 is sent to the controller 4 via the signal line 50a. The controller 4 compares Q1 with a predetermined target flow rate Q1 *, and when the former is less than the latter, sets the amount Q2-1 discharged from the sewage treatment plant 2 to the river 1 as follows.
[0315]
Q2-1 = k951 × (Q1 * -Q1) (95.1)
here
k951: coefficient
On the other hand, the controller 4 also compares Q10 with a predetermined target flow rate Q10 *. If the former is less than the latter, the amount Q2-10 discharged from the sewage treatment plant 2 to the river 10 is set as follows. .
[0316]
Q2-10 = k952 × (Q10 * -Q10) (95.2)
here
k952: Coefficient
If both Q1 and Q10 are less than the target flow rate, the discharge flow is distributed according to the difference between both target flow rates. The outputs of these controllers 4 are transmitted to the pump 6 through a signal line 6a.
[0317]
As described above, since the discharge amount of the sewage treatment water can be adjusted according to the flow rate of the river measured at the information collection facility, the water supply amount can be stably maintained.
[0318]
Embodiment 96.
In the present embodiment 96, the system is configured to adjust the discharge amount of the sewage treated water according to the water quality of the river measured at the information collecting facility. In this case, the system configuration is the same as in FIG.
[0319]
Next, the operation of Embodiment 96 will be described with reference to FIG. The flow rate Q1 of the river 1 measured at the information collection facility 5 is sent to the controller 4 via the signal line 5a. Similarly, the flow rate Q10 of the river 10 measured at the information collection facility 50 is sent to the controller 4 via the signal line 50a. The controller 4 compares Q1 with a predetermined target flow rate Q1 *, and when the former is less than the latter, sets the amount Q2-1 discharged from the sewage treatment plant 2 to the river 1 as follows.
[0320]
Q2-1 = k961 x (C1 * -C1) (96.1)
here
k961: coefficient
C1 *: Target value of pollutant concentration in river 1
C1: Contaminant concentration in river 1
C1 is transmitted from the information collection facility 5 to the controller 4 via the signal line 5a.
[0321]
On the other hand, the controller 4 also compares the flow rate Q10 with a predetermined target flow rate Q10 *. If the former is less than the latter, the amount of water Q2-10 discharged from the sewage treatment plant 2 to the river 10 is set as follows: To do.
[0322]
Q2-10 = k962 × (C10 * -C10) (96.2)
here
k962: Coefficient
C10 *: Target value of pollutant concentration in river 10
C10: Contaminant concentration in river 10
C10 is transmitted from the information collection facility 50 to the controller 4 via the signal line 50a.
[0323]
When the flow rates Q1 and Q10 are less than the target flow rates Q1 * and Q10 *, the discharge flow is distributed according to the difference between the target flow rates. The outputs of these controllers 4 are transmitted to the pump 6 through a signal line 6a.
[0324]
As described above, when the flow rate of the river 1 is insufficient, the discharge rate of the sewage treatment water can be adjusted according to the water quality of the river 1, so that the water supply amount can be maintained stably and at the same time the water quality can be maintained stably. There is an effect that can be done.
[0325]
Embodiment 97. FIG.
FIG. 58 is a block diagram showing a water management system according to Embodiment 97 of the present invention. In the present embodiment 97, when the amount of sewage flowing into a sewage treatment plant increases, the system is configured so that a part of the sewage flowing into another sewage treatment plant can be accommodated.
[0326]
In FIG. 58, 1 is a river. Reference numerals 2 and 20 denote sewage treatment plants that discharge treated water to the river 1. 2c is a conduit for discharging treated water from the sewage treatment plant 2 to the river 1, and 20c is a conduit for discharging treated water from the sewage treatment plant 20 to the river 1. 2e is a conduit for introducing sewage into the sewage treatment plant 2, and 20e is a conduit for introducing sewage into the sewage treatment plant 20. Reference numeral 200c denotes a conduit for accommodating sewage flowing in via the conduit 2c or the conduit 20c, and is connected to the conduit 2c and the conduit 20c. Reference numeral 6 denotes a pump attached to the pipe line 200c. Reference numeral 4 denotes a controller for adjusting the amount of sewage, which is connected to the pump 6 through the signal line 6a, the sewage treatment plant 2 through the signal line 2a, and the sewage treatment plant 200 through the signal line 20a. Has been. The controller 4 constitutes means for instructing the water accommodation amount between the plurality of second water treatment facilities, and the signal lines 2a, 6a, 20a constitute means for obtaining information.
[0327]
Next, the operation of the 97th embodiment will be described. The sewage amount Q2in flowing into the sewage treatment plant 2 is sent to the controller 4 via the signal line 2a, and the sewage amount Q20in flowing into the sewage treatment plant 20 is sent to the controller 4 via the signal line 20a.
[0328]
When the sewage amount Q2in is larger than the predetermined upper limit value Q2in * and the sewage amount Q20in is smaller than the predetermined upper limit value Q20in *, the controller 4 has a sewage interchange amount Q2− from the sewage treatment plant 2 to the sewage treatment plant 20. For example, 20 is calculated according to the following equation (97.1).
[0329]
Q2-20 = Q2in−Q20in (97.1)
On the contrary, when the sewage amount Q20in is larger than the predetermined upper limit value Q20in * and the sewage amount Q2in is smaller than the predetermined upper limit value Q2in *, the controller 4 can exchange sewage from the sewage treatment plant 20 to the sewage treatment plant 2. The quantity Q20-2 is calculated according to, for example, the following equation (97.2).
[0330]
Q20-2 = Q20in−Q2in (97.2)
These values are transmitted from the controller 4 to the pump 6 via the signal line 6a.
As described above, when the amount of sewage flowing into the sewage treatment plants 2 and 20 increases, a part of the sewage treatment plants 2 and 20 can be accommodated to other sewage treatment plants 2 and 20, so that the treated water quality of the sewage treatment plants 2 and 20 can be maintained well. .
[0331]
Embodiment 98. FIG.
FIG. 59 is a block diagram showing a water management system according to the 98th embodiment of the present invention. In the above-described embodiment 97, when the amount of sewage flowing into the sewage treatment plant has increased, an example in which a part of the sewage flowing into another sewage treatment plant is accommodated is shown. The system is configured to accommodate water, and in this case, the same effect is achieved.
[0332]
In FIG. 59, reference numeral 200 c denotes a conduit for accommodating water being treated at the sewage treatment plant 2 or the sewage treatment plant 20, and is connected to the sewage treatment plant 2 and the sewage treatment plant 20. Reference numeral 6 denotes a pump attached to the pipe line 200c. Other configurations are the same as those in FIG. The operation of the 98th embodiment is the same as that of the 97th embodiment.
[0333]
Embodiment 99. FIG.
In the above embodiment 97, when the amount of sewage flowing into the sewage treatment plant is increased, a part of the sewage flowing into the other sewage treatment plant is shown as an example. The system can also be configured to accommodate In this case, the system configuration is the same as in FIG.
[0334]
Next, the operation of the 99th embodiment will be described with reference to FIG. The amount of sewage Q2in flowing into the sewage treatment plant 2 and the pollutant concentration C2in in the sewage are sent via the signal line 2a. Via the controller 4.
[0335]
When the inflow load Q2inC2in to the sewage treatment plant 2 is higher than the predetermined upper limit value L2in * and the inflow load Q20inC20in to the sewage treatment plant 20 is lower than the predetermined upper limit value L20in *, the controller 4 The amount of sewage accommodation Q2-20 from the sewage treatment plant 20 to the sewage treatment plant 20 is calculated according to the following equation (99.1), for example.
[0336]
Q2-20 = (Q2inC2in−L2in0) / C2in (99.1)
Conversely, when the inflow load Q20inC20in to the sewage treatment plant 20 is higher than the predetermined upper limit value L20in * and the inflow load Q2inC2in to the sewage treatment plant 2 is lower than the predetermined upper limit value L2in *, the controller 4 A sewage accommodation amount Q20-2 from the treatment plant 20 to the sewage treatment plant 2 is calculated, for example, according to the following equation (99.2).
[0337]
Q20-2 = (Q20inC20in−L20in0) / C20in (99.2)
These values are transmitted from the controller 4 to the pump 6 via the signal line 6a.
As described above, when the amount of load flowing into one of the sewage treatment plants 2 and 20 increases, a part of the load can be accommodated in the other sewage treatment plant, so that the treated water quality of the sewage treatment plant can be favorably maintained. .
[0338]
Embodiment 100. FIG.
In the above-mentioned Embodiment 99, when the inflow load to the sewage treatment plant is increased, a part of the inflow sewage is accommodated in the other sewage treatment plant. However, the system is adapted to accommodate the water in the treatment process. Even if configured, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Further, the operation of the present embodiment 100 is the same as that of the above embodiment 99.
[0339]
Embodiment 101. FIG.
In the embodiment 97, when the amount of sewage flowing into the sewage treatment plant is increased, an example is shown in which a part of the sewage flowing into the other sewage treatment plant is accommodated. In addition, the system can be configured to accommodate a part of the incoming sewage. In this case, the system configuration is the same as in FIG.
[0340]
Next, the operation of the present embodiment 101 will be described with reference to FIG. The pollutant concentration C2out in the treated water of the sewage treatment plant 2 is transmitted to the controller 4 through the signal line 2a, and the pollutant concentration C20out in the treated water of the sewage treatment plant 20 is transmitted to the controller 4 through the signal line 20a.
[0341]
When the pollutant concentration C2out is higher than the predetermined upper limit value C2out * and the pollutant concentration C20out is lower than the predetermined upper limit value C20out *, the controller 4 allows the sewage capacity from the sewage treatment plant 2 to the sewage treatment plant 20. Q2-20 is calculated according to the following equation (101.1), for example.
[0342]
Q2-20 = k1011 (C2out-C2out *) (101.1)
here
k1011: Coefficient
Conversely, when the pollutant concentration C20out is higher than the predetermined upper limit value C20out * and the pollutant concentration C2out is lower than the predetermined upper limit value C2out *, the controller 4 transfers from the sewage treatment plant 20 to the sewage treatment plant 2. The sewage accommodation amount Q20-2 is calculated according to the following equation (101.2), for example.
[0343]
Q20-2 = k1012 (C20out−C20out *) (101.2)
here
k1012: Coefficient
These values are transmitted from the controller 4 to the pump 6 via the signal line 6a.
As described above, when the quality of the sewage treatment water is deteriorated, a part of the inflow sewage can be accommodated in another sewage treatment plant, so that the quality of the sewage treatment water can be favorably maintained.
[0344]
Embodiment 102. FIG.
In the above-described embodiment 101, when the quality of sewage treated water deteriorates, an example in which a part of the inflow sewage is accommodated in another sewage treatment plant has been shown. However, the system is configured to accommodate the water in the treatment process. However, it has the same effect. In this case, the system configuration is the same as in FIG. The operation of the present embodiment 102 is the same as that of the above-described embodiment 101.
[0345]
Embodiment 103. FIG.
In the above-described embodiment 97, when the amount of sewage flowing into the sewage treatment plant is increased, a part of the inflow sewage is interchanged with other sewage treatment plants. However, the control setting value of the sewage treatment plant is limited. For example, when the amount of aeration reaches the upper limit, the system can be configured to accommodate a part of the inflowing sewage. In this case, the system configuration is the same as in FIG.
[0346]
Next, the operation of the present embodiment 103 will be described with reference to FIG. The aeration amount Q2air of the sewage treatment plant 2 is transmitted to the controller 4 via the signal line 2a, and the aeration amount Q20air of the sewage treatment plant 20 is transmitted to the controller 4 via the signal line 20a.
[0347]
When the aeration amount Q2air is higher than the predetermined upper limit value Q2air * and the aeration amount Q20air is lower than the predetermined upper limit value Q20air *, the controller 4 starts to pass sewage from the sewage treatment plant 2 to the sewage treatment plant 20. A signal is sent to the pump 6 so that On the contrary, when the aeration amount Q20air is higher than the predetermined upper limit value Q20air * and the aeration amount Q2air is lower than the predetermined upper limit value Q2air *, the controller 4 makes the sewage from the sewage treatment plant 20 to the sewage treatment plant 2 A signal is sent to the pump 6 to start accommodation. These signals are sent from the controller 4 to the pump 6 via the signal line 6a.
[0348]
As described above, when one control set value of the sewage treatment plants 2 and 20 reaches the limit, a part of the inflow sewage can be accommodated in the other sewage treatment plant, so that the quality of the sewage treatment water can be maintained well. There is an effect.
[0349]
Embodiment 104. FIG.
In the above-mentioned embodiment 103, when the control set value of one sewage treatment plant reaches the limit, an example of accommodating a part of the inflow sewage to another sewage treatment plant is shown. However, water in the treatment process is accommodated. Even if the system is configured in this way, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the present embodiment 104 is the same as that of the above embodiment 103.
[0350]
Embodiment 105. FIG.
FIG. 60 is a block diagram showing a water management system according to Embodiment 105 of the present invention. In the present embodiment 105, when the quality of the raw water of the water purification plant located downstream of the sewage treatment plant is deteriorated, the system is configured so that a part of the sewage flowing into the other sewage treatment plant is accommodated.
[0351]
In FIG. 60, 3 is a water purification plant located downstream of the sewage treatment plant 2, and 30 is a water purification plant located downstream of the sewage treatment plant 20. 3c is a pipeline for introducing the water of the river 1 into the water purification plant 3, and 30c is a pipeline for introducing the water of the river 1 into the water purification plant 30. The water purification plants 3, 30 are connected to the controller 4 via the signal line 3a or 30a. Other configurations are the same as those in FIG.
[0352]
Next, the operation of the present embodiment 105 will be described. The pollutant concentration C3in in the raw water at the intake point measured at the water purification plant 3 is via the signal line 3a, and the pollutant concentration C30in in the raw water at the intake point measured at the water purification plant 30 is via the signal line 30a. It is transmitted to the controller 4.
[0353]
When the pollutant concentration C3in is higher than the predetermined upper limit value C3in * and the pollutant concentration C30in is lower than the predetermined upper limit value C30in *, the controller 4 allows the sewage capacity from the sewage treatment plant 2 to the sewage treatment plant 20. Q2-20 is calculated according to the following equation (105.1), for example.
[0354]
Q2-20 = k1051 (C3in-C3in *) (105.1)
here
k1051: coefficient
Conversely, when the pollutant concentration C30in is higher than the predetermined upper limit value C30in * and the pollutant concentration C3in is lower than the predetermined upper limit value C3in *, the controller 4 transfers from the sewage treatment plant 20 to the sewage treatment plant 2. The sewage accommodation amount Q20-2 is calculated according to the following equation (105.2), for example.
[0355]
Q20-2 = k1052 (C30in−C30in *) (105.2)
here
k1052: Coefficient
These values are transmitted from the controller 4 to the pump 6 via the signal line 6a.
As described above, when the quality of raw water in one of the sewage treatment plants 3 and 30 downstream of the sewage treatment plants 2 and 20 deteriorates, a part of the sewage flowing into the other sewage treatment plants can be accommodated. The effect is that the quality of 30 raw waters can be recovered.
[0356]
Embodiment 106
FIG. 61 is a block diagram showing a water management system according to Embodiment 106 of the present invention. In the above embodiment 105, when the quality of the raw water of the water purification plant downstream of the sewage treatment plant is deteriorated, an example in which a part of the sewage flowing into the other sewage treatment plant is accommodated is shown. Is a system configured to accommodate water in the treatment process, and in this case, the same effect can be obtained.
[0357]
In FIG. 61, reference numeral 200c denotes a conduit for accommodating water in the treatment process, which is connected to the sewage treatment plants 2 and 20. Other configurations are the same as those in FIG. The operation of the present embodiment 106 is the same as that of the above-described embodiment 105.
[0358]
Embodiment 107. FIG.
In the above embodiment 105, when the quality of the raw water of the water treatment plant downstream of the sewage treatment plant has deteriorated, an example in which a part of the inflow sewage is accommodated in the other sewage treatment plant is shown. The system can also be configured to accommodate incoming sewage when it deteriorates. In this case, the system configuration is the same as in FIG.
[0359]
Next, the operation of the present embodiment 107 will be described with reference to FIG. The pollutant concentration C3out in the treated water of the water purification plant 3 is transmitted to the controller 4 via the signal line 3a, and the pollutant concentration C30out during the treatment of the water purification plant 30 is transmitted to the controller 4 via the signal line 30a.
[0360]
When the pollutant concentration C3out is higher than the predetermined upper limit value C3out0 and the pollutant concentration C30out is lower than the predetermined upper limit value C30out *, the controller 4 supplies the sewage capacity Q2 from the sewage treatment plant 2 to the sewage treatment plant 20. -20 is calculated according to the following equation (107.1), for example.
[0361]
Q2-20 = k1071 (C3out-C3out *) (107.1)
here
k1071: coefficient
Conversely, when the pollutant concentration C30out is higher than the predetermined upper limit value C30out * and the pollutant concentration C3out is lower than the predetermined upper limit value C3out *, the controller 4 transfers the sewage treatment plant 20 to the sewage treatment plant 2. The sewage accommodation amount Q20-2 is calculated according to, for example, the following equation (107.2).
[0362]
Q20-2 = k1072 (C30out−C30out *) (107.2)
here
k1072: Coefficient
These values are transmitted from the controller 4 to the pump 6 via the signal line 6a.
As described above, when the treated water quality of the water purification plant 3 or 30 downstream of one of the sewage treatment plants 2 and 20 is deteriorated, a part of the inflow sewage can be accommodated in the other sewage treatment plant. There is an effect that the quality of the treated water can be recovered.
[0363]
Embodiment 108. FIG.
In the above-described embodiment 107, an example in which a part of the sewage flowing into the other sewage treatment plant is accommodated when the quality of the sewage treatment plant downstream of the sewage treatment plant is deteriorated is shown. Even if the system is configured as described above, the same effect can be obtained. In this case, the system configuration is as shown in FIG. The operation of this embodiment 108 is the same as that of the above embodiment 107.
[0364]
Embodiment 109. FIG.
In the above-described embodiment 105, when the quality of the raw water of the water purification plant downstream of the sewage treatment plant has deteriorated, an example in which a part of the sewage flowing into the other sewage treatment plant is accommodated is shown. When the value reaches the limit, for example, when the amount of the flocculant added reaches the upper limit and the quality of the treated water deteriorates, the system can be configured to accommodate the inflowing sewage. In this case, the system configuration is the same as in FIG.
[0365]
Next, the operation of the present embodiment 109 will be described with reference to FIG. The flocculant addition amount Qg3 of the water purification plant 3 is transmitted to the controller 4 via the signal line 2a, and the flocculant addition amount Qg30 of the water purification plant 30 is transmitted to the controller 4 via the signal line 20a.
[0366]
When the coagulant addition amount Qg3 is higher than the predetermined upper limit value Qg3 * and the coagulant addition amount Qg30 is lower than the predetermined upper limit value Qg30 *, the controller 4 performs sewage treatment from the sewage treatment plant 2 to the sewage treatment plant 20. A signal is sent to the pump 6 so as to start the interchange. Conversely, when the coagulant addition amount Qg30 is higher than the predetermined upper limit value Qg30 * and the coagulant addition amount Qg3 is lower than the predetermined upper limit value Qg3 *, the controller 4 sends the sewage treatment plant 20 to the sewage treatment plant 2. A signal is sent to the pump 6 to start the sewage interchange. These signals are sent from the controller 4 to the pump 6 via the signal line 6a.
[0367]
As described above, when the control set values of the water purification plants 3 and 30 reach the limit, a part of the inflow sewage can be accommodated in the other sewage treatment plants 20 or 2, so that the treated water quality of the water purification plants 3 and 30 is restored. There is an effect that can be.
[0368]
Embodiment 110. FIG.
In the above-described embodiment 109, when the control setting value of the water treatment plant downstream of the sewage treatment plant reaches the limit, an example of accommodating a part of the inflow sewage to another sewage treatment plant is shown. Even if the system is configured to accommodate water, the same effect can be obtained. In this case, the system configuration is as shown in FIG. Further, the operation of the present embodiment 110 is the same as that of the above-described embodiment 109.
[0369]
Embodiment 111. FIG.
FIG. 62 is a block diagram showing a water management system according to Embodiment 111 of the present invention. In the present embodiment 111, when the water quality of a river measured at an information collection facility deteriorates, the system is configured so that a part of inflow sewage is accommodated in another sewage treatment plant.
[0370]
In FIG. 62, 5 is an information collection facility for measuring the water quality downstream of the sewage treatment plant 2, and 50 is an information collection facility for measuring the water quality downstream of the sewage treatment plant 20. The information collection facilities 5 and 50 are connected to the controller 4 via signal lines 5a or 50a. Other configurations are the same as those in FIG.
[0371]
Next, the operation of the present embodiment 111 will be described. The pollutant concentration C6 in the river water measured at the information collecting facility 5 is sent to the controller 4 via the signal line 5a, and the pollutant concentration C60 in the river water measured at the information collecting facility 50 is sent to the controller 4 via the signal line 50a. Reportedly.
[0372]
When the pollutant concentration C6 is higher than the predetermined upper limit value C6 * and the pollutant concentration C60 is lower than the predetermined upper limit value C60 *, the controller 4 allows the sewage capacity from the sewage treatment plant 2 to the sewage treatment plant 20. Q2-20 is calculated according to the following equation (111.1), for example.
[0373]
Q2-20 = k1111 (C6-C6 *) (111.1)
here
k1111: Coefficient
Conversely, when the pollutant concentration C60 is higher than the predetermined upper limit value C60 * and the pollutant concentration C6 is lower than the predetermined upper limit value C6 *, the controller 4 transfers from the sewage treatment plant 20 to the sewage treatment plant 2. The sewage accommodation amount Q20-2 is calculated according to the following equation (111.2), for example.
[0374]
Q20-2 = k1112 (C60-C60 *) (111.2)
here
k1112: Coefficient
These values are transmitted from the controller 4 to the pump 6 through signal lines 5a and 50a.
[0375]
As described above, when the river water quality downstream of one of the sewage treatment plants 2 and 20 deteriorates, a part of the inflow sewage can be accommodated in the other sewage treatment plant, so that the river water quality can be recovered.
[0376]
Embodiment 112. FIG.
FIG. 63 is a block diagram showing a water management system according to Embodiment 112 of the present invention. In the above-described Embodiment 111, an example in which a part of sewage flowing into another sewage treatment plant is accommodated when the river water quality downstream of the sewage treatment plant is deteriorated is shown. In this case, the same effect is achieved.
[0377]
In FIG. 63, 200c is a conduit for accommodating water in the treatment process, and is connected to the sewage treatment plant 2 and 20. Other configurations are the same as those in FIG. The operation of the present embodiment 112 is the same as that of the above embodiment 111.
[0378]
Embodiment 113. FIG.
FIG. 64 is a block diagram showing a water management system according to Embodiment 113 of the present invention. In the above embodiment 97, when the amount of sewage flowing into the sewage treatment plant is increased, an example is shown in which a part of the sewage flowing into another sewage treatment plant associated with the same river is accommodated. The system is configured so as to be compatible with a sewage treatment plant relating to another river, and in this case, the same effect can be obtained.
[0379]
That is, as shown in FIG. 64, the present embodiment 113 has the same configuration and operation as those shown in FIG. 58 except that the sewage treated by the sewage treatment plant 20 is discharged into another river 10. This is the same as the 97th embodiment shown.
[0380]
Embodiment 114. FIG.
FIG. 65 is a block diagram showing a water management system according to Embodiment 114 of the present invention. In the above embodiment 98, when the amount of sewage flowing into the sewage treatment plant is increased, an example in which a part of the water in the treatment process is accommodated to another sewage treatment plant related to the same river is shown. In form 114, the system is configured to be compatible with a sewage treatment plant relating to another river, and in this case, the same effect can be obtained.
[0381]
That is, in the present embodiment 114, as shown in FIG. 65, the configuration and operation are the same as those in FIG. 59 except that the sewage treated by the sewage treatment plant 20 is discharged into another river 10. This is the same as the 98th embodiment shown.
[0382]
Embodiment 115. FIG.
In the above-mentioned Embodiment 99, when the inflow load to the sewage treatment plant is increased, an example in which a part of the sewage is accommodated to another sewage treatment plant related to the same river has been shown. Even if the system is configured to be flexible in the field, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the present 115th embodiment is the same as that of the 99th embodiment.
[0383]
Embodiment 116. FIG.
In Embodiment 100 described above, when the inflow load to the sewage treatment plant is increased, an example in which a part of the water in the treatment process is accommodated to another sewage treatment plant related to the same river is shown. Even if the system is configured to accommodate such a sewage treatment plant, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the present embodiment 116 is the same as that of the above-described embodiment 100.
[0384]
Embodiment 117. FIG.
In the above-described embodiment 101, when the treated water quality of the sewage treatment plant is deteriorated, an example in which a part of the sewage is accommodated to another sewage treatment plant related to the same river has been shown. Even if the system is configured so as to be flexible, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the present embodiment 117 is the same as that of the above-described embodiment 101.
[0385]
Embodiment 118. FIG.
In Embodiment 102 above, when the treated water quality of the sewage treatment plant has deteriorated, an example in which part of the water in the treatment process is accommodated to another sewage treatment plant associated with the same river has been shown. Even if the system is configured to accommodate the sewage treatment plant, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Further, the operation of Embodiment 118 is the same as that of Embodiment 102 described above.
[0386]
Embodiment 119.
In the above-described embodiment 103, when the control set value of the sewage treatment plant reaches the limit, an example in which a part of the sewage is accommodated to another sewage treatment plant related to the same river has been shown. Even if the system is configured to accommodate the sewage treatment plant, the same effect can be obtained. In this case, the system configuration is the same as in FIG. The operation of the present embodiment 119 is the same as that of the above embodiment 103.
[0387]
Embodiment 120. FIG.
In the above embodiment 104, when the control set value of the sewage treatment plant reaches the limit, an example is shown in which a part of the water in the treatment process is accommodated to another sewage treatment plant related to the same river. Even if the system is configured to be compatible with a sewage treatment plant related to a river, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Further, the operation of the present embodiment 120 is the same as that of the above-described embodiment 104.
[0388]
Embodiment 121. FIG.
FIG. 66 is a block diagram showing a water management system according to Embodiment 121 of the present invention. In the above-mentioned Embodiment 105, when the quality of the raw water of the water purification plant located downstream of the sewage treatment plant is deteriorated, an example in which a part of the sewage is accommodated to another sewage treatment plant related to the same river is shown. In the present embodiment 121, the system is configured so as to be compatible with a sewage treatment plant relating to another river, and in this case as well, the same effect can be obtained.
[0389]
That is, the present embodiment 121 is configured such that the sewage treated by the sewage treatment plant 20 is discharged to another river 10 and the water purification plant 30 takes water from the river 10, as shown in FIG. Except for this, the configuration and operation are the same as those of the above-described embodiment 105 shown in FIG.
[0390]
Embodiment 122. FIG.
FIG. 67 is a block diagram showing a water management system according to Embodiment 122 of the present invention. In the said Embodiment 106, when the water quality of the raw water of the water purification plant located downstream of a sewage treatment plant deteriorates, the example which accommodates a part of water of a process to the other sewage treatment plant which concerns on the same river is shown. However, the present embodiment 122 is configured in such a way that the system can be accommodated in a sewage treatment plant related to another river, and in this case, the same effect can be obtained.
[0390]
That is, the present embodiment 122 is configured such that the sewage treated by the sewage treatment plant 20 is discharged to another river 10 and the water purification plant 30 takes water from the river 10 as shown in FIG. Except for this, the configuration and operation are the same as those in the above-described embodiment 106 shown in FIG.
[0392]
Embodiment 123. FIG.
In the above-described embodiment 107, when the quality of the raw water of the water purification plant located downstream of the sewage treatment plant has deteriorated, an example of accommodating a part of the sewage to another sewage treatment plant related to the same river has been shown. Even if the system is configured to accommodate a sewage treatment plant related to another river, the same effect can be obtained. In this case, the system configuration is the same as in FIG. Further, the operation of the present embodiment 123 is the same as that of the above-described embodiment 107.
[0393]
Embodiment 124. FIG.
FIG. 68 is a block diagram showing a water management system according to Embodiment 124 of the present invention. In the present embodiment 124, a system for determining the amount of accommodation between the sewage treatment plants so that the total treatment cost is the lowest for a plurality of sewage treatment plants capable of sewage accommodation.
[0394]
In FIG. 68, 1 is a river. Reference numerals 2 and 20 denote sewage treatment plants that discharge treated water to the river 1. 2c is a pipe for discharging from the sewage treatment plant 2 to the river 1, and 20c is a pipe for discharging from the sewage treatment plant 20 to the river 1. 2e is a pipe for introducing sewage into the sewage treatment plant 2, and 20e is a pipe for introducing the sewage into the sewage treatment plant 20. Reference numeral 200e denotes a pipe for accommodating sewage, and is connected to the pipes 2e and 20a. Reference numeral 6 denotes a pump attached to the pipe 200e. 4 is a controller for determining the amount of sewage accommodation, and is connected to the sewage treatment plant 2 via the signal line 2a, the sewage treatment plant 20 via the signal line 20a, and the pump 6 via the signal line 6a. Yes.
[0395]
Next, the operation of the present embodiment 124 will be described. First, the controller 4 calculates a processing cost Co2 necessary for processing the sewage Q2in to a certain target water quality in the sewage treatment plant 2. The quality of the inflow sewage required for this calculation is sent from the sewage treatment plant 2 to the controller 4 via the signal line 2a. Similarly, a treatment cost Co20 necessary for treating the sewage Q20in to a certain target water quality at the sewage treatment plant 20 is calculated. The quality of the inflow sewage necessary for this calculation is sent from the sewage treatment plant 20 to the controller 4 via the signal line 20a. Here, it is assumed that Q2in + Q20in is equal to the sum of the amount of sewage actually flowing into each sewage treatment plant 2,20.
[0396]
By repeating this operation, a combination of Q2in and Q20in that minimizes Co2 + Co20 is found. When Q2in or Q20in exceeds the actual sewage inflow, the excess is accommodated to the other through the pipe 200c. The accommodation amount is sent from the controller 4 to the pump 6 via the signal line 6a.
[0397]
As described above, there is an effect that the quality of the sewage treated water can be favorably maintained while suppressing the treatment cost.
[0398]
Embodiment 125. FIG.
FIG. 69 is a block diagram showing a water management system according to Embodiment 125 of the present invention. In the above-described embodiment 124, an example in which sewage is accommodated has been shown. However, in the present embodiment 125, the system is configured to accommodate water in the treatment process, and in this case, the same effect can be obtained. Play. The system configuration in this case is as shown in FIG. The operation of the present embodiment 125 is the same as that of the above embodiment 124.
[0399]
Embodiment 126. FIG.
FIG. 70 is a block diagram showing a water management system according to Embodiment 126 of the present invention. In the above-described embodiment 124, an example in which sewage is accommodated has been shown. However, in the present embodiment 125, the system is configured to accommodate sewage treated water, and in this case as well, an equivalent effect is achieved. . In this case, the system configuration is as shown in FIG. Further, the operation of the present embodiment 126 is the same as that of the above-described embodiment 124.
[0400]
Embodiment 127. FIG.
In Embodiments 1 to 126 described above, the case where the water source is a river has been described, but the same system can be configured for other water sources, for example, lakes. Also in this case, of course, the same effects as those of the first to 126th embodiments are obtained.
[0401]
Embodiment 128. FIG.
In addition, the system can be configured by replacing the sewage treatment plant with another wastewater treatment plant and the water purification plant with another water production plant.
[0402]
Further, in each of the above-described embodiments, the time-sequential analog method is used. However, even if the time-discontinuous analog method (sample value method) or digital method is used, the same effects as those of the above-described embodiments are obtained. .
[0403]
Furthermore, in each of the above embodiments, the configuration of the control circuit has been shown. However, even if this is programmed and implemented in a computer, the same effects as those of the above embodiments can be obtained.
[0404]
In each of the above embodiments, the control circuit is configured in a closed loop. However, the control circuit may be configured as a driving support system that indicates the control target value to the operator.
[0405]
【The invention's effect】
  As described above, according to the present invention, the water management system includes one or more water sources.At least one discharge of treated water toFirst water treatment facilityTreatment water quality or operating conditionsMeans to obtain,The above treated water quality or operating conditionsDepending on the above waterSourceThe water quality of water such as clean water supplied from the second water treatment facility such as a water purification plant can be kept good and stable. There is an effect.
[0406]
  Moreover, according to this invention,Water management system with one or more water sourcesAt least one discharge of treated water toFirst water treatment facilityTreatment water quality or operating conditionsMeans to obtain,The above treated water quality or operating conditionsDepending on the above waterSourceThe water quality of water such as clean water supplied from the second water treatment facility such as a water purification plant can be kept good and stable. There is an effect.
[0407]
  Moreover, according to this invention,Water management system with one or more water sourcesAt least one discharge of treated water toFirst water treatment facilityTreatment water quality or operating conditionsMeans to obtain,The above treated water quality or operating conditionsDepending on the above waterSourceThe water quality of water such as clean water supplied from the second water treatment facility such as a water purification plant can be kept good and stable. There is an effect.
[0408]
  Moreover, according to this invention,Water management system with one or more water sourcesAt least one discharge of treated water toFirst water treatment facilityTreatment water quality or operating conditionsMeans to obtain,The above treated water quality or operating conditionsDepending on the above waterSourceThe water quality of water such as clean water supplied from the second water treatment facility such as a water purification plant can be improved in a stable and stable manner. There is an effect that it can be maintained.
[0410]
  Moreover, according to this invention,Water management system, one or more waterTo the sourceMeans for obtaining information from at least one of the first water treatment facility and the information collection facility, and depending on the information, the waterTo sourceBy comprising means for indicating the discharge position of the second water treatment facility to be discharged,Water sourceThe water quality can be kept good and stable.
[0412]
  Moreover, according to this invention,Water management system, one or more waterTo the sourceMeans for obtaining information from at least one of the first water treatment facility and the information collection facility, and depending on the information,Above waterTo sourceBy comprising the means for instructing the water accommodation amount between the plurality of second water treatment facilities to be discharged, the water quality of the water source can be kept good and stable.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing a water management system according to a first embodiment of the present invention.
FIG. 2 is a configuration diagram showing a water management system according to a second embodiment of the present invention.
FIG. 3 is a configuration diagram showing a water management system according to a third embodiment of the present invention.
FIG. 4 is a configuration diagram showing a water management system according to a fourth embodiment of the present invention.
FIG. 5 is a configuration diagram showing a water management system according to a fifth embodiment of the present invention.
FIG. 6 is a configuration diagram showing a water management system according to a ninth embodiment of the present invention.
FIG. 7 is a configuration diagram showing a water management system according to a tenth embodiment of the present invention.
FIG. 8 is a configuration diagram showing a water management system according to a twelfth embodiment of the present invention.
FIG. 9 is a configuration diagram showing a water management system according to a thirteenth embodiment of the present invention.
FIG. 10 is a configuration diagram showing a water management system according to a sixteenth embodiment of the present invention.
FIG. 11 is a configuration diagram showing a water management system according to a seventeenth embodiment of the present invention.
FIG. 12 is a configuration diagram showing a water management system according to a nineteenth embodiment of the present invention.
FIG. 13 is a configuration diagram showing a water management system according to a twentieth embodiment of the present invention.
FIG. 14 is a configuration diagram showing a water management system according to a twenty-second embodiment of the present invention.
FIG. 15 is a configuration diagram showing a water management system according to a twenty-third embodiment of the present invention.
FIG. 16 is a configuration diagram showing a water management system according to a twenty-sixth embodiment of the present invention.
FIG. 17 is a configuration diagram showing a water management system according to a twenty-seventh embodiment of the present invention.
FIG. 18 is a block diagram showing a water management system according to Embodiment 28 of the present invention.
FIG. 19 is a configuration diagram showing a water management system according to a twenty-ninth embodiment of the present invention.
FIG. 20 is a configuration diagram showing a water management system according to Embodiment 31 of the present invention.
FIG. 21 is a configuration diagram showing a water management system according to a thirty-second embodiment of the present invention.
FIG. 22 is a block diagram showing a water management system according to Embodiment 33 of the present invention.
FIG. 23 is a block diagram showing a water management system according to Embodiment 34 of the present invention.
FIG. 24 is a block diagram showing a water management system according to Embodiment 35 of the present invention.
FIG. 25 is a block diagram showing a water management system according to Embodiment 36 of the present invention.
FIG. 26 is a block diagram showing a water management system according to Embodiment 37 of the present invention.
FIG. 27 is a block diagram showing a water management system according to Embodiment 38 of the present invention.
FIG. 28 is a block diagram showing a water management system according to Embodiment 39 of the present invention.
FIG. 29 is a block diagram showing a water management system according to Embodiment 40 of the present invention.
FIG. 30 is a block diagram showing a water management system according to Embodiment 41 of the present invention.
FIG. 31 is a block diagram showing a water management system according to Embodiment 42 of the present invention.
FIG. 32 is a block diagram showing a water management system according to Embodiment 43 of the present invention.
FIG. 33 is a block diagram showing a water management system according to Embodiment 44 of the present invention.
FIG. 34 is a block diagram showing a water management system according to Embodiment 45 of the present invention.
FIG. 35 is a block diagram showing a water management system according to Embodiment 47 of the present invention.
FIG. 36 is a block diagram showing a water management system according to Embodiment 48 of the present invention.
FIG. 37 is a block diagram showing a water management system according to Embodiment 53 of the present invention.
FIG. 38 is a block diagram showing a water management system according to Embodiment 54 of the present invention.
FIG. 39 is a block diagram showing a water management system according to Embodiment 55 of the present invention.
FIG. 40 is a block diagram showing a water management system according to Embodiment 56 of the present invention.
FIG. 41 is a configuration diagram showing a water management system according to Embodiment 59 of the present invention.
FIG. 42 is a block diagram showing a water management system according to Embodiment 61 of the present invention.
FIG. 43 is a block diagram showing a water management system according to Embodiment 62 of the present invention.
FIG. 44 is a block diagram showing a water management system according to Embodiment 63 of the present invention.
FIG. 45 is a block diagram showing a water management system according to Embodiment 68 of the present invention.
FIG. 46 is a block diagram showing a water management system according to Embodiment 71 of the present invention.
FIG. 47 is a block diagram showing a water management system according to Embodiment 73 of the present invention.
FIG. 48 is a block diagram showing a water management system according to Embodiment 74 of the present invention.
FIG. 49 is a block diagram showing a water management system according to Embodiment 75 of the present invention.
FIG. 50 is a block diagram showing a water management system according to Embodiment 80 of the present invention.
FIG. 51 is a block diagram showing a water management system according to Embodiment 82 of the present invention.
FIG. 52 is a block diagram showing a water management system according to Embodiment 85 of the present invention.
FIG. 53 is a block diagram showing a water management system according to Embodiment 86 of the present invention.
FIG. 54 is a block diagram showing a water management system according to Embodiment 88 of the present invention.
FIG. 55 is a block diagram showing a water management system according to Embodiment 92 of the present invention.
FIG. 56 is a block diagram showing a water management system according to Embodiment 94 of the present invention.
FIG. 57 is a block diagram showing a water management system according to Embodiment 96 of the present invention.
FIG. 58 is a block diagram showing a water management system according to Embodiment 98 of the present invention.
FIG. 59 is a block diagram showing a water management system according to Embodiment 99 of the present invention.
FIG. 60 is a block diagram showing a water management system according to Embodiment 106 of the present invention.
61 is a block diagram showing a water management system according to Embodiment 107 of the present invention. FIG.
FIG. 62 is a block diagram showing a water management system according to Embodiment 112 of the present invention.
FIG. 63 is a block diagram showing a water management system according to Embodiment 113 of the present invention.
FIG. 64 is a block diagram showing a water management system according to Embodiment 114 of the present invention.
FIG. 65 is a block diagram showing a water management system according to Embodiment 115 of the present invention.
FIG. 66 is a block diagram showing a water management system according to Embodiment 122 of the present invention.
FIG. 67 is a configuration diagram showing a water management system according to Embodiment 123 of the present invention.
FIG. 68 is a block diagram showing a water management system according to Embodiment 125 of the present invention.
FIG. 69 is a block diagram showing a water management system according to Embodiment 126 of the present invention.
FIG. 70 is a configuration diagram showing a water management system according to Embodiment 127 of the present invention.
[Explanation of symbols]
1 River, 2 Sewage Treatment Plant, 3 Water Treatment Plant, 4 Controller, 5 Information Collection Facility, 6 Pump, 8 Advanced Treatment Facility, 10 River, 20 Sewage Treatment Plant, 30 Water Treatment Plant, 50 Information Collection Facility, 61, 62, 63 Pump, 2a, 3a, 5a, 6a, 20a, 30a, 50a Signal line.

Claims (6)

Means for obtaining treated water quality or operating conditions of at least one first water treatment facility that discharges treated water to one or more water sources;
Depending on the quality of treated water or operating conditions, and means for instructing the operation method of the second water treatment facilities either et intake the water source,
A water management system comprising: Means for obtaining treated water quality or operating conditions of at least one first water treatment facility that discharges treated water to one or more water sources;
Depending on the quality of treated water or operating conditions, and means for instructing the intake position of the second water treatment facilities either et intake the water source,
A water management system comprising: Means for obtaining treated water quality or operating conditions of at least one first water treatment facility that discharges treated water to one or more water sources;
Depending on the quality of treated water or operating conditions, and means for instructing the intake amount of the second water treatment facilities either et intake the water source,
A water management system comprising: Means for obtaining treated water quality or operating conditions of at least one first water treatment facility that discharges treated water to one or more water sources;
Depending on the quality of treated water or operating conditions, and means for indicating water interchange amount between the plurality of second water treatment facilities either et intake the water source,
A water management system comprising: It means for obtaining one or more from at least one of the information of the first water treatment facilities and information collection facilities in accordance with the water source,
Depending on the information, and means for indicating the released position of the second water treatment facilities that discharge into the water source,
A water management system comprising: It means for obtaining one or more from at least one of the information of the first water treatment facilities and information collection facilities in accordance with the water source,
Depending on the information, and means for indicating water interchange amount between the plurality of second water treatment facilities that discharge into the water source,
A water management system comprising:

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