JP4884013B2 - Waste treatment equipment - Google Patents

Description

  The present invention relates to a waste treatment apparatus, and more particularly to a waste treatment apparatus provided with a plurality of treatment tanks and a plurality of input ports.

2. Description of the Related Art In recent years, waste treatment apparatuses using the power of microorganisms are known as waste treatment means such as garbage.
This waste treatment device is filled with a substrate containing microorganisms in order to decompose the waste in the treatment tank, and the waste is introduced into the treatment tank from the inlet provided in the treatment tank by opening the input lid. However, the waste is decomposed by the action of microorganisms that live in the base material.
According to this, the waste is converted into moisture (water vapor) and carbon dioxide by decomposition by the action of the microorganisms described above, and is discharged as a gas out of the waste treatment apparatus by the exhaust device.

By the way, in such a waste treatment apparatus, there is known a waste treatment apparatus in which the garbage treatment apparatuses are arranged side by side so as to improve the garbage treatment as a two-tank type.
For example, as shown in FIG. 9, Patent Document 1 proposes a waste treatment apparatus in which a garbage treatment tank is configured by arranging a first treatment tank 101 and a second treatment 102 in parallel.
In this waste treatment apparatus, each of the first treatment tank 1 and the second treatment 2 is provided with a garbage input port 1010 and a discharge port 1012 for discharging the treated waste. It is configured to improve waste disposal.
Japanese Patent Laid-Open No. 10-43721

However, the waste disposal apparatus of Patent Document 1 in the above-described conventional example has the following problems.
That is, in the above-mentioned conventional example, each treatment tank is provided with an input port and an exhaust port individually. Thus, in the case where the same number of discharge ports as the input ports are provided in this way, the production cost is correspondingly increased. It will be bulky.
In addition, if multiple garbage disposal devices are arranged in order to improve the amount of garbage processed in a place where garbage that cannot be handled by one garbage disposal device is discharged, the cost for that number will increase. In addition, there is a problem that the installation space becomes large.

  In view of the above problems, the present invention provides a waste treatment apparatus that can suppress an increase in manufacturing cost of the apparatus and an increase in the size of the apparatus, and can improve the amount of garbage processed. It is the purpose.

In order to solve the above-mentioned problems, the present invention provides a waste treatment apparatus configured as follows.
That is, the present invention includes a waste treatment tank that is divided into a plurality of interiors,
An inlet for introducing waste into the waste treatment tank;
An outlet for discharging the processed material;
Deodorizing means for heating and deodorizing exhaust from the waste,
An exhaust duct for guiding the heated exhaust from the deodorizing means to the outside of the waste treatment tank;
A duct constituting a gas circulation passage in the waste treatment tank for heat exchange with the exhaust duct;
A waste treatment apparatus comprising:
While the waste treatment tank is provided with a plurality of input ports for introducing the waste,
A discharge port for discharging the processed material is provided only in one of the compartments ,
A plurality of gas suction ports of the circulation passage are provided in a section where the input port is provided, and the gas in the waste treatment tank which is circulated through a duct constituting the circulation passage and is heat-exchanged with the exhaust duct is It is characterized by ventilating a compartment with a discharge port .

  ADVANTAGE OF THE INVENTION According to this invention, it can suppress that the manufacturing cost of an apparatus increases and an apparatus enlarges, The waste disposal apparatus which can aim at the improvement of the processing amount of garbage can be implement | achieved.

According to the present invention, as described above, it is possible to realize a waste treatment apparatus that does not increase in size and can reduce the installation space while improving the amount of garbage processed. Specifically, the embodiment can be configured as follows.
In the present embodiment, the waste treatment apparatus can be configured as shown in, for example, FIG. 1, FIG. 2, FIG.
That is, it is set as the structure provided with the processing tank 10 divided into plurality, the two inlets 22 (22a, 22b) which throw in a waste, and the insertion lid | cover 21 (21a, 21b) which opens and closes an inlet.
Moreover, the structure provided with the discharge port 35 which discharges | emits the processed material processed in the waste processing tank, and the exhaust port 18 (18a, 18b, 18c) which exhausts the gas in a processing tank out of a processing tank, To do.
At that time, one discharge port 35 is provided only in one section of the processing tank 10 partitioned into a plurality. A plurality of outlets may be provided in the same section.
Moreover, in this Embodiment, the processing tank 10 is divided into odd numbers, and it is comprised so that a discharge port may be provided in the odd-numbered division of the center.
As a result, the waste input from the two input ports is processed in the processing tank 10 and then sandwiched between the compartments of the processing tank 10 having the input ports 22 (22a, 22b). Are collected in the section provided.
Therefore, according to such a configuration, it is not necessary to provide the same number of discharge ports 35 as the input ports 22 (22a, 22b).

According to the above-described embodiment, the manufacturing cost of the apparatus can be suppressed with a simple configuration.
Moreover, by setting it as the above structures, by providing two input ports 22 (22a, 22b) and sharing a section of the processing tank having the discharge port 35, it is possible to prevent the apparatus from becoming large, Space-saving installation is possible.
Thus, according to the configuration of the present embodiment, the number of outlets can be reduced to one regardless of the number of inlets, and the space for at least one of the sections where the outlets are provided can be reduced. In addition, it is possible to manufacture the device at a low cost, and it is possible to prevent an increase in the size of the device and reduce the installation space while improving the amount of garbage processed.

Hereinafter, the configuration of the waste treatment apparatus according to the embodiment of the present invention will be described more specifically with reference to the drawings.
FIG. 1 is a schematic perspective view of the waste disposal apparatus according to the embodiment of the present invention when the exterior cover is mounted.
FIG. 2 is a schematic perspective view showing the configuration of the waste disposal apparatus in the embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view of the waste disposal apparatus as viewed from the view A in FIG.
FIG. 4 is a schematic diagram showing a ventilation path when the waste disposal apparatus is viewed from the top.

1 to 4, 1 is a drive motor that rotates forward and backward of a power source, 2 is a small sprocket fixed to the tip of the output shaft of the drive motor 1, 3 is a chain that meshes with the small sprocket 2, and 4 is meshed with the chain 3 It is a large sprocket.
Reference numeral 5 denotes a stirring blade that stirs the waste, 6 denotes a stirring shaft that rotates the stirring blade 5, and 7 denotes a bearing that supports the stirring shaft 6.
The stirring means of the present embodiment is constituted by the above members.
Reference numeral 8 denotes an exterior cover as a frame that covers the waste treatment apparatus, and reference numeral 10 denotes a waste treatment tank provided in the exterior cover 8 for treating waste.
The processing tank 10 is configured by a processing tank right side plate 14 and a processing tank left side plate 15 as a pair of side walls provided opposite to each other, and a tank portion 10a horizontally disposed between the pair of side walls. Yes.
11 (11a, 11b, 11c, 11d) is a partition plate for partitioning the processing tank 10 into a plurality of compartments (10b, 10c, 10d, 10e, 10f).
A planar heater 9 as a heating means for heating the processing tank 10 is provided at the lower part of the processing tank 10. Reference numeral 12 denotes a base material for decomposing waste, and 13 denotes a base material moisture content detection sensor for detecting the waste decomposition state by the moisture content of the base material.

Reference numeral 16 denotes an exhaust fan for supplying air to the microorganisms and exhausting moisture and carbon dioxide generated by the decomposition process, 17 is an intake port for taking outside air into the processing tank 10, and 18 (18 a, 18 b, 18 c) are the processing tank 10. It is an exhaust port for discharging carbon dioxide gas generated inside.
Reference numerals 19 (19a, 19b) denote magnets attached to the charging lids 21 (21a, 21b) of the processing tank 10.
20 (20a, 20b) is a loading lid open / close detection sensor that detects a magnet attached to the loading lid 21 (21a, 21b), 21 (21a, 21b) is a loading lid, and 22 (22a, 22b) is loaded with waste. It is an entry point.
The inlet 22 (22a, 22b) is configured to be provided in the compartments at both ends of the waste treatment tank.
By adopting such an arrangement, it is possible to perform the same decomposition treatment regardless of which inlet is used for the waste.
Reference numeral 23 denotes a control unit for controlling the whole, 24 is a vent, 25 is a dust removing filter for removing dust generated from the inside of the processing tank 10, and 26 (26a, 26b, 26c) is an exhaust port and outside air in the processing tank 10. It is an exhaust duct that communicates.
Reference numeral 27 denotes a deodorizing unit as deodorizing means for heating the odorous air generated from the treatment tank 10 by the catalyst heater 27a and deodorizing using the oxidation catalyst 27b, and 28 is a temperature sensor for detecting the outlet temperature of the deodorizing unit 27. is there.

Reference numeral 29 denotes an outside air intake provided in the upper part of the exterior cover 8, 31 denotes a ventilation fan that forcibly creates a flow of outside air taken in from the outside air intake, and 30 denotes an exterior cover 8 as a frame covering the waste treatment apparatus. It is a bottom plate that is a part of.
32 is a duct which is arranged outside the exhaust duct 26a provided in the processing tank 10 and constitutes a gas circulation path in the processing tank 10, 33 is a gas suction port for sucking the gas in the processing tank 10 into the duct 32, A circulation fan 34 circulates the gas in the treatment tank 10.
35 is a discharge port for discharging the decomposition residue after processing the waste in the treatment tank 10, 40 is a discharge lid for opening and closing the discharge port 35, 41 is a magnet attached to the discharge lid 40 of the treatment tank 10, and 42 is a discharge It is a discharge lid open / close detection sensor that detects a magnet attached to the lid 40.
Reference numeral 43 denotes a processed material conveyance guide provided in communication with the discharge port 35, 44 denotes a discharge cover that covers the discharge lid 40, and 45 denotes a locking portion that locks the discharge cover 44.

  Reference numeral 36 denotes an intake heat exchange section that heats intake air into the treatment tank 10 in the intake passage of outside air defined by the partition wall 38 that partitions the inside of the duct 32, and 37 denotes an inside of the treatment tank 10 provided in the duct 32. It is the circulation heat exchange part which heats the gas which circulates through. Reference numeral 39 (39a, 39b) denotes an outside air inlet for taking outside air into an outside air intake passage partitioned by a partition wall 38 partitioning the inside of the duct 32.

Next, the operation of the waste disposal apparatus configured as described above will be described.
The treatment tank 10 has a stirring shaft 6 composed of a single shaft that rotates forward and backward in the center, and a base material 12 is contained therein. The base material 12 is composed mainly of sawdust, which is hardly biodegradable, and each grain is porous, has water absorption and voids, has a complicated particle shape, and large voids are formed between the particles. Yes. The efficiency of the waste decomposition treatment is improved by supplying air to the treated organism through this gap. In addition, the treatment organisms that decompose the waste in the mixture at this time are aerobic microorganisms and fungi.
Moreover, even if the base material 12 in the processing tank 10 is buckwheat husk other than sawdust, rice bran, etc., since it can maintain a space | gap and can supply the air to a treatment organism, it is suitable as the base material 12. .
Moreover, although the base material 12 uses the fiber sawdust which is hard to be biodegraded in the present embodiment, it may be a ceramic having a function of keeping air gaps and supplying air to the treated organism. Alternatively, even when the base material 12 using a processed product obtained by treating only garbage with a waste processing apparatus as a seed base material is used, the base organism 12 is already living or dormant in the active state. It is suitable as.

When one of the input lids 21 (21a, 21b) of the waste treatment apparatus in operation is opened, the input lid open / close detection sensor 20 that has detected the magnets 19 (19a, 19b) of the input lid 21 (21a, 21b). (20a, 20b) judges as follows and stops stirring.
That is, it is determined that the closing lid 21 (21a, 21b) has been opened, and if stirring is being performed, the drive motor 1 stops and stirring is stopped.
Here, the charging lid open / close detection means including the magnets 19 (19a, 19b) attached to the charging lid 21 (21a, 21b) and the charging lid open / close detection sensor 20 (20a, 20b) is a magnet attached to the processing tank 10. It consists of a magnetic sensor that reacts to This may be detected by an optical sensor provided with a protrusion on the charging lid 21 (21a, 21b) and attached to the processing tank 10 side.
In addition, the closing lid opening / closing detection sensor 20 (20a, 20b) uses a non-contact magnetic detection sensor in the present embodiment, but may be a mechanical micro switch.
In addition, the loading lid open / close detection sensor 20 (20a, 20b) is attached to either the loading lid 21 (21a, 21b) side or the processing tank 10 side or the charging lid 21 (21a, 21b) or the processing tank 10. Install the detection sensor. Alternatively, a detection member may be attached to the other.

Next, the stirring operation after the waste is charged will be described.
The stirring shaft 6 is configured as a single shaft so as to penetrate the treatment tank 10.
By doing in this way, all the stirring means can be driven by one drive motor 1, and the increase in cost can be suppressed.
In addition, in the stirring operation by the drive motor 1 after throwing in the waste, for example, the forward / reverse stirring is usually performed for 5 minutes in a cycle of 30 minutes, but the stirring is started immediately after the waste is thrown in. For example, by performing forward and reverse stirring for 10 minutes during a period of 30 minutes, the charged waste can be finely crushed and mixed with the substrate 12 evenly.
Further, by performing forward and reverse rotation, it is possible to prevent the thrown-in waste from being entangled with the stirring blade 5.
Furthermore, in addition to the effect of mixing the base material 12 and the waste, the stirring makes it possible to stabilize the temperature of the mixture and to actively release moisture contained in the mixture to the outside of the mixture. Thus, it becomes possible to adjust the water content of the mixture.
Moreover, since the thrown-in waste can be decomposed within 24 hours, when the waste is not thrown in for more than 24 hours, the stirring motor is stopped for 5 minutes and the drive motor 1 required for stirring is stopped for 55 minutes. The power supply to can be reduced and power saving can be achieved.
Further, in the present embodiment, the stirring blade 5 has a rod-like cross section and is configured to be attached to the stirring shaft 6 at a predetermined interval. However, the stirring blade 6 is provided with a plurality of flat stirring blades 5. It is also possible to attach at intervals of.
In addition, a plurality of stirring rods having a triangular cross section may be attached to the stirring shaft 6 at a predetermined interval.

Here, as shown in FIGS. 1 to 4, the cross-sectional shape of the treatment tank 10 is substantially U-shaped having a semicircular arc portion or more as shown in FIGS. It has become. A stirring shaft 6 is provided in the horizontal direction so as to coincide with the center of the arc of the arc portion.
A plurality of stirring blades 5 are fixed to the stirring shaft 6 at a predetermined interval.
Further, at this time, since water and carbon dioxide gas are generated by stirring more than when the stirring is stopped, the exhaust flow rate of the exhaust fan 16 is increased, and simultaneously with the supply of air from the intake port 17, The gas is discharged to the outside of the processing tank 10.
Thereby, it can prevent that the mixture in the processing tank 10 becomes humid, and it becomes possible to adjust the moisture content of a mixture.
In this embodiment, the exhaust fan 16 is attached to the exhaust duct 16 in the exhaust duct 26 after passing through the deodorizing portion 27 communicating with the exhaust port 18 (18a, 18b, 18c). Yes. Alternatively, a similar result can be obtained by attaching a fan to the intake port 17 and sucking it.

The fan attached to the air inlet 17 may be a hot air fan capable of sending air heated from about 40 ° C. to about 70 ° C. into the processing tank 10.
By attaching a hot air fan to the intake port 17, the temperature of the gas in the treatment tank 10 can be raised.
Since the amount of saturated moisture contained in the gas increases as the temperature of the gas in the treatment tank 10 rises, if the aeration flow rate per hour is the same, more water in the mixture is removed from the treatment tank 10 in a short time. You can go outside.
The attachment of the hot air fan to the intake port 17 is effective as a means for adjusting the moisture content of the mixture when the mixture becomes humid.
Further, the same result as described above can be obtained by providing the exhaust fan 16 in the exhaust duct 26 communicating with the exhaust port 18 (18a, 18b, 18c) and the hot air fan in the intake port 17.

In this way, the waste material and the base material 12 are mixed evenly into the rightmost section (first tank) 10b of the processing tank or the leftmost section (first tank) 10f of the processing tank, and the decomposition process starts. .
When the processed material decomposed in the rightmost section (first tank) 10b or the leftmost section (first tank) 10f increases, the partition plates 11 (11a, 11b, 11c) provided in the processing tank 10 , 11d).
The processed product is a section (second tank) 10c sandwiched between the right end section and the center section (second tank) 10c or a section (second tank) 10e sandwiched between the left end section and the center section, followed by the center section (3 (Tank) It moves to 10d one by one.
When the processed product is accumulated in the central section (third tank) 10d, the processed product can be recovered from the discharge port 35. In the present embodiment, the processing tank 10 is partitioned into five sections by the partition plate 11, but may be partitioned into three sections or more sections as shown in FIG.
A larger number of processing tank compartments is preferable because the waste introduced from the inlet 22 (22a, 22b) is sufficiently processed. The discharge port 35 does not need to be provided in the central partition, and the discharge port 35 may be provided if it is other than the partitions at both ends. For example, in the case of dividing into 6 sections, if the discharge port is provided in the 4th section, the waste thrown in from the rightmost input port is decomposed in 4 sections until it is discharged, while it is input from the leftmost input port. The waste is decomposed in three treatment tanks. It is possible to selectively use waste that is difficult to be decomposed from the rightmost inlet, and waste that is easily decomposed from the leftmost inlet.

Further, the processing tank 10 partitioned by the partition plate 11 is configured to communicate with each other by the notch portions 46 (46a, 46b, 46c, 46d) at the upper part of the partition plate.
By setting it as such a structure, it becomes possible to overflow a processed material with a simple structure.
Moreover, the height of the notch 46 (46a, 46b, 46c, 46d) provided in the partition plate 11 (11a, 11b, 11c, 11d) that partitions the processing tank 10 is such that the tip of the stirring blade 5 is upward. The height is almost the same as the position of the tip in a certain state, and they are all the same height.
By adopting such a configuration, the processed material charged from the charging port 22 (22a, 22b) can be easily overflowed from the first tank to the second tank and the third tank.

Furthermore, it is also possible to control the stirring operation time according to the result measured by the substrate moisture content detection sensor 13. For example, the intermittent operation time of stirring is normally 5 minutes during the 30-minute cycle, but is 2 minutes during the 30-minute cycle when the substrate state is dry.
Thereby, it is possible to prevent the base material 12 from being crushed due to excessive stirring as a necessary and sufficient stirring time, and to extend the life of the base material 12.

Moreover, it becomes possible to adjust the moisture content of the mixture of a base material and a waste material by adjusting a stirring cycle and an exhaust flow rate according to the result measured by the base material moisture content detection sensor 13.
When the inside of the treatment tank 10 becomes humid, anaerobic bacteria grow, generate hydrogen sulfide, etc., and the odor state becomes a bad odor. Therefore, the moisture content of the base material 12 and waste is 20% to 60%. It is desirable to adjust within the range.
Further, when the amount of water increases, the torque required for stirring increases, and the motive force is generated. When the substrate 12 is finely powdered, it tends to be clayy when it contains water.
If the base material 12 becomes clay-like, the decomposition efficiency becomes extremely low. In such a case, the whole or a half or more of the base material 12 needs to be replaced.

Further, the substrate moisture content detection sensor 13 for detecting the waste decomposition state at this time by the moisture content of the substrate is based on the following resistance method.
That is, a pair of electrodes are directly brought into contact with the base material 12 in the treatment tank 10, a voltage is applied between the pair of electrodes, a current flowing between the base materials 12 is measured, and a moisture content of the base material 12 is determined. taking measurement.
Here, since the mixture of the base material 12 and the waste changes to weak alkalinity or weak acidity depending on the type of garbage that is the input waste, the material constituting the electrode in direct contact with the mixture in the resistance method is It is better to use a stainless material excellent in acid resistance and alkali resistance.
In the present embodiment, stainless steel screws that are versatile and inexpensive are used as electrodes.
The substrate moisture content detection sensor 13 may be a heat capacity method combining a heater and a thermistor.
Alternatively, the substrate moisture content detection sensor 13 is composed of a sheet heater 9 as a heating means for heating the treatment tank 10 and a temperature sensor 28 for measuring the temperature of the sheet heater 9 and used for the treatment tank heating control. The configuration may be used as it is. When the moisture content of the mixture of the base material 12 and the waste is large, the thermal conductivity is lowered. When controlling the temperature in the processing tank 10 in a state where the thermal conductivity is lowered, the required time becomes longer.
Thereby, after the temperature of the planar heater 9 reaches a preset temperature threshold, the output of the temperature sensor 28 is changed when the planar heater 9 is operated or stopped. The moisture content of the substrate 12 containing the waste can be measured.
By combining the treatment tank heating control and the base material moisture content detection sensor, it is not necessary to install the base material moisture content detection sensor 13 separately provided in the conventional device, thereby reducing the cost of the device and saving the space. be able to.

Next, when the waste input is interrupted or the input amount is reduced, the substrate 12 may be dried too much by stirring or the like.
At this time, the microorganisms in the base material 12 are not only activated slowly due to drying and the processing efficiency is lowered, but also have the disadvantage that they are scattered when the base material 12 is pulverized to contaminate the surroundings.
Moreover, since the microbe mixed in the fine powder is scattered at this time, it is not preferable for safety and health.
In such a case, the above-mentioned disadvantage can be compensated by preventing fine powder from being discharged outside by the dust filter 25 (25a, 25b) provided at the exhaust port 18 (18a, 18b, 18c).
In addition, the dust filter 25 (25a, 25b) is mechanically engaged with the exhaust port 18 (18a, 18b, 18c) or fixed with a thumbscrew or a snap lock so that it can be removed manually without using an instrument. be able to.
By removing the dust filter 25 (25a, 25b), it is possible to easily clean the fine powder of the base material attached to the dust filter 25 (25a, 25b).
As shown in FIG. 6, the exhaust port 18 (18 a, 18 b, 18 c) is disposed in a dead space on the upper inner surface of the front surface of the treatment tank 10. Specifically, it is disposed in the upper part of the treatment tank 10 that does not hinder the stirring of the stirring blade 5. In addition, by arranging in this way, it does not get in the way when waste is thrown in.
In the present embodiment, a configuration is adopted in which it is disposed on the upper part of the inner surface of the front surface in the treatment tank, but it may be on the rear surface or the left and right sides as long as it is in the treatment tank that does not hinder dead space or stirring.
Further, the odorous air generated from the treatment tank 10 is heated by the catalyst heater 27a in the deodorization unit 27, deodorized using the oxidation catalyst 27b, and exhausted to the outside of the processing machine through the exhaust duct 26.

In this Embodiment, the deodorizing part 27 is provided in the right side board 14 vicinity of the processing tank 10 like FIGS.
An exhaust duct 26 a serving as a pipe in the tank through which the exhaust gas after passing through the deodorizing unit 27 passes is disposed in the treatment tank 10.
In addition, an exhaust duct 26b as a pipe outside the tank is disposed on the left side plate 15 of the processing tank.
In addition, an exhaust duct 26c as a pipe outside the tank is disposed below the processing tank 10. Thus, a configuration is adopted in which the air is discharged to the outside air through the exhaust fan 16. In addition, a duct 32 constituting an air passage is provided outside the exhaust duct 26 a provided in the processing tank 10.
In addition, an intake heat exchanging portion 36 that heats the intake air into the treatment tank in one ventilation path partitioned by a partition wall 38 that partitions the inside of the duct 32, and a circulation that heats the gas circulating in the tank in the other ventilation path. A heat exchange unit 37 is provided.
In addition, the intake heat exchanging section 36 is provided with an outside air port 39 (39a, 39b) for taking in outside air and an intake port 17 for intake into the processing tank 10 at the other end to heat the intake air into the processing tank 10. ing.
The circulation heat exchanging unit 37 is provided with a gas suction port 33 for sucking the gas in the processing tank 10 into the duct 32 and a circulation fan 34 for circulating the gas in the processing tank 10 at the other end. It is configured to circulate.

With this configuration, in the intake heat exchanging unit 36, the outside air sucked from the outside air ports 39 (39a, 39b) is subjected to heat exchange with the high-temperature air (around 280 ° C.) generated from the deodorizing unit 27. Heat is drawn into the tank 10.
Since the amount of saturated moisture contained in the gas increases as the temperature of the gas in the treatment tank 10 rises, if the aeration flow rate per hour is the same, more water in the mixture is removed from the treatment tank 10 in a short time. You can go outside.
In the circulation heat exchange unit 37, the gas in the treatment tank 10 sucked by the circulation fan 34 is heat-exchanged with the high-temperature (about 280 ° C.) air generated from the deodorization unit 27 to heat the gas in the treatment tank 10. be able to.
Further, the gas in the processing tank 10 is circulated by the circulation fan 34, so that the gas temperature in the processing tank 10 rises, and moisture evaporation from the substrate 12 and the processed material is promoted.

Here, when a certain amount of water (water vapor) has only to be discharged out of the processing tank 10 due to an increase in the amount of water contained per 1 m ³ of gas in the processing tank 10, the following is performed. Is possible.
That is, the amount of water contained per 1 m ³ of gas in the treatment tank 10 is increased, and the amount of exhaust from the treatment tank 10 containing these moisture (water vapor) passing through the deodorizing unit 27 can be reduced. .
Therefore, it is possible to select an exhaust fan having a small exhaust capacity and low power consumption at the time of design.
Further, since the amount of exhaust can be reduced, the heating time by the catalyst heater 27a can be reduced to reduce the power consumption, and the electricity cost can be reduced.
Ideally, the water (water vapor) can be discharged most efficiently if the saturated water vapor amount of the gas in the treatment tank 10 can be included (up to 100% in relative humidity).

In the present embodiment, the deodorizing unit 27 has a catalyst heater 27a disposed upstream of the oxidation catalyst 27b such as a platinum alloy, and heats exhaust gas passing through the catalyst heater 27a to a predetermined temperature (in this case, about 280 ° C.). Then, it is deodorized by contacting with the oxidation catalyst 27b.
At this time, the power required for the catalyst heater 27a to raise the temperature of the exhaust gas is roughly proportional to the flow rate of the exhaust gas exhausted from the processing tank 10, and when the flow rate of the exhaust gas may be small, the catalyst heater 27a The amount of power supplied by can be reduced.

In the present embodiment, as is apparent from the above description, a duct 32 that constitutes a gas circulation passage in the processing tank 10 is provided outside the exhaust duct 26 a provided in the processing tank 10.
An intake heat exchanging section 36 is provided in one air passage partitioned by the partition wall 38 that partitions the inside of the duct 32, and the outside air sucked from the outside air ports 39 (39a, 39b) is generated at a high temperature (280) generated from the deodorizing section 27. The air is heated and sucked into the treatment tank 10 after being exchanged with air at around (° C.).
As a result, the mixture in the processing tank 10 is not cooled by the outside air sucked, and the decomposition of the waste proceeds efficiently.
Further, a circulation heat exchange unit 37 is provided in the other ventilation path partitioned by the partition wall 38 partitioning the inside of the duct 32, a gas suction port 33 for sucking the gas in the processing tank 10 into the duct 32, and a processing tank at the other end. A circulation fan 34 for circulating the gas in 10 is provided.
As a result, it is possible to reduce the flow rate of the exhaust gas containing the moisture (water vapor) by the amount of the circulation of the gas in the treatment tank 10 and the improvement of the moisture discharge amount. That is, it is possible to employ an exhaust fan with low power consumption, and it is possible to reduce the power consumption of the deodorization unit 27 by reducing the heating time by the catalyst heater 27a.
Furthermore, after the high-temperature (around 280 ° C.) exhaust gas generated from the deodorization unit 27 passes through the exhaust duct 26a, heat can be reduced into the treatment tank 10 by passing through the exhaust ducts 26b and 26c. The heat given in 27 can be used evenly.
Further, the heat exchange in the exhaust duct 26c leads to a reduction in the operating cost of the planar heater 9.
When the outside air is 25 ° C. in the apparatus of FIG. 2, heat exchange in the exhaust duct 26 c can keep the temperature at about 40 ° C. in the vicinity of the exhaust duct 26 c at the bottom of the treatment tank 10.
Further, by providing the exhaust duct 26 c, the planar heater 9 can reduce heat radiation to other than the processing tank 10.

In the present embodiment, the exhaust fan 16 is configured on the downstream side of the deodorizing unit 27.
This is the ideal gas equation pv = RT
(P: pressure, v: volume, R: gas constant, T: absolute temperature (K))
This is a reflection of the idea.
Since gas generally expands in the isobaric state when heat is applied, the volume does not expand at room temperature, so it easily passes through the deodorizing unit 27, but generates a large resistance in the deodorizing unit 27 at a high temperature. And cannot pass easily.
Therefore, when the exhaust fan 16 is configured upstream of the deodorizing unit 27 as shown in FIG. 7A, the inside of the deodorizing unit 27 is pressurized. The gas that cannot be advanced due to the resistance of the deodorizing unit 27 leaks from a gap generated between the exhaust port 18 (18a, 18b, 18c) and the deodorizing unit 27, and as a result, odor is generated.
Therefore, as shown in FIG. 7B, the exhaust fan 16 is provided on the downstream side of the deodorizing unit 27 to depressurize the inside of the deodorizing unit 27 so that the odor does not leak from a gap in the middle.

Moreover, in this Embodiment, the deodorizing part 27 is comprised in the right side board 14 side of the processing tank, and the exhaust duct 26b is comprised in the left side board 15 side of the processing tank.
If comprised in this way, the heat source given to the base material 12 can give heat not only from the planar heater 9 attached to the lower part of the processing tank 10, but also from the both sides of the processing tank 10 and the upper side by the exhaust duct 26a.
Thereby, the temperature of the base material 12 can be efficiently given from the entire four sides, and the processing efficiency can be improved by reducing the temperature unevenness.
Furthermore, it is more effective to configure the exhaust duct 26c below the processing tank 10.
Moreover, the exhaust duct 26b should just be provided in at least any one among the processing tank side plates 14 and 15, and in at least any one of the processing tank side plates 14 and 15, the processing tank 10 is only connected by the exhaust duct 26b. It is good to heat.
Thereby, it is not necessary to provide a heater on the processing tank side plates 14 and 15, and the apparatus configuration can be simplified and the cost can be reduced.
Here, the deodorizing part 27 and the exhaust duct 26b are not directly applied to the processing tank 10 (processing tank side plates 14 and 15), and it is preferable to provide a gap (or an interposed member).
The reason is as follows. That is, the exhaust in the deodorizing section 27 and the exhaust in the exhaust duct 26b have a high temperature, and when directly applied to the treatment tank, they do not pass through those having a low thermal conductivity such as air. It will be warmed. As a result, the microorganisms that process the waste are killed by high temperatures.

And since the exhaust duct 26b efficiently heats the base material 12 through the left side plate 15 of the processing tank, in this embodiment, the exhaust duct 26b is formed on the side surface of the left side plate 15 of the processing tank with a gap of 5 to 10 mm. It is configured to pass through.
Passing the side surface of the left side plate 15 of the treatment tank is very low in thermal conductivity of air. Therefore, if the exhaust duct is separated from the treatment tank side plate by 5 to 10 mm or more, the heat transferred from the exhaust duct is sufficiently transmitted. It is because it is not possible.
Therefore, as shown in FIGS. 8 (a), 8 (b), 8 (c), and 8 (d), it is possible to pass through a location corresponding to the location where the substrate 12 is carried. desirable. That is, it is preferable that the respective projections formed by projecting the exhaust duct 26b and the stirring region by the stirring blade 5 in the axial direction of the stirring shaft 6 overlap at least partially. Thereby, heat can be positively given to the processing tank 10 also from the side wall, and furthermore, the heat can be efficiently supplied to the base material 12.

Further, since the exhaust duct 26b is configured on the processing tank side plate left 15 side, a space in the width direction of the waste treatment apparatus is required. Therefore, in order to save space, the exhaust duct 26 does not protrude in the width direction from the protruding portion of the bearing 7 that supports the stirring shaft 6. That is, the exhaust duct 26 b is disposed in a region from the left side plate 15 of the processing tank to the vicinity of the end of the bearing 7 in a direction substantially orthogonal to the left side plate 15 of the processing tank.
Here, the cross-sectional shape of the exhaust duct 26b is more effective than the circular shape because the ventilation area can be increased by making the shape of a substantially rectangular shape that hardly protrudes in the width direction of the apparatus.
In this way, by configuring the exhaust duct 26b, it is not necessary to widen the width of the waste treatment apparatus in order to use the exhaust duct 26b, so that space saving can be achieved, resulting in a reduction in material. The cost of the apparatus can be reduced.

Further, the space in which the exhaust duct 26b is provided may be enclosed by the left side plate 15 (outer wall) of the processing tank and the exterior cover 8, and the space of the exhaust duct 26b may be a closed chamber (closed space).
By making the chamber closed, the heat transfer gas can be confined, the unevenness of heat applied to the processing tank side plate left 15 can be reduced, and the entire left side plate 15 of the processing tank can be warmed more effectively.
Furthermore, by setting a boundary with the outside air, it also leads to heat insulation of the waste treatment apparatus. Since the waste heat is used for heating, the operation cost can be reduced and the operation efficiency can be improved.
Further, a partition plate 11 (11a, 11b, 11c, 11d) for partitioning into a plurality of tanks is provided in the processing tank 10, and the waste that has been input overflows sequentially, and is a central processing tank sandwiched between the input ports 22 10d is provided with a discharge port 35 for taking out the residue after the decomposition treatment. Under such a configuration, a duct 32 constituting a gas circulation passage in the processing tank 10 is provided outside the exhaust duct 26 a provided in the processing tank 10.
In addition, the intake air heat exchange section 36 that heats the intake air into the treatment tank is heated in one ventilation path partitioned by the partition wall 38 that partitions the inside of the duct 32, and the gas circulating in the tank is heated in the other ventilation path. A circulating heat exchange unit 37 is provided.
In addition, the intake heat exchanging section 36 is provided with an outside air port 39 (39a, 39b) for taking in outside air and an intake port 17 for intake into the processing tank 10 at the other end to heat the intake air into the processing tank 10. ing.
A gas suction port 33 for sucking the gas in the processing tank 10 into the duct 32 is provided on the input port 22 side, and a circulation fan 34 for circulating the gas in the processing tank 10 is provided on the discharge port 35 side. ing.

Next, in the configuration of the waste treatment apparatus as described above, the input of waste from the input port and the recovery operation of the processed material from the discharge port in the present embodiment to which the characteristic configuration of the present invention is applied will be described. To do.
Waste introduced from the inlet 22 (22a, 22b) into the rightmost compartment (first tank) 10b or the leftmost compartment (first tank) 10f of the processing tank 10 rotates the stirring shaft 6 having the stirring blades 5. Let Thereby, the base material 12 filled in the processing tank 10 is uniformly mixed with stirring, and the decomposition process starts.
When the processed material decomposed in the rightmost section (first tank) 10b or the leftmost section (first tank) 10f increases, the partition plates 11 (11a, 11b, 11c) provided in the processing tank 10 , 11d). In this way, the overflowed product is divided into a section (second tank) 10c sandwiched between the right end and the center (second tank) 10e, or a section (second tank) 10e sandwiched between the left end and the center, and subsequently the center section (third tank) 10d. Move to.
When the processed product is accumulated in the central section (third tank) 10d, the discharge lid 40 can be opened and the processed product can be collected from the discharge port 35.
A magnet 41 is attached to the discharge lid 40. When the discharge lid is opened, the magnet 41 attached to the discharge lid is separated from the discharge lid open / close detection sensor 42, and the discharge lid open / close detection sensor is cut off to discharge the magnet. The control unit 23 can detect that the lid has been opened.
If the stirring motor 1 is rotating when the discharge lid 40 is opened, it stops.
To discharge the processed material from the discharge port 35, the stirring motor 1 rotates by pushing a discharge start switch (not shown), and the stirring blade 5 discharges the processed material in the central section (third tank) 10 d to the discharge port 35. It can be discharged by pushing out from the outside.
At this time, the rotation of the stirring motor can be repeated by alternately rotating in the forward direction and the reverse direction, and the rotation time can also be a fixed time, or the discharge operation can be stopped by operating the switch. Is possible.
In the present embodiment, rotation in one direction in the direction of scraping the processed material with respect to the discharge port 35 is preferable because the discharge time is short.

Here, the discharge lid open / close detection means including the magnet 41 attached to the discharge lid 40 and the discharge lid open / close detection sensor 42 is composed of a magnetic sensor that reacts to magnetism attached to the processing tank 10.
However, this may be detected by an optical sensor provided with a protrusion on the discharge lid 40 and attached to the treatment tank 10 side.
The discharge lid opening / closing detection sensor 42 uses a non-contact magnetic detection sensor in the present embodiment, but may be a mechanical micro switch.
Further, the attachment position of the discharge lid open / close detection sensor 42 can be provided by attaching a detection sensor to the discharge lid 40 side, the treatment tank 10 side, or one of the discharge lid 40 and the treatment tank 10 and attaching a detection member to the other. is there.

In addition, the rightmost compartment (first tank) 10b or the leftmost compartment (first tank) 10f of the treatment tank into which waste is thrown in contains waste water or water accompanying decomposition treatment. The moisture content is as high as 20 to 60% due to the occurrence of the above, and the environment is considered to be easily activated by microorganisms.
However, it is desirable to dry the processed product discharged from the central section (third tank) 10d because the disposal becomes easier in the dry state.
In addition, in the intake heat exchanging unit 36, the outside air sucked from the outside air ports 39 (39 a and 39 b) is heat-exchanged with the high-temperature (about 280 ° C.) air generated from the deodorizing unit 27 and heated and sucked into the treatment tank 10. Is done.
In the circulation heat exchange unit 37, the gas in the treatment tank 10 sucked by the circulation fan 34 is heat-exchanged with the high-temperature (about 280 ° C.) air generated from the deodorization unit 27 to heat the gas in the treatment tank 10. be able to.
Furthermore, the gas in the processing tank 10 is circulated by the circulation fan 34, whereby the gas temperature in the processing tank 10 is increased, and moisture evaporation from the substrate 12 and the processed material is promoted. As a result, the amount of water contained per 1 m ³ of gas in the treatment tank 10 increases, and the ability to evaporate the water contained in the mixture and discharge it to the outside of the mixture is improved.

In addition, here, a gas suction port 33 for sucking the gas in the processing tank 10 into the duct 32 is provided on the inlet 22 (22a, 22b) side, and the gas in the processing tank 10 is supplied on the discharge port 35 side. A circulating fan 34 that circulates is provided. Thereby, the gas in the duct 32 and the processing tank 10 is added to the processing object accumulated in the central section (third tank) 10d of the processing tank by aeration from the low water content side to the high side of the mixture. The gas immediately after the heat exchange can be vented. For this reason, since the gas temperature in the processing tank 10 rises and the water evaporation from the processed material accumulated in the central section (third tank) 10d is promoted, it can be further dried.
In addition, the same effect can be obtained even if the air is directly ventilated to a compartment having a high water content.
Therefore, when the processed product accumulated in the central section (third tank) 10d of the processing tank is taken out from the discharge port 35, the processed product is dried as described above, so that the disposal process becomes easy.

Further, in the present embodiment, as shown in FIG. 2, a duct 32 constituting a gas circulation passage in the processing tank 10 is provided outside the exhaust duct 26 a provided in the processing tank 10. Yes. And the gas suction port 33 provided in the duct 32 for the gas in the processing tank 10 on the side of the charging port 22 is configured to face the opening upward.
By adopting the above configuration, it is possible to prevent the processed material from entering the gas suction port 33 when the base material 12 and the introduced waste are mixed and stirred.

It is a schematic perspective view at the time of mounting | wearing with the exterior cover of the waste disposal apparatus in embodiment of this invention. It is a schematic perspective view which shows the structure of the waste disposal apparatus in embodiment of this invention. It is a schematic sectional drawing of the waste disposal apparatus seen from A view of FIG. It is a schematic diagram which shows the ventilation path when the waste disposal apparatus in embodiment of this invention is seen from the upper surface. It is the schematic diagram seen from the upper surface which shows the modification of the structure of the processing tank of the waste disposal apparatus in embodiment of this invention. It is a schematic diagram when it sees from the side surface which shows the structure of the exhaust port of the waste disposal apparatus in embodiment of this invention. It is a schematic diagram which shows the position of the deodorizing part and exhaust fan of the waste disposal apparatus in embodiment of this invention. It is a figure which shows the piping structure of the waste disposal apparatus in embodiment of this invention, (a)-(d) is a schematic diagram which shows the various modifications of the piping structure. It is explanatory drawing of the structure of the waste disposal apparatus which is a prior art example.

Explanation of symbols

1: Drive motor 2: Small sprocket 3: Chain 4: Large sprocket 5: Agitation blade 6: Agitation shaft 7: Bearing 8 supporting the agitation shaft: Exterior cover (frame)
9: Planar heater (overheating means)
10: treatment tanks 10b, 10c, 10d, 10e, 10f: treatment tank compartment 10a: tank parts 11, 11a, 11b, 11c, 11d: partition plate 12: base material 13: base material moisture content detection sensor 14: treatment tank Right side plate (side wall)
15: Left side plate (side wall) of treatment tank
16: Exhaust fan 17: Intake port 18 (18a, 18b, 18c): Exhaust port 19, 19a, 11b: Magnets 20, 20a, 20b attached to the input lid: Input lid open / close detection sensors 21, 21a, 21b: Input lid 22, 22a, 22b: inlet 23: control unit 24: vent 25: dust filter 26, 26a, 26b, 26c: exhaust duct (pipe)
27: Deodorization part (deodorization means)
27a: catalyst heater 27b: oxidation catalyst 28: temperature sensor 29: outside air intake 30: bottom plate 31: ventilation fan 32: duct 33: gas suction port 34: circulation fan 35: discharge port 36: intake heat exchange unit,
37: Circulating heat exchanging section 38: Partition 39 (39a, 39b): Outside air port 40: Discharge lid 41: Magnet 42 attached to the discharge lid: Discharge lid open / close detection sensor 43: Workpiece conveyance guide 44: Discharge cover 45: Discharge Cover locking part 46 (46a, 46b, 46c, 46d): Notch

Claims (6)

A waste treatment tank divided into a plurality of interiors;
An inlet for introducing waste into the waste treatment tank;
An outlet for discharging the processed material;
Deodorizing means for heating and deodorizing exhaust from the waste,
An exhaust duct for guiding the heated exhaust from the deodorizing means to the outside of the waste treatment tank;
A duct constituting a gas circulation passage in the waste treatment tank for heat exchange with the exhaust duct;
A waste treatment apparatus comprising:
While the waste treatment tank is provided with a plurality of input ports for introducing the waste,
A discharge port for discharging the processed material is provided only in one of the compartments ,
A plurality of gas suction ports of the circulation passage are provided in a section where the input port is provided, and the gas in the waste treatment tank which is circulated through a duct constituting the circulation passage and is heat-exchanged with the exhaust duct is A waste treatment apparatus characterized by ventilating a section having a discharge port .   The waste processing apparatus according to claim 1, wherein the section is configured by three or more sections, and the discharge port is provided in a section other than both ends. It said outlet, waste disposal apparatus according to claim 1 or claim 2, characterized in that provided multiple.   The waste treatment apparatus according to any one of claims 1 to 3, wherein the input port is provided in the section at least at both ends of the waste treatment tank. The duct constituting the circulation passage is divided into two passages of an outside air intake passage and a gas circulation passage in the treatment tank. Waste treatment equipment. The compartments at both ends of the waste treatment tank are constituted by a pair of side walls provided opposite to each other constituting the waste treatment tank,
The waste treatment apparatus according to any one of claims 1 to 5 , wherein the heating deodorizing means is provided on at least one of the side walls, and the exhaust duct is provided on the other side .

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