JP5901050B2 - Circulating flush toilet - Google Patents

Description

  The present invention relates to a circulating flush toilet that includes a septic tank, a middle water tank, and the like and purifies and recirculates excreta discharged from a toilet.

  Conventionally, there is a circulating flush toilet as a toilet suitable for use in a disaster occurrence area such as an earthquake. Sanitary measures and responses after the earthquake disaster may be very slow, and in normal flush toilets, water and sewage pipes are severed or water facilities do not function for a long time. However, when it is difficult to dispose of excrement and it is dropped or buried in the ground as it is, the hygiene is deteriorated, but this is not the case in the circulating flush toilet.

  In addition, when setting up toilet facilities at parks or event venues, or when setting up toilet facilities at beaches or auto campsites that are not fully equipped with water supply facilities, circulating flush toilets are suitable for cost reasons. It will be.

  As such a circulating flush toilet, for example, a toilet equipped with a washing water tank is installed on the second floor or the first floor of the building, and a septic tank or the like is placed on the ground below the first or first floor of the building. There exists what installed the middle water tank (patent documents 1 and 2).

  Furthermore, as a circulating flush toilet as described above, a toilet equipped with a flush water tank is installed on the floor of the building, and the entire tank body of each of the septic tank and the middle water tank is embedded in the ground near the building. There is something installed (Patent Document 3).

  Therefore, such circulating flush toilets can be used even when water and sewage pipes are severed in the event of a disaster such as an earthquake, or when water facilities are not fully equipped in parks, event venues, beaches, auto-caps, etc. Can be used as an optimal toilet.

Japanese Patent Laid-Open No. 10-54067 Japanese Patent Laid-Open No. 10-77673 JP 2002-45872 A

  The circulating flush toilets described in the above-mentioned conventional Patent Documents 1 and 2 have a septic tank and a central water tank installed on the ground under the floor of the building, so that the installation does not require excavation work etc. Yes. In addition, since the water supply and drainage pipes and connection pipes that are piped to these septic tanks and middle water tanks are also installed on the ground, these installation work can be performed easily and the construction costs are reduced, as is the case with the septic tank and middle water tanks. .

  However, in the circulating flush toilets described in Patent Documents 1 and 2, when a large-scale earthquake occurs, the septic tank and the middle water tank are unstable because they are installed on the ground under the floor of the building, In many cases, it cannot withstand the vibration of an earthquake, and it often breaks and does not operate.

  Furthermore, the circulation flush toilet described in the above-mentioned conventional patent document 3 is stable because the septic tank and the central water tank are all buried in the ground near the building, and a large-scale earthquake occurred. In some cases, it can withstand earthquake vibrations and is less likely to become inoperable without being damaged.

  However, in the circulating flush toilet described in Patent Document 3, since the septic tank and the middle water tank are buried and installed in the vicinity of the building, the installation requires excavation work and is troublesome. Had problems. In addition, since the water supply / drainage pipes and connection pipes that are piped to the septic tank and the middle water tank are also embedded and installed in the ground, the installation work is troublesome.

  Furthermore, since the circulating flush toilets described in the above-mentioned conventional patent documents 1 to 3 are sent directly to a septic tank and processed in this septic tank, a septic tank with excellent processing capability is provided. Necessary, there are problems such as high equipment costs and an increase in septic tank size.

  Therefore, the present invention solves the above-mentioned conventional problems, and can easily install septic tanks and middle water tanks, and can easily install water supply / drainage pipes and connection pipes to be connected to these septic tanks and middle water tanks. Even if a large-scale earthquake occurs, it can withstand vibrations of the earthquake, it will not break, it will rarely become inoperable, the equipment cost will be high, and the septic tank will be large It was made for the purpose of providing a circulating flush toilet that does not change.

The circulating flush toilet according to the present invention includes a toilet 1, a wash water tank 2 for storing wash water supplied to the toilet 1, a pumping tank 3 for storing discharge from the toilet 1, and the pumping tank 3. A septic tank 4 for purifying the supernatant liquid, a supernatant liquid pipe 5 for allowing the supernatant liquid to flow into the septic tank 4 from the pumping tank 3, a middle water tank 6 for storing the middle water purified by the septic tank 4, A circulation device 7 that circulates the middle water stored in the water tank 6 to the washing water tank 2, and the pumping tank 3, the septic tank 4, and the middle water tank 6 have a part of each tank body underground. The filter medium 16 is provided on the entire surface near the upper portion of the pumping tank 3, which is embedded , and this filter medium 16 is more than the inlet 10 a of the discharge pipe 10 provided below the toilet 1. Above, for the supernatant And so as to be positioned below the inlet 5a of the tube 5.

  In the circulating flush toilet of the present invention, the circulation device 7 is supplied with electric power from a solar power generator 8 installed on the roof R of the building H.

  The circulating flush toilet of the present invention includes a bathroom B and a solar water heater 9 for supplying hot water to the bathroom B. The bathroom B is installed on the floor of a building H, and the solar water heater 9 is installed on the roof R of the building H.

  Since the circulating flush toilet according to the present invention is configured as described above, the septic tank and the middle water tank can be easily installed, and the water supply and drainage pipes, connection pipes, and the like installed in the septic tank and the middle water tank are installed. Since the work can be done easily, the construction cost is reduced.

  Furthermore, the circulating flush toilet according to the present invention can withstand earthquake vibrations even in the event of a large-scale earthquake. It is also very suitable for performing.

  Further, the circulating flush toilet according to the present invention does not require a septic tank that is particularly excellent in purification capacity, and does not increase the equipment cost or increase the size of the septic tank.

It is explanatory drawing which shows one Embodiment of the circulation type flush toilet of this invention. It is principal part sectional drawing of the pumping tank with which the circulation type flush toilet of this invention is equipped. It is explanatory drawing which shows other embodiment of the circulation type flush toilet of this invention. It is explanatory drawing which shows other embodiment of the circulation type flush toilet of this invention.

  Hereinafter, the form for implementing the circulating flush toilet of this invention is demonstrated in detail based on drawing.

  As shown in FIGS. 1 to 3, the circulating flush toilet according to the present invention stores a toilet 1, a wash water tank 2 for storing wash water to be supplied to the toilet 1, and discharges from the toilet 1. A pumping tank 3, a purification tank 4 for purifying the supernatant liquid of the pumping tank 3, a supernatant liquid pipe 5 for allowing the supernatant liquid to flow into the purification tank 4 from the pumping tank 3, and middle water purified in the purification tank 4 And a circulation device 7 that circulates the intermediate water stored in the intermediate water tank 6 to the wash water tank 2.

  The pumping tank 3, the septic tank 4 and the middle water tank 6 are installed such that a part of each tank body is buried in the ground. Therefore, these pumping tank 3, septic tank 4 and middle water tank 6 are installed in a more stable state than simply being installed on the ground.

  Further, the pumping tank 3, the septic tank 4 and the middle water tank 6 are provided with ribs r projecting in the middle of the side peripheries of the respective tank bodies, and at least the ribs r are embedded in the ground. . If it does in this way, since the rib r will press down the ground at the time of installation, the said drawing tank 3, the purification tank 4, and the middle water tank 6 will be installed in the more stable state. The ribs r can be formed as projecting portions when the tank bodies are divided into upper and lower parts and joined together by welding, but the tank bodies are joined together in this way. In the case where the tank is integrally formed from the beginning, the rib material is welded to the side periphery of the tank body.

  In the illustrated embodiment, the toilet 1 is installed on the floor of the building H in the plurality of toilet rooms T, and the cleaning tank 2 is provided immediately above the toilet 1. The pumping tank 3, the septic tank 4 and the middle water tank 6 are installed under the floor of the building H.

  The building H can be a prefabricated type in which the processed building materials are assembled on site, and usually has a floor F slightly higher than the floor of the house, and goes up and down the stairs S to enter and exit. Like to do. A rain gutter (not shown), a solar power generator 8 and a solar water heater 9 described later are installed on the roof R of the building H.

  The manure discharged together with the washing water from the toilet 1 is guided to the pumping tank 3 through the discharge pipe 10 and stored in the pumping tank 3.

  In the pumping tank 3, the stored discharge is pumped before it becomes full. When the stored amount is exceeded, the supernatant liquid is sent to the purification tank 4 through the supernatant liquid pipe 5 and purified. Therefore, it is used again as flush water for the toilet 1.

  In the septic tank 4, in addition to the supernatant liquid of the pumping tank 3, the water in the river, pond, pool, etc. is introduced and purified from the inlet 11 provided on the upper side of the side trunk, and the flushing water of the toilet 1 is insufficient. In this case, the purified water is guided to the middle water tank 6 through the outflow pipe 12 and stored in the middle water tank 6.

  In the middle water tank 6, the rainwater stored in the rainwater storage tank 14 is pumped up through the drainage pipe 13 of the rain gutter installed on the roof R of the building H at the time of raining, and along with the purified water from the septic tank 4 Stored. When the middle water tank 6 is filled with purified water or rainwater, the purified water or rainwater is allowed to overflow and discharged from the discharge pipe 15 provided on the upper side of the side trunk.

  In the circulating flush toilet of the present invention, the pumping tank 3 is located near the upper part of the pumping tank 3, near the inlet 5a of the supernatant liquid pipe 5, and below the inlet 5a. The filter medium 16 is provided so that it may be located in FIG. Below the toilet 1, the exhaust pipe 10 is provided via a connecting pipe 17, and the waste discharged from the input port 10 a of the exhaust pipe 10 is at the time of the discharge. The filter medium 16 can be settled without touching the filter medium 16.

  Although not shown, a filter medium 16 may be provided on the entire surface near the upper portion of the pumping tank 3. In this case, the filter medium 16 is located above the inlet 10a of the discharge pipe 10 provided below the toilet 1 and below the inlet of the inlet 5a of the supernatant liquid pipe 5. Like to do.

  The filter medium 16 is a net-like member or the like, which separates floating substances such as toilet paper so as not to flow into the septic tank 4. It should be noted that floating substances such as toilet paper and sedimented waste are pumped from the discharge port 3a of the pumping tank 3 and discharged to the outside for processing.

  Therefore, in the pumping tank 3, floating substances such as toilet paper and sedimented waste are efficiently pumped, and only the supernatant liquid is sent to the septic tank 4 through the supernatant liquid pipe 5. Therefore, since the processing capacity of the septic tank 4 does not require the processing capacity of the septic tank 4 used in the conventional circulating flush toilet, the septic tank 4 can be downsized and the equipment cost can be kept low.

  The circulation device 7 includes a pump 18, a filter 19, a sterilizer 20, and the like, and is installed on the floor of the building H. After filtering and sterilizing the water stored in the middle water tank 6, the circulation device 7 Water is supplied to the wash water tank 2 of the toilet 1.

  Further, the circulation device 7 is supplied with electric power from an external power source, or is supplied with electric power from a solar power generator 8 installed on the roof R of the building H. This solar power generator 8 is provided with a storage battery (not shown) for charging the generated power, and the storage battery is supplied with power from an external power source in addition to the power generated by the solar power generator 8. The power can be charged.

  As shown in FIG. 4, the circulating flush toilet of the present invention includes a bathroom B adjacent to the toilet room T, and includes a solar water heater 9 that supplies hot water to the bathroom B. Also good.

  The bathroom B is assumed to be installed on the floor of the building H, and the solar water heater 9 is assumed to be installed on the roof R of the building H.

  The bathroom B is provided with a bathtub 21, a shower 22, and the like. Hot water is supplied to the bathtub 21 and the shower 22 from a water heater (not shown) or from the solar water heater 9. Hot water is supplied.

  The waste water from the bathroom B is sent to the discharge pipe 10 through the connecting pipe 17 in the same manner as the discharge from the toilet 1 and together with the discharge from the toilet 1, the discharge pipe The pumping tank 3 is inserted into the pumping tank 3 through the ten inlets 10a.

  The solar water heater 9 is supplied with water from the water supply, supplied with water from the rainwater storage tank 14, or supplied with water from the middle water tank 6.

  Furthermore, in the circulating flush toilet of the present invention, the toilet room T and the bathroom B are provided with an illumination device 23 such as an LED lamp or an air conditioning device 24 such as a ventilation fan. Electric power is also supplied to the lighting device 23 and the air conditioning device 24 from an external power source, or electric power is supplied from the solar power generator 8 installed on the roof R of the building H.

  In the circulating flush toilet of the present invention configured as described above, only a part of each tank body of the pumping tank 3, the septic tank 4 and the middle water tank 6 is embedded in the ground. Therefore, the installation work can be easily performed, and the supernatant liquid pipe 5, the discharge pipe 10, the outflow pipe 12, the discharge pipe 15, etc., which are piped to the pumping tank 3, the septic tank 4 and the middle water tank 6. Since the connecting pipe 17 and the like are installed on the ground, the installation work can be easily performed and the construction cost is reduced.

  Furthermore, the circulating flush toilet according to the present invention is in a stable state because a part of each of the main body of the drawing tank 3, the septic tank 4 and the middle water tank 6 is embedded in the ground, and is in a large scale. Even when an earthquake occurs, it can withstand the vibration of the earthquake, and it will not break and will rarely become inoperable, making it very suitable for living in an evacuation center.

  In addition, the circulating flush toilet of the present invention is particularly excellent in purification capacity because floating substances such as toilet paper and sedimented waste are efficiently pumped in the pumping tank 3 and only the supernatant liquid is sent to the septic tank 4. The septic tank 4 is not required, and the equipment cost is not increased, and the septic tank 4 is not enlarged.

DESCRIPTION OF SYMBOLS 1 Toilet 2 Washing water tank 3 Pumping tank 4 Septic tank 5 Supernatant liquid piping 5a Inlet 6 Middle water tank 7 Circulator 8 Solar power generator 9 Solar water heater 10 Waste piping 10a Input port 16 Filter medium B Bathroom H Building R Roof r rib

Claims (3)

A toilet (1), a wash water tank (2) for storing wash water to be supplied to the toilet (1), a pumping tank (3) for storing discharge from the toilet (1), and this pumping tank ( 3) A purification tank (4) for purifying the supernatant liquid, a supernatant liquid pipe (5) for allowing the supernatant liquid to flow from the pumping tank (3) into the purification tank (4), and the purification tank (4). A middle water tank (6) for storing the middle water, and a circulation device (7) for circulating the middle water stored in the middle water tank (6) to the washing water tank (2). ), The septic tank (4) and the middle water tank (6) are partly embedded in the ground, and the filter medium (16) is provided on the entire surface near the upper part of the pumping tank (3). ), And the filter medium (16) is discharged from the toilet (1). A top is than inlet of the pipe (10) (10a), circulating flush toilets characterized in that so as to be positioned below the inlet (5a) of the supernatant liquid pipe (5) . The circulation device (7), building (H) of the roof according to claim 1 circulation type wherein power from installed (R) the solar power generator (8) is characterized in that so as to be supplied Flush toilet. It is assumed that a bathroom (B) and a solar water heater (9) for supplying warm water to the bathroom (B) are provided, and the bathroom (B) is installed on the floor of the building (H), and the solar warm water The circulating flush toilet according to claim 1 or 2 , wherein the vessel (9) is installed on the roof (R) of the building (H).

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