CN107417065B - Dirt separation and drying treatment system for intelligent environment-friendly toilet - Google Patents
Dirt separation and drying treatment system for intelligent environment-friendly toilet Download PDFInfo
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- CN107417065B CN107417065B CN201710584224.5A CN201710584224A CN107417065B CN 107417065 B CN107417065 B CN 107417065B CN 201710584224 A CN201710584224 A CN 201710584224A CN 107417065 B CN107417065 B CN 107417065B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
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- Physics & Mathematics (AREA)
- Treatment Of Sludge (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a sewage separating and drying treatment system for an intelligent environment-friendly toilet, which comprises: a vacuum sewage system connected with the intelligent environment-friendly toilet, a collecting box for collecting the excrement discharged by the intelligent environment-friendly toilet, a centrifugal separation dryer, a heat exchanger, a water-vapor separator, a jet mixer, a photocatalyst device and a heating device. The heating device generates high-temperature gas which is sent into the centrifugal separation dryer to sterilize the fecal sewage in the centrifugal separation dryer 200 at high temperature on one hand, and dry the solid in the centrifugal separation dryer 200 to form dry powder to be discharged on the other hand. The sewage separation and drying treatment system for the intelligent environment-friendly toilet has large treatment capacity, and can sterilize the sewage at high temperature during solid-liquid separation so as to recycle the sewage.
Description
Technical Field
The invention relates to the technical field of harmless treatment of excrement, in particular to a sewage separating and drying treatment system for an intelligent environment-friendly toilet.
Background
In order to prevent the pollution of the fecal sewage to the environment, the fecal sewage is generally concentrated and then is pretreated by a physical method, namely, mechanical equipment is adopted to separate solid matters and water in the fecal sewage, the separated solid matters can be directly buried, or the separated solid matters are used as garden greening organic fertilizers after innocent treatment, and the separated sewage is discharged into a municipal sewage treatment plant for treatment.
Currently, there are three main ways for pretreating fecal sewage.
The first treatment method is to use a coarse grid or similar simple equipment to perform solid-liquid separation on the fecal sewage and then discharge the fecal sewage into municipal sewage. The method is simple, but the treatment mode can only separate a small amount of impurities in the fecal sewage, and a large amount of feces can be attached to the separated impurities, and the problems of high pollutant concentration and high solid concentration still exist in the subsequent treatment.
The second treatment mode is that solid impurities in the fecal sewage are firstly crushed and then are subjected to solid-liquid separation through a screw conveyor. Because the crushing is carried out, the moisture content of the separated impurities can be reduced after the squeezing, the organic matter components can be reduced, and the landfill treatment can be directly carried out. However, the treatment mode requires complicated equipment composition and large volume, and is not suitable for being matched with small-sized sewage treatment equipment.
The third treatment mode is to discharge the fecal sewage after solid-liquid separation, desanding and dehydration into a sewage treatment plant. The impurity of this processing mode in to excrement and urine sewage is not smashed, and the grid equipment of system takes place to block up easily, and whole set of processing system structure is more complicated moreover, the volume is bigger, the cost is high and the working costs is expensive.
At present, vehicles such as airplanes, high-speed rails, motor cars and the like generally adopt a vacuum excrement collecting technology to collect excrement sewage. The fecal sewage has the characteristics of high pollutant concentration and high solid concentration, and the treatment difficulty of directly adopting small sewage treatment equipment to treat the sewage is higher. Not only the sewage treatment effect is unsatisfactory, is difficult to realize discharge to reach the standard, but also the equipment is shut down because of frequent occurrence of sludge blockage.
The scheme disclosed in the patent application is that a centrifugal roller is adopted to carry out solid-liquid separation on sucked dirt, the solid dirt is left in the centrifugal roller after the treatment process, the subsequent treatment of the centrifugal roller is very troublesome, and a spraying device is usually required to carry out spraying cleaning after the treatment. On one hand, the treatment process of the solid dirt is complex, and on the other hand, the solid dirt is not suitable for being used in an intelligent environment-friendly toilet adopting a vacuum excrement collecting technology.
Therefore, the solid-liquid separator for fecal sewage disclosed in chinese patent application publication No. CN105174631A comprises a solid-liquid separator, a feeding pipe, a slag discharging device and a water pumping device connected with the solid-liquid separator, and a control device for controlling the solid-liquid separator, the feeding pipe, the slag discharging device and the water pumping device. The solid-liquid separation device comprises a box body and a screen drum which is arranged in the box body and can rotate, biological filler with microbial flora is loaded in the screen drum, a liquid storage area for collecting fecal sewage is arranged in the box body, and the liquid storage area is positioned below the screen drum. The solid-liquid separator for the fecal sewage can effectively intercept and degrade fecal solid matters, facilitates subsequent treatment of the fecal solid matters, and is suitable for miniaturized equipment.
In order to prevent materials from adhering to a filter screen on a screen drum, the box body is also internally provided with an air injection device which is positioned above the screen drum so as to conveniently dredge the screen holes on the screen drum, wherein the excrement sewage solid-liquid separator is disclosed in the Chinese patent application publication No. CN 105174631A.
In order to realize the clean discharge of the gas in the box body, the top of the box body is provided with a gas outlet, and a gas filter is arranged at the gas outlet. The screen drum is provided with an access hole for overhauling the screen drum and filling biological filler into the screen drum, and a cover plate is covered on the access hole. The solid-liquid separation device further comprises a driving device used for driving the screen drum to rotate, the driving device comprises a driving motor arranged outside the box body, a driving gear connected to a driving shaft of the driving motor and a driven gear connected to one side of the screen drum, the driving shaft of the driving motor extends into the box body, and the driving gear and the driven gear are located in the box body and can be in meshing transmission. In order to conveniently spray the excrement and sewage on the biological filler, the outlet end of the feeding pipe extends into the screen drum, the outlet of the feeding pipe is connected with an upward bent elbow pipe, and a flow baffle plate is arranged above the outlet of the elbow pipe. The slag discharging device comprises a spiral slag discharging device and a slag collecting groove communicated with the spiral slag discharging device, the main body of the spiral slag discharging device is arranged outside the box body, a slag inlet pipe of the spiral slag discharging device is communicated to the inside of the screen drum, and a slag discharging pipe of the spiral slag discharging device is communicated to the inside of the slag collecting groove. The water pumping device comprises a water pump, a water pumping pipe and a water outlet pipe, wherein the water pumping pipe and the water outlet pipe are connected with the water pump, the water pumping pump is arranged outside the box body, and the water pumping pipe is communicated to the inside of the liquid storage area. Be provided with liquid level detection device in the liquid storage district, liquid level detection device with the suction pump all with controlling means is connected, controlling means can be according to the liquid level data control that liquid level detection device detected the opening of suction pump stops. The liquid level detection device comprises at least two liquid level sensors, and different liquid level sensors are arranged at different height positions of the liquid storage area.
The solid-liquid separator for fecal sewage disclosed in the Chinese patent application publication No. CN105174631A has low separation efficiency, is not suitable for an intelligent environment-friendly toilet with large fecal amount, and simultaneously, the technique does not perform sterilization and disinfection treatment on the fecal sewage when the fecal sewage is subjected to solid-liquid separation, so that the sewage cannot be recycled.
Disclosure of Invention
The invention aims to solve the technical problems of a solid-liquid separation device used in the feces innocent treatment process, and provides a sewage separation and drying treatment system for an intelligent environment-friendly toilet, which has large feces treatment capacity and can sterilize and disinfect feces at high temperature in the separation process so that separated sewage can be recycled in time after being treated.
The technical problem to be solved by the invention can be realized by the following technical scheme:
used filth separation drying process system in intelligence environmental protection lavatory includes:
a vacuum sewage system connected with the intelligent environment-friendly toilet is connected with a collecting box used for collecting the excrement discharged by the intelligent environment-friendly toilet; the collecting box is also provided with a sewage discharge port, an exhaust port, a first sewage circulating interface and a second sewage circulating interface;
the centrifugal separation dryer is provided with a dirt inlet, a high-temperature gas inlet, a dry powder outlet and a waste liquid outlet, and the dirt inlet on the centrifugal separation dryer is connected with a dirt discharge port on the collection box through a pipeline, a dirt discharge valve group and a sewage pump; the dry powder outlet is connected with a dry powder collector through a pipeline;
the heat exchanger is provided with a first medium inlet, a first medium outlet, a second medium inlet and a second medium outlet, the first medium inlet on the heat exchanger is connected with the waste liquid outlet of the centrifugal separation dryer through a pipeline, the second medium inlet on the heat exchanger is connected with the first dirt circulating interface of the collecting box, and the second medium outlet on the heat exchanger is connected with the second dirt circulating interface of the collecting box;
the water-steam separator is provided with a sewage inlet, a gas outlet and a sewage outlet, the sewage inlet on the water-steam separator is connected with the first medium outlet on the heat exchanger through a pipeline, and the sewage outlet on the water-steam separator is connected with the water treatment device through a blowdown valve and a pipeline;
the jet mixer is provided with a gas inlet, a gas outlet and an air inlet, the gas inlet on the jet mixer is connected with the gas outlet on the water-vapor separator through a pipeline, and the air inlet on the jet mixer is connected with an air filter through an air control valve group; the air filter is provided with an air inlet which is connected with an air compressor through a pipeline;
the photocatalyst device is provided with a gas inlet and a gas outlet, and the gas inlet on the photocatalyst device is connected with the gas outlet on the jet flow mixer through a pipeline;
the heating device is provided with a high-temperature gas outlet and a cold air inlet, and the cold air inlet on the heating device is connected with the gas outlet on the photocatalyst device through a pipeline and a fan; and a high-temperature gas outlet on the heating device is connected with a high-temperature gas inlet on the centrifugal separation dryer through a pipeline.
In a preferred embodiment of the invention, the set of blowoff valves comprises a pressure-controlled blowoff valve and a manual blowoff valve in parallel, wherein the pressure-controlled blowoff valve is controlled by the pressure in the centrifugal separator dryer.
In a preferred embodiment of the invention, the air control valve group comprises a solenoid valve and a manual valve which are connected in parallel.
Due to the adoption of the technical scheme, the sewage separation and drying treatment system for the intelligent environment-friendly toilet has large treatment capacity, and can sterilize the sewage at high temperature during solid-liquid separation so as to recycle the sewage.
Drawings
FIG. 1 is a schematic view of a sewage separating and drying system for an intelligent environmental protection toilet of the present invention.
Detailed Description
Referring to fig. 1, the sewage separating and drying treatment system for the intelligent eco-friendly toilet shown in the figure comprises a collecting box 100 connected to a vacuum drainage system connected to the intelligent eco-friendly toilet for collecting excrement discharged from the intelligent eco-friendly toilet; the collection bin 100 also has a dirt discharge opening 110, an exhaust opening 120, a first dirt circulation interface 130 and a second dirt circulation interface 140.
The dirt separating and drying treatment system for the intelligent environment-friendly toilet further comprises a centrifugal separating dryer 200, a heat exchanger 300, a water-vapor separator 400, a jet mixer 500, a photocatalyst device 600 and a heating device 700.
The centrifugal separation dryer 200 is provided with a dirt inlet 210, a high-temperature gas inlet 220, a dry powder outlet 230 and a waste liquid outlet 240, wherein the dirt inlet 210 on the centrifugal separation dryer 200 is connected with a dirt discharge port 110 on the collection tank 100 through a pipeline, a sewage discharge valve group and a sewage pump P2; the dry powder outlet 230 is connected to a dry powder collector (not shown) through a pipe; the blowoff valve set includes a pressure controlled blowoff valve 250 and a manual blowoff valve 260 connected in parallel, wherein the pressure controlled blowoff valve 250 is controlled by the pressure inside the centrifugal separator dryer 200.
The heat exchanger 300 is provided with a first medium inlet 310, a first medium outlet 320, a second medium inlet 330 and a second medium outlet 340, the first medium inlet 310 on the heat exchanger 300 is connected with the waste liquid outlet 240 of the centrifugal separation dryer 200 through a pipeline, the second medium inlet 330 on the heat exchanger 300 is connected with the first dirt circulating interface 130 of the collecting tank, and the second medium outlet 340 on the heat exchanger 300 is connected with the second dirt circulating interface 140 of the collecting tank 100;
the water-vapor separator 400 is provided with a water inlet 410, a gas outlet 420 and a water outlet 430, the water inlet 410 on the water-vapor separator 400 is connected with the first medium outlet 320 on the heat exchanger 300 through a pipeline, and the water outlet 410 on the water-vapor separator 400 is connected with a water treatment device (not shown in the figure) through a drain valve 440 and a pipeline;
the jet mixer 500 is provided with a gas inlet 510, a gas outlet 520 and an air inlet 530, the gas inlet 510 of the jet mixer 500 is connected with the gas outlet 420 of the water-vapor separator 400 through a pipeline
Then, the air inlet 510 of the jet mixer 500 is connected with an air filter 800 through an air control valve set; the air filter 800 has an air inlet 810, and the air inlet 810 is connected to an air compressor (not shown) through a pipe. The air control valve assembly includes a solenoid valve 540 and a manual valve 550 in parallel.
The photocatalyst device 600 is provided with a gas inlet 610 and a gas outlet 620, and the gas inlet 610 on the photocatalyst device 600 is connected with the gas outlet 520 on the jet mixer 500 through a pipeline.
The heating device 700 has a high temperature gas outlet 710 and a cold air inlet 720, the cold air inlet 720 on the heating device 700 is connected with the gas outlet 620 on the photocatalyst device 600 through a pipeline and a fan 900; the high-temperature gas outlet 710 of the heating device 700 is connected to the high-temperature gas inlet 220 of the centrifugal separator dryer 200 through a pipe.
The working principle of the invention is as follows:
the fecal sewage in the collecting tank 100 is discharged into the centrifugal separation dryer 200 through the sewage pump and the sewage valve set for solid-liquid separation, and in the centrifugal separation dryer 200, during the centrifugal separation process, high-temperature gas such as steam blown in from the high-temperature gas inlet 220 performs high-temperature sterilization on the fecal sewage in the centrifugal separation dryer 200 on one hand, and dries the solid in the centrifugal separation dryer 200 to form dry powder for discharge on the other hand. The water separated by the centrifugal separation dryer 200 enters the heat exchanger 300, and exchanges heat with the fecal sewage sent by the collecting tank 100 to reduce the temperature, the cooled water is sent to the water-vapor separator 400 to be separated from the water vapor, and the separated water is discharged into the water treatment device through the drain valve 440 to be further treated. The separated gas is mixed with air by the jet mixer 500, and then sent to the photocatalyst device 600 for sterilization, the sterilized gas is sent to the heating device 700 by the fan 900 to be heated into high-temperature gas, and the heated high-temperature gas is sent to the centrifugal separation dryer.
The sewage separation and drying treatment system for the intelligent environment-friendly toilet has large treatment capacity, and can sterilize the sewage at high temperature during solid-liquid separation so as to recycle the sewage.
Claims (1)
1. Used filth separation drying process system in intelligence environmental protection lavatory, its characterized in that includes:
a vacuum sewage system connected with the intelligent environment-friendly toilet is connected with a collecting box used for collecting the excrement discharged by the intelligent environment-friendly toilet; the collecting box is also provided with a sewage discharge port, an exhaust port, a first sewage circulating interface and a second sewage circulating interface;
the centrifugal separation dryer is provided with a dirt inlet, a high-temperature gas inlet, a dry powder outlet and a waste liquid outlet, and the dirt inlet on the centrifugal separation dryer is connected with a dirt discharge port on the collection box through a pipeline, a dirt discharge valve group and a sewage pump; the dry powder outlet is connected with a dry powder collector through a pipeline;
the heat exchanger is provided with a first medium inlet, a first medium outlet, a second medium inlet and a second medium outlet, the first medium inlet on the heat exchanger is connected with the waste liquid outlet of the centrifugal separation dryer through a pipeline, the second medium inlet on the heat exchanger is connected with the first dirt circulating interface of the collecting box, and the second medium outlet on the heat exchanger is connected with the second dirt circulating interface of the collecting box;
the water-steam separator is provided with a sewage inlet, a gas outlet and a sewage outlet, the sewage inlet on the water-steam separator is connected with the first medium outlet on the heat exchanger through a pipeline, and the sewage outlet on the water-steam separator is connected with the water treatment device through a blowdown valve and a pipeline;
the jet mixer is provided with a gas inlet, a gas outlet and an air inlet, the gas inlet on the jet mixer is connected with the gas outlet on the water-vapor separator through a pipeline, and the air inlet on the jet mixer is connected with an air filter through an air control valve group; the air filter is provided with an air inlet which is connected with an air compressor through a pipeline;
the photocatalyst device is provided with a gas inlet and a gas outlet, and the gas inlet on the photocatalyst device is connected with the gas outlet on the jet flow mixer through a pipeline;
the heating device is provided with a high-temperature gas outlet and a cold air inlet, and the cold air inlet on the heating device is connected with the gas outlet on the photocatalyst device through a pipeline and a fan; a high-temperature gas outlet on the heating device is connected with a high-temperature gas inlet on the centrifugal separation dryer through a pipeline;
the blowdown valve group comprises a pressure control blowdown valve and a manual blowdown valve which are connected in parallel, wherein the pressure control blowdown valve is controlled by the pressure in the centrifugal separation dryer;
the air control valve group comprises an electromagnetic valve and a manual valve which are connected in parallel.
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CN201710584224.5A CN107417065B (en) | 2017-07-18 | 2017-07-18 | Dirt separation and drying treatment system for intelligent environment-friendly toilet |
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CN201710584224.5A CN107417065B (en) | 2017-07-18 | 2017-07-18 | Dirt separation and drying treatment system for intelligent environment-friendly toilet |
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CN107417065B true CN107417065B (en) | 2021-01-12 |
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CN109970141A (en) * | 2019-04-29 | 2019-07-05 | 江苏旭云物联信息科技有限公司 | A kind of water polluting matter automation quick treatment device suitable for Mobile Equipment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0741235B2 (en) * | 1993-01-28 | 1995-05-10 | 一彦 香味 | Human waste treatment device and automobile and ship having the same |
CN201309444Y (en) * | 2008-09-02 | 2009-09-16 | 张迎秋 | Excrement rapid drying environmental sanitation disposal vehicle |
CN106747691A (en) * | 2015-11-25 | 2017-05-31 | 江苏科化节能环保设备有限公司 | One kind cultivation soiled litter sterilizing and drying integral type disposing technique and system |
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2017
- 2017-07-18 CN CN201710584224.5A patent/CN107417065B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0741235B2 (en) * | 1993-01-28 | 1995-05-10 | 一彦 香味 | Human waste treatment device and automobile and ship having the same |
CN201309444Y (en) * | 2008-09-02 | 2009-09-16 | 张迎秋 | Excrement rapid drying environmental sanitation disposal vehicle |
CN106747691A (en) * | 2015-11-25 | 2017-05-31 | 江苏科化节能环保设备有限公司 | One kind cultivation soiled litter sterilizing and drying integral type disposing technique and system |
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Effective date of registration: 20230719 Address after: Room 1005, 1st Floor, Building 11, No. 10 Yongchun East Road, Datuan Town, Pudong New Area, Shanghai, November 2013 Patentee after: Shanghai Boling Information Technology Co.,Ltd. Address before: Room a-b102-659, 198 Qidi Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang 311200 Patentee before: HANGZHOU SHANGHANG TECHNOLOGY Co.,Ltd. |