CN114409193B - Resource type source separation modularized toilet system and method for treating feces by using same - Google Patents
Resource type source separation modularized toilet system and method for treating feces by using same Download PDFInfo
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- CN114409193B CN114409193B CN202210073742.1A CN202210073742A CN114409193B CN 114409193 B CN114409193 B CN 114409193B CN 202210073742 A CN202210073742 A CN 202210073742A CN 114409193 B CN114409193 B CN 114409193B
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Images
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
- C05F3/04—Fertilisers from human or animal excrements, e.g. manure from human faecal masses
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
- C05F3/06—Apparatus for the manufacture
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Sludge (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a resource type source separation modularized toilet system and a method for treating excrement and urine thereof. The urine treatment and recycling unit comprises a clarification module, a multi-effect recycling module, a sedimentation module, a sludge reflux module, a desalting module and a water storage recycling module. According to the invention, each processing unit is arranged in a modularized manner and is connected by matching with a mortise and tenon structure; the source separation technology is adopted for the excrement and urine in the toilet, the urine and the excrement are separated from the source and treated respectively, the pollution of the excrement and urine to the environment is reduced, and the resource utilization efficiency is improved.
Description
Technical Field
The invention relates to the technical field of toilet systems, in particular to a resource type source separation modularized toilet system and a method for treating excrement and sewage by the same.
Background
The common use in daily life is a water-flushing toilet, wherein 5-8L of clean water is used for flushing the toilet every time in the conventional water-flushing toilet, then the water for flushing the toilet is mixed with urine and excrement and flows into a drainage pipe network, and finally flows into a sewage treatment plant for sewage treatment. For areas with lack of water resources, the water flushing of the toilet wastes water resources and also brings burden to subsequent sewage treatment. The research data show that the volume of the excrement and urine is only 1-2% of the total amount of the toilet flushing sewage, but the excrement and urine is the main pollution load in the toilet flushing sewage, the carbon content of the excrement and urine is 60-70% of the total amount, the nitrogen content of the excrement and urine is more than 90%, the phosphorus content of the excrement and urine is more than 80%, and the potassium content of the excrement and urine is 60-70%.
The existing toilet is in the form of a fixed toilet connected with an inlet water pipe network and an outlet water pipe network, so the existing toilet is an integral movable toilet. For a fixed toilet, the floor area is large, the construction cost is high, the buried underground pipe network is easily influenced by other pipe networks, and the pollution load of a sewage treatment plant is increased by toilet flushing water; the movable toilets are integrated in all equipment, inconvenient to carry and install, and incapable of adjusting the number of the toilets according to the passenger flow.
Disclosure of Invention
The invention aims to: the invention aims to provide a resource type source separation modularized toilet system which has the advantages of high-efficiency source separation and pollution treatment, energy conservation and environmental protection; it is another object of the present invention to provide a method for treating fecal sewage utilizing a resource-based source separation modular toilet system.
The technical scheme is as follows: the invention discloses a resource type source separation modularized toilet system, which comprises a fecal and urine source separation unit, a urine treatment and recycling unit and a fecal aerobic humic resource unit, wherein the fecal and urine source separation unit is assembled by adopting a mortise and tenon structure and sequentially connected; the fecal and urine source separation unit comprises a urine collection area and a fecal collection area; the urine treatment and cyclic utilization unit comprises a clarification module connected with the excrement collection area, the clarification module is connected with a multi-effect recycling module connected with the excrement collection area, the multi-effect treatment module is connected with a sedimentation module, a sludge backflow module and a desalination module, wherein the sedimentation module and the sludge backflow module are connected with the desalination module, the desalination module is connected with a water storage recycling module, and the water storage recycling module is connected with the excrement source separation unit.
The invention sets the toilet in a modularized way, can be prefabricated in factories and assembled on site, reduces the labor force for carrying, can increase or reduce the number of the toilets according to the change of the passenger flow, adopts a mortise-tenon structure, firmly combines the components together through the interpenetration combination among the components, does not need complex loading and carrying processes, and combines the components with actual functions.
Further, the system also comprises a sustainable energy utilization unit for providing electric energy supplement for the system, wherein the sustainable energy utilization unit comprises a solar power generation plate, a windmill, a storage battery pack and an off-grid inverter controller, the power generation plate and the windmill are respectively electrically connected with the storage battery pack, and the storage battery pack is electrically connected with the off-grid inverter controller.
Further, the excrement and urine source separation unit comprises a urinal, a flushing opening is arranged at the rear end of the urinal, and a baffle plate for dividing the urinal into a urine collection area and an excrement collection area is arranged at the front end of the urinal; a urine collecting port is arranged in the urine collecting area, and the bottom of the urine collecting port is communicated with a urine discharging pipe; a hole is arranged at the bottom of the urinal in the excrement collecting area and is connected with a bent pipe, and a smashing and cutting type sewage lifting pump for smashing solid substances is arranged on the bent pipe.
Further, the clarification module comprises a multi-format stirring flocculation clarification tank communicated with a fecal collecting area in the fecal and urine source separation unit, an annular baffle is arranged at the upper part of the multi-format stirring flocculation clarification tank, a triangular annular baffle connected with the annular baffle is arranged at the lower part of the multi-format stirring flocculation clarification tank, and an automatic chemical feeder, a motor for stirring and a first atomization deodorizing sterilizer are arranged at the top of the multi-format stirring flocculation clarification tank; the motor is electrically connected with the stirring paddle, and the stirring paddle is arranged in an area surrounded by the triangular annular baffle plate; the automatic dosing machine is connected with a first dosing pipe and a second dosing pipe respectively, the first dosing pipe stretches into the area surrounded by the annular baffle, and the second dosing pipe stretches into the area surrounded by the triangular annular baffle.
Further, the multi-effect recycling module comprises a multi-effect treatment pool of the excrement liquid, which is respectively communicated with the clarification module and the urine collecting area in the excrement source separation unit, wherein a hollow fiber membrane is arranged in the multi-effect treatment pool of the excrement liquid, the hollow fiber membrane is connected with a centrifugal pipeline fan, the centrifugal pipeline fan is used for transporting low pressure to the interior of the hollow fiber membrane for bubble-free aeration, the bottom of the hollow fiber membrane is provided with an aeration head, and the aeration head is sequentially connected with a backwashing pipe and a rotary blower; the top of the multiple-effect treatment pool for the fecal sewage is provided with a second atomization deodorizing and sterilizing machine.
Further, the sedimentation and sludge reflux module comprises a sedimentation tank connected with the multi-effect recycling module, the sedimentation tank is connected with a sludge reflux pump, and the sludge reflux pump is connected with the multi-effect treatment tank.
Further, the desalting module comprises a nanofiltration membrane component for desalting, and a booster pump for extracting water in the sediment and sludge reflux module into the desalting module.
Further, the water storage recycling module comprises a water storage recycling tank, a pipeline type ultraviolet sterilizer connected with the desalting module is arranged above the water storage recycling tank, the water storage recycling tank is sequentially connected with a lifting pump and a flushing pipe, and the flushing pipe is connected with a fecal and urine source separation unit.
Further, the fecal aerobic humification unit comprises a fecal humification tank connected with the clarification module and an electric heating furnace for providing a heat source, a humidity sensor is arranged at the bottom of the fecal humification tank and is electrically connected with the electric heating furnace, and a biological humification microbial inoculum tank and a third atomization deodorizing and sterilizing machine are arranged in the fecal humification tank.
On the other hand, the method for treating the excrement by utilizing the resource type source separation modular toilet system comprises the following steps of:
(1) The fecal and urine source separation unit respectively collects feces and urine;
the excrement enters a clarification module through a crushing and cutting type sewage lifting pump to be flocculated and clarified, large-particle floccules subjected to flocculation treatment are discharged to an excrement aerobic humic resource unit, and treated sewage flows into a multi-effect resource module; wherein the flocculant is polyacrylamide;
the urine is directly discharged to the multi-effect recycling module;
(2) The multi-effect recycling module receives sewage and urine, carries out bubble-free aeration, wherein a biological film attached to the hollow fiber film forms an aerobic layer, an anoxic layer and an anaerobic layer from inside to outside, realizes nitrification and denitrification of the urine, degrades organic matters in the fecal sewage, completes denitrification and dephosphorization, and the treated fecal sewage enters the sedimentation and sludge reflux module;
the sedimentation and sludge reflux module receives the fecal sewage to sediment, the sludge obtained by sedimentation is refluxed to the multi-effect recycling module for recycling, and clear water enters the desalting module for treatment after sedimentation;
the desalting module removes salt, organic matters and chromaticity in the clear water after precipitation to obtain high-concentration concentrated solution and effluent, and the high-concentration concentrated solution flows back to the multi-effect recycling module for treatment; the effluent flows into a water storage recycling module for sterilization treatment, the sterilized pure water is stored in a water storage recycling pool, and the pure water in the water storage recycling pool flows into a excrement and urine source separation unit for flushing a toilet;
(3) The fecal aerobic humification resource unit receives the large-particle floccules flowing out of the clarification module, dries the large-particle floccules until the water content is 40% -60%, and then carries out biological humification to prepare organic fertilizer; wherein the fermentation inoculant adopts lactobacillus: spore bacteria: yeast content 1:1:1, a mixed fermentation inoculant.
Aiming at the problem, the invention provides the toilet capable of carrying out source separation and pollution treatment on the excrement, which not only can reduce the pollution load of the excrement, but also can realize sustainable utilization of the excrement.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: (1) Effectively reduce the pollution load of the excrement and improve the treatment efficiency: the method comprises the steps of separating urine from excrement-doped toilet flushing water at a source by adopting a source separation technology, respectively treating the urine and the excrement-doped toilet flushing water, discharging the urine to an excrement-sewage liquid treatment unit to remove organic matters and nitrogen and phosphorus, performing solid-liquid separation on the excrement-doped toilet flushing water, fermenting the dewatered excrement to prepare fertilizer, and performing cyclic toilet flushing by the excrement-sewage liquid treatment unit, wherein the urine and the excrement-sewage liquid are treated independently by adopting the source separation technology, so that the pollution degree of the excrement-sewage liquid is reduced, the respective high-efficiency treatment is realized, and the resource utilization rate is improved;
(2) The installation is convenient: each processing unit is modularized, each processing module is assembled by adopting a mortise and tenon structure, the modularized toilet reduces a large amount of labor force, compared with the traditional toilet, the modularized toilet reduces a large amount of labor force, the construction period is shortened by more than 50%, the raw material consumption is reduced by 80%, the building rubbish is reduced by more than 70%, and the modularized toilet is convenient to process, can be prefabricated in factories and assembled on site, and is convenient for workers to carry; the modularized toilet is convenient for checking the running condition of equipment, and when a certain component fails, the failed equipment can be checked at any time;
(3) Energy-saving and environment-friendly: the COD and N, P content in urine is very high, and the novel and efficient sewage treatment technology combining the membrane aeration biological reaction technology and the activated sludge method is used for realizing denitrification and dephosphorization of sewage and removal of a large amount of organic matters by combining the foamless aeration mode, the special biological membrane structure with internal and external layering and the activated sludge method; the aeration power efficiency of the bubble-free aeration technology can reach 10kgO 2 /kwh, under suitable conditions, can even reach 14kgO 2 And/kwh, which is 3-4 times that of the traditional aeration mode, and can save 75% of aeration power consumption correspondingly.
Drawings
FIG. 1 is a schematic view of the general plan layout of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of a structure of a fecal source separation unit;
FIG. 4 is a schematic diagram of a clarification module structure;
FIG. 5 is a schematic diagram of a multi-effect recycling module structure;
FIG. 6 is a schematic diagram of the structure of a sedimentation, sludge return module and a desalination module;
FIG. 7 is a schematic view of a water storage reclamation module;
FIG. 8 is a schematic diagram of a fecal aerobic humic resource unit structure;
fig. 9 is a schematic diagram of a sustainable energy utilization unit structure.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
1. A fecal source separation unit; 101. a urinal; 102. a baffle; 103. a urine collecting port; 104. a urination tube; 105. Crushing and cutting type sewage lifting pump; 106. flushing a toilet; 107. underground equipment room; 2. a urine treatment and recycling unit; 201. a multi-format stirring flocculation clarification tank; 202. an automatic dosing machine; 203. a motor; 204. A water inlet pipe; 205. a first separator; 206. stirring paddles; 207. triangular annular baffles; 208. an annular baffle; 209. a first dosing tube; 210. a second dosing tube; 211. a slag discharge pipe; 212. a drainage channel; 213. a drain pipe; 214. a hollow fiber membrane; 215. a bracket; 216. centrifugal pipeline fan; 217. a one-way valve; 218. An air inlet pipe; 219. a rotary blower; 220. an electric valve; 221. an aeration head; 222. a multi-effect treatment pool for the fecal sewage; 223. a back flushing pipe; 224. a fecal sewage drain pipe; 225. a sludge reflux pump; 226. A sedimentation tank; 227. a sludge return pipe; 228. a pipeline type ultraviolet sterilizer; 229. a pure water outlet pipe; 230. A water storage recycling pool; 231. a lift pump; 232. a water flushing pipe; 233. a pressurizing pump; 234. a nanofiltration membrane assembly; 235. a second separator; 236. a water inlet; 237. a water outlet; 238. a steel frame; 239. a water outlet pipe; 240. A concentrate discharge pipe; 241. a third separator; 242. a first atomizing deodorizing sterilizer; 243. a second atomization deodorizing sterilizer; 244. a liquid level control meter; 3. a fecal aerobic humic resource unit; 301. a fecal humification pond; 302. a humidity sensor; 303. an electric heating furnace; 304. a cold air inlet; 305. a hot gas outlet; 306. A biological humification bacteria agent box; 307. a feeding pipe; 308. a fungus agent spray head; 309. a fourth separator; 310. a third atomization deodorizing sterilizer; 4. a sustainable energy utilization unit; 401. a solar power generation panel; 402. a windmill; 403. a battery pack; 404. off-grid inverter controller; 405. inter-device.
As shown in fig. 1 to 9, a resource type source separation modular toilet comprises a fecal and urine source separation unit 1, a urine treatment and recycling unit 2, a fecal aerobic humic resource unit 3 and a sustainable energy utilization unit 4.
Wherein the fecal and urine source separation unit 1 comprises a urine collection area and a fecal collection area; with one specific illustration, including a urinal 101, a shredder-cutter sewage lift pump 105; a baffle plate 102 with the length of 20cm is arranged at the front end of the urinal 101, and the baffle plate 102 divides the urinal 101 into a urine collecting area and a excrement collecting area; the urine collecting area is provided with an opening, the aperture is DN10mm, the lower end of the urine collecting area is provided with a urine collecting opening 103 for collecting urine, and a urine discharging pipe 104 is connected with the urine collecting opening 103 for delivering urine; the excrement and the toilet flushing water in the excrement collecting area cannot be naturally discharged to the multi-format stirring flocculation clarification tank 201 under the action of gravity, a smashing and cutting type sewage lifting pump 105 capable of maximally lifting 20-32L excrement liquid at one time is arranged in an underground equipment room 107, and a cutter at the inlet of the pump breaks up solid matters containing excrement, toilet paper and the like and then lifts the solid matters to the multi-format stirring flocculation clarification tank 201; a toilet flushing port 106 is arranged at the rear end of the urinal 101; the excrement and urine source separation unit 1 separates the urine from the toilet flushing water doped with the excrement at the source, and the urine and the toilet flushing water are treated with high efficiency respectively.
The urine treatment and recycling unit 2 comprises a clarification module, a multi-effect recycling module, a sedimentation module, a sludge reflux module, a desalting module and a water storage recycling module.
Wherein, the clarification module comprises a multi-format stirring flocculation clarification tank 201, an automatic dosing machine 202, a motor 203 for stirring, a first atomization deodorization sterilization machine 242; the opening on the right side of the tank is connected with a water inlet pipe 204, an automatic dosing machine 202 and a motor 203 are placed on a first partition plate 205, the middle of the first partition plate is provided with an opening, the motor 203 is connected with a stirring paddle 206 to drive the stirring paddle 206 to work, a triangular annular baffle 207 is arranged on the lower part of the tank, the opening angle of the baffle is 45 degrees, a first flocculation chamber is arranged in a region between the triangular annular baffle 207 and the lower part of the stirring paddle 206, an annular baffle 208 is connected with the triangular annular baffle 207, a second flocculation chamber is arranged in the inner region of the annular baffle 208, and openings with uniform size are arranged on the baffle; the automatic dosing machine 202 is used for quantitatively adding flocculating agent polyacrylamide into the tank, the automatic dosing machine 202 is connected with two dosing pipes, and a first dosing pipe 209 and a second dosing pipe 210 are respectively added into a first flocculation chamber and a second flocculation chamber; the area below the water inlet pipe 204 is a sludge concentration area, large-particle floccules subjected to flocculation treatment are discharged to a fecal humification tank 301 through a slag discharge pipe 211, the treated sewage floats to the water surface, and flows into a drainage tank 212 and is discharged to a fecal sewage multi-effect treatment tank 222 through a drainage pipe 213; the first atomization deodorization sterilization machine 242 of pond top by the leg joint, the atomization deodorization sterilization machine sprays deodorant fungus agent in whole space, and deodorant fungus agent reacts in the pond with the foul smell to this is deodorant, and the spraying mode is the atomizing mode, so the little that the atomization deodorization sterilization machine was done, easy to assemble.
The multi-effect recycling module comprises a multi-effect treatment tank 222 for the fecal sewage, a hollow fiber membrane 214, a bracket 215, a centrifugal pipeline fan 216, a one-way valve 217, an air inlet pipe 218, a rotary blower 219, an electric valve 220 and an aeration head 221; a second atomizing deodorizing sterilizer 243; the hollow fiber membrane 214 is arranged on the support 215, the support 215 is fixed at the top of the multiple-effect treatment pool 222 for the fecal sewage, the hollow fiber membrane 214 is connected with the air inlet pipe 218 of the centrifugal pipeline fan 216, the centrifugal pipeline fan 216 conveys low pressure into the hollow fiber membrane 214 for bubble-free aeration, the air inlet pipe 218 is provided with a one-way valve 217 for controlling the air flow direction, the centrifugal pipeline fan 216 is arranged in the underground equipment room 107, and the two sides of the underground equipment room 107 are provided with ventilation openings; the centrifugal pipeline fan 216 adopts the model GDF1.4-8, the conveying pressure is 45Pa less, the motor power is 0.003KW less, the noise is 38dB less, and the weight is 4Kg less; the aeration head 221 is arranged at the bottom of the hollow fiber membrane 214, the rotary blower 219 is connected with the aeration head 221 through a back flushing pipe 223, an electric valve is arranged on the back flushing pipe 223, the automatically controlled rotary blower 219 aerates into the tank, the rotary blower 219 performs high-strength short-time flushing, the biological film on the surface of the hollow fiber membrane 214 is removed, and the fecal sewage treatment performance is improved; the right side of the multiple-effect fecal sewage treatment pool 222 is connected with a drain pipe 213 of the multi-grid stirring flocculation clarification tank 201 for water inflow, and the left side is provided with a fecal sewage drain pipe 224 for discharging the treated fecal sewage; the oxygen of the device diffuses outwards from the inner part of the membrane cavity of the hollow fiber membrane 214, and the air inlet direction of the oxygen is opposite to the water inlet direction of the sewage, so that a biological membrane attached to the hollow fiber membrane 214 forms an aerobic layer, an anoxic layer and an anaerobic layer from inside to outside to realize the nitrification and denitrification reaction of urine, degrade organic matters in the fecal sewage, complete denitrification and dephosphorization, and a second atomization deodorization sterilizer 243 is arranged at the top of the multiple-effect fecal sewage treatment tank 222 so as to remove pathogenic microorganisms and odor in the tank; the lower part of the tank is provided with an opening, a urination pipe 104 of the fecal sewage source separation unit is connected with the opening, and urine enters the fecal sewage multi-effect treatment tank 222 for fecal sewage liquid treatment.
The sedimentation and sludge reflux module is positioned at the lower half part and comprises a sedimentation tank 226 and a sludge reflux pump 225; the treated fecal sewage flows in from a fecal sewage drain pipe 224 on the right side of the tank, is precipitated in a precipitation tank 226, forms a layer at the bottom of the precipitation tank 226, forms a clear water layer at the upper part, forms an activated sludge layer at the lower part, and is provided with a sludge reflux pump 225, the sludge reflux pump 225 returns sludge to the fecal sewage multi-effect treatment tank 222 through a sludge reflux pipe 227, and the water in the clear water layer is discharged to a water inlet 236 of a pressurizing pump 233 through a pipeline at the upper part of the precipitation tank 226; the multi-effect recycling module and the sediment and sludge reflux module are combined with an activated sludge method and a biomembrane method, so that organic matters, nitrogen and phosphorus in water can be degraded, and the treatment efficiency is improved.
The desalting module comprises a pressurizing pump 233 and a nanofiltration membrane component 234; the pressurizing pump 233 is arranged on the second partition plate 235, the left side of the pressurizing pump 233 is provided with a water inlet 236, the right side of the pressurizing pump 233 is provided with a water outlet 237, the nanofiltration membrane component 234 is supported by a steel frame 238, water enters from the right side of the nanofiltration membrane component 234 and is discharged from a left water outlet pipe 239 to a water inlet of the pipeline type ultraviolet sterilizer 228 after membrane treatment, the left upper part of the nanofiltration membrane component 234 is provided with a concentrated solution discharge pipe 240, and the concentrated solution discharge pipe 240 discharges the high-concentration concentrated solution generated after the treatment to the multiple-effect fecal sewage treatment tank 222 again; the nanofiltration biological membrane can remove organic matters and chromaticity in the fecal sewage liquid, reduce the hardness of the fecal sewage liquid and remove salt in urine with high efficiency.
The water storage recycling module comprises a pipeline type ultraviolet sterilizer 228, wherein the pipeline type ultraviolet sterilizer 228 is arranged on a third partition plate 241 at the upper part of the water storage recycling tank 230, and the right side of the pipeline type ultraviolet sterilizer 228 is provided with a water inlet which is connected with a water outlet pipe 239; the left side is a water outlet, which is connected with a pure water outlet pipe 229, the pure water outlet pipe 229 discharges pure water sterilized by a pipeline type ultraviolet sterilizer 228 to a water storage recycling pool 230, the pipeline type ultraviolet sterilizer with the model ZXB-RD150 is adopted, the rated flow is 1.7-2.2L/S, the power is 150w, the shell size diameter multiplied by the length is 102 multiplied by 1610mm, the water inlet and outlet pipe DN50 is adopted, the removal rate of viruses and bacteria can reach more than 99.99 percent, the sterilization is fast, no side effect is caused, and the physical property and the chemical property of the water are not changed; the lifting pump 231 is arranged in the underground equipment room 107, pure water enters the toilet flushing port 106 through the flushing pipe 232 connected with the lifting pump 231 to flush a toilet, the liquid level control meter 244 is arranged on the inner wall of the water storage recycling tank 230, the liquid level is automatically controlled according to the water demand, when the water level in the water storage recycling tank 230 is lower than the minimum required water level of the liquid level control meter 244, the lifting pump 231 immediately stops working, and when the liquid level returns to the safe water level of the liquid level control meter 244, the lifting pump 231 starts working; the urine treatment and recycling unit 2 is used for removing pollutants from the toilet flushing water after urine and solid-liquid separation, and comprises the steps of effectively removing COD, N, P, SS, chromaticity and odor in the toilet flushing water and recycling the treated water to realize the recycling of the water; the urine treatment and recycling unit 2 is formed by combining a plurality of modules, has small occupied area and convenient treatment process, and can timely check the treatment operation condition and the usage amount of the medicament.
The fecal aerobic humic resource unit 3 comprises a fecal humification tank 301, an electric heating furnace 303, a biological humification microbial inoculum box 306 and a third atomization deodorization sterilization machine 310; the discharged sludge treated by the multi-format stirring flocculation clarification tank 201 is discharged to the fecal humification tank 301 through the slag discharge pipe 211, the water content is about 98 percent, the sludge is fermented, the water content of the sludge is 40 to 60 percent, the air content is reduced due to the over high water content, the piling temperature is reduced, and a odorized intermediate product is formed; a humidity sensor 302 is arranged at the bottom of the tank to detect the water quantity of the discharged sludge; an electric heating furnace 303 is arranged in the underground equipment room 107, a cold air inlet 304 is arranged on the right side of the electric heating furnace 303, and a hot air outlet 305 is arranged on the upper part of the electric heating furnace 303; the humidity sensor 302 controls the operation of the electric heating furnace 303 through a monitoring device; the fourth baffle 309 is arranged at the top of the tank, the biological humic bacteria agent box 306 is arranged on the baffle, the feeding pipe 307 is connected with the biological humic bacteria agent box 306, the bacteria agent spraying head 308 is arranged at the bottom of the feeding pipe 307, and the fermentation bacteria agent adopts lactic acid bacteria: spore bacteria: yeast content 1:1:1, performing biological humification on the excrement to prepare an organic fertilizer, so as to realize recycling treatment of the excrement; a third atomization deodorizing and sterilizing machine 310 is arranged on the side wall of the fecal humification tank 301 to remove pathogenic microorganisms and odor in the tank; the fecal aerobic humic resource unit 3 carries out fermentation of organic fertilizer on the fecal after solid-liquid separation, thereby realizing resource utilization of the fecal.
The sustainable energy utilization unit 4 comprises a sustainable energy receiving device: a solar power generation panel 401, a windmill 402, a storage battery 403, and an off-grid inverter controller 404; a solar power generation plate 401 and a windmill 402 made of photosensitive materials are placed above a roof so as to receive sunlight and wind energy; the storage battery 403 and the off-grid inverter controller 404 are arranged between the devices, the storage battery 403 stores the received electric energy, the off-grid inverter controller 404 converts the direct current into alternating current, and the alternating current provides electric energy for the electric lamps of the toilet and the treatment devices of the sewage and excrement treatment units of the toilet, such as the crushing and cutting type sewage lifting pump 105, the motor 203, the rotary blower 219 and the like; because the toilet occupies a limited area, the solar power generation panel 401 and the windmill 402 have smaller design scale, the module generates less electric energy, and the electric energy generated by the module is used as the electric energy required by the whole equipment to be supplemented, so that some electric quantity can be reduced.
The method for treating the excrement by utilizing the resource type source separation modular toilet system comprises the following steps of:
(1) The fecal and urine source separation unit respectively collects feces and urine;
the excrement enters a clarification module through a crushing and cutting type sewage lifting pump to be subjected to deflocculating and clarification, the flocculating agent is polyacrylamide, large-particle floccules subjected to flocculation treatment are discharged to an excrement aerobic humic resource unit, and the treated sewage flows into a multi-effect resource module; the urine is directly discharged to the multi-effect recycling module;
(2) The multi-effect recycling module receives sewage and urine, carries out bubble-free aeration, wherein a biological film attached to the hollow fiber film forms an aerobic layer, an anoxic layer and an anaerobic layer from inside to outside, realizes nitrification and denitrification of the urine, degrades organic matters in the fecal sewage, completes denitrification and dephosphorization, and the treated fecal sewage enters the sedimentation and sludge reflux module;
the sedimentation and sludge reflux module receives the fecal sewage to sediment, the sludge obtained by sedimentation is refluxed to the multi-effect recycling module for recycling, and clear water enters the desalting module for treatment after sedimentation;
the desalting module removes salt, organic matters and chromaticity in the clear water after precipitation to obtain high-concentration concentrated solution and effluent, and the high-concentration concentrated solution flows back to the multi-effect recycling module for treatment; the effluent flows into a water storage recycling module for sterilization treatment, the sterilized pure water is stored in a water storage recycling pool, and the pure water in the water storage recycling pool flows into a excrement and urine source separation unit for flushing a toilet;
(3) And the fecal aerobic humification resource unit receives the large-particle floccules flowing out of the clarification module, dries the large-particle floccules until the water content is 40% -60%, and then carries out biological humification to prepare the organic fertilizer.
Claims (7)
1. The resource type source separation modularized toilet system is characterized by comprising a fecal and urine source separation unit (1), a urine treatment and recycling unit (2) and a fecal aerobic humic resource unit (3) which are assembled by adopting a mortise and tenon structure and are sequentially connected, wherein the fecal aerobic humic resource unit (3) is used for manufacturing organic fertilizer; the fecal source separation unit (1) comprises a urine collection area and a fecal collection area; the urine treatment and recycling unit (2) comprises a clarification module connected with the excrement collecting area, the clarification module is connected with a multi-effect recycling module connected with the excrement collecting area, the multi-effect recycling module is connected with a sedimentation, sludge backflow module and a desalination module, wherein the sedimentation, sludge backflow module is connected with the desalination module, the desalination module is connected with a water storage recycling module, and the water storage recycling module is connected with the excrement and urine source separation unit (1);
the excrement and urine source separation unit (1) comprises a urinal (101), wherein a toilet flushing opening (106) is formed in the rear end of the urinal (101), and a baffle (102) for dividing the urinal (101) into a urine collection area and a excrement collection area is arranged at the front end of the urinal (101); a urine collecting opening (103) is arranged in the urine collecting area, and a urine discharging tube (104) is communicated with the bottom of the urine collecting opening (103); a hole is formed in the bottom of a urinal (101) in the excrement collecting area and is connected with a bent pipe, and a crushing and cutting type sewage lifting pump (105) for crushing solid substances is arranged on the bent pipe;
the multi-effect recycling module comprises a multi-effect treatment tank (222) for the fecal sewage, a hollow fiber membrane (214), a bracket (215), a centrifugal pipeline fan (216), a one-way valve (217), an air inlet pipe (218), a rotary blower (219), an electric valve (220) and an aeration head (221); a second atomizing deodorizing sterilizer (243); the hollow fiber membrane (214) is arranged on the support (215), the support (215) is fixed at the top of the multiple-effect treatment pool (222) for the fecal sewage, the hollow fiber membrane (214) is connected with the air inlet pipe (218) of the centrifugal pipeline fan (216), the centrifugal pipeline fan (216) conveys low pressure into the hollow fiber membrane (214) for bubble-free aeration, the air inlet pipe (218) is provided with a one-way valve (217) for controlling the air flow direction, the centrifugal pipeline fan (216) is arranged between underground equipment (107), and ventilation openings are arranged at two sides of the underground equipment (107); the centrifugal pipeline fan (216) adopts the model GDF1.4-8, the conveying pressure is 45Pa less, the motor power is 0.003KW less, the noise is 38dB less, and the weight is 4Kg less; the aeration head (221) is arranged at the bottom of the hollow fiber membrane (214), the rotary air blower (219) is connected with the aeration head (221) through a back flushing pipe (223), an electric valve is arranged on the back flushing pipe (223), the rotary air blower (219) which is automatically controlled aerates the tank, the rotary air blower (219) performs high-strength short-time flushing to remove the biological membrane on the surface of the hollow fiber membrane (214), and the fecal sewage treatment performance is improved; the right side of the multi-effect fecal sewage treatment pool (222) is connected with a drain pipe (213) of the multi-grid stirring flocculation clarification pool (201) for water inflow, and the left side is provided with a fecal sewage drain pipe (224) for discharging the treated fecal sewage; the oxygen of the equipment diffuses from the inside of a membrane cavity of the hollow fiber membrane (214) to the outside of the membrane, the air inlet direction of the oxygen is opposite to the water inlet direction of sewage, so that a biological membrane attached to the hollow fiber membrane (214) forms an aerobic layer, an anoxic layer and an anaerobic layer from inside to outside, the nitrification and denitrification reaction of urine are realized, organic matters in the fecal sewage are degraded, denitrification and dephosphorization are completed, and a second atomization deodorization sterilization machine (243) is arranged at the top of a multiple-effect fecal sewage treatment tank (222) so as to remove pathogenic microorganisms and odor in the tank; the lower part of the tank is provided with an opening, a urination pipe (104) of the excrement and urine source separation unit is connected with the opening, and urine enters the excrement and urine liquid multi-effect treatment tank (222) for excrement and urine liquid treatment;
the sedimentation and sludge reflux module is positioned at the lower half part and comprises a sedimentation tank (226) and a sludge reflux pump (225); the treated fecal sewage flows in from a fecal sewage drain pipe (224) at the right side of the tank, is precipitated in a precipitation tank (226), forms a layer at the bottom of the precipitation tank (226), forms a clear water layer at the upper part, forms an activated sludge layer at the lower part, and is provided with a sludge reflux pump (225), the sludge reflux pump (225) reflux the sludge to a fecal sewage multi-effect treatment tank (222) through a sludge reflux pipe (227), and the water of the clear water layer is discharged to a water inlet (236) of a pressurizing pump (233) through a pipeline at the upper part of the precipitation tank (226); the multi-effect recycling module and the sediment and sludge reflux module are combined with an activated sludge method and a biomembrane method, so that organic matters, nitrogen and phosphorus in water can be degraded, and the treatment efficiency is improved.
2. The resource type source separation modular toilet system according to claim 1, further comprising a sustainable energy utilization unit (4) for providing electric energy supplement to the system, the sustainable energy utilization unit (4) comprising a solar power panel (401), a windmill (402), a battery pack (403) and an off-grid inverter controller (404), wherein the solar power panel (401) and the windmill (402) are electrically connected to the battery pack (403) respectively, and the battery pack (403) is electrically connected to the off-grid inverter controller (404).
3. The resource type source separation modular toilet system according to claim 1, wherein the clarification module comprises a multi-format stirring flocculation clarification tank (201) communicated with a fecal collecting area in the fecal and urine source separation unit (1), an annular baffle (208) is arranged at the upper part of the multi-format stirring flocculation clarification tank (201), a triangular annular baffle (207) connected with the annular baffle (208) is arranged at the lower part of the multi-format stirring flocculation clarification tank (201), and an automatic chemical feeder (202), a motor (203) for stirring and a first atomization deodorization sterilizer (242) are arranged at the top of the multi-format stirring flocculation clarification tank (201); the motor (203) is electrically connected with the stirring paddle (206), and the stirring paddle (206) is arranged in an area surrounded by the triangular annular baffle plate (207); the automatic dosing machine (202) is connected with a first dosing pipe (209) and a second dosing pipe (210) respectively, the first dosing pipe (209) stretches into the area surrounded by the annular baffle plate (208), and the second dosing pipe (210) stretches into the area surrounded by the triangular annular baffle plate (207).
4. The resource type source separation modular toilet system according to claim 1, wherein the desalination module comprises a nanofiltration membrane assembly (234) for desalination, a booster pump (233) for extracting water from the sediment, sludge recirculation module into the desalination module.
5. The resource type source separation modularized toilet system as claimed in claim 1, wherein the water storage recycling module comprises a water storage recycling tank (230), a pipeline type ultraviolet sterilizer (228) connected with the desalination module is arranged above the water storage recycling tank (230), the water storage recycling tank (230) is sequentially connected with a lifting pump (231) and a flushing pipe (232), and the flushing pipe (232) is connected with the excrement and urine source separation unit (1).
6. The resource type source separation modularized toilet system according to claim 1, wherein the fecal aerobic humification unit (3) comprises a fecal humification tank (301) connected with a clarification module and an electric heating furnace (303) for providing a heat source, a humidity sensor (302) is arranged at the bottom of the fecal humification tank (301), the humidity sensor (302) is electrically connected with the electric heating furnace (303), and a biological humification bacteria agent tank (306) and a third atomization deodorization sterilization machine (310) are arranged in the fecal humification tank (301).
7. A method of treating fecal sewage using the resource-based source separation modular toilet system of any of claims 1-6 comprising the steps of:
(1) The fecal and urine source separation unit respectively collects feces and urine;
the excrement enters a clarification module through a crushing and cutting type sewage lifting pump to be flocculated and clarified, large-particle floccules subjected to flocculation treatment are discharged to an excrement aerobic humic resource unit, and treated sewage flows into a multi-effect resource module;
the urine is directly discharged to the multi-effect recycling module;
(2) The multi-effect recycling module receives sewage and urine, carries out bubble-free aeration, wherein a biological film attached to the hollow fiber film forms an aerobic layer, an anoxic layer and an anaerobic layer from inside to outside, realizes nitrification and denitrification of the urine, degrades organic matters in the fecal sewage, completes denitrification and dephosphorization, and the treated fecal sewage enters the sedimentation and sludge reflux module;
the sedimentation and sludge reflux module receives the fecal sewage to sediment, the sludge obtained by sedimentation is refluxed to the multi-effect recycling module for recycling, and clear water enters the desalting module for treatment after sedimentation;
the desalting module removes salt, organic matters and chromaticity in the clear water after precipitation to obtain high-concentration concentrated solution and effluent, and the high-concentration concentrated solution flows back to the multi-effect recycling module for treatment; the effluent flows into a water storage recycling module to be sterilized by a pipeline type ultraviolet sterilizer, sterilized pure water is stored in a water storage recycling pool, and the pure water in the water storage recycling pool flows into a feces-urine source separation unit to flush a toilet;
(3) And the fecal aerobic humification resource unit receives the large-particle floccules flowing out of the clarification module, dries the large-particle floccules until the water content is 40% -60%, and then carries out biological humification to prepare the organic fertilizer.
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