CN113550389A - Original ecological treatment method for urban domestic sewage - Google Patents
Original ecological treatment method for urban domestic sewage Download PDFInfo
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- CN113550389A CN113550389A CN202110740933.4A CN202110740933A CN113550389A CN 113550389 A CN113550389 A CN 113550389A CN 202110740933 A CN202110740933 A CN 202110740933A CN 113550389 A CN113550389 A CN 113550389A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B1/042—Details thereof, e.g. valves or pumps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/01—Domestic plumbing installations for fresh water or waste water; Sinks for combinations of baths, showers, sinks, wash-basins, closets, urinals, or the like
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/122—Pipe-line systems for waste water in building
- E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/045—Greywater supply systems using household water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/047—Greywater supply systems using rainwater
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Hydroponics (AREA)
Abstract
The invention discloses an original ecological treatment method of urban domestic sewage, which is characterized in that for water for kitchens and water for toilet bowls, water for kitchen pools flows into a big methane tank through the toilet bowl and the water for the toilet bowl for sedimentation and clarification, clear water and rainwater irrigate plant trees, and biogas residue liquid is applied to farmlands and woodlands; the sewage is flowed into a safety sedimentation tank built downstairs for sedimentation and clarification, the clean water is pumped into a water tank on the top of the building for evaporation, and the water overflowing from the water tank irrigates downstairs aquatic plants. The invention can carry out original ecological treatment on the sewage generated by people living in cities and towns without passing through a sewage treatment plant, so that the treated sewage is recycled, and the invention not only changes the urban sewage into clean water, but also generates huge ecological and economic benefits.
Description
Technical Field
The invention relates to sewage treatment, in particular to an original ecological treatment method of urban domestic sewage.
Background
The urban domestic sewage mainly comprises water for kitchens, water for toilets, water for clothes washing, bath and foot washing and the like, and the sewage is complex in composition and contains very complex chemical components.
Some town sewage is often directly discharged into peripheral water bodies or seeps into the ground without any treatment, so that serious pollution is caused to surface water bodies, even the safety of drinking water is threatened, the town sewage becomes one of important pollution sources of watershed water environments, the pollution is increasingly serious, particularly in northern water-deficient areas of China, the serious water pollution and the water resource shortage become main factors influencing the development of the town economy and society, and therefore, the town sewage treatment and the resource utilization are the primary problems of the town water environment treatment.
In order to protect the water environment, a large amount of capital is invested in the country for pollution control, in recent years, the construction of urban sewage treatment plants is increased, and the treatment of urban domestic sewage is comprehensively enhanced. However, the sewage generated in cities and towns is far away from a sewage treatment plant, the cost for conveying the sewage to the sewage treatment plant by laying a pipeline is high, and the existing small-sized sewage treatment mode is single, so that the sewage cannot be well purified.
The existing urban sewage treatment is mainly carried out by a large-scale sewage treatment plant, and the urban sewage is directly discharged after being treated by the sewage treatment plant to reach the standard. Along with the speed of the urbanization process in China is accelerated, the living standard of residents is continuously improved, the discharge amount of the domestic sewage reaching the standard is very large, and the increasing speed of the discharge amount per year is faster and faster. After the estimation of about 80% of the water supply amount of urban tap water, the urban sewage is changed into urban sewage which is discharged into an urban pipe network, and if the urban sewage is collected and subjected to regeneration treatment, 70% of the urban sewage can be reused for urban water, landscape environment water and the like. In urban construction for a long time, tap water is directly used for road cleaning, fire fighting, urban greening water, vehicle washing, building construction water and the like, so that water resources are wasted and energy is consumed.
With the enhancement of the awareness of environmental protection and energy conservation of people in the social development, the domestic water can effectively save fresh water resources and reduce living expenses after certain treatment.
Disclosure of Invention
Aiming at the defects of the existing urban domestic sewage treatment and discharge, the invention aims to solve the technical problem of providing an original ecological treatment method for urban domestic sewage, which can carry out original ecological treatment on the sewage generated by people living in cities and towns by adopting the original ecological system engineering theory under the condition of not using a sewage treatment plant, so that the treated sewage can be recycled.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the town domestic sewage original ecological treatment method comprises the treatment of kitchen water, water for a toilet and water for washing clothes, bathing and feet, wherein the steps of:
for the treatment of water for kitchens and water for toilet bowls, a kitchen water tank is communicated with a water storage tank of the toilet bowl through a pipeline, so that waste water in the kitchen water tank flows into the toilet bowl; building a plurality of large methane tanks for wheels in a plurality of units in a residential area or a residential area, enabling sewage discharged by a toilet to flow into the methane tanks, and adding crushed plant leaf stems into the methane tanks to enable the crushed plant leaf stems to generate methane; storing clarified water generated in the process of generating biogas by a biogas tank in a large safety pool built beside the biogas tank, wherein the water in the large safety pool and rainwater can be used for watering plants, and biogas residue liquid in the biogas tank is conveyed to farmlands or forest lands by a high-pressure pump through a pipeline and buried;
for the treatment of water for toilets and water for washing clothes, bathes and feet, one or more safe sedimentation tanks are built in several units or one cell in the downstairs, one end of the bottom of each safe sedimentation tank is higher, the other end of the bottom of each safe sedimentation tank is lower, each safe sedimentation tank is divided into three adjacent small tanks, a groove is respectively arranged at the lower part of the bottom of each small tank for conveniently sucking and sucking sediments, and the sediments are used as raw materials; the water for toilet and the water for washing clothes, bathing and feet are flowed into a pool with a high bottom of the safe sedimentation tank through another set of pipelines, namely a first small pool; the clarified water in the third small pond is pumped into a plurality of durable water tanks built on the roof by water pump for solarization evaporation and wind blowing.
In order to prevent oil stains from blocking a pipeline between a kitchen sink and a toilet bowl, when water for a kitchen and the toilet bowl is treated, a loach is placed in a connecting pipeline between the kitchen sink and a water storage tank of the toilet bowl, and two ends of the pipeline are blocked and sewage can flow smoothly; a large loach is placed in a water storage tank of the toilet bowl, and a plurality of small ventilation holes are drilled in a water storage tank cover.
In order to prevent the water in the water storage tank of the toilet bowl from overflowing from the water storage tank after being filled with water, two overflow pipes are arranged in the water storage tank of the toilet bowl, the inner diameters of the two overflow pipes are slightly larger than the inner diameter of a pipeline connected between a kitchen sink and the water storage tank of the toilet bowl, the height of the two overflow pipes is consistent with the height of the water when the water storage tank of the toilet bowl is filled with water, and the lower ends of the two overflow pipes are respectively connected with a sewer pipeline of the toilet bowl.
In the three small tanks of the safe sedimentation tank, sewage enters from one corner of one small tank and enters into the next adjacent small tank from the opposite corner of the small tank so as to clarify water to the maximum extent.
In order to ensure that water in the durable water tank is not washed away by rainwater in rainy days, firm metal hooks are arranged on the parapet wall and the gable wall when the water tank is installed, a plurality of durable water tanks are covered by durable material cloth when raining is about to occur, and the material cloth is fixed by the metal hooks; the material cloth covered on the water jar is opened when the rain does not fall.
Small soil pits connected with the big trees are dug beside the big trees planted downstairs, aquatic plants grow in the small soil pits, and water overflowing from the durable water tank on the top of the building flows into the small pits through the downpipe to be absorbed and decomposed by the aquatic plants and the big trees.
Fire extinguishing water taps are respectively arranged on the water feeding pipes at each floor and the top of the building.
The original ecological treatment method for the urban domestic sewage, which is designed by adopting the technical scheme, not only changes the urban domestic sewage into clean water, but also generates huge ecological and economic benefits through the innovation of the technology. Firstly, the large amount of domestic sewage is converted into clean water and is circulated forever, and the benefit of the water is a huge wealth. But also converts domestic sewage into fuel benefits and organic fertilizer benefits, which are two great ecological and economic benefits; the installation of a fireproof faucet on a sewage treatment water pipe also has the benefit which cannot be seen in the normal times; the little combustion of other fuels is also a little benefit; the fertilizer plant is not built, and the benefits of a large amount of transportation and air pollution are reduced; the transportation accident and the benefits of reducing the casualties caused by transportation and all the benefits of reducing the follow-up matters of the casualties; the benefit of purifying the air; the benefit of reducing the air temperature; the benefits of more oxygen production; the benefit of growing high-quality wood is increased; the aquatic product benefits of growing by utilizing the treated water in low-lying places such as rivers, ponds and pits; the method is also beneficial to using the sediment of the clarified washing product as a pesticide raw material. Compared with the prior art for treating the urban domestic sewage, the method reduces the huge pollution, and the method has great benefit for improving the health of people.
Drawings
FIG. 1 shows a schematic diagram of the original ecological treatment method of urban domestic sewage.
Detailed Description
The original ecological treatment method of the urban domestic sewage is specifically explained by combining the attached drawings.
The invention relates to a town domestic sewage original ecological treatment method, which comprises the treatment of water for kitchens, water for toilets and water for toilets, and the treatment of water for washing clothes, bathing and feet, referring to a figure 1. Wherein:
the invention is used for treating water for kitchen and toilet, firstly, the kitchen water tank is communicated with the water storage tank of the toilet through a pipeline, so that the waste water in the kitchen water tank flows into the toilet. In order to prevent oil stains from blocking the pipeline, a loach is placed in the pipeline, the loach can clean the oil stains in the pipeline when the loach moves, and only two ends of the pipeline are blocked and the flowing water is ensured to be smooth. A large loach is placed in a water storage tank of the toilet bowl to clean oil stains and the like on the inner wall, and a plurality of small air-permeable holes are drilled in a water storage tank cover of the toilet bowl.
The invention is characterized in that two overflow pipes are arranged in the water storage tank of the toilet bowl, the inner diameters of the two overflow pipes are slightly larger than the inner diameter of a pipeline connected between a kitchen pool and the water storage tank of the toilet bowl, so that the water flow of the two overflow pipes is larger than that of the pipeline connected between the kitchen pool and the water storage tank of the toilet bowl, the heights of the two overflow pipes are consistent with the height of water when the water storage tank of the toilet bowl is filled with water, and the lower ends of the two overflow pipes are respectively connected with a sewer pipeline of the toilet bowl. Therefore, the phenomenon that water overflows from the water storage tank after the water storage tank of the toilet bowl is filled with water can be effectively avoided, and meanwhile, the phenomenon that loaches placed in the water storage tank of the toilet bowl run off can be effectively avoided.
The technology can be infinitely copied by using the money for building sewage treatment plants to build a plurality of large methane tanks for a plurality of rounds as the input for manufacturing fuel and the input for producing organic fertilizer, and plant leaf stems in a district or a unit and the like are crushed and then added into the large methane tanks to generate methane for cooking bowls, dishes, chopsticks and the like without using detergent. Clear water in the process of generating the biogas is stored in a safety large pool built beside the biogas production, and plants in cities and towns are watered with rainwater continuously all the year round. The biogas residue liquid is conveyed to farmlands or forest lands in suburbs by a high-pressure pump through a pipeline and then buried, so that most of water in the biogas residue liquid is evaporated or absorbed and decomposed by plants and then released into the air as humid air to form rain and snow which fall into the ground, and the water pumped up from the underground is the water in a well. The circulation is repeated, so that most of the used sewage is changed into clean water for reuse.
The waste water is changed into clean water, the production of chemical fertilizers is reduced, the problem of land hardening restoration is solved, a large amount of energy consumption and pollution to the environment are reduced, a large amount of sewage in the production process is reduced, a large amount of back-and-forth transportation is reduced, and traffic accidents and follow-up matters for treating casualties are reduced.
The method has the advantages that the money for building the domestic sewage treatment plant is used for building the project, the harm is turned into the benefit, the sewage is thoroughly treated, a large amount of fuel and excellent organic fertilizer can be obtained, and the hardening problem of the existing soil caused by using the fertilizer can be effectively repaired by using the original ecological organic fertilizer. Because of the high operating cost of sewage treatment plants, some sewage treatment plants can only open the treatment system during inspection, and usually become a sewage treatment plant through which sewage flows. The method can completely treat the sewage and generate great ecological and economic benefits, and the method is a perfect original ecological system project for treating the urban domestic sewage and can change the sewage into clean drinking water.
The invention relates to a safe sedimentation tank for treating water for toilets and water for washing clothes, bathes and feet, wherein a safe sedimentation tank is built by a part of residents who build sewage treatment plants in several units or a community in the space below a building, one end of the bottom of the sedimentation tank is higher, the other end of the sedimentation tank is lower, and the inner side of the sedimentation tank is divided into three adjacent small tanks for dividing the sedimentation tank into three layers of clear water. The lower part of the bottom of each small pool is respectively provided with a groove, so that one end of each small pool is provided with a groove for sucking and sucking sediments, and the sediments contained in the grooves are used as raw materials of pesticides. The water in the toilet, the washing water and the foot washing water are collected in another set of pipelines and flow into a small pool with the high bottom of the sedimentation tank, namely a first small pool, the sewage enters from one corner of one small pool and enters into the next adjacent small pool from the other opposite corner of the small pool, and the water is clarified to the maximum extent.
The water pumped from the third small pool is the clearest water, and is pumped to a durable water tank arranged on the top of the building through a water feeding pipe by a water pump, the middle of the bottom of the water tank is low so as to suck the clarified sediments in the water again, and fire extinguishing faucets are arranged on all layers along the water feeding pipe and the top of the building for extinguishing fire. The water flowing into the durable water vat is dried by the sun and blown to evaporate into the air, and under the action of high-altitude wind force, a part of humid air moistens trees and other plants, so that a plurality of water vats on the roof give back water pits in cities and countryside 60 years ago. After the humid air returns to the ground, it is pumped up from the well for use. In order to ensure that water in the durable water tank is not washed away by rainwater in rainy days, firm metal hooks are arranged on the parapet wall and the gable wall when the durable water tank is installed, a plurality of water tanks can be covered by durable material cloth at a time when raining is about to occur, and the material cloth is fixed on the metal hooks. If the water in the heavy rain resistant water tank flows to the downstairs through the downpipe once the heavy rain resistant water tank suddenly falls, small soil pits which are specially dug at the edges of the big trees and are connected with the big trees are arranged at the downstairs, aquatic plants are arranged in the small soil pits on the sides, the water stored in the water pits enables the tall trees beside the water pits to absorb and decompose to become humid air, the tall trees are suitable for growing in any region of the country, and then the humid air becomes rain or snow and returns to the ground to become water in the well.
The invention can also be applied to the treatment of domestic and working sewage of each unit, can also be applied to planned vast rural areas, or can be applied to some places through transformation. The invention can be used in any region in the country.
Claims (7)
1. An original ecological treatment method of urban domestic sewage is characterized by comprising the treatment of kitchen water, toilet water and toilet water, as well as the treatment of water for washing clothes, bathing and feet, wherein:
for the treatment of water for kitchens and water for toilet bowls, a kitchen water tank is communicated with a water storage tank of the toilet bowl through a pipeline, so that waste water in the kitchen water tank flows into the toilet bowl; building a plurality of large methane tanks for wheels in a plurality of units in a residential area or a residential area, enabling sewage discharged by a toilet to flow into the methane tanks, and adding crushed plant leaf stems into the methane tanks to enable the crushed plant leaf stems to generate methane; storing clarified water generated in the process of generating biogas by a biogas tank in a large safety pool built beside the biogas tank, wherein the water in the large safety pool and rainwater can be used for watering plants, and biogas residue liquid in the biogas tank is conveyed to farmlands or forest lands by a high-pressure pump through a pipeline and buried;
for the treatment of water for toilets and water for washing clothes, bathes and feet, one or more safe sedimentation tanks are built in several units or one cell in the downstairs, one end of the bottom of each safe sedimentation tank is higher, the other end of the bottom of each safe sedimentation tank is lower, each safe sedimentation tank is divided into three adjacent small tanks, a groove is respectively arranged at the lower part of the bottom of each small tank for conveniently sucking and sucking sediments, and the sediments are used as raw materials; the water for toilet and the water for washing clothes, bathing and feet are flowed into a pool with a high bottom of the safe sedimentation tank through another set of pipelines, namely a first small pool; the clarified water in the third small pond is pumped into a plurality of durable water tanks built on the roof by water pump for solarization evaporation and wind blowing.
2. The original ecological treatment method of urban domestic sewage according to claim 1, characterized in that when treating water for kitchens and water for toilets, a loach is put in a connecting pipeline between the kitchen sink and a water storage tank of the toilet, and two ends of the pipeline are plugged to enable sewage to flow smoothly; a large loach is placed in a water storage tank of the toilet bowl, and a plurality of small ventilation holes are drilled in a water storage tank cover.
3. The original ecological town domestic sewage treatment method according to claim 1 or 2, characterized in that two overflow pipes are arranged in the toilet water storage tank, the inner diameter of the two overflow pipes is slightly larger than the inner diameter of a pipeline connected between a kitchen sink and the toilet water storage tank, the height of the two overflow pipes is consistent with the height of water when the toilet water storage tank is full of water, and the lower ends of the two overflow pipes are respectively connected with a sewer pipeline of the toilet.
4. The ecological urban domestic sewage treatment method as claimed in claim 1, wherein the sewage enters from one corner of one small tank and enters from the other opposite corner of the small tank into the next adjacent small tank, so as to clear the water to the maximum extent.
5. The original ecological treatment method of urban domestic sewage according to claim 1 or 4, characterized in that when installing water tanks, firm metal hooks are arranged on parapet walls and gable walls, when it is going to rain, a plurality of durable water tanks are covered by durable material cloth, and the material cloth is fixed by the metal hooks; the material cloth covered on the water jar is opened when the rain does not fall.
6. The original ecological treatment method of urban domestic sewage according to claim 1 or 4, characterized in that small soil pits connected with the big trees are dug at the edges of the big trees planted below the building, aquatic plants grow in the small soil pits, and water overflowing from the durable water tank on the top of the building flows into the small pits through the downpipe to be absorbed and decomposed by the aquatic plants and the big trees.
7. The original ecological treatment method for urban domestic sewage according to claim 1, wherein fire-extinguishing taps are respectively installed at each floor and the top of the building at the upper water pipe.
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| CN202110740933.4A CN113550389B (en) | 2021-07-01 | 2021-07-01 | Ecological treatment method for urban domestic sewage |
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| CN202110740933.4A CN113550389B (en) | 2021-07-01 | 2021-07-01 | Ecological treatment method for urban domestic sewage |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045228A1 (en) * | 2003-08-25 | 2005-03-03 | Labrador Gaudencio Aquino | Supplemental water supply for toilets, for fire fighting, and strategies for conservation of the drinking water |
| CN101012658A (en) * | 2006-12-24 | 2007-08-08 | 穆光新 | Town life water saving circulation network |
| CN103782855A (en) * | 2013-12-19 | 2014-05-14 | 余美平 | Ecological-reduction environment-friendly water recovery system |
| CN106396275A (en) * | 2016-11-09 | 2017-02-15 | 重庆市环境科学研究院 | Rural area domestic sewage collection and treatment ecological network system |
| CN108589847A (en) * | 2018-04-28 | 2018-09-28 | 重庆工业职业技术学院 | A kind of classification recycling and circulation recycling system based on sanitary sewage |
-
2021
- 2021-07-01 CN CN202110740933.4A patent/CN113550389B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045228A1 (en) * | 2003-08-25 | 2005-03-03 | Labrador Gaudencio Aquino | Supplemental water supply for toilets, for fire fighting, and strategies for conservation of the drinking water |
| CN101012658A (en) * | 2006-12-24 | 2007-08-08 | 穆光新 | Town life water saving circulation network |
| CN103782855A (en) * | 2013-12-19 | 2014-05-14 | 余美平 | Ecological-reduction environment-friendly water recovery system |
| CN106396275A (en) * | 2016-11-09 | 2017-02-15 | 重庆市环境科学研究院 | Rural area domestic sewage collection and treatment ecological network system |
| CN108589847A (en) * | 2018-04-28 | 2018-09-28 | 重庆工业职业技术学院 | A kind of classification recycling and circulation recycling system based on sanitary sewage |
Non-Patent Citations (1)
| Title |
|---|
| 柳卫国 北京师范大学出版集团安徽大学出版社, 北京师范大学出版集团安徽大学出版社 * |
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