CN111285551A - Efficient residential building regenerated water circulation system and application thereof - Google Patents
Efficient residential building regenerated water circulation system and application thereof Download PDFInfo
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- CN111285551A CN111285551A CN202010170965.0A CN202010170965A CN111285551A CN 111285551 A CN111285551 A CN 111285551A CN 202010170965 A CN202010170965 A CN 202010170965A CN 111285551 A CN111285551 A CN 111285551A
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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
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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
-
- 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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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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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
- 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
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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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- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/02—Aerobic processes
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/082—Rotating biological contactors
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Domestic Plumbing Installations (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses a high-efficiency residential building reclaimed water circulating system which comprises a reclaimed water collecting pipeline, a reclaimed water treatment system, a circulating water storage tank, a sewage collecting pipeline and a residential domestic sewage treatment system. The invention concentrates the high-quality domestic sewage of the single building to carry out reclaimed water treatment by changing the pipeline system of the residential area, and the treated reclaimed water is used for flushing the toilet bowl, thereby achieving the purposes of saving tap water and reducing the pressure of a municipal reclaimed water treatment system; the secondary circulation domestic water can save surplus water for greening irrigation, fire fighting and the like, reduce the discharge amount of domestic sewage and reduce the pressure of domestic sewage treatment systems and municipal pollutant carrying capacity in the residential areas; in addition, the invention does not need to be connected with a rainwater drainage system, realizes the distribution of rain and sewage, reduces the water inlet and drainage pressure of the reclaimed water treatment system and the domestic sewage treatment system, reduces the construction cost and the floor area, and only needs to consider the water use condition of the building to design the sewage receiving capacity of the reclaimed water treatment system of the building and the domestic sewage treatment system of the community during construction.
Description
Technical Field
The invention relates to the technical field of sewage recycling, in particular to a high-efficiency residential building reclaimed water circulating system and application thereof.
Background
The reclaimed water is also called as reclaimed water, the water quality of the reclaimed water is between that of sewage and tap water, the reclaimed water is non-drinking water which can be used in a certain range after the urban sewage and the waste water are purified and reach the national standard, and the reclaimed water can be used in various aspects of urban landscapes and common people life. In order to solve the problem of water resource shortage, the recycling of the urban sewage is increasingly important, and compared with the development of other water sources, the recycling of the urban sewage has great advantages. Firstly, the urban sewage is huge in quantity, stable, free from the restriction of climatic conditions, other natural conditions and the like, and can be recycled. The sewage can be synchronously generated on the basis of being used as a recycling water source and the generation of the sewage, namely, as long as the urban sewage is generated, a reliable recycling water source can be obtained.
At present, most of newly built buildings are provided with reclaimed water systems, and the supply of the ordinary reclaimed water systems mostly depends on a reclaimed water system with centralized supply, namely, sewage is collected and treated in a centralized way by a reclaimed water treatment plant and then is conveyed to users through pipelines or sold through containers. The above reclaimed water system has the following problems: firstly, the quality of a reclaimed water treatment regenerated water source is poor; secondly, the reclaimed water system is treated too intensively, the system process is complex, and the operation and maintenance cost is high, so that many buildings are still in an embarrassing state that no reclaimed water is available and drinking water has to be used although the reclaimed water system is installed; thirdly, the municipal construction cost is increased by the transportation of domestic sewage and reclaimed water; fourth, most domestic reclaimed water recycling systems are applied in the northern area and connected with a rainwater drainage system, and if the rainwater quantity is large, the water inflow of a reclaimed water treatment system is easy to exceed the standard, so that the reclaimed water recycling system is not suitable for being used in southern rainy areas.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the high-efficiency residential building reclaimed water circulation system, which solves the traditional problems, has simple process and low operation and maintenance cost, and can effectively improve the utilization rate of a reclaimed water source.
The invention also provides an application of the high-efficiency residential building reclaimed water circulation system.
The invention is realized by adopting the following technical scheme:
a high-efficiency residential building reclaimed water circulation system comprises a reclaimed water collecting pipeline, a reclaimed water treatment system, a circulating water storage tank, a sewage collecting pipeline and a residential domestic sewage treatment system, wherein the reclaimed water collecting pipeline is connected with the reclaimed water treatment system, and the water inlet end of the reclaimed water collecting pipeline is connected with a kitchen vegetable washing table drain pipe, a washing machine drain pipe, a shower device drain pipe and a hand washing table drain pipe; the recycled water treatment system comprises a recycled water storage tank, a recycled water treatment system and a recycled water treatment system, wherein a submersible pump is installed at the water outlet of the recycled water treatment system, the recycled water storage tank is positioned on the roof of a residential building, and the submersible pump conveys the recycled water treated by the recycled water treatment system into the recycled water storage tank; the water outlet of the circulating water storage tank is connected with a closestool water inlet pipe; the sewage collecting pipeline is connected with the residential quarter domestic sewage treatment system, and the water inlet end of the sewage collecting pipeline is connected with a closestool drain pipe and a dishwashing oil pool drain pipe; and a water outlet pipe of the residential domestic sewage treatment system is connected with a municipal sewage system pipeline.
Preferably, a filtering and collecting tank is arranged in the reclaimed water treatment system.
Preferably, the water outlet of the reclaimed water treatment system is also connected with a greening and fire-fighting water pipeline.
Preferably, the greening and firefighting water pipe is connected at an outlet pipe of the submersible pump.
Preferably, an oil separation tank is mounted on the drain pipe of the dish washing oil tank.
Preferably, the sink drain is connected in parallel with the toilet drain.
Preferably, a tap water low-level ball valve is installed in the circulating water storage tank.
Preferably, a septic tank and a three-stage sewage treatment system are arranged in the residential domestic sewage treatment system.
Preferably, a filter screen is installed at an inlet of the submersible pump.
Preferably, the residential domestic sewage treatment system is provided with a sludge discharge pipe.
Compared with the prior art, the invention has the beneficial effects that:
the invention concentrates the high-quality domestic sewage of the single building to carry out reclaimed water treatment by changing the pipeline system of the residential area, and the treated reclaimed water is used for flushing the toilet bowl, thereby achieving the purposes of saving tap water and reducing the pressure of a municipal reclaimed water treatment system; the secondary circulation domestic water can save surplus water for greening irrigation, fire fighting and the like, reduce the discharge amount of domestic sewage and reduce the pressure of domestic sewage treatment systems and municipal pollutant carrying capacity in the residential areas; in addition, the invention does not need to be connected with a rainwater drainage system, realizes the distribution of rain and sewage, reduces the water inlet and drainage pressure of the reclaimed water treatment system and the domestic sewage treatment system, reduces the construction cost and the floor area, and only needs to consider the water use condition of the building to design the sewage receiving capacity of the reclaimed water treatment system of the building and the domestic sewage treatment system of the community during construction.
The invention establishes a circulating water-saving system for a newly built whole building or even a whole residential district, is easy to implement, saves about 2000 liters of water per month by measuring three buildings and one residence, has 80 percent of secondary circulating domestic water, has obvious water-saving effect, and accords with the relevant policies and regulations of energetically advocating energy conservation and emission reduction in China.
Drawings
FIG. 1 is a schematic view of the arrangement of the highly efficient residential building recycled water circulation system of the present invention in a single building;
fig. 2 is a schematic flow diagram of the high efficiency residential building recreational water circulation system of fig. 1.
In the figure: 10. a reclaimed water collecting pipeline; 11. a drain pipe of a kitchen vegetable washing table; 12. a drain pipe of the washing machine; 13. a shower drain; 14. a sink drain pipe; 20. a reclaimed water treatment system; 21. a submersible pump; 22. a water pipeline for greening; 30. a circulating water storage tank; 31. a water inlet pipe of the closestool; 40. a sewage collection pipeline; 41. a toilet drain pipe; 42. a drain pipe of the dish washing oil pool; 420. an oil separation tank; 50. residential domestic sewage treatment system.
Detailed Description
The invention will be further described with reference to the accompanying drawings and the detailed description below:
referring to fig. 1, the high efficiency residential building recycled water circulation system of the present invention is schematically arranged in a single building, and comprises a recycled water collecting pipeline 10, a recycled water treatment system 20, a recycled water storage tank 30, a sewage collecting pipeline 40 and a residential sewage treatment system 50.
Specifically, the reclaimed water collecting pipeline 10 is connected with a reclaimed water treatment system 20 and is used for collecting reclaimed water which can be used for purification treatment in a building, and the water inlet end of the reclaimed water collecting pipeline 10 is connected with a kitchen vegetable washing table drain pipe 11, a washing machine drain pipe 12, a shower device drain pipe 13 and a hand washing table drain pipe 14 and is used for collecting reclaimed water generated by the kitchen vegetable washing table, the washing machine, the shower device and the hand washing table so as to be conveniently and intensively input into the reclaimed water treatment system 20 for treatment.
The reclaimed water treatment system 20 purchases the existing equipment, and the reclaimed water treatment system 20 generally comprises a sewage collection, regulation, pretreatment unit, treatment unit, advanced treatment unit, reclaimed water storage, reclaimed water transportation and other parts, wherein the pretreatment unit generally comprises a grating, hair removal, pre-aeration and the like; the treatment units are generally divided into biological treatment and physical and chemical treatment, and the biological treatment units comprise: biological contact oxidation, biological rotating disc, biological aerated filter, land treatment and the like, physicochemical treatment units such as coagulating sedimentation, coagulating air flotation, micro flocculation and the like, and advanced treatment units such as filtration, activated carbon adsorption, membrane separation, oxidation disinfection and the like. In this embodiment, a submersible pump 21 is installed at the water outlet of the reclaimed water treatment system 20, and the submersible pump 21 is used for conveying the reclaimed water treated by the reclaimed water treatment system 20 into the circulating water storage tank 30, so that the reclaimed water can freely fall through the height difference between the building and the ground when being recycled. In another embodiment, a filter screen is installed at the inlet of the submersible pump 21. The reclaimed water treatment system 20 is provided with a filtering and collecting tank (not shown) inside for filtering and retreating the water collected by the reclaimed water collecting pipe 10. The water outlet of the reclaimed water treatment system 20 is further connected with a greening and fire-fighting water pipeline 22, the greening and fire-fighting water pipeline 22 is connected with a community greening water delivery system and a fire-fighting water pipeline to use reclaimed water as a community greening supplementary water source and for fire-fighting water, wherein the greening and fire-fighting water pipeline 22 is connected with an outlet pipe of the submersible pump 21 and delivers the reclaimed water to the community greening water delivery system and the fire-fighting water pipeline.
The circulating water storage tank 30 is positioned on the roof of the residential building, a toilet water inlet pipe 31 is connected to the water outlet of the circulating water storage tank 30, and the regenerated water is conveyed to toilet water tanks of all floors for flushing toilets after defecating. In this embodiment, the circulating water reservoir 30 is provided with a low level ball valve (not shown) for tap water, and the inlet end of the low level ball valve for tap water is connected with the tap water pipe, if the water storage capacity is insufficient, the valve can be automatically started to supply the water with tap water, so that enough water is available for flushing the toilet. In another embodiment, an overflow pipe (not shown) is provided at one side of the circulating water storage 30, and the overflow pipe is connected to a municipal sewage system or a rainwater drainage system to directly drain a large amount of reclaimed water into the municipal sewage system or the rainwater drainage system.
The sewage collecting pipeline 40 is connected with the residential domestic sewage treatment system 50, and the water inlet end of the sewage collecting pipeline 40 is connected with a toilet drain pipe 41 and a dishwashing oil pool drain pipe 42 for collecting sewage in a centralized manner so as to be conveniently input into the residential domestic sewage treatment system 50 for treatment. In this embodiment, the oil separation tank 420 is installed on the drain pipe 42 of the dish washing oil tank, and the oil separation tank 420 achieves the separation purpose by utilizing the difference of specific gravity between the suspended matters and the water in the waste water. Heavy oil and other impurities precipitated in the oil separation tank 420 are accumulated in a sludge hopper at the bottom of the tank, enter a sludge pipe through a sludge discharge pipe, and wastewater subjected to oil separation treatment overflows into a drainage channel and is discharged out of the tank for subsequent treatment so as to remove emulsified oil and other pollutants. In one embodiment, the sump drain 42 is connected in parallel with the toilet drain 41.
The residential domestic sewage treatment system 50 is used for treating domestic sewage such as toilet flushing water and dish washing water, and a water outlet pipe of the residential domestic sewage treatment system 50 is connected with a municipal sewage system pipeline. The residential domestic sewage treatment system 50 is provided with a septic tank and a three-stage sewage treatment system (not shown) therein, so that sewage is purified and then output to municipal sewage system pipes to reduce the pressure of municipal sewage treatment. The residential domestic sewage treatment system 50 is provided with a sludge discharge pipe (not shown) for discharging sludge in the treatment system. Wherein, the residential domestic sewage treatment system 50 and the reclaimed water treatment system 20 are both positioned at the bottom layer of the building or buried in the ground.
Referring to fig. 2, when the recycled water circulation system of the present invention is operated, the recycled water for washing vegetables, washing clothes, showering, rinsing and the like is collected through the recycled water collection pipe 10, and is delivered to the recycled water treatment system 20 for purification treatment, the purified recycled water is delivered to the circulating water storage tank 30 on the roof of the building through the submersible pump 21 for delivering water to the toilet tanks on each floor, when the toilet is flushed, the sewage after flushing and the dishwashing water are collected through the sewage collection pipe 40 and delivered to the residential sewage treatment system 50, and the sewage is purified and delivered to the municipal sewage system, wherein the purified recycled water can also be used as greening and fire-fighting water, and is connected with the residential greening water delivery system and the fire-fighting water system through the greening and fire-fighting water pipe 22 for supplying water for greening and fire-fighting.
The invention concentrates the high-quality domestic sewage of the single building to carry out reclaimed water treatment by changing the pipeline system of the residential area, and the treated reclaimed water is used for flushing the toilet bowl, thereby achieving the purposes of saving tap water and reducing the pressure of a municipal reclaimed water treatment system; the secondary circulation domestic water saving surplus can be used for greening irrigation, fire fighting and the like, so that the domestic sewage discharge amount is reduced, and the pressure of a residential domestic sewage treatment system 50 and municipal pollutant carrying capacity is reduced; the rainwater and sewage diversion is achieved without connecting a rainwater and sewage drainage system, the water inlet and drainage pressure of the reclaimed water treatment system 20 and the residential domestic sewage treatment system 50 is reduced, the construction cost and the occupied area are reduced, and the sewage receiving capacity of the reclaimed water treatment system 20 and the residential domestic sewage treatment system 50 in the building is designed only by considering the water use condition of the building during construction.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. A high-efficiency residential building reclaimed water circulation system is characterized by comprising a reclaimed water collecting pipeline, a reclaimed water treatment system, a circulating water storage tank, a sewage collecting pipeline and a residential domestic sewage treatment system, wherein the reclaimed water collecting pipeline is connected with the reclaimed water treatment system, and the water inlet end of the reclaimed water collecting pipeline is connected with a kitchen vegetable washing table drain pipe, a washing machine drain pipe, a shower device drain pipe and a washbasin drain pipe; the recycled water treatment system comprises a recycled water storage tank, a recycled water treatment system and a recycled water treatment system, wherein a submersible pump is installed at the water outlet of the recycled water treatment system, the recycled water storage tank is positioned on the roof of a residential building, and the submersible pump conveys the recycled water treated by the recycled water treatment system into the recycled water storage tank; the water outlet of the circulating water storage tank is connected with a closestool water inlet pipe; the sewage collecting pipeline is connected with the residential quarter domestic sewage treatment system, and the water inlet end of the sewage collecting pipeline is connected with a closestool drain pipe and a dishwashing oil pool drain pipe; and a water outlet pipe of the residential domestic sewage treatment system is connected with a municipal sewage system pipeline.
2. The high efficiency residential building recreational water circulation system of claim 1, wherein said reclaimed water treatment system incorporates a filtered sump.
3. The highly efficient residential building recreational water circulation system of claim 1, wherein a greening and fire fighting water pipeline is further connected to the water outlet of the reclaimed water treatment system.
4. The highly efficient residential building recreational water circulation system of claim 3, wherein said green and fire water piping is connected at an outlet pipe of said submersible pump.
5. The system of claim 1 wherein an oil separation basin is mounted on the sink drain.
6. The highly efficient residential building recreational water circulation system of claim 5, wherein said dishwashing oil sump drain is connected in parallel with said toilet drain.
7. The highly efficient residential building recreational water circulation system of claim 1, wherein a tap water low level ball valve is installed within said circulating water reservoir.
8. The highly efficient residential building recreational water circulation system of claim 1, wherein said residential sewage treatment system incorporates a septic tank and a three-stage sewage treatment system.
9. The highly efficient residential building recreational water circulation system of claim 1, wherein a strainer is mounted at the inlet of said submersible pump.
10. The highly efficient residential building recreational water circulation system of claim 1, wherein said residential building recreational wastewater treatment system is provided with a sludge discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170965.0A CN111285551A (en) | 2020-03-12 | 2020-03-12 | Efficient residential building regenerated water circulation system and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010170965.0A CN111285551A (en) | 2020-03-12 | 2020-03-12 | Efficient residential building regenerated water circulation system and application thereof |
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| CN111285551A true CN111285551A (en) | 2020-06-16 |
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| CN202010170965.0A Pending CN111285551A (en) | 2020-03-12 | 2020-03-12 | Efficient residential building regenerated water circulation system and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665814A (en) * | 2020-07-10 | 2020-09-15 | 宁夏大学 | Life reclaimed water control system |
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| CN212293192U (en) * | 2020-03-12 | 2021-01-05 | 几何智慧城市科技(广州)有限公司 | High-efficient residential building regeneration water circulating system |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010106605A (en) * | 2008-10-31 | 2010-05-13 | Asahi Kasei Homes Co | Rainwater utilizing system and rainwater utilizing method |
| CN101550715A (en) * | 2009-03-03 | 2009-10-07 | 熊志诚 | Residential building water-saving piping system |
| CN101759332A (en) * | 2010-01-04 | 2010-06-30 | 黄永坚 | Family domestic sewage recycling treatment process |
| CN102926439A (en) * | 2012-11-09 | 2013-02-13 | 南京师范大学 | Resident housing living waste water treatment reused system |
| CN110078296A (en) * | 2019-03-29 | 2019-08-02 | 四川中喻环境治理有限公司 | A kind of municipal wastewater processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111665814A (en) * | 2020-07-10 | 2020-09-15 | 宁夏大学 | Life reclaimed water control system |
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