CN113800724A - Reclaimed water recycling treatment process - Google Patents
Reclaimed water recycling treatment process Download PDFInfo
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- CN113800724A CN113800724A CN202111225209.4A CN202111225209A CN113800724A CN 113800724 A CN113800724 A CN 113800724A CN 202111225209 A CN202111225209 A CN 202111225209A CN 113800724 A CN113800724 A CN 113800724A
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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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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
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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
- C02F7/00—Aeration of stretches of water
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a reclaimed water recycling treatment process which comprises the following steps: the device comprises a sewage tank 1, a grid filtering tank 2, a regulating tank 3, a flocculating agent dosing tank 4, a dosing metering pump 5, a primary sedimentation tank 6, an aeration tank 7, a final sedimentation tank 8, a multistage filter 9, a disinfectant liquid tank 10, a disinfectant liquid metering pump 11, a reclaimed water reservoir 12, a reclaimed water lift pump 13, a roots blower 14, an aeration disperser 15, an aeration conveying pipeline 16, a sand filtration filter wall 17 and a PP cotton filter wall 18; along with the rapid development of the aquaculture industry, more and more scale farms have appeared, have produced a large amount of concentrated breed sewage from this, breed the water recycle after sewage properly handles for the daily non-drinking water sight of farm, both reduced the farm discharge capacity, saved the water cost of farm again.
Description
Technical Field
The invention relates to a reclaimed water recycling treatment process, in particular to a process for treating sewage of an animal farm by a certain process to ensure that the sewage reaches the non-domestic drinking water standard of the farm, and belongs to the technical field of animal farm sewage treatment process and environmental protection equipment.
Background
With the rapid development of the breeding industry, more and more large-scale farms appear, and a large amount of concentrated breeding sewage is generated; generally, the breeding sewage mainly comprises livestock urine, excrement and livestock washing water, the sewage has high organic matters, ammonia nitrogen and phosphorus concentration and more suspended matters, the high-concentration organic sewage rich in a large number of pathogens is directly discharged into a water body or is not suitable for storage places, and is washed by rainwater into the water body, so that the serious deterioration of the surface water or underground water quality can be caused, meanwhile, some germs, viruses and the like in the breeding sewage can possibly cause the propagation of some epidemic diseases along with the flow of water, and the like, so that a plurality of safety problems and hidden dangers of livestock product quality safety, ecological environment safety, human and livestock health and the like are brought, and China is a country with water resource shortage. How to treat and recycle the sewage of the livestock farm is more important, especially for the production process of livestock breeding, wherein a large amount of flushing water and low requirements on water quality are required; therefore, a technical route of the reclaimed water recycling treatment process needs to be urgently explored.
Disclosure of Invention
The invention aims to: overcomes the serious defects of the existing livestock breeding sewage treatment process technical route, and provides a reclaimed water reuse treatment process technical route, so that the livestock breeding sewage is recycled, the environment is protected, and the water resource is saved.
The technical scheme of the invention is realized as follows: a reclaimed water recycling treatment process comprises a sewage tank 1, a grid filtering tank 2, a regulating tank 3, a flocculating agent dosing tank 4, a dosing metering pump 5, a primary sedimentation tank 6, an aeration tank 7, a final sedimentation tank 8, a multistage filter 9, a disinfectant liquid tank 10, a disinfectant liquid metering pump 11, a reclaimed water reservoir 12, a reclaimed water lift pump 13, a Roots blower 14, an aeration disperser 15, an aeration conveying pipeline 16, a sand filtering wall 17 and a PP cotton filtering wall 18;
the sewage pool 1 is positioned at the foremost end of the process technical route, one end of the sewage pool is connected with a breeding wastewater recovery pipeline of an animal farm, and the other end of the sewage pool is connected with the grid filtering pool 2;
the grating filtering tank 2 is positioned between the sewage tank 1 and the regulating tank 3, and gratings positioned in the grating filter tank filter and intercept 100% of water surface floaters and underwater gravity sediments entering the grating filtering tank, so that the difficulty of a subsequent treatment link is reduced; the sewage filtered and intercepted by the grating enters the regulating tank 3;
the adjusting tank 3 is positioned between the grating filter tank 2 and the primary sedimentation tank 6; the adjusting tank 3 is used for adjusting the water quantity and homogenizing the water quality, and the sewage in the adjusting tank 3 enters the primary sedimentation tank 6;
the flocculant dosing tank 4 is used for containing flocculant liquid medicine, one end of the dosing metering pump 5 is connected with the flocculant dosing tank 4 through a medicine conveying pipeline 20, the other end of the dosing metering pump 5 is vertically and mutually connected with a water conveying pipeline 19 which is connected with the regulating tank 3 and the primary sedimentation tank 6 through the medicine conveying pipeline 20, and the dosing metering pump 5 adds a certain amount of flocculant liquid medicine according to the sewage flow flowing into the primary sedimentation tank 6 from the regulating tank 3, so that the constant dosing proportion is ensured, and the optimal flocculation and sedimentation effect is obtained;
the sewage in the primary sedimentation tank 6 generates flocculate under the action of a flocculating agent, the primary sedimentation of the flocculate is realized by utilizing gravity, and the sewage enters an aeration tank 7 after sedimentation;
the aeration tank 7 is positioned between the primary sedimentation tank 6 and the final sedimentation tank 8, the aeration tank 7 is provided with an aeration device which comprises an aeration disperser 15 positioned in the aeration tank 7, a Roots blower 14 positioned outside the aeration tank 7 and an aeration conveying pipeline 16 connecting the aeration disperser 15 and the Roots blower 14; a large amount of aerobic microorganisms exist in the aeration tank 7, the aerobic microorganisms can decompose organic matters in the sewage as long as enough oxygen is provided, the effect of purifying the water quality is achieved, and the sewage decomposed by the aerobic microorganisms enters the final-stage sedimentation tank 8;
the sewage in the final-stage sedimentation tank 8 is sedimentated in the final-stage sedimentation tank 8 under the action of gravity in the form of biological sludge through organic matters decomposed by aerobic microorganisms, and the sedimented sewage enters a multistage filter 9;
two filter walls are arranged in the multistage filter 9, the first filter wall is a sand filter wall 17, the second filter wall is a PP cotton filter wall 18, the second filter wall has better filtering effect than the first filter wall, and sewage filtered by the two filter walls passes through a water delivery pipe 19 and then is mixed with disinfectant to enter the reclaimed water reservoir 12;
the disinfectant liquid tank 10 is filled with disinfectant liquid, one end of a disinfectant liquid metering pump 11 is connected with the disinfectant liquid tank 10 through a drug delivery pipeline 20, the other end of the disinfectant liquid metering pump 11 is connected with a water delivery pipeline 19 connected with the multistage filter 9 and the reclaimed water reservoir 12 through the drug delivery pipeline 20, the disinfectant liquid is added in proportion to disinfect the filtered sewage, and the sewage enters the reclaimed water reservoir 12 after reaching the standard of reclaimed water;
the reclaimed water reservoir 12 is used for storing reclaimed water reaching the standard after sewage treatment, and a reclaimed water lift pump 13 is arranged in the reclaimed water reservoir 12 and has the function of lifting and reusing the reclaimed water in the reclaimed water reservoir 12, such as car washing, greening, toilet flushing and the like;
the flocculant and the disinfectant are both commercially available products; the sand filtration filter wall and the PP cotton filter wall are both products in the prior art, are sold in the market, and are determined by negotiation of special specifications.
Description of the drawings:
FIG. 1 is a flow chart of a reclaimed water recycling treatment process of the present invention;
in the figure:
1 is a sewage tank
2 is a grating filter tank
3 is a regulating tank
4 is a flocculating agent dosing tank
5 is a dosing metering pump
6 is a primary sedimentation tank
7 is an aeration tank
8 is a final-stage sedimentation tank
9 is a multistage filter
10 is a disinfectant liquid tank
11 is a disinfectant liquid metering pump
12 is a reclaimed water reservoir
13 is a reclaimed water lift pump
14 is a Roots blower
15 is an aeration disperser
16 is an aeration conveying pipeline
17 is a sand filtering filter wall
18 is the cotton filter wall of PP
19 is a water delivery pipeline
20 is a medicine delivery pipeline
Detailed Description
The invention is thus realized, as further described below with reference to fig. 1: a reclaimed water reuse treatment process comprises the following steps: a treatment process technical route which consists of a sewage tank 1, a grid filtering tank 2, a regulating tank 3, a flocculating agent dosing tank 4, a dosing metering pump 5, a primary sedimentation tank 6, an aeration tank 7, a final sedimentation tank 8, a multistage filter 9, a disinfectant liquid tank 10, a disinfectant liquid metering pump 11, a reclaimed water reservoir 12, a reclaimed water lift pump 13, a roots blower 14, an aeration disperser 15, an aeration conveying pipeline 16, a sand filtration filter wall 17 and a PP cotton filter wall 18;
the sewage pool 1 is positioned at the foremost end of the process technical route, one end of the sewage pool is connected with a breeding wastewater recovery pipeline of an animal farm, and the other end of the sewage pool is connected with the grid filtering pool 2;
the grating filtering tank 2 is positioned between the sewage tank 1 and the regulating tank 3, and gratings positioned in the grating filter tank filter and intercept 100% of water surface floaters and underwater gravity sediments entering the grating filtering tank, so that the difficulty of a subsequent treatment link is reduced; the sewage filtered and intercepted by the grating enters the regulating tank 3;
the adjusting tank 3 is positioned between the grating filter tank 2 and the primary sedimentation tank 6; the adjusting tank (3) is used for adjusting the water quantity and homogenizing the water quality, and the sewage in the adjusting tank (3) enters the primary sedimentation tank (6);
the flocculant dosing tank 4 is used for containing flocculant liquid medicine, one end of the dosing metering pump 5 is connected with the flocculant dosing tank 4 through a medicine conveying pipeline 20, the other end of the dosing metering pump is vertically connected with a water conveying pipeline 19 which is connected with the regulating tank 3 and the primary sedimentation tank 6 through the medicine conveying pipeline 20, and the dosing metering pump 5 adds a certain amount of flocculant liquid medicine according to the sewage flow flowing into the primary sedimentation tank 6 from the regulating tank 3, so that the constant dosing proportion is ensured, and the optimal flocculation and sedimentation effects are obtained;
the sewage in the primary sedimentation tank 6 generates flocculate under the action of a flocculating agent, the primary sedimentation of the flocculate is realized by utilizing gravity, and the sewage enters an aeration tank 7 after sedimentation;
the aeration tank 7 is positioned between the primary sedimentation tank 6 and the final sedimentation tank 8, the aeration tank 7 is provided with an aeration device which comprises an aeration disperser 15 positioned in the aeration tank 7, a Roots blower 14 positioned outside the aeration tank 7 and an aeration conveying pipeline 16 connecting the aeration disperser 15 and the Roots blower 14; a large amount of aerobic microorganisms exist in the aeration tank 7, the aerobic microorganisms can decompose organic matters in the sewage as long as enough oxygen is provided, the effect of purifying the water quality is achieved, and the sewage decomposed by the aerobic microorganisms enters the final-stage sedimentation tank 8;
the sewage in the final-stage sedimentation tank 8 is sedimentated in the final-stage sedimentation tank 8 in the form of biological sludge through organic matters decomposed by aerobic microorganisms under the action of gravity, and the sedimented sewage enters a multistage filter 9;
two filter walls are arranged in the multistage filter 9, the first filter wall is a sand filter wall 17, the second filter wall is a PP cotton filter wall 18, the second filter wall has better filtering effect than the first filter wall, and sewage filtered by the two filter walls passes through a water delivery pipe 19 and then is mixed with disinfectant to enter the reclaimed water reservoir 12;
the disinfectant liquid tank 10 is filled with disinfectant liquid, one end of a disinfectant liquid metering pump 11 is connected with the disinfectant liquid tank 10 through a drug delivery pipeline 20, the other end of the disinfectant liquid metering pump 11 is connected with a water delivery pipeline 19 connected with the multistage filter 9 and the reclaimed water reservoir 12 through the drug delivery pipeline 20, the disinfectant liquid is added in proportion to disinfect the filtered sewage, and the sewage enters the reclaimed water reservoir 12 after reaching the standard of reclaimed water;
the reclaimed water reservoir 12 is used for storing reclaimed water reaching the standard after sewage treatment, and a reclaimed water lift pump 13 is arranged in the reclaimed water reservoir 12 and has the function of lifting and recycling the reclaimed water in the reclaimed water reservoir 12, such as car washing, greening, toilet flushing and the like.
The flocculant and the disinfectant are both commercially available products; the sand filtration filter wall and the PP cotton filter wall are both products in the prior art, are sold in the market, and are determined by negotiation of special specifications.
The process flow of the invention is as follows: a
1. Sewage of the livestock farm flows into a sewage pool 1 through an underground sewage pipeline and is collected;
2. sewage in the sewage tank 1 enters a grating filter tank 2 through a pipeline, and water surface floaters and underwater sediments are filtered through a grating, so that convenience in subsequent processes is guaranteed;
3. the sewage filtered by the grille enters an adjusting tank 3 through a pipeline to adjust the water quantity and the water quality;
4. sewage in the regulating tank 3 enters the primary sedimentation tank 6 through the water pipeline 19, meanwhile, flocculant liquid medicine in the flocculant dosing tank 4 is conveyed to the water pipeline 19 through the medicine conveying pipeline 20 at one end of the dosing metering pump 5 to be mixed with the sewage, and the dosing metering pump 5 adjusts the dosing amount pumped according to different sewage flows flowing into the primary sedimentation tank 6 from the regulating tank 3;
5. mixing the sewage in the primary sedimentation tank 6 with a flocculant drug, then carrying out sedimentation under the action of gravity, and feeding the sewage after sedimentation into an aeration tank 7;
6. a large amount of aerobic microorganisms exist in the sewage in the aeration tank 7, a large amount of air enters the aeration disperser 15 through the aeration conveying pipeline 16 by the Roots blower 14, so that oxygen in the air is fully dispersed in the water to provide enough oxygen for the aerobic microorganisms, and the harmful organic matters in the sewage are decomposed by the aerobic microorganisms to achieve the aim of purifying the quality of the sewage;
7. the sewage in the aeration tank 7 enters a final-stage sedimentation tank 8, and biological sludge formed after harmful organic matters are decomposed by aerobic microorganisms is sedimentated under the action of gravity; the clarified sewage enters a multistage filter 9 for filtration treatment;
8. two filter walls are arranged in the multistage filter 9, wherein the first filter wall is a sand filter wall 17, and the second filter wall is a PP cotton filter wall 18; the sewage in the multistage filter wall 9 can enter the reclaimed water reservoir 12 after being filtered by the first sand filter wall 17 and then filtered by the second PP cotton filter wall 18;
9. when the effluent filtered by the multistage filter 9 passes through the water conveying pipeline 19, the disinfectant in the disinfectant tank 10 passes through the disinfectant conveying pipeline 20 at one end of the disinfectant metering pump 11, and is conveyed into the water conveying pipeline 20 to be fully mixed with the filtered effluent to play a role in disinfection and sterilization, and the disinfected effluent enters the reclaimed water reservoir 12 to be stored;
10. the treated reclaimed water in the reclaimed water reservoir 12 reaches the standard and is lifted and recycled by a reclaimed water lifting pump 13, such as car washing, greening, toilet flushing and the like.
The invention has the following beneficial effects:
1) the recycling of the aquaculture sewage after the treatment of the invention can be used for the daily non-drinking water situation of the farm, thereby not only reducing the discharge capacity of the farm, but also saving the water cost of the farm;
2) the water is mainly used for vehicle cleaning, greening sprinkling, ground washing and excrement washing in the breeding house in the livestock farm, so that a large amount of water resources are saved;
3) after the treatment of the technical scheme of the invention, the breeding sewage of the farm becomes reclaimed water between the upper water and the lower water, and the index of the reclaimed water executes the regulation of GB/T18920-2002 'quality of urban sewage recycling urban miscellaneous water'.
Claims (2)
1. A reclaimed water recycling treatment process is characterized in that: the treatment process comprises a sewage tank (1), a grid filtering tank (2), a regulating tank (3), a flocculating agent dosing tank (4), a dosing metering pump (5), a primary sedimentation tank (6), an aeration tank (7), a final sedimentation tank (8), a multi-stage filter (9), a disinfectant tank (10), a disinfectant metering pump (11), a reclaimed water reservoir (12), a reclaimed water lift pump (13), a roots blower (14), an aeration disperser (15), an aeration conveying pipeline (16), a sand filtration filter wall (17) and a PP cotton filter wall (18);
the sewage pool (1) is positioned at the foremost end of the reclaimed water process technical route, one end of the sewage pool is connected with a breeding sewage recovery pipeline of an animal farm, and the other end of the sewage pool is connected with the grating filter pool (2);
the grating filtering tank (2) is positioned between the sewage tank (1) and the adjusting tank (3), and gratings positioned in the grating filter the water surface floating objects and underwater gravity sediments entering the grating filtering tank for 100% filtering and intercepting, so that the difficulty of the subsequent treatment link is reduced; the sewage filtered and intercepted by the grating enters the regulating tank (3);
the adjusting tank (3) is positioned between the grating filtering tank (2) and the primary sedimentation tank (6); the adjusting tank (3) is used for adjusting water quantity and homogenizing water quality; the sewage of the regulating tank (3) enters a primary sedimentation tank (6);
the flocculating agent dosing tank (4) is used for containing flocculating agent liquid medicine, one end of a dosing metering pump (5) is connected with the flocculating agent dosing tank (4) through a medicine conveying pipeline (20), the other end of the dosing metering pump is vertically and mutually connected with a water conveying pipeline (19) which is connected with the regulating tank (3) and the primary sedimentation tank (6) through the medicine conveying pipeline (20), and the dosing metering pump (5) adds a certain amount of flocculating agent liquid medicine according to the flow rate of sewage which flows into the primary sedimentation tank (6) from the regulating tank (3), so that the dosing proportion is ensured to be constant, and the optimal flocculating and settling effect is obtained;
the sewage in the primary sedimentation tank (6) generates flocculate under the action of a flocculating agent, the primary sedimentation of the flocculate is realized by utilizing gravity, and the sewage enters an aeration tank (7) after sedimentation;
the aeration tank (7) is positioned between the primary sedimentation tank (6) and the final sedimentation tank (8), and the aeration tank (7) is provided with an aeration device which comprises an aeration disperser (15) positioned in the aeration tank (7), a Roots blower (14) positioned outside the aeration tank (7) and an aeration conveying pipeline (16) connecting the aeration disperser (15) and the Roots blower (14); a large amount of aerobic microorganisms exist in the aeration tank (7), the aerobic microorganisms can decompose organic matters in the sewage as long as enough oxygen is provided, the effect of purifying water quality is achieved, and the sewage decomposed by the aerobic microorganisms enters the final-stage sedimentation tank (8);
the sewage in the final-stage sedimentation tank (8) is sedimentated in the final-stage sedimentation tank (8) under the action of gravity in the form of biological sludge through organic matters decomposed by aerobic microorganisms, and the sedimentated sewage enters a multistage filter (9);
two filter walls are arranged in the multistage filter (9), the first filter wall is a sand filter wall (17), the second filter wall is a PP cotton filter wall (18), the second filter wall has better filtering effect than the first filter wall, and sewage filtered by the two filter walls enters the reclaimed water reservoir (12) after being mixed with disinfectant through a water conveying pipeline (19);
the disinfection solution tank (10) is filled with disinfection solution, one end of a disinfection solution metering pump (11) is connected with the disinfection solution tank (10) through a drug delivery pipeline (20), the other end of the disinfection solution metering pump (11) is vertically and mutually connected with a water delivery pipeline (19) connected with a multistage filter (9) and a reclaimed water reservoir (12) through the drug delivery pipeline (20), disinfection solution is added in proportion to disinfect filtered sewage, and the sewage enters the reclaimed water reservoir (12) after reaching the standard of reclaimed water;
the reclaimed water reservoir (12) is used for storing reclaimed water reaching the standard after sewage treatment, and a reclaimed water lift pump (13) is arranged in the reclaimed water reservoir (12) and has the function of lifting and recycling the reclaimed water in the reclaimed water reservoir (12), such as car washing, greening, toilet flushing and the like.
2. The reclaimed water recycling treatment process according to claim 1, characterized in that: the flocculant and the disinfectant are both commercially available products; the sand filtration filter wall and the PP cotton filter wall are both products in the prior art, are sold in the market, and are determined by special specification negotiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225209.4A CN113800724A (en) | 2021-10-22 | 2021-10-22 | Reclaimed water recycling treatment process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111225209.4A CN113800724A (en) | 2021-10-22 | 2021-10-22 | Reclaimed water recycling treatment process |
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| CN113800724A true CN113800724A (en) | 2021-12-17 |
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| CN202111225209.4A Withdrawn CN113800724A (en) | 2021-10-22 | 2021-10-22 | Reclaimed water recycling treatment process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008018149U1 (en) * | 2008-08-12 | 2011-12-09 | Ingolf Kurtze | Device for biological-physical wastewater treatment |
| CN107032564A (en) * | 2017-06-21 | 2017-08-11 | 孙东光 | A kind of fecal treatment equipment and method |
| CN209872603U (en) * | 2019-04-19 | 2019-12-31 | 合众广源(北京)生态环境技术有限公司 | Reclaimed water recycling treatment device with high treatment capacity |
| CN111606517A (en) * | 2020-06-08 | 2020-09-01 | 碧水蓝天环境工程有限公司 | Breeding wastewater treatment process |
-
2021
- 2021-10-22 CN CN202111225209.4A patent/CN113800724A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008018149U1 (en) * | 2008-08-12 | 2011-12-09 | Ingolf Kurtze | Device for biological-physical wastewater treatment |
| CN107032564A (en) * | 2017-06-21 | 2017-08-11 | 孙东光 | A kind of fecal treatment equipment and method |
| CN209872603U (en) * | 2019-04-19 | 2019-12-31 | 合众广源(北京)生态环境技术有限公司 | Reclaimed water recycling treatment device with high treatment capacity |
| CN111606517A (en) * | 2020-06-08 | 2020-09-01 | 碧水蓝天环境工程有限公司 | Breeding wastewater treatment process |
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Application publication date: 20211217 |
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