CN112694227A - Rural domestic sewage treatment system and control method thereof - Google Patents
Rural domestic sewage treatment system and control method thereof Download PDFInfo
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- CN112694227A CN112694227A CN202110158964.9A CN202110158964A CN112694227A CN 112694227 A CN112694227 A CN 112694227A CN 202110158964 A CN202110158964 A CN 202110158964A CN 112694227 A CN112694227 A CN 112694227A
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- 239000010865 sewage Substances 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004062 sedimentation Methods 0.000 claims abstract description 43
- 239000010802 sludge Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 230000001105 regulatory effect Effects 0.000 claims description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 230000001546 nitrifying effect Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- 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
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- 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
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
Abstract
The invention relates to a rural domestic sewage treatment system and a control method thereof, belonging to the technical field of domestic sewage treatment. The sewage treatment system comprises a sludge concentration tank communicated with a sewage delivery pipe, an adjusting tank is arranged at the side end of the sludge concentration tank, and an inclined tube sedimentation tank is arranged between the adjusting tank and the sludge concentration tank. Has the characteristics of good operation stability, complete functions and good sewage treatment effect. The problem of sewage reuse rate is low is solved. Improve the filtering effect and efficiency and reduce the sewage discharge.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment, in particular to a rural domestic sewage treatment system and a control method thereof.
Background
The shortage of resources is a phenomenon of water resource shortage, because the total amount of water on the earth is certain, the total amount of drinking fresh water is less, and the problem of water resource shortage is increasingly obvious along with the fact that utilization and unreasonable waste are more and more severe. For the solution of water shortage, the most promising would be the development of those unusable waters, such as sewage reuse. The sewage reuse can not only effectively save and utilize limited and precious fresh water resources, but also reduce the discharge amount of sewage or waste water, lighten the pollution of water environment, relieve the overload phenomenon of urban drainage pipelines, and have obvious social benefit, environmental benefit and economic benefit.
At present, rural sewage treatment facilities are generally simpler in structure and comprise two parts, namely a water inlet adjusting tank and a sewage treatment device, wherein the sewage treatment device is mainly divided into a biological treatment device and an ecological treatment device. In the existing domestic sewage treatment equipment, water in the primary sedimentation tank flows into the secondary sedimentation tank through overflow, namely when the water level in the primary sedimentation tank is higher than a partition plate between the primary sedimentation tank and the secondary sedimentation tank, the water can enter the secondary sedimentation tank, so that if the primary sedimentation tank is full of water, organic matters floating on the surface of the domestic sewage just entering the primary sedimentation tank can enter the secondary sedimentation tank along with the overflow water after the organic matters floating on the surface of the domestic sewage (such as vegetable leaves, food residues and the like) do not reach the sediment, and similarly, because the water in the secondary sedimentation tank flows into the clear water tank through overflow, namely when the water level in the secondary sedimentation tank is higher than the partition plate between the clear water tank, the water can enter the clear water tank, the organic matters floating on the upper end of the secondary sedimentation tank can also enter the clear water tank, so that the organic matters in the domestic sewage can not be effectively and completely treated, the quality of water discharged from the clean water tank can not reach the standard, thereby causing different degrees of influence on the environment.
Moreover, the organic matters precipitated at the inner lower part of the box body primary sedimentation tank of the existing domestic sewage treatment equipment are subjected to oxidative degradation at normal temperature, and the like, and particularly, when the temperature is too low in winter, the rate of the oxidative degradation is slower, so that the water in the organic waste-containing primary sedimentation tank cannot be effectively treated before entering the secondary sedimentation tank, and the water quality discharged by the corresponding clean water tank cannot reach the standard.
Disclosure of Invention
The invention mainly solves the defects of poor operation stability and poor sewage treatment effect in the prior art, and provides a rural domestic sewage treatment system and a control method thereof, which have the characteristics of good operation stability, complete functions and good sewage treatment effect. The problem of sewage reuse rate is low is solved. Improve the filtering effect and efficiency and reduce the sewage discharge.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a rural domestic sewage treatment system, includes the vegetation ground, the vegetation ground in be equipped with sewage treatment system, vegetation ground side be equipped with the ditch that is linked together with sewage treatment system, ditch and vegetation ground between be equipped with the sewage conveyer pipe that is linked together with sewage treatment system. The sewage treatment system comprises a sludge concentration tank communicated with a sewage delivery pipe, an adjusting tank is arranged at the side end of the sludge concentration tank, and an inclined tube sedimentation tank is arranged between the adjusting tank and the sludge concentration tank.
Preferably, an anoxic and aerobic reactor is arranged between the inclined tube sedimentation tank and the regulating tank, an anaerobic and anoxic reactor is arranged between the anoxic and aerobic reactor and the regulating tank, and an aerobic reactor is arranged between the anaerobic and anoxic reactor and the anoxic and aerobic reactor.
Preferably, fans are arranged on the outer side of the aerobic reactor, and air supply pipes are arranged between the fans and the anoxic aerobic reactor and between the fans and the aerobic reactor.
Preferably, an intermediate water tank is arranged between the anoxic and aerobic reactor and the inclined tube sedimentation tank, and liquid pumps are arranged between the intermediate water tank and the inclined tube sedimentation tank, between the intermediate water tank and the anaerobic anoxic reactor, between the inclined tube sedimentation tank and the sludge concentration tank, on the anoxic and aerobic reactor and on the aerobic reactor.
Preferably, connecting pipes are arranged between the aerobic reactor and the anoxic aerobic reactor, between the aerobic reactor and the anaerobic anoxic reactor, and between the anoxic aerobic reactor and the intermediate water tank.
Preferably, a control cabinet which is communicated with the anoxic and aerobic reactor, the anaerobic and anoxic reactor and the liquid pump phase circuit is arranged at the side edge of the inclined tube sedimentation tank. The control cabinet is communicated with the overflow valve, the sewage lifting pump and the fan homogeneous phase circuit.
Preferably, the upper part of the anaerobic anoxic reactor is provided with a sewage inlet pipe communicated with the regulating tank, the regulating tank is internally provided with a plurality of sewage lifting pumps, and a sewage conveying pipe is arranged between each sewage lifting pump and the anaerobic anoxic reactor.
Preferably, the upper end of the inclined tube sedimentation tank is provided with an overflow valve.
The control method of the rural domestic sewage treatment system comprises the following operation steps:
the first step is as follows: rural domestic sewage enters a regulating tank through a coarse-fine barrier and a sewage conveying pipe on a road, and then enters an anaerobic anoxic reactor through a sewage lifting pump and a sewage conveying pipe to perform anaerobic dilute phosphorus and anoxic denitrification.
The second step is that: then enters an aerobic reactor to carry out the first internal circulation to realize the process of removing BOD and nitrifying the dilute phosphorus by primary aerobic treatment, and then enters an anoxic aerobic reactor to carry out the second internal circulation to realize the process of removing BOD and nitrifying the dilute phosphorus by secondary aerobic treatment.
The third step: then the sewage enters an intermediate water tank and then enters an inclined tube sedimentation tank, the upper layer water after sedimentation is recycled to discharge water, the sludge at the bottom enters a sludge concentration tank, and the sludge mixed liquid in the intermediate layer enters an anaerobic anoxic reactor again.
The fourth step: and finally, returning supernatant liquor of the sludge concentration tank to the regulating tank through a sewage inlet pipe, and drying and transporting bottom sludge.
The invention can achieve the following effects:
compared with the prior art, the rural domestic sewage treatment system and the control method thereof have the characteristics of good operation stability, complete functions and good sewage treatment effect. The problem of sewage reuse rate is low is solved. Improve the filtering effect and efficiency and reduce the sewage discharge.
Drawings
Fig. 1 is a schematic plan view of the present invention.
FIG. 2 is a schematic view showing the construction of a sewage treatment system according to the present invention.
FIG. 3 is a schematic structural diagram of an anoxic and aerobic reactor according to the present invention.
FIG. 4 is a schematic structural diagram of an aerobic reactor in the present invention.
FIG. 5 is a schematic structural view of an anaerobic anoxic reactor according to the present invention.
FIG. 6 is a process flow diagram of the present invention.
FIG. 7 is a diagram of a PLC water treatment system in accordance with the present invention.
In the figure: the system comprises a sewage treatment system 1, a water ditch 2, a sewage delivery pipe 3, a vegetation area 4, a sludge concentration tank 5, an overflow valve 6, an inclined-tube sedimentation tank 7, a control cabinet 8, an anoxic and aerobic reactor 9, an air feed pipe 10, an aerobic reactor 11, a fan 12, an anaerobic and anoxic reactor 13, a sewage feed pipe 14, a sewage feed pipe 15, an adjusting tank 16, a sewage lifting pump 17, a connecting pipe 18, an intermediate water tank 19 and a liquid pump 20.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in figures 1-7, a rural domestic sewage treatment system comprises a vegetation land 4, a sewage treatment system 1 is arranged in the vegetation land 4, a water channel 2 communicated with the sewage treatment system 1 is arranged on the side edge of the vegetation land 4, and a sewage conveying pipe 3 communicated with the sewage treatment system 1 is arranged between the water channel 2 and the vegetation land 4. The sewage treatment system 1 comprises a sludge concentration tank 5 communicated with a sewage delivery pipe 3, an adjusting tank 16 is arranged at the side end of the sludge concentration tank 5, and an inclined tube sedimentation tank 7 is arranged between the adjusting tank 16 and the sludge concentration tank 5. The upper end of the inclined tube sedimentation tank 7 is provided with an overflow valve 6. An anoxic and aerobic reactor 9 is arranged between the inclined tube sedimentation tank 7 and the regulating tank 16, an anaerobic and anoxic reactor 13 is arranged between the anoxic and aerobic reactor 9 and the regulating tank 16, a sewage inlet pipe 15 communicated with the regulating tank 16 is arranged at the upper part of the anaerobic and anoxic reactor 13, 2 sewage lifting pumps 17 are arranged in the regulating tank 16, and a sewage conveying pipe 14 is arranged between the sewage lifting pumps 17 and the anaerobic and anoxic reactor 13. An aerobic reactor 11 is arranged between the anaerobic anoxic reactor 13 and the anoxic aerobic reactor 9. A fan 12 is arranged outside the aerobic reactor 11, and air feed pipes 10 are respectively arranged between the fan 12 and the anoxic aerobic reactor 9 and between the fan 12 and the aerobic reactor 11.
An intermediate water tank 19 is arranged between the anoxic aerobic reactor 9 and the inclined tube sedimentation tank 7, and liquid pumping pumps 20 are respectively arranged between the intermediate water tank 19 and the inclined tube sedimentation tank 7, between the intermediate water tank 19 and the anaerobic anoxic reactor 13, between the inclined tube sedimentation tank 7 and the sludge concentration tank 5, on the anoxic aerobic reactor 9 and on the aerobic reactor 11. Connecting pipes 18 are arranged between the aerobic reactor 11 and the anoxic aerobic reactor 9, between the aerobic reactor 11 and the anaerobic anoxic reactor 13, and between the anoxic aerobic reactor 9 and the intermediate water tank 19. The side of the inclined tube sedimentation tank 7 is provided with a control cabinet 8 which is in circuit communication with an anoxic and aerobic reactor 9, an aerobic reactor 11, an anaerobic and anoxic reactor 13 and an extraction pump 20.
The control method of the rural domestic sewage treatment system comprises the following operation steps:
the first step is as follows: rural domestic sewage enters a regulating tank 16 from a thick and thin barrier and a sewage conveying pipe 3 on a road, and then enters an anaerobic anoxic reactor 13 by adopting a sewage lifting pump 17 and a sewage conveying pipe 14 to carry out anaerobic dilute phosphorus and anoxic denitrification.
The second step is that: then enters an aerobic reactor 11 for the first internal circulation to realize the process of removing BOD and nitrifying the dilute phosphorus by primary aerobic treatment, and then enters an anoxic aerobic reactor 9 for the second internal circulation to realize the process of removing BOD and nitrifying the dilute phosphorus by secondary aerobic treatment.
The third step: then the sewage enters an intermediate water tank 19 and then enters an inclined tube sedimentation tank 7, the upper layer water after sedimentation is recycled to discharge water, the sludge at the bottom enters a sludge concentration tank 5, and the sludge mixed liquid in the intermediate layer enters an anaerobic anoxic reactor 13 again.
The fourth step: and finally, returning supernatant liquor of the sludge concentration tank 5 to the regulating tank 16 through the sewage inlet pipe 15, and drying and transporting bottom sludge.
In conclusion, the rural domestic sewage treatment system and the control method thereof have the characteristics of good operation stability, complete functions and good sewage treatment effect. The problem of sewage reuse rate is low is solved. Improve the filtering effect and efficiency and reduce the sewage discharge.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (9)
1. A rural domestic sewage treatment system is characterized in that: the vegetation land comprises a vegetation land (4), wherein a sewage treatment system (1) is arranged in the vegetation land (4), a water ditch (2) communicated with the sewage treatment system (1) is arranged on the side edge of the vegetation land (4), and a sewage conveying pipe (3) communicated with the sewage treatment system (1) is arranged between the water ditch (2) and the vegetation land (4); the sewage treatment system (1) comprises a sludge concentration tank (5) communicated with a sewage delivery pipe (3), an adjusting tank (16) is arranged at the side end of the sludge concentration tank (5), and an inclined tube sedimentation tank (7) is arranged between the adjusting tank (16) and the sludge concentration tank (5).
2. The rural domestic sewage treatment system of claim 1, wherein: an anoxic and aerobic reactor (9) is arranged between the inclined tube sedimentation tank (7) and the regulating tank (16), an anaerobic and anoxic reactor (13) is arranged between the anoxic and aerobic reactor (9) and the regulating tank (16), and an aerobic reactor (11) is arranged between the anaerobic and anoxic reactor (13) and the anoxic and aerobic reactor (9).
3. The rural domestic sewage treatment system of claim 2, wherein: a fan (12) is arranged on the outer side of the aerobic reactor (11), and air supply pipes (10) are arranged between the fan (12) and the anoxic aerobic reactor (9) and between the fan (12) and the aerobic reactor (11).
4. The rural domestic sewage treatment system of claim 2, wherein: the anaerobic and aerobic reactor is characterized in that an intermediate water tank (19) is arranged between the anaerobic and aerobic reactor (9) and the inclined tube sedimentation tank (7), the intermediate water tank (19) and the anaerobic anoxic reactor (13), the inclined tube sedimentation tank (7) and the sludge concentration tank (5), the anaerobic and aerobic reactor (9) and the aerobic reactor (11) are respectively provided with a liquid pump (20).
5. The rural domestic sewage treatment system of claim 4, wherein: and connecting pipes (18) are respectively arranged between the aerobic reactor (11) and the anoxic aerobic reactor (9), between the aerobic reactor (11) and the anaerobic anoxic reactor (13), and between the anoxic aerobic reactor (9) and the intermediate water tank (19).
6. The rural domestic sewage treatment system of claim 4, wherein: the side of the inclined tube sedimentation tank (7) is provided with a control cabinet (8) which is communicated with an anoxic and aerobic reactor (9), an aerobic reactor (11), an anaerobic and anoxic reactor (13) and a liquid pump (20) through circuits.
7. The rural domestic sewage treatment system of claim 2, wherein: the anaerobic anoxic reactor (13) is characterized in that a sewage inlet pipe (15) communicated with an adjusting tank (16) is arranged at the upper part of the anaerobic anoxic reactor (13), a plurality of sewage lifting pumps (17) are arranged in the adjusting tank (16), and a sewage conveying pipe (14) is arranged between each sewage lifting pump (17) and the anaerobic anoxic reactor (13).
8. The rural domestic sewage treatment system of claim 1, wherein: and an overflow valve (6) is arranged at the upper end of the inclined tube sedimentation tank (7).
9. A control method of a rural domestic sewage treatment system is characterized by comprising the following operation steps:
the first step is as follows: rural domestic sewage enters a regulating tank (16) from a coarse and fine grid on a road and a sewage conveying pipe (3), and then enters an anaerobic anoxic reactor (13) by adopting a sewage lifting pump (17) and a sewage conveying pipe (14) to carry out anaerobic dilute phosphorus and anoxic denitrification;
the second step is that: then enters an aerobic reactor (11) for primary internal circulation to realize the process of removing BOD and nitrifying the dilute phosphorus by primary aerobic treatment, and then enters an anoxic aerobic reactor (9) for secondary internal circulation to realize the process of removing BOD and nitrifying the dilute phosphorus by secondary aerobic treatment;
the third step: then the sewage enters an intermediate water tank (19) and then enters an inclined tube sedimentation tank (7), the upper layer water after sedimentation is recycled to discharge water, the sludge at the bottom enters a sludge concentration tank (5), and the sludge mixed liquid in the intermediate layer enters an anaerobic anoxic reactor (13) again;
the fourth step: and finally, returning supernatant liquor of the sludge concentration tank (5) to the regulating tank (16) through a sewage inlet pipe (15), and drying the bottom sludge and then transporting the dried bottom sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158964.9A CN112694227A (en) | 2021-02-05 | 2021-02-05 | Rural domestic sewage treatment system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158964.9A CN112694227A (en) | 2021-02-05 | 2021-02-05 | Rural domestic sewage treatment system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112694227A true CN112694227A (en) | 2021-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110158964.9A Pending CN112694227A (en) | 2021-02-05 | 2021-02-05 | Rural domestic sewage treatment system and control method thereof |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208265969U (en) * | 2018-03-29 | 2018-12-21 | 湖南前元智慧管业股份有限公司 | rural sewage treatment system |
| CN209098457U (en) * | 2018-11-01 | 2019-07-12 | 广东省重工建筑设计院有限公司 | A kind of domestic sewage processing system |
| CN110078319A (en) * | 2019-06-11 | 2019-08-02 | 湖南艾布鲁环保科技股份有限公司 | Rural area distributing microkinetic biological treatment device for sewage and the sewage disposal system comprising it |
| CN111138024A (en) * | 2019-06-18 | 2020-05-12 | 苏州科技大学 | Integrated vertical circulating reactor for nitrogen and phosphorus removal of sewage |
| CN111792798A (en) * | 2020-08-11 | 2020-10-20 | 河北冀水规划设计有限公司 | Rural domestic sewage combined type ecological purification system |
| CN214528602U (en) * | 2021-02-05 | 2021-10-29 | 杭州驰丰机械有限公司 | Rural domestic sewage treatment system |
-
2021
- 2021-02-05 CN CN202110158964.9A patent/CN112694227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208265969U (en) * | 2018-03-29 | 2018-12-21 | 湖南前元智慧管业股份有限公司 | rural sewage treatment system |
| CN209098457U (en) * | 2018-11-01 | 2019-07-12 | 广东省重工建筑设计院有限公司 | A kind of domestic sewage processing system |
| CN110078319A (en) * | 2019-06-11 | 2019-08-02 | 湖南艾布鲁环保科技股份有限公司 | Rural area distributing microkinetic biological treatment device for sewage and the sewage disposal system comprising it |
| CN111138024A (en) * | 2019-06-18 | 2020-05-12 | 苏州科技大学 | Integrated vertical circulating reactor for nitrogen and phosphorus removal of sewage |
| CN111792798A (en) * | 2020-08-11 | 2020-10-20 | 河北冀水规划设计有限公司 | Rural domestic sewage combined type ecological purification system |
| CN214528602U (en) * | 2021-02-05 | 2021-10-29 | 杭州驰丰机械有限公司 | Rural domestic sewage treatment system |
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Application publication date: 20210423 |