CN111348811A - Domestic sewage treatment system and method - Google Patents
Domestic sewage treatment system and method Download PDFInfo
- Publication number
- CN111348811A CN111348811A CN202010294240.2A CN202010294240A CN111348811A CN 111348811 A CN111348811 A CN 111348811A CN 202010294240 A CN202010294240 A CN 202010294240A CN 111348811 A CN111348811 A CN 111348811A
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- domestic sewage
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- aeration tank
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- 239000010865 sewage Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005273 aeration Methods 0.000 claims abstract description 44
- 230000015556 catabolic process Effects 0.000 claims abstract description 19
- 238000006731 degradation reaction Methods 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 11
- 230000000593 degrading effect Effects 0.000 claims abstract description 10
- 239000012792 core layer Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 15
- 239000004567 concrete Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000010525 oxidative degradation reaction Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- 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
- C02F3/28—Anaerobic digestion 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of municipal engineering, and particularly discloses a domestic sewage treatment system, which comprises: the system comprises a sedimentation well, an aeration tank and an ecological wetland, wherein the aeration tank is connected with the sedimentation well, and the ecological wetland is connected with the aeration tank; the settling well is used for settling the domestic sewage and forming an anaerobic environment, and primarily degrading the domestic sewage; the aeration tank is used for carrying out sunshine and oxidation on the domestic sewage treated by the settling well and carrying out secondary degradation on the domestic sewage; the ecological wetland is used for degrading the domestic sewage treated by the aeration tank for three times through the biological purification effect. The invention also discloses a domestic sewage treatment method. The domestic sewage treatment system provided by the invention has the advantages of small floor area, low construction cost, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and the like, and can be automatically completed in the later period of operation in modes of gravity flow, natural degradation and the like, so that the defect of domestic sewage treatment in rural areas is better overcome.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a domestic sewage treatment system and a domestic sewage treatment method.
Background
For the vast rural areas, the residences are scattered and far away from towns, and are connected to sewage treatment plants in the towns, so that the construction and operation costs are high, and the residences in the rural areas, particularly the houses built by themselves, and domestic sewage cannot be effectively treated for a long time. At present, domestic sewage in rural areas is generally discharged into soil and ponds directly by pipelines or open ditches, or into soil and underground water by seepage wells. Although the domestic sewage has less pollution to the environment compared with the industrial sewage, the domestic sewage has serious harm to soil, ponds and underground water, is easy to cause soil salinization, and has serious pollution to the ponds and the underground water.
Disclosure of Invention
The invention provides a domestic sewage treatment system and a domestic sewage treatment method, which solve the problem of serious domestic sewage pollution in the related technology.
As a first aspect of the present invention, there is provided a domestic sewage treatment system comprising: the system comprises a sedimentation well, an aeration tank and an ecological wetland, wherein the aeration tank is connected with the sedimentation well, and the ecological wetland is connected with the aeration tank;
the settling well is used for settling the domestic sewage, forming an anaerobic environment and primarily degrading the domestic sewage;
the aeration tank is used for performing sunshine and oxidation on the domestic sewage treated by the settling well and performing secondary degradation on the domestic sewage;
the ecological wetland is used for degrading the domestic sewage treated by the aeration tank for three times through biological purification.
Further, the sediment well includes well lid, bottom plate and lateral wall, the bottom of lateral wall is connected the bottom plate, the top of lateral wall is connected the well lid, lateral wall, bottom plate and well lid enclose into the sedimentation space, set up sediment well import and sediment well export on the lateral wall respectively, the height that highly is less than of sediment well export sediment well import.
Further, the bottom plate includes a first wrapping layer and a first inner core layer, the first inner core layer being wrapped by the first wrapping layer except for a surface opposite the well lid.
Further, the first inner core layer is made of C20 concrete.
Furthermore, the aeration tank comprises a tank bottom wall and a tank side wall connected with the tank bottom wall, the tank bottom wall and the tank side wall enclose an oxidative degradation area, a tank water inlet is formed in the tank side wall, and the height of the tank side wall connected with the ecological wetland is lower than the height of other tank side walls.
Further, the pool bottom wall comprises a second wrapping layer and a second inner core layer, and the second inner core layer is wrapped by the second wrapping layer except for the surface facing the oxidative degradation area.
Further, the manufacturing material of the second inner core layer comprises C20 concrete.
Furthermore, the sedimentation well is connected with the aeration tank through a CN200 pipeline, and the aeration tank is in butt joint with the ecological wetland.
As another aspect of the present invention, there is provided a domestic sewage treatment method using the domestic sewage treatment system described above, including:
receiving domestic sewage, precipitating solid substances in the domestic sewage, generating an anaerobic environment capable of digesting harmful substances, and primarily degrading the domestic sewage;
carrying out sunshine and oxidation on the domestic sewage after precipitation, and carrying out secondary degradation on harmful substances in the domestic sewage;
and carrying out three-time degradation on the domestic sewage after oxidation and secondary degradation through biological purification.
According to the domestic sewage treatment system provided by the invention, the domestic sewage discharged from the domestic sewage pipeline is subjected to solid matter lining through the settling well to form an anaerobic environment, harmful substances in the domestic sewage are digested, then the domestic sewage passing through the settling well is subjected to sunlight irradiation and oxidation through the aeration tank to further digest the domestic sewage, and finally the biological purification effect on the sewage is realized through the ecological wetland. The domestic sewage treatment system has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the aspect of domestic sewage treatment in rural areas.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a plan view of a domestic sewage treatment system according to the present invention.
Fig. 2 is a sectional view of a domestic sewage treatment system according to the present invention.
Fig. 3a is a cross-sectional view of the settling well of fig. 1 taken along the line a-a'.
Fig. 3B is a cross-sectional view of the settling well of fig. 1 taken along line B-B'.
Fig. 3c is a top view of a settling well provided by the present invention.
Fig. 4a is a cross-sectional view of the aeration tank of fig. 1 taken along the direction C-C'.
Fig. 4b is a cross-sectional view of the aeration tank of fig. 1 taken along direction D-D'.
Fig. 5a is a cross-sectional view of the ecological wetland in fig. 1 from the direction of E-E'.
Fig. 5b is a sectional view of the ecological wetland in fig. 1 from the direction of F-F'.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, a domestic sewage treatment system is provided, where fig. 1 is a plan view of a domestic sewage treatment system provided according to an embodiment of the present invention, and fig. 2 is a sectional view of a domestic sewage treatment system provided according to an embodiment of the present invention, as shown in fig. 1 and 2, including: the system comprises a sedimentation well 100, an aeration tank 200 and an ecological wetland 300, wherein the aeration tank 200 is connected with the sedimentation well 100, and the ecological wetland 300 is connected with the aeration tank 200;
the settling well 100 is used for settling domestic sewage, forming an anaerobic environment and performing primary degradation on the domestic sewage;
the aeration tank 200 is used for performing sunshine and oxidation on the domestic sewage treated by the settling well and performing secondary degradation on the domestic sewage;
the ecological wetland 300 is used for degrading the domestic sewage treated by the aeration tank for three times through biological purification.
According to the domestic sewage treatment system provided by the invention, the domestic sewage discharged from the domestic sewage pipeline is subjected to solid matter lining through the settling well to form an anaerobic environment, harmful substances in the domestic sewage are digested, then the domestic sewage passing through the settling well is subjected to sunlight irradiation and oxidation through the aeration tank to further digest the domestic sewage, and finally the biological purification effect on the sewage is realized through the ecological wetland. The domestic sewage treatment system has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the aspect of domestic sewage treatment in rural areas.
Specifically, as shown in fig. 3a to 3c, the sediment trap 100 includes a well lid 110, a bottom plate 130 and a side wall 120, the bottom end of the side wall 20 is connected to the bottom plate 130, the top end of the side wall 120 is connected to the well lid 110, the side wall 120, the bottom plate 130 and the well lid 110 enclose a sediment space, a sediment trap inlet 140 and a sediment trap outlet 150 are respectively disposed on the side wall 120, and the height of the sediment trap outlet 150 is lower than the height of the sediment trap inlet 140.
In further detail, the bottom plate 130 includes a first wrapping layer 131 and a first inner core layer 132, and the first inner core layer 132 is wrapped by the first wrapping layer 131 except for a surface opposite to the well lid 110.
Preferably, the material of the first inner core layer 132 includes C20 concrete.
It should be understood that the settling well 100 is connected with a domestic sewage pipeline and connected with the aeration tank 200, the settling well 100 can dilute domestic sewage and settle solid matters in the domestic sewage, and the anaerobic environment formed by the settling well 100 is beneficial to digesting harmful substances in the domestic sewage. As shown in fig. 3a to 3c, when the sewage treatment system is used for a single household, the length and width of the settling well 100 may be 2000mm and 1000mm (without wall thickness), respectively, the distance from the bottom plate 130 of the settling well 100 to the well lid 110 may be 2000mm, and the total length of the well lid 110 of the settling well 100 is 2000mm and the total width thereof is 1250 mm. The bottom plate 130 is cast in situ by C20 concrete and is wrapped by impervious coiled materials; the side walls 120 are bricked and subjected to anti-seepage treatment. As shown in fig. 3c, the manhole cover 110 can be prefabricated by reinforced concrete, and is composed of five blocks, so that the installation and sludge removal are facilitated.
Specifically, as shown in fig. 4a and 4b, the aeration tank 200 comprises a tank bottom wall 220 and a tank side wall 210 connected with the tank bottom wall 220, the tank bottom wall 220 and the tank side wall 210 enclose an oxidative degradation area, a tank water inlet 230 is arranged on the tank side wall 210, and the height of the tank side wall 210 connected with the ecological wetland 300 is lower than the height of the other tank side walls 210.
Further specifically, the pool bottom wall 220 comprises a second wrapping layer 221 and a second inner core layer 222, and the second inner core layer 222 is wrapped by the second wrapping layer 221 except for the surface facing the oxidative degradation region.
Preferably, the material of the second inner core layer 222 includes C20 concrete.
It should be understood that the aeration tank 200 is connected with the sedimentation well 100 and the ecological wetland 300, the primarily treated sewage is discharged into the aeration tank 200, the sunlight irradiation and the oxidation act on the sewage to further digest the sewage, and the harmful substances in the sewage are degraded again. Referring to fig. 4a and 4b, the structure of the aeration tank, when the sewage treatment system is used for a single household, the length and width of the aeration tank 200 may be 2000mm (without wall thickness), the height of the side wall of the aeration tank 200 connected to the ecological wetland 300 may be 800mm, and the height of the side wall of the other side may be 1000 mm. The bottom wall 220 of the aeration tank 200 is cast-in-situ by C20 concrete and is wrapped by impervious coiled materials; the tank sidewall 210 is bricked and subjected to an anti-seepage treatment.
Specifically, the sedimentation well 100 is connected with the aeration tank 200 through a CN200 pipeline, and the aeration tank 200 is in butt joint with the ecological wetland 300.
It should be understood that the aeration tank 200 is connected to the ecological wetland 300, and sludge, plant roots and various microorganisms are arranged in the ecological wetland 300, which all have good purification effect on sewage. As shown in fig. 5a and 5b, which are layout views of the ecological wetland 300, when the domestic sewage treatment system is only used for a single household, the length and width of the ecological wetland 300 can be 4000mm, and wetland plants are planted in the wetland.
Specifically, the settling well 100 and the aeration tank 200 can be connected by a DN200 pipeline. The aeration tank 200 is in butt joint with the ecological wetland 300. The top surface of the well lid of the settling well 100 may be specifically 0.4m lower than the indoor floor. The top surface of the well lid of the settling well 100 may be 0.4m higher than the ground. The ecological wetland 300 can be specifically 0.2m lower than the ground. After the domestic sewage treatment system is built and used, sludge in the settling well is cleared every half year.
The construction requirements of sewage treatment facilities are well known to those skilled in the art and will not be described in detail here.
In conclusion, the domestic sewage treatment system provided by the embodiment of the invention has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the defects in the aspect of domestic sewage treatment in rural areas.
As another embodiment of the present invention, there is provided a domestic sewage treatment method using the domestic sewage treatment system described above, including:
receiving domestic sewage, precipitating solid substances in the domestic sewage, generating an anaerobic environment capable of digesting harmful substances, and primarily degrading the domestic sewage;
carrying out sunshine and oxidation on the domestic sewage after precipitation, and carrying out secondary degradation on harmful substances in the domestic sewage;
and carrying out three-time degradation on the domestic sewage after oxidation and secondary degradation through biological purification.
According to the domestic sewage treatment method provided by the embodiment of the invention, the domestic sewage treatment system is adopted, the solid matter lining is carried out on the domestic sewage discharged from the domestic sewage pipeline through the precipitation well, an anaerobic environment is formed, harmful substances in the domestic sewage are digested, then the domestic sewage after passing through the precipitation well is subjected to sunlight irradiation and oxidation through the aeration tank, so that the domestic sewage is further digested, and finally the biological purification effect on the sewage is realized through the ecological wetland. The domestic sewage treatment system has the advantages of small occupied area, low construction cost, automatic completion of later-stage operation in modes of gravity flow, natural degradation and the like, low manual maintenance cost, closed loop formation in the treatment process, environmental friendliness and better improvement on the aspect of domestic sewage treatment in rural areas.
For the specific implementation of the domestic sewage treatment method, reference may be made to the foregoing description of the domestic sewage treatment system, and details thereof are not repeated herein.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. A domestic sewage treatment system, comprising: the system comprises a sedimentation well, an aeration tank and an ecological wetland, wherein the aeration tank is connected with the sedimentation well, and the ecological wetland is connected with the aeration tank;
the settling well is used for settling the domestic sewage, forming an anaerobic environment and primarily degrading the domestic sewage;
the aeration tank is used for performing sunshine and oxidation on the domestic sewage treated by the settling well and performing secondary degradation on the domestic sewage;
the ecological wetland is used for degrading the domestic sewage treated by the aeration tank for three times through biological purification.
2. The domestic sewage treatment system of claim 1, wherein the settling well comprises a well lid, a bottom plate and side walls, the bottom end of each side wall is connected with the bottom plate, the top end of each side wall is connected with the well lid, the side walls, the bottom plate and the well lid enclose a settling space, a settling well inlet and a settling well outlet are respectively arranged on the side walls, and the height of the settling well outlet is lower than that of the settling well inlet.
3. The domestic sewage treatment system of claim 2 wherein said bottom plate comprises a first wrapper and a first inner core, said first inner core being wrapped by said first wrapper except for a surface opposite said well lid.
4. The domestic sewage treatment system of claim 3 wherein said first inner core layer is made of a material comprising C20 concrete.
5. The domestic sewage treatment system of claim 1, wherein the aeration tank comprises a tank bottom wall and a tank side wall connected with the tank bottom wall, the tank bottom wall and the tank side wall enclose an oxidative degradation area, a tank water inlet is formed in the tank side wall, and the height of the tank side wall connected with the ecological wetland is lower than the height of the other tank side walls.
6. The domestic sewage treatment system of claim 5 wherein said tank bottom wall comprises a second coating layer and a second inner core layer, said second inner core layer being coated by said second coating layer except for a surface facing said oxidative degradation region.
7. The domestic sewage treatment system of claim 6 wherein the second inner core layer is made of a material comprising C20 concrete.
8. The domestic sewage treatment system of claim 1 wherein said settling well is connected to said aeration tank by a CN200 pipeline, and said aeration tank is flush-jointed to said ecological wetland.
9. A domestic sewage treatment method using the domestic sewage treatment system according to any one of claims 1 to 8, comprising:
receiving domestic sewage, precipitating solid substances in the domestic sewage, generating an anaerobic environment capable of digesting harmful substances, and primarily degrading the domestic sewage;
carrying out sunshine and oxidation on the domestic sewage after precipitation, and carrying out secondary degradation on harmful substances in the domestic sewage;
and carrying out three-time degradation on the domestic sewage after oxidation and secondary degradation through biological purification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294240.2A CN111348811A (en) | 2020-04-15 | 2020-04-15 | Domestic sewage treatment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294240.2A CN111348811A (en) | 2020-04-15 | 2020-04-15 | Domestic sewage treatment system and method |
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| Publication Number | Publication Date |
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| CN111348811A true CN111348811A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010294240.2A Pending CN111348811A (en) | 2020-04-15 | 2020-04-15 | Domestic sewage treatment system and method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080251450A1 (en) * | 2007-04-12 | 2008-10-16 | Novozymes Biologicals, Inc. | Waste water treatment |
| CN203568938U (en) * | 2013-09-27 | 2014-04-30 | 南京宏博环保实业有限公司 | Domestic sewage treatment system |
| CN205011567U (en) * | 2015-08-13 | 2016-02-03 | 惠州市兴牧环保科技有限公司 | Biological wet land treatment system of domestic sewage |
| CN105859041A (en) * | 2016-05-18 | 2016-08-17 | 无锡城市发展集团有限公司 | Combined multi-level ecological unit system for deeply treating secondary effluent of sewage plant |
| WO2018129895A1 (en) * | 2017-01-16 | 2018-07-19 | 深圳市碧园环保技术有限公司 | Treatment system for rural domestic sewage |
| CN109502917A (en) * | 2018-12-25 | 2019-03-22 | 兰州交通大学 | A kind of residents underground powerless integration compound bio sewage-treatment plant and technique |
| CN212770309U (en) * | 2020-04-15 | 2021-03-23 | 无锡市政设计研究院有限公司 | Domestic sewage treatment system |
-
2020
- 2020-04-15 CN CN202010294240.2A patent/CN111348811A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080251450A1 (en) * | 2007-04-12 | 2008-10-16 | Novozymes Biologicals, Inc. | Waste water treatment |
| CN203568938U (en) * | 2013-09-27 | 2014-04-30 | 南京宏博环保实业有限公司 | Domestic sewage treatment system |
| CN205011567U (en) * | 2015-08-13 | 2016-02-03 | 惠州市兴牧环保科技有限公司 | Biological wet land treatment system of domestic sewage |
| CN105859041A (en) * | 2016-05-18 | 2016-08-17 | 无锡城市发展集团有限公司 | Combined multi-level ecological unit system for deeply treating secondary effluent of sewage plant |
| WO2018129895A1 (en) * | 2017-01-16 | 2018-07-19 | 深圳市碧园环保技术有限公司 | Treatment system for rural domestic sewage |
| CN109502917A (en) * | 2018-12-25 | 2019-03-22 | 兰州交通大学 | A kind of residents underground powerless integration compound bio sewage-treatment plant and technique |
| CN212770309U (en) * | 2020-04-15 | 2021-03-23 | 无锡市政设计研究院有限公司 | Domestic sewage treatment system |
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Application publication date: 20200630 |