CN209890436U - Integrated stabilization pond equipment for treating dispersive sewage - Google Patents
Integrated stabilization pond equipment for treating dispersive sewage Download PDFInfo
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- CN209890436U CN209890436U CN201822041470.9U CN201822041470U CN209890436U CN 209890436 U CN209890436 U CN 209890436U CN 201822041470 U CN201822041470 U CN 201822041470U CN 209890436 U CN209890436 U CN 209890436U
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 230000006641 stabilisation Effects 0.000 title claims abstract description 21
- 238000011105 stabilization Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000005192 partition Methods 0.000 claims abstract description 27
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- 239000002351 wastewater Substances 0.000 claims abstract description 13
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005243 fluidization Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 11
- 239000011574 phosphorus Substances 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000011272 standard treatment Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000010170 biological method Methods 0.000 description 3
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
An integrated stabilization pond apparatus for treating decentralized wastewater, comprising: the septic tank comprises a central inner cylinder and an outer cylinder, wherein the central inner cylinder is a septic tank reaction I area; the outer cylinder is formed by dividing the outer cylinder into different reaction zones by partition plates with different angles and surrounding the periphery of the central inner cylinder; different reaction areas of the outer barrel are a septic tank reaction area II, a septic tank reaction area III, a moving bed biomembrane reaction area and a sedimentation area in turn clockwise; the integrated stabilization pond equipment can realize the standard treatment of the dispersive sewage, particularly the domestic sewage in remote areas and rural towns through scientific and reasonable design. The equipment and the matched process thereof not only can be widely adapted to the fluctuation of water quality and water quantity, but also have the characteristics of low investment, low energy consumption and unattended operation, realize the aim of synchronous phosphorus removal while efficiently and stably removing pollutants, and ensure that the effluent can stably reach the standard for recycling.
Description
Technical Field
The utility model relates to a sewage treatment device, in particular to an integrated stabilization pond device for treating decentralized sewage.
Background
Along with the continuous improvement of the living standard of residents in China, the discharge amount of domestic sewage is increased day by day. The treatment of urban domestic sewage adopts a centralized treatment mode, namely, the treatment system consists of a sewage collection system, a centralized treatment unit and a treatment unit: the sewage collection system needs to be provided with corresponding collection pipelines, underdrains and necessary pressure lifting pump rooms to collect sewage into a centralized treatment unit in a sewage plant; the cost generated in the collection and transportation process usually accounts for more than half of the sewage treatment cost. For dispersed domestic sewage in rural towns, enterprises and public institutions, scenic spots, mines and sewage pipes which cannot reach areas, the centralized treatment mode is difficult to adapt due to the restriction of geographical conditions and economic factors, and a lot of point source sewage is directly discharged. At present, the traditional septic tank mode which is used in China all the time can only play a role in pretreatment, and is difficult to reach increasingly strict national standards. Therefore, the design and development of the integrated stabilization pond equipment for treating the dispersive sewage are necessary and efficient for making up the part which is difficult to realize large-scale treatment of sewage treatment, and the selection of the dephosphorization process also becomes a key technology.
In recent years, the discharge of a large amount of sewage containing nutrient elements such as phosphorus into a water body is a main factor causing water body eutrophication. With the stricter requirements on the phosphorus discharge standard at home and abroad, the sewage phosphorus removal technology becomes a research hotspot in the field of water treatment. The sewage dephosphorization technology can be generally divided into a biological method and a physical and chemical method. The biological method mainly depends on assimilation of activated sludge and microorganisms in a biological membrane to absorb phosphorus and then discharges residual activated sludge to remove the phosphorus, but the removal effect of the process is unstable, and particularly, sewage with high-concentration phosphorus is difficult to meet the standard for discharge; although the chemical precipitation method is stable and efficient in operation, secondary pollution is often caused, and even the addition of chemical agents can cause corrosion of equipment and the like. Compared with a biological method, the electrolytic dephosphorization technology has the advantages of high removal rate, strong selectivity and the like, and simultaneously, compared with a chemical precipitation method, the electrolytic method generates less sludge.
The dispersed sewage, especially the domestic sewage in remote areas and rural towns, has large fluctuation of water quality and water quantity in different water using periods. Therefore, the research and development of the dispersed sewage treatment process which has strong impact load resistance, low investment, low energy consumption, unattended operation, stable and efficient phosphorus removal capability is a necessary requirement for realizing effective control of dispersed sewage and is also a key point for restraining the eutrophication trend of domestic water bodies.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an integrated stabilization pond device for treating decentralized sewage, which can realize the treatment of decentralized sewage, in particular to domestic sewage in remote areas and rural towns; the equipment and the treatment process thereof not only can be widely adapted to the fluctuation of water quality and water quantity, but also have the characteristics of low investment, low energy consumption and unattended operation, can efficiently and stably remove pollutants and simultaneously realize the purpose of synchronous phosphorus removal, and ensure that the effluent stably reaches the standard and is recycled.
An integrated stabilization pond apparatus for treating decentralized wastewater, comprising: the septic tank comprises a central inner cylinder and an outer cylinder, wherein the central inner cylinder is a septic tank reaction I area; the outer cylinder is formed by dividing the outer cylinder into different reaction zones by partition plates with different angles and surrounding the periphery of the central inner cylinder; different reaction areas of the outer barrel are a septic tank reaction area II, a septic tank reaction area III, a moving bed biomembrane reaction area and a sedimentation area in turn clockwise; the bottom of the septic tank reaction I area and the bottom of the septic tank reaction II area are provided with wave bottom plates, and anaerobic bacteria sludge is paved on the bottom plates; a double-layer filter bag is arranged at an outlet of the sedimentation region and is connected with a water outlet, and activated carbon is filled in the filter bag; the moving bed biofilm reaction zone comprises an anoxic zone and an aerobic zone; a manhole cover plate is arranged above the central inner cylinder, the diameter of the manhole cover plate is larger than that of the central inner cylinder, and 2 air inlets are reserved in the side wall of the manhole cover plate.
Furthermore, a water outlet is reserved at the position, close to the bottom, of the partition plate between the septic tank reaction I area and the septic tank reaction II area; a water passing port is reserved at the middle upper part of a partition plate between the septic tank reaction II area and the septic tank reaction III area; a water passing port is reserved at the position, close to the bottom, of a partition plate between the septic tank reaction zone III and the anoxic zone of the MBBR reaction zone; a water passing opening is reserved at the middle upper part of the partition plate between the anoxic zone and the aerobic zone; a water passing port is reserved at the middle lower part of a partition plate between an aerobic zone and a precipitation zone of the MBBR reaction zone; and a water outlet pipe and an overflow weir are reserved in the settling zone.
Furthermore, suspended fillers are filled in an anoxic zone and an aerobic zone of the MBBR reaction zone; the anoxic zone of the MBBR reaction zone is provided with a stirring device and a fluidization impeller, and the bottom of the aerobic zone of the MBBR reaction zone is provided with an aeration piece which can be one of an aeration disc, an aeration pipe and a microporous aerator; a reticular electrode plate is arranged in an aerobic reaction zone of the MBBR reaction zone; the anode plate of the mesh electrode plate can be one of iron, aluminum and iron-coated titanium/ruthenium composite metal mesh plates; a water passing baffle is arranged at a water passing port of a partition plate of the aerobic zone and the sedimentation zone of the MBBR reaction zone and is used for removing gas in the aerobic zone and preventing the gas from entering the sedimentation zone along with sewage to influence the sludge-water separation effect of the sedimentation zone; the installation angle of a water passing baffle between an aerobic reaction zone and a precipitation zone of the MBBR reaction zone is between 30 and 60 degrees; a water passing port between an aerobic reaction zone and a precipitation zone of the MBBR reaction zone is provided with a porous filter screen or a grating plate to prevent filler loss;
furthermore, the shapes of the central inner cylinder and the outer cylinder are both circular; the water inlet pipe is connected with the central inner cylinder; the water inlet pipe connected with the central inner cylinder is connected with a water distribution device.
Furthermore, the volume of the septic tank reaction II area accounts for 10% -30% of the volume of the whole outer cylinder, the volume of the septic tank reaction III area accounts for 5% -20% of the volume of the whole outer cylinder, the volume of the MBBR reaction area accounts for 8% -50% of the volume of the whole outer cylinder, and the volume of the anoxic area accounts for 5% -20% of the volume of the whole outer cylinder; the volume of the settling zone accounts for 10-20% of the volume of the whole outer cylinder,
further, a bracket is arranged in the septic tank reaction III area;
furthermore, a gas stripping return pipe is arranged in the settling zone, and the return of the sludge from the settling zone to the anoxic zone is realized in a gas stripping return mode;
furthermore, a perforated pipe is arranged at an outlet of the settling zone and is connected with a water outlet pipe, and an overflow weir is arranged at the top of the settling zone and is used for adapting to the fluctuation of water amount in a peak period;
furthermore, the sedimentation zone can be provided with one of inclined tube sedimentation and inclined plate sedimentation for strengthening the sedimentation effect;
the invention aims to provide integrated stabilization pond equipment for treating dispersed sewage, which can realize standard treatment of the dispersed sewage, particularly domestic sewage in remote areas and rural towns through scientific and reasonable design. The equipment and the matched process thereof not only can be widely adapted to the fluctuation of water quality and water quantity, but also have the characteristics of low investment, low energy consumption and unattended operation, realize the aim of synchronous phosphorus removal while efficiently and stably removing pollutants, and ensure that the effluent can stably reach the standard for recycling.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic view of the top structure of the present invention
In the figure: 1. a water inlet; 2. a septic tank reaction zone I; 3. a septic tank reaction zone II; 4. a septic tank reaction zone III; 5. an anoxic zone; 6. an aerobic zone; 7. a settling zone; 8. a water outlet; 9. a water passing port between the aerobic zone and the precipitation zone; 10. a reflux pump; 11. a water outlet; 12. a central inner barrel; 13. an outer cylinder; 14. a gas stripping return pipe; 15. manhole cover plate.
Detailed Description
The following detailed description is provided for the specific embodiments, structures, features and functions of the present invention in connection with the accompanying drawings and preferred embodiments.
An integrated stabilization pond apparatus for treating decentralized wastewater, comprising: a central inner cylinder 12 and an outer cylinder 13, wherein the central inner cylinder is a septic tank reaction I area; the outer cylinder is formed by dividing the outer cylinder into different reaction zones by partition plates with different angles and surrounding the periphery of the central inner cylinder; different reaction areas of the outer barrel are a septic tank reaction area II, a septic tank reaction area III 4, a moving bed biomembrane reaction area and a sedimentation area in turn clockwise; the bottoms of the septic tank reaction I area 2 and the septic tank reaction II area 3 are provided with wave bottom plates, and anaerobic bacteria sludge is paved on the bottom plates; a double-layer filter bag is arranged at the outlet of the settling zone 7 and is connected with a water outlet 11, and activated carbon is filled in the filter bag; the moving bed biofilm reaction zone comprises an anoxic zone 5 and an aerobic zone 6; a manhole cover plate 15 is arranged above the central inner cylinder, the diameter of the manhole cover plate is larger than that of the central inner cylinder, and 2 air inlets are reserved in the side wall of the manhole cover plate.
Furthermore, a water outlet 8 is reserved at the position, close to the bottom, of the partition plate between the septic tank reaction I area and the septic tank reaction II area; a water passing port 9 is reserved at the middle upper part of a partition plate between the septic tank reaction II area and the septic tank reaction III area; a water passing port is reserved at the position, close to the bottom, of a partition plate between the septic tank reaction zone III and the anoxic zone of the MBBR reaction zone; a water passing opening is reserved at the middle upper part of the partition plate between the anoxic zone and the aerobic zone; a water passing port is reserved at the middle lower part of a partition plate between an aerobic zone and a precipitation zone of the MBBR reaction zone; and a water outlet pipe and an overflow weir are reserved in the settling zone.
Furthermore, suspended fillers are filled in an anoxic zone and an aerobic zone of the MBBR reaction zone; the anoxic zone of the MBBR reaction zone is provided with a stirring device and a fluidization impeller, and the bottom of the aerobic zone of the MBBR reaction zone is provided with an aeration piece which can be one of an aeration disc, an aeration pipe and a microporous aerator; a reticular electrode plate is arranged in an aerobic reaction zone of the MBBR reaction zone; the anode plate of the mesh electrode plate can be one of iron, aluminum and iron-coated titanium/ruthenium composite metal mesh plates; a water passing baffle is arranged at a water passing port of a partition plate of the aerobic zone and the sedimentation zone of the MBBR reaction zone and is used for removing gas in the aerobic zone and preventing the gas from entering the sedimentation zone along with sewage to influence the sludge-water separation effect of the sedimentation zone; the installation angle of a water passing baffle between an aerobic reaction zone and a precipitation zone of the MBBR reaction zone is between 30 and 60 degrees; a water passing port between an aerobic reaction zone and a precipitation zone of the MBBR reaction zone is provided with a porous filter screen or a grating plate to prevent filler loss;
furthermore, the shapes of the central inner cylinder and the outer cylinder are both circular; the water inlet pipe is connected with the central inner cylinder; the water inlet pipe connected with the central inner cylinder is connected with a water distribution device.
Furthermore, the volume of the septic tank reaction II area accounts for 10% -30% of the volume of the whole outer cylinder, the volume of the septic tank reaction III area accounts for 5% -20% of the volume of the whole outer cylinder, the volume of the MBBR reaction area accounts for 8% -50% of the volume of the whole outer cylinder, and the volume of the anoxic area accounts for 5% -20% of the volume of the whole outer cylinder; the volume of the settling zone accounts for 10-20% of the volume of the whole outer cylinder,
further, a bracket is arranged in the septic tank reaction III area;
further, a gas stripping return pipe 14 is arranged in the settling zone, and the return of the sludge from the settling zone to the anoxic zone is realized in a gas stripping return mode;
furthermore, a perforated pipe is arranged at an outlet of the settling zone and is connected with a water outlet pipe, and an overflow weir is arranged at the top of the settling zone and is used for adapting to the fluctuation of water amount in a peak period;
furthermore, the sedimentation zone can be provided with one of inclined tube sedimentation and inclined plate sedimentation for strengthening the sedimentation effect;
the invention aims to provide integrated stabilization pond equipment for treating dispersed sewage, which can realize standard treatment of the dispersed sewage, particularly domestic sewage in remote areas and rural towns through scientific and reasonable design. The equipment and the matched process thereof not only can be widely adapted to the fluctuation of water quality and water quantity, but also have the characteristics of low investment, low energy consumption and unattended operation, realize the aim of synchronous phosphorus removal while efficiently and stably removing pollutants, and ensure that the effluent can stably reach the standard for recycling.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. An integrated stabilization pond apparatus for treating decentralized wastewater, comprising: the septic tank comprises a central inner cylinder and an outer cylinder, wherein the central inner cylinder is a septic tank reaction I area; the outer cylinder is formed by dividing the outer cylinder into different reaction zones by partition plates with different angles and surrounding the periphery of the central inner cylinder; different reaction areas of the outer barrel are a septic tank reaction area II, a septic tank reaction area III, a moving bed biomembrane reaction area and a sedimentation area in turn clockwise; the bottom of the septic tank reaction I area and the bottom of the septic tank reaction II area are provided with wave bottom plates, and anaerobic bacteria sludge is paved on the bottom plates; a double-layer filter bag is arranged at an outlet of the sedimentation region and is connected with a water outlet, and activated carbon is filled in the filter bag; the moving bed biofilm reaction zone comprises an anoxic zone and an aerobic zone; a manhole cover plate is arranged above the central inner cylinder, the diameter of the manhole cover plate is larger than that of the central inner cylinder, and 2 air inlets are reserved in the side wall of the manhole cover plate.
2. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: a water outlet is reserved at the position, close to the bottom, of the partition plate between the septic tank reaction I area and the septic tank reaction II area; a water passing port is reserved at the middle upper part of a partition plate between the septic tank reaction II area and the septic tank reaction III area; a water passing port is reserved at the position, close to the bottom, of a partition plate between the septic tank reaction zone III and the anoxic zone of the MBBR reaction zone; a water passing opening is reserved at the middle upper part of the partition plate between the anoxic zone and the aerobic zone; a water passing port is reserved at the middle lower part of a partition plate between an aerobic zone and a precipitation zone of the MBBR reaction zone; and a water outlet pipe and an overflow weir are reserved in the settling zone.
3. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: a water outlet is reserved at the position, close to the bottom, of the partition plate between the septic tank reaction I area and the septic tank reaction II area; a water passing port is reserved at the middle upper part of a partition plate between the septic tank reaction II area and the septic tank reaction III area; a water passing port is reserved at the position, close to the bottom, of a partition plate between the septic tank reaction zone III and the anoxic zone of the MBBR reaction zone; a water passing opening is reserved at the middle upper part of the partition plate between the anoxic zone and the aerobic zone; a water passing port is reserved at the middle lower part of a partition plate between an aerobic zone and a precipitation zone of the MBBR reaction zone; and a water outlet pipe and an overflow weir are reserved in the settling zone.
4. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 2, characterized in that: suspended fillers are filled in an anoxic zone and an aerobic zone of the MBBR reaction zone; the anoxic zone of the MBBR reaction zone is provided with a stirring device and a fluidization impeller, and the bottom of the aerobic zone of the MBBR reaction zone is provided with an aeration piece which can be one of an aeration disc, an aeration pipe and a microporous aerator; a reticular electrode plate is arranged in an aerobic reaction zone of the MBBR reaction zone; the anode plate of the mesh electrode plate can be one of iron, aluminum and iron-coated titanium/ruthenium composite metal mesh plates; a water passing baffle is arranged at a water passing port of a partition plate of the aerobic zone and the sedimentation zone of the MBBR reaction zone and is used for removing gas in the aerobic zone and preventing the gas from entering the sedimentation zone along with sewage to influence the sludge-water separation effect of the sedimentation zone; the installation angle of a water passing baffle between an aerobic reaction zone and a precipitation zone of the MBBR reaction zone is between 30 and 60 degrees; a water passing port between an aerobic reaction zone and a precipitation zone of the MBBR reaction zone is provided with a porous filter screen or a grid plate to prevent filler loss.
5. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: the central inner cylinder and the outer cylinder are both circular; the water inlet pipe is connected with the central inner cylinder; the water inlet pipe connected with the central inner cylinder is connected with a water distribution device.
6. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: the volume of the septic tank reaction II area accounts for 10% -30% of the volume of the whole outer cylinder, the volume of the septic tank reaction III area accounts for 5% -20% of the volume of the whole outer cylinder, the volume of the MBBR reaction area accounts for 8% -50% of the volume of the whole outer cylinder, and the volume of the anoxic area accounts for 5% -20% of the volume of the whole outer cylinder; the volume of the settling zone accounts for 10-20% of the volume of the whole outer cylinder.
7. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: and a bracket is arranged in the septic tank reaction III area.
8. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: and a gas stripping return pipe is arranged in the settling zone, and the return of the sludge from the settling zone to the anoxic zone is realized in a gas stripping return mode.
9. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: the outlet of the settling zone is provided with a perforated pipe which is connected with a water outlet pipe, and the top of the settling zone is provided with an overflow weir for adapting to the fluctuation of water amount in the peak period.
10. An integrated stabilization pond installation for the treatment of decentralized wastewater according to claim 1, characterized in that: the sedimentation zone can be provided with one of inclined tube sedimentation and inclined plate sedimentation for strengthening the sedimentation effect.
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| CN201822041470.9U CN209890436U (en) | 2018-12-06 | 2018-12-06 | Integrated stabilization pond equipment for treating dispersive sewage |
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| CN201822041470.9U CN209890436U (en) | 2018-12-06 | 2018-12-06 | Integrated stabilization pond equipment for treating dispersive sewage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723545A (en) * | 2021-01-25 | 2021-04-30 | 武汉光谷环保科技股份有限公司 | Sludge self-refluxing structure and sewage treatment device and method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723545A (en) * | 2021-01-25 | 2021-04-30 | 武汉光谷环保科技股份有限公司 | Sludge self-refluxing structure and sewage treatment device and method |
| CN112723545B (en) * | 2021-01-25 | 2023-10-27 | 武汉光谷环保科技股份有限公司 | Sludge self-backflow structure and sewage treatment device and method |
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