CN112830572A - Sewage treatment tank and sewage treatment method - Google Patents
Sewage treatment tank and sewage treatment method Download PDFInfo
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- CN112830572A CN112830572A CN202110213084.7A CN202110213084A CN112830572A CN 112830572 A CN112830572 A CN 112830572A CN 202110213084 A CN202110213084 A CN 202110213084A CN 112830572 A CN112830572 A CN 112830572A
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- tank
- magnetic
- aerobic tank
- sewage treatment
- activated sludge
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- 239000010865 sewage Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000010802 sludge Substances 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000005273 aeration Methods 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 11
- 244000005700 microbiome Species 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims 3
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000004103 aerobic respiration Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses a sewage treatment tank, which comprises an aerobic tank and a sedimentation tank, wherein the aerobic tank is provided with a water inlet, a sewage outlet and an aeration device; the sedimentation tank is arranged in the aerobic tank, the sedimentation tank is provided with a filtering device and a water outlet, the water outlet is arranged at the upper part of the filtering device, and the lower part of the filtering device is communicated with the aerobic tank; the filtering device comprises grid baffles, magnetic filtering materials and a magnetic driving device, wherein the grid baffles are provided with at least 2 layers, the magnetic filtering materials are arranged between the grid baffles, and the magnetic driving device drives the magnetic filtering materials to move up and down. Solves the problems of large active sludge backflow occupation, low efficiency, high energy consumption, easy sludge loss and low sewage treatment efficiency in the prior art. The invention also discloses a sewage treatment method of the sewage treatment tank.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a sewage treatment tank and a sewage treatment method.
Background
The activated sludge process is an aerobic biological treatment method of sewage, which is to continuously mix and culture sewage and various microorganism populations under the condition of artificial oxygenation to form activated sludge, and utilize the biological coagulation, adsorption and oxidation of the activated sludge to decompose and remove organic pollutants in the sewage, and can remove soluble and colloidal biochemical organic matters, suspended solids and other substances adsorbed by the activated sludge, and also can remove a part of phosphorus and ammonia from the sewage.
The typical activated sludge process consists of an aeration tank, a sedimentation tank, a sludge recirculation system and a surplus sludge removal system. Sewage and returned activated sludge enter the aeration tank together to form mixed liquid, the dissolved oxygen content in the sewage is increased through the aeration device, the mixed liquid is in a violent stirring state, the dissolved oxygen and the activated sludge are in full contact with the sewage, and the activated sludge reaction is normally carried out.
The mixed liquid after the purification action of the activated sludge enters a sedimentation tank, the activated sludge and other solid matters suspended in the mixed liquid are precipitated and separated from water, and the clarified sewage is discharged as treated water; and the sludge concentrated by sedimentation is discharged from the bottom of the sedimentation tank, and most of the sludge is taken as inoculation sludge and flows back to the aeration tank so as to ensure the concentration of suspended solids and the concentration of microorganisms in the aeration tank.
The control of the return flow of sludge during the treatment by the activated sludge process is very important. At present, usually through sedimentation tank with sludge sedimentation, adopt the sludge reflux pump to carry out the mud backward flow again, there take up an area of big, inefficiency, energy consumption height, and easily lead to the loss of mud, lead to sewage treatment's inefficiency problem.
Disclosure of Invention
The application provides a sewage treatment pond, it is big to have solved among the prior art activated sludge backflow occupation of land, inefficiency, the problem that the energy consumption is high, and easily lead to the loss of mud, the problem that leads to sewage treatment's inefficiency, the separation efficiency of mud has been improved through magnetism solid-liquid separation equipment, the area of sedimentation tank has been reduced greatly, thereby can be with in sedimentation tank coupling to good oxygen pond, activated sludge's automatic backward flow has been realized, the energy consumption is reduced, sewage treatment's efficiency and treatment effect have been improved.
The embodiment of the application provides a sewage treatment tank, which comprises an aerobic tank and a sedimentation tank, wherein the aerobic tank is provided with a water inlet, a sewage outlet and an aeration device, and the aeration device is arranged at the bottom of the aerobic tank; the sedimentation tank is arranged in the aerobic tank, the sedimentation tank is provided with a filtering device and a water outlet, the water outlet is arranged at the upper part of the filtering device, and the lower part of the filtering device is communicated with the aerobic tank; the filtering device comprises grid baffles, magnetic filtering materials and a magnetic driving device, wherein the grid baffles are provided with at least 2 layers, the magnetic filtering materials are arranged between the grid baffles, and the magnetic driving device drives the magnetic filtering materials to move up and down.
Furthermore, the magnetic filter material is porous particles mixed with the magnetic material, and the particle size of the magnetic filter material is 5-50 mm.
Furthermore, the laying thickness of the magnetic filter materials is 0.1-1m, and the laying thickness of the magnetic filter materials is smaller than the height between the grid plates.
Further, the magnetic driving mechanism is an electromagnet.
Furthermore, an inclined mud guide plate is arranged at the bottom of the sedimentation tank.
The embodiment of the application also provides a sewage treatment method according to any one of the sewage treatment tanks, which comprises the following steps:
s1, leading raw water containing activated sludge into the aerobic tank from the water inlet;
s2, aerating the raw water through an aeration device at the bottom of the aerobic tank to supply oxygen for microorganisms, and generating a stirring effect at the same time, so that the oxygen, water in the raw water and activated sludge are fully mixed to form a mixed solution, and the biological treatment efficiency is improved;
s3, enabling the mixed liquor after biological treatment to pass through the filtering device from bottom to top, enabling filtered clear water to flow out of a water outlet of the sedimentation tank, intercepting activated sludge by the filtering device to flow back into the aerobic tank, and discharging redundant activated sludge from a sewage outlet.
Further, the sewage treatment method also comprises the following steps:
s31, discontinuously starting the magnetic driving device to drive the magnetic filter materials to move up and down, so that the activated sludge blocked between the filter materials falls and flows back to the aerobic tank.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the magnetic solid-liquid separation device improves the separation efficiency of the sludge, greatly reduces the occupied area of the sedimentation tank, can couple the sedimentation tank to the aerobic tank, realizes automatic backflow of activated sludge, reduces energy consumption, improves sludge backflow efficiency, further improves the efficiency and treatment effect of sewage treatment, and solves the problems that the backflow of the activated sludge in the prior art is large in occupied area, low in efficiency and high in energy consumption, and easily causes the loss of the sludge, and the efficiency of the sewage treatment is low.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
In the drawings, there is shown: 1. an aerobic tank; 11. a water inlet; 12. an aeration device; 13. a sewage draining outlet; 2. a sedimentation tank; 21. a filtration device; 211. a grid baffle; 212. a magnetic filter material; 213. a magnetic drive device; 22. a water outlet; 23. a mud guide plate.
Detailed Description
This application has improved the separation efficiency of mud through magnetism solid-liquid separation equipment, the area of sedimentation tank has been reduced greatly to can be with in the sedimentation tank coupling to good oxygen pond, activated sludge's automatic backward flow has been realized, the energy consumption has been reduced, sludge backflow efficiency has been improved, and then sewage treatment's efficiency and treatment effect have been improved, it takes up an area of big, inefficiency, the energy consumption is high to have solved among the prior art activated sludge backflow, and easily lead to the loss of mud, lead to sewage treatment's inefficiency problem.
For better understanding of the above technical solutions, the following detailed descriptions will be made in conjunction with the drawings and the detailed description of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
As shown in figure 1, the sewage treatment tank comprises an aerobic tank 1 and a sedimentation tank 2, wherein the aerobic tank 1 is provided with a water inlet 11, an aeration device 12 and a sewage discharge outlet 13, and the aeration device 12 is arranged at the bottom of the aerobic tank 1; the sedimentation tank 2 is arranged in the aerobic tank 1, the sedimentation tank 2 is provided with a filtering device 21 and a water outlet 22, the water outlet 22 is arranged at the upper part of the filtering device 21, and the lower part of the filtering device 21 is communicated with the aerobic tank 1; the filtering device 21 comprises grid baffles 211, magnetic filter materials 212 and a magnetic driving device 213, wherein the grid baffles 211 have at least 2 layers, the magnetic filter materials 212 are arranged between the grid baffles 211, and the magnetic driving device 213 drives the magnetic filter materials 212 to move up and down.
Specifically, the aerobic tank 1 is a rectangular concrete tank body, a raw water inlet 11 is formed in the upper portion of the tank body, the water inlet 11 is connected with the raw water tank, a sewage discharge outlet 13 is formed in the lower portion of the tank body, the sewage discharge outlet 13 is connected with a sewage discharge pump, an aeration device 12 is arranged at the bottom of the tank body, the aeration device 12 comprises an air pipe and a nozzle, and the aeration device 12 is connected with an air source to enable air to pass through the aerobic tank 1. The aerobic tank maintains the dissolved oxygen content in water to be about 4mg/L through measures such as aeration and the like so as to be suitable for the growth and the propagation of aerobic microorganisms, thereby leading the activated sludge to carry out aerobic respiration and decomposing organic matters into inorganic matters to realize the function of removing pollutants.
The sedimentation tank 2 is coupled in the aerobic tank 1, the sedimentation tank 2 is provided with a filtering device 21 and a water outlet 22, the water outlet 22 is arranged at the upper part of the filtering device 21, and the filtered clean water flows out through the water outlet.
Specifically, the filtering device 21 includes two mesh baffles 211, a magnetic filter material 212 and a magnetic driving device 213, the magnetic filter material 212 is porous particles made of ferroferric oxide and nylon, and the particle size of the magnetic filter material 212 is 5-50 mm. The magnetic filter material 212 is laid between the grid baffles 211, the laying thickness of the magnetic filter material 212 is 0.1-1m, and the laying thickness of the magnetic filter material 212 is smaller than the distance between the two grid baffles so as to move the magnetic filter material; the magnetic driving device 213 is installed on the top of the sedimentation tank, the magnetic driving device 213 is an electromagnet, and the magnetic filter material 212 can move up and down by switching on/off the electromagnet.
The lower part of the filtering device 21 is provided with a sedimentation tank 2, the tank body of which is communicated with the aerobic tank 1, the bottom of the sedimentation tank 2 is provided with an inclined mud guide plate 23, the filtering device 21 intercepts the activated sludge, and the activated sludge is guided into the aerobic tank 1 through the mud guide plate 23.
The sewage treatment method using the sewage treatment tank comprises the following steps:
s1, leading raw water containing activated sludge into the aerobic tank from the water inlet;
s2, aerating the raw water through an aeration device at the bottom of the aerobic tank to supply oxygen for microorganisms, and generating a stirring effect at the same time, so that the oxygen, water in the raw water and activated sludge are fully mixed to form a mixed solution, and the biological treatment efficiency is improved;
s3, enabling the mixed liquor after biological treatment to pass through the filtering device from bottom to top, enabling filtered clear water to flow out of a water outlet of the sedimentation tank, intercepting activated sludge by the filtering device to flow back into the aerobic tank, and discharging redundant activated sludge from a sewage outlet.
Specifically, the above-mentioned sewage treatment method further comprises the steps of:
s31, discontinuously starting the magnetic driving device to drive the magnetic filter materials to move up and down, so that the activated sludge blocked between the filter materials falls and flows back to the aerobic tank.
When the method is implemented, raw water flows into the aerobic tank through the water inlet, and the content of dissolved oxygen in the water is maintained at about 4mg/L through aeration, so that the activated sludge is subjected to aerobic respiration, organic matters are decomposed into inorganic matters, and the function of removing pollutants is realized; meanwhile, aeration generates a stirring effect, so that water, oxygen and activated sludge are fully mixed to form mixed liquid, and the biological treatment efficiency is improved. The mixed liquid after biological treatment enters the sedimentation tank through the bottom of the sedimentation tank, clear water flows out from a water outlet at the upper side through the filtering device, activated sludge is intercepted by the filtering device and flows back to the aerobic tank through the sludge guide plate to further participate in sewage treatment, and redundant activated sludge is discharged through a sewage discharge outlet; when the filtering device is blocked, the magnetic driving device drives the magnetic filtering material to move up and down, so that the activated sludge falls off and flows back to the aerobic tank through the sludge guide plate, self-cleaning of the filtering device is realized, the filtering efficiency is improved, and further the sewage treatment efficiency is improved.
The embodiment of the application can improve the filtering load by 2-15 times, greatly improve the filtering effect and reduce the occupied area of the sedimentation tank, thereby enabling the sedimentation tank to be coupled into the aerobic tank.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the magnetic solid-liquid separation device improves the separation efficiency of the sludge, greatly reduces the occupied area of the sedimentation tank, can couple the sedimentation tank to the aerobic tank, realizes automatic backflow of activated sludge, reduces energy consumption, improves sludge backflow efficiency, further improves the efficiency and treatment effect of sewage treatment, and solves the problems that the backflow of the activated sludge in the prior art is large in occupied area, low in efficiency and high in energy consumption, and easily causes the loss of the sludge, and the efficiency of the sewage treatment is low.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A sewage treatment tank comprises an aerobic tank and a sedimentation tank, wherein the aerobic tank is provided with a water inlet, a sewage outlet and an aeration device, and the aeration device is arranged at the bottom of the aerobic tank; the sedimentation tank is arranged in the aerobic tank, the sedimentation tank is provided with a filtering device and a water outlet, the water outlet is arranged at the upper part of the filtering device, and the lower part of the filtering device is communicated with the aerobic tank; the filter device is characterized by comprising grid baffles, magnetic filter materials and a magnetic driving device, wherein the grid baffles are provided with at least 2 layers, the magnetic filter materials are arranged between the grid baffles, and the magnetic driving device drives the magnetic filter materials to move up and down.
2. The sewage treatment tank as claimed in claim 1, wherein the magnetic filter material is porous particles mixed with the magnetic material, and the particle size of the magnetic filter material is 5-50 mm.
3. The sewage treatment tank of claim 1, wherein the magnetic filter material is laid to a thickness of 0.1-1m, and the magnetic filter material is laid to a thickness smaller than the height between the grid plates.
4. A wastewater treatment basin according to claim 1, characterized in that said magnetic driving mechanism is an electromagnet.
5. A wastewater treatment basin according to claim 1, characterized in that the bottom of the sedimentation basin is provided with an inclined mud guide.
6. A method of treating sewage from a sewage treatment plant according to any of claims 1 to 5, comprising the steps of:
s1, leading raw water containing activated sludge into the aerobic tank from the water inlet;
s2, aerating the raw water through an aeration device at the bottom of the aerobic tank to supply oxygen for microorganisms, and generating a stirring effect at the same time, so that the oxygen, water in the raw water and activated sludge are fully mixed to form a mixed solution, and the biological treatment efficiency is improved;
s3, enabling the mixed liquor after biological treatment to pass through the filtering device from bottom to top, enabling filtered clear water to flow out of a water outlet of the sedimentation tank, intercepting activated sludge by the filtering device to flow back into the aerobic tank, and discharging redundant activated sludge from a sewage outlet.
7. The wastewater treatment method according to claim 6, further comprising the steps of:
s31, discontinuously starting the magnetic driving device to drive the magnetic filter materials to move up and down, so that the activated sludge blocked between the filter materials falls and flows back to the aerobic tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213084.7A CN112830572A (en) | 2021-02-25 | 2021-02-25 | Sewage treatment tank and sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213084.7A CN112830572A (en) | 2021-02-25 | 2021-02-25 | Sewage treatment tank and sewage treatment method |
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| Publication Number | Publication Date |
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| CN112830572A true CN112830572A (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110213084.7A Pending CN112830572A (en) | 2021-02-25 | 2021-02-25 | Sewage treatment tank and sewage treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314776A (en) * | 2021-12-28 | 2022-04-12 | 成都源蓉科技有限公司 | Fixing method of magnetic particle filter material and filter device |
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| CN103482826A (en) * | 2013-09-17 | 2014-01-01 | 王帅伟 | Waste water treatment device |
| CN104163497A (en) * | 2014-05-05 | 2014-11-26 | 浙江省环境保护科学设计研究院 | Low-dissolved-oxygen magnetic biochemical treatment system and process |
| CN107010698A (en) * | 2017-06-09 | 2017-08-04 | 天津碧水源膜材料有限公司 | Filter plant, sewage filter system and technique |
| CN110386725A (en) * | 2019-07-19 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of sewage based on MBBR and Magneto separate imitates processing system and method entirely |
| CN212315694U (en) * | 2020-04-02 | 2021-01-08 | 深圳市易水水处理技术有限公司 | Aerobic tank |
-
2021
- 2021-02-25 CN CN202110213084.7A patent/CN112830572A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482826A (en) * | 2013-09-17 | 2014-01-01 | 王帅伟 | Waste water treatment device |
| CN104163497A (en) * | 2014-05-05 | 2014-11-26 | 浙江省环境保护科学设计研究院 | Low-dissolved-oxygen magnetic biochemical treatment system and process |
| CN107010698A (en) * | 2017-06-09 | 2017-08-04 | 天津碧水源膜材料有限公司 | Filter plant, sewage filter system and technique |
| CN110386725A (en) * | 2019-07-19 | 2019-10-29 | 青岛思普润水处理股份有限公司 | A kind of sewage based on MBBR and Magneto separate imitates processing system and method entirely |
| CN212315694U (en) * | 2020-04-02 | 2021-01-08 | 深圳市易水水处理技术有限公司 | Aerobic tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314776A (en) * | 2021-12-28 | 2022-04-12 | 成都源蓉科技有限公司 | Fixing method of magnetic particle filter material and filter device |
| CN114314776B (en) * | 2021-12-28 | 2024-04-16 | 成都源蓉科技有限公司 | Fixing method of magnetic particle filter material and filtering device |
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Application publication date: 20210525 |
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