CN110563283A - Air stripping formula backward flow integrates MBR sewage treatment device - Google Patents
Air stripping formula backward flow integrates MBR sewage treatment device Download PDFInfo
- Publication number
- CN110563283A CN110563283A CN201910969954.6A CN201910969954A CN110563283A CN 110563283 A CN110563283 A CN 110563283A CN 201910969954 A CN201910969954 A CN 201910969954A CN 110563283 A CN110563283 A CN 110563283A
- Authority
- CN
- China
- Prior art keywords
- reaction tank
- reflux
- reaction pond
- mbr
- disinfection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000010865 sewage Substances 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 49
- 238000010992 reflux Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 14
- 238000005842 biochemical reaction Methods 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 206010021143 Hypoxia Diseases 0.000 claims description 7
- 230000037452 priming Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 239000010802 sludge Substances 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 239000000645 desinfectant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/2813—Anaerobic digestion processes using anaerobic contact 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
- C02F3/30—Aerobic and anaerobic processes
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)
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses air stripping type reflux integrated MBR sewage treatment equipment, which comprises an MBR biochemical reaction tank, wherein the MBR biochemical reaction tank comprises an anaerobic reaction tank, an anoxic reaction tank and an aerobic reaction tank which are sequentially arranged, a multipoint reflux pipe for communicating the anaerobic reaction tank with the anoxic reaction tank is arranged in the aerobic reaction tank, a disinfection tank is arranged on one side of the aerobic reaction tank, which is far away from the anaerobic reaction tank, an MBR membrane component is arranged in the aerobic reaction tank, and the MBR membrane component in the aerobic reaction tank is connected with a self-priming pump which is connected to the disinfection tank through a pipeline. The gas stripping reflux device replaces the traditional water pump reflux mode, reduces the investment of mechanical equipment, effectively utilizes the redundant air quantity of a fan, reduces the operation cost, ensures the requirements of the process on nitrogen and phosphorus removal by a multipoint reflux mode, flexibly adjusts the reflux quantity through the operation condition, integrates a disinfection tank and a control system in a biochemical reaction tank, and effectively reduces the construction investment of civil engineering.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to air stripping type backflow integrated MBR sewage treatment equipment.
Background
At present, most domestic sewage needs to reach the first-level A standard of pollutant discharge standard of urban sewage treatment plants, is directly discharged or reaches the corresponding reuse water standard for reuse, has higher requirement on sewage treatment, and the commonly used small-sized integrated equipment mainly adopts a process taking MBR as a core. MBR, also called membrane bioreactor, is a new water treatment technology combining activated sludge process and membrane separation technology. The traditional activated sludge method is to separate sludge and water (activated sludge and water) by utilizing the density difference between microorganisms and water in a gravity settling mode, the settling mode is greatly influenced by the quality change of inlet water and the properties of activated sludge, the quality of treated outlet water is unstable, the above problems can be solved by an MBR process, and the stability of the quality of the outlet water is ensured. The MBR has high-efficiency interception and separation effects, so that the hydraulic retention time and the sludge retention time are completely separated, the concentration of microorganisms in the reactor is improved, the suspended matters and turbidity of the effluent are close to zero, and the treated water can be directly recycled after being disinfected.
At present, integrated MBR domestic sewage treatment equipment is mostly adopted for scattered living factories with less domestic sewage production in rural areas, hotels, scenic spots and the like, so that the civil engineering investment is saved, the construction period is short, the operation is simple and convenient, and the method has incomparable advantages. However, the disinfection tank is complicated to build and large in investment, the disinfection tank is built independently to increase the occupied area of a domestic sewage treatment system, a water pump is adopted to carry out mixed liquid backflow to increase energy consumption, and the mixed liquid backflow is generally only refluxed to one reaction tank by using gas stripping backflow. Therefore, an air stripping type backflow integrated MBR sewage treatment device is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a gas stripping type backflow integrated MBR sewage treatment device.
In order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides an air lift formula backward flow integrates MBR sewage treatment device, includes MBR biochemical reaction pond, MBR biochemical reaction pond is including anaerobic reaction pond, oxygen deficiency reaction pond and the aerobic reaction pond that sets gradually, be equipped with the multiple spot back flow of intercommunication anaerobic reaction pond and oxygen deficiency reaction pond in the aerobic reaction pond, anaerobic reaction pond one side is kept away from in the aerobic reaction pond is equipped with the disinfection pond, be equipped with the MBR membrane module in the aerobic reaction pond, aerobic reaction pond MBR membrane module even has the self priming pump, and the self priming pump passes through pipe connection to the disinfection pond, disinfection pond top is equipped with the fan, and fan one end is connected with the gas reflux air supply pipe, the butt clamp is provided with the air feed pipe valve on the gas reflux air supply pipe, gas reflux air supply pipe one end is pegged graft with multiple spot.
Furthermore, a water outlet of the disinfection tank is arranged at the top of the disinfection tank.
furthermore, disinfection pond baffles which are distributed equidistantly are arranged in the disinfection pond, the disinfection pond baffles are arranged in a staggered mode, and a gap is reserved between the disinfection pond baffles and one side of the disinfection pond.
Furthermore, a disinfection tank water inlet is formed in the position, close to one corner, of the outer wall of the top end of the disinfection tank.
Further, the multipoint return pipe comprises a vertical section, one side of the vertical section is connected with a transverse pipe, return ports distributed at equal intervals are formed in the transverse pipe, and a bent pipe extending in an upward bending mode is arranged at the bottom of the side wall of the vertical section.
The invention has the beneficial effects that:
The gas stripping reflux device replaces the traditional water pump reflux mode, reduces the investment of mechanical equipment, effectively utilizes the redundant air quantity of a fan, reduces the operating cost, ensures the requirements of the process on nitrogen and phosphorus removal by a multipoint reflux mode, can flexibly adjust the reflux quantity through the operating condition, integrates a disinfection tank and a control system in a biochemical reaction tank, effectively reduces the construction investment of civil engineering, and is quick to install.
Drawings
FIG. 1 is a schematic sectional view of an integrated MBR sewage treatment device with air stripping type reflux provided by the present invention;
FIG. 2 is a schematic top view of a disinfection tank of an integrated MBR sewage treatment device with air stripping type backflow.
In the figure: 1 anaerobic reaction pond, 2 multiple spot back flows, 3 multiple spot back flows, 4 air feed pipe valves, 5 fans, 6 self priming pumps, 7 disinfection ponds, 8 disinfection pond baffles, 9 aerobic reaction ponds, 10 disinfection pond delivery ports, 11 oxygen deficiency reaction ponds, 12 disinfection pond water inlets.
Detailed Description
The technical solutions 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.
Referring to fig. 1-2, an air lift formula backward flow integrates MBR sewage treatment device, including MBR biochemical reaction pond, MBR biochemical reaction pond is including the anaerobic reaction pond 1 that sets gradually, oxygen deficiency reaction pond 11 and aerobic reaction pond 9, is equipped with intercommunication anaerobic reaction pond 1 and the multiple spot back flow 2 of oxygen deficiency reaction pond 11 in the aerobic reaction pond 9, and 1 one side of anaerobic reaction pond is kept away from in aerobic reaction pond 9 is equipped with disinfection pond 7, is equipped with the MBR membrane module in the aerobic reaction pond 9, 8MBR membrane modules in aerobic reaction pond even have self priming pump 6, and self priming pump 6 passes through pipe connection to disinfection pond 7, and disinfection pond 7 top is equipped with fan 5, and 5 one end of fan is connected with gas reflux air supply pipe 3, and the last butt clamp of gas reflux air supply pipe 3 is provided with air supply pipe valve 4, and gas reflux air supply pipe 3 one end is pegged.
According to the invention, a disinfection tank water outlet 10 is arranged at the top of a disinfection tank 7, disinfection tank partition plates 8 distributed at equal intervals are arranged in the disinfection tank 7, the disinfection tank partition plates 8 are arranged in a staggered manner, a gap is reserved between the disinfection tank partition plates 8 and one side of the disinfection tank 7, a disinfection tank water inlet 12 is arranged at the position, close to one corner, of the outer wall of the top end of the disinfection tank 7, a multipoint backflow pipe 2 comprises a vertical section, one side of the vertical section is connected with a transverse pipe, backflow ports distributed at equal intervals are arranged on the transverse pipe, and a bent pipe which is bent upwards and extends is arranged at the bottom.
Sewage enters an anaerobic reaction tank 1 of an MBR biochemical reaction tank through a lift pump, is mixed with mixed liquid containing activated sludge which flows back through air stripping, phosphorus release and organic matter degradation are carried out under anaerobic conditions, then the sewage enters an anoxic reaction tank 11, is mixed with the returned mixed liquid, is subjected to denitrification denitrogenation in an anoxic state, is simultaneously subjected to organic matter degradation, then the sewage enters an aerobic reaction tank 9, has higher activated sludge concentration in the aerobic reaction tank 9 (the activated sludge concentration in the mixed liquid is improved by the interception effect of the MBR), phosphorus absorption and organic matter efficient degradation are carried out in the aerobic reaction tank 9, a gas return air supply pipe 3 and a multi-point return pipe 2 which are arranged in the aerobic reaction tank 9 cooperate, air is supplied through a fan 5, the liquid level of the mixed liquid in the device is lifted by the thrust of air, and the mixed liquid can flow back through the multi-point return pipe 2, the multi-point backflow is carried out, the requirements of denitrification, dephosphorization and organic matter degradation of a biochemical system are met, the total backflow amount of mixed liquid can be adjusted through the air supply amount of the fan 5, the backflow amount of the mixed liquid flowing back to the anaerobic reaction tank 1 and the anoxic reaction tank 11 is controlled through valves on the multi-point backflow pipes 2 above the tanks, the treated sewage flows out through the MBR membrane module through the self-priming pump 6, the disinfectant is added through a pipeline before entering the disinfection tank 7, the effluent and the disinfectant are fully mixed in the disinfection tank 7 and stay for more than 30min, and then the effluent and the disinfectant are discharged out of equipment for recycling or discharge.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an air lift formula backward flow integrates MBR sewage treatment device, includes MBR biochemical reaction pond, its characterized in that, MBR biochemical reaction pond is including anaerobic reaction pond (1), oxygen deficiency reaction pond (11) and aerobic reaction pond (9) that set gradually, be equipped with multiple spot back flow (2) that communicate anaerobic reaction pond (1) and oxygen deficiency reaction pond (11) in aerobic reaction pond (9), aerobic reaction pond (9) keep away from anaerobic reaction pond (1) one side and are equipped with disinfection pond (7), be equipped with the MBR membrane module in aerobic reaction pond (9), aerobic gas reaction pond (9) MBR membrane module even has self priming pump (6), and self priming pump (6) are connected to disinfection pond (7) through the pipeline, disinfection pond (7) top is equipped with fan (5), and fan (5) one end is connected with gaseous backward flow air supply pipe (3), gaseous backward flow air supply pipe valve (4) are provided with to the clamp on the gas backward flow (3), one end of the gas reflux and supply pipe (3) is inserted with one end of the multipoint reflux pipe (2).
2. The air stripping type reflux integrated MBR sewage treatment device as set forth in claim 1, wherein a disinfection tank water outlet (10) is arranged at the top position of the disinfection tank (7).
3. The air stripping type reflux integrated MBR sewage treatment device as set forth in claim 2, wherein disinfection tank partition plates (8) are arranged in the disinfection tank (7) at equal intervals, and the disinfection tank partition plates (8) are arranged in a staggered manner, and a gap is left between the disinfection tank partition plates (8) and one side of the disinfection tank (7).
4. the air stripping type reflux integrated MBR sewage treatment device as claimed in claim 3, wherein the top outer wall of the disinfection tank (7) is provided with a disinfection tank water inlet (12) near one of the corners.
5. The air lift type reflux integrated MBR sewage treatment device according to claim 4, wherein the multipoint reflux pipe (2) comprises a vertical section, a horizontal pipe is connected to one side of the vertical section, reflux ports are distributed on the horizontal pipe at equal intervals, and a bent pipe which is bent upwards and extends is arranged at the bottom of the side wall of the vertical section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969954.6A CN110563283A (en) | 2019-10-12 | 2019-10-12 | Air stripping formula backward flow integrates MBR sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969954.6A CN110563283A (en) | 2019-10-12 | 2019-10-12 | Air stripping formula backward flow integrates MBR sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110563283A true CN110563283A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910969954.6A Pending CN110563283A (en) | 2019-10-12 | 2019-10-12 | Air stripping formula backward flow integrates MBR sewage treatment device |
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| Country | Link |
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| CN (1) | CN110563283A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702123A (en) * | 2022-03-28 | 2022-07-05 | 成都禹杰水设计有限公司 | MBR integrated equipment |
| CN118255482A (en) * | 2024-04-11 | 2024-06-28 | 常州禹润水务有限公司 | An air lift reflux anaerobic, intermittent MBR automatic switching sewage treatment process |
| CN118545855A (en) * | 2024-04-12 | 2024-08-27 | 北京博汇特环保科技股份有限公司 | Assembled sewage treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103570129A (en) * | 2013-10-30 | 2014-02-12 | 上海亚同环保实业股份有限公司 | Process for treating sewage by using annular circulating flow membrane bioreactor |
| WO2015026269A1 (en) * | 2013-08-21 | 2015-02-26 | Petrov Denis Sergeevich | Installation for biological treatment of wastewater |
| CN206033378U (en) * | 2016-08-31 | 2017-03-22 | 北京汇恒环保工程股份有限公司 | Nitrogen and phosphorus removal sewage treatment device |
| CN206783488U (en) * | 2017-05-18 | 2017-12-22 | 成都元泽环境技术有限公司 | A kind of sanitary wastewater handles integration apparatus |
| CN108409036A (en) * | 2018-03-20 | 2018-08-17 | 重庆泽羲环境科技有限公司 | Stripping reflux MBR gravity filtration integrated sewage treating apparatus |
| CN208684698U (en) * | 2018-06-20 | 2019-04-02 | 蒋汉 | A mobile toilet sewage treatment system |
| CN110127958A (en) * | 2019-06-19 | 2019-08-16 | 重庆环保投资有限公司 | The sewage-treatment plant and processing method of multiple spot reflux |
| CN211339187U (en) * | 2019-10-12 | 2020-08-25 | 昆明金泽实业有限公司 | Air stripping formula backward flow integrates MBR sewage treatment device |
-
2019
- 2019-10-12 CN CN201910969954.6A patent/CN110563283A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015026269A1 (en) * | 2013-08-21 | 2015-02-26 | Petrov Denis Sergeevich | Installation for biological treatment of wastewater |
| CN103570129A (en) * | 2013-10-30 | 2014-02-12 | 上海亚同环保实业股份有限公司 | Process for treating sewage by using annular circulating flow membrane bioreactor |
| CN206033378U (en) * | 2016-08-31 | 2017-03-22 | 北京汇恒环保工程股份有限公司 | Nitrogen and phosphorus removal sewage treatment device |
| CN206783488U (en) * | 2017-05-18 | 2017-12-22 | 成都元泽环境技术有限公司 | A kind of sanitary wastewater handles integration apparatus |
| CN108409036A (en) * | 2018-03-20 | 2018-08-17 | 重庆泽羲环境科技有限公司 | Stripping reflux MBR gravity filtration integrated sewage treating apparatus |
| CN208684698U (en) * | 2018-06-20 | 2019-04-02 | 蒋汉 | A mobile toilet sewage treatment system |
| CN110127958A (en) * | 2019-06-19 | 2019-08-16 | 重庆环保投资有限公司 | The sewage-treatment plant and processing method of multiple spot reflux |
| CN211339187U (en) * | 2019-10-12 | 2020-08-25 | 昆明金泽实业有限公司 | Air stripping formula backward flow integrates MBR sewage treatment device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702123A (en) * | 2022-03-28 | 2022-07-05 | 成都禹杰水设计有限公司 | MBR integrated equipment |
| CN118255482A (en) * | 2024-04-11 | 2024-06-28 | 常州禹润水务有限公司 | An air lift reflux anaerobic, intermittent MBR automatic switching sewage treatment process |
| CN118545855A (en) * | 2024-04-12 | 2024-08-27 | 北京博汇特环保科技股份有限公司 | Assembled sewage treatment system |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191213 |
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