CN113248013A - High-efficiency membrane aeration bioreactor - Google Patents
High-efficiency membrane aeration bioreactor Download PDFInfo
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- CN113248013A CN113248013A CN202110598677.XA CN202110598677A CN113248013A CN 113248013 A CN113248013 A CN 113248013A CN 202110598677 A CN202110598677 A CN 202110598677A CN 113248013 A CN113248013 A CN 113248013A
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- membrane
- mabr
- fan
- tube
- pipe
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- 239000012528 membrane Substances 0.000 title claims abstract description 97
- 238000005273 aeration Methods 0.000 title claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000001301 oxygen Substances 0.000 claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 15
- UEKDBDAWIKHROY-UHFFFAOYSA-L bis(4-bromo-2,6-ditert-butylphenoxy)-methylalumane Chemical compound [Al+2]C.CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-].CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-] UEKDBDAWIKHROY-UHFFFAOYSA-L 0.000 claims abstract 16
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000010926 purge Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
- 241000233866 Fungi Species 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 241001148470 aerobic bacillus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
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- 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)
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a high-efficiency membrane aeration bioreactor which comprises a box body, a biomembrane purging fan, an oxygen permeation fan, a feeding pump, a water inlet pipe, a backflow pipe and a water outlet, wherein an MABR pool, an MABR membrane component and a submersible mixer are arranged in the box body, the purging aeration component is arranged at the bottom of the MABR membrane component and communicated with the biomembrane purging fan, the top of the MABR membrane component is communicated with the oxygen permeation fan, a membrane pipe of the membrane component is a breathable impermeable membrane pipe, porous hydrophilic filler is wrapped outside the MABR membrane component, the water outlet is communicated with lower-level equipment, and the backflow pipe is communicated with front-level equipment. The equipment has simple structure, low manufacturing cost and small occupied area; porous hydrophilic filler wraps up in the breathable membrane outside of tubes, has promoted the quantity of active aerobic fungus, facultative anaerobe, makes the high-efficient ammonia nitrogen that removes in the sewage of MABR equipment, still can filter the suspended solid in the MABR pond, makes the water more stable, reduces the equipment input of follow-up water treatment process.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a high-efficiency membrane aeration bioreactor.
Background
Although most of the existing sewage treatment equipment can meet the sewage treatment requirement, the traditional process also has the advantages of short construction period, mature technology and lower comprehensive input cost, but has the problems of complex use and maintenance, large fluctuation of effluent quality, high energy consumption for long-term operation and high comprehensive operation cost.
The MABR is called Membrane affected Biofilm Reactor and an aeration Membrane bioreactor, and can provide a high-efficiency and energy-saving biological treatment system for small-sized distributed sewage treatment plants. In the prior art, an MABR membrane module used by the MABR sewage treatment equipment of fluent is a bag-type coiled membrane, is not easy to manufacture and has the problem of easy breakage. The hollow fiber type membrane component is easy to manufacture but not easy to hang membranes. The effluent of the aeration membrane bioreactor (MABR) contains floating substances, which may affect the next-stage water treatment process.
Therefore, it is necessary to design a high-efficiency membrane aeration bioreactor with simple membrane component manufacturing and installation and good effluent quality.
Disclosure of Invention
The invention aims to provide a high-efficiency membrane aeration bioreactor to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a high-efficient membrane aeration bioreactor which characterized in that, includes that box, biomembrane sweep fan, oxygen permeation fan, feed pump, inlet tube, back flow, delivery port, the inside MABR pond, MABR membrane module, dive mixer of including of box, the bottom of MABR membrane module is equipped with sweeps aeration subassembly, sweeps aeration subassembly with biomembrane sweep fan intercommunication, the top of MABR membrane module with oxygen permeation fan intercommunication, the delivery port communicates with subordinate's equipment, the back flow communicates with leading equipment.
According to the technical scheme, the MABR membrane module comprises a connecting piece, a first fixing piece, a second fixing piece, a tube body, an exhaust end part, a sealing piece and a membrane tube body, wherein the first fixing piece and the second fixing piece enable the connecting piece to be connected with an air inlet pipe, the connecting piece is directly connected to the tube body, the tube body is directly connected with the exhaust end part, and the exhaust end part is connected with the membrane tube body through the sealing piece.
According to the technical scheme, the membrane tube body comprises a membrane tube and a hydrophilic filler piece, the membrane tube is a breathable impermeable membrane tube, the hydrophilic filler piece is wrapped outside the membrane tube, and oxygen permeates the membrane tube and is uniformly dispersed by the porous hydrophilic filler, so that oxygen is provided for aerobic microorganisms.
According to the technical scheme, the sweeping aeration component is communicated with the biomembrane sweeping fan through a pressure pipeline, and a pressure regulating valve and a pressure gauge are connected to the pressure pipeline.
According to the technical scheme, the oxygen permeation fan is communicated with the MABR membrane module through an air inlet pipe, the air inlet valve and the air inlet pressure gauge are connected to the ventilation pipe, and the internal and external pressure difference of the membrane pipe is regulated and controlled through the pressure regulating valve, so that the oxygen release amount is controlled, and the energy consumption is reduced.
According to the technical scheme, the top of the MABR membrane module is provided with a connecting piece which is communicated with the oxygen permeation fan through an air inlet pipe, the lower part of the MABR membrane module is connected with an air outlet pipe, and an air outlet pressure gauge and an air outlet valve are connected and arranged on the air outlet pipe.
According to the technical scheme, the feed pump passes through the feed liquid inlet pipe with the MABR pond intercommunication, the connection is equipped with valve and flowmeter on the inlet tube.
Compared with the prior art, the invention has the following beneficial effects: the invention has simple equipment structure, low manufacturing cost and small occupied area; the breathable membrane tube is not easy to be filmed, so that the biochemistry of the breathable membrane tube is influenced, and the hydrophilic filler is wrapped outside the breathable membrane tube, so that the number of active aerobic bacteria and facultative anaerobic bacteria is increased, and the MABR equipment can efficiently remove ammonia nitrogen in sewage; the membrane component containing the hydrophilic filler can effectively increase the oxygen transfer efficiency, improve the oxygen utilization rate and reduce the energy consumption of the MABR equipment; the hydrophilic filler of the membrane component has porosity, can filter suspended matters in the MABR tank, enables the effluent to be more stable, and reduces the equipment investment of the subsequent water treatment process.
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. In the drawings:
FIG. 1 is a schematic diagram of a high efficiency membrane aeration bioreactor;
FIG. 2 is a schematic view of a membrane module;
fig. 3 is a schematic view of a membrane tube.
Wherein the reference numbers are as follows: 1. an MABR pool; 11. a box body; 12. a feed pump; 13. a valve; 14. a flow meter; 15. a water inlet pipe; 16. a water outlet; 17. a return pipe; 18. a submersible mixer; 2. an MABR membrane module; 21. a connecting member; 22. an air inlet end portion; 23. a first fixing member; 24. a second fixing member; 25. a pipe body; 26. an exhaust end portion; 27. a seal member; 28. a membrane tube body; 281. a membrane tube; 282. a hydrophilic packing element; 31. an oxygen permeable fan; 32. an intake valve; 33. an intake pressure gauge; 34. an air inlet pipe; 35. an air outlet pressure gauge; 36. an air outlet valve; 37. an air outlet pipe; 41. a biofilm purging fan; 42. a pressure regulating valve; 43. a pressure gauge; 44. a pressure line; 45. and blowing the aeration component.
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. 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.
The invention provides a technical scheme, and aims to provide a high-efficiency membrane aeration bioreactor which is simple in equipment structure, low in manufacturing cost and small in occupied area; the breathable membrane tube is not easy to be filmed, so that the biochemistry of the breathable membrane tube is influenced, and the hydrophilic filler is wrapped outside the breathable membrane tube, so that the number of active aerobic bacteria and facultative anaerobic bacteria is increased, and the MABR equipment can efficiently remove ammonia nitrogen in sewage; the membrane component containing the hydrophilic filler can effectively increase the oxygen transfer efficiency, improve the oxygen utilization rate and reduce the energy consumption of the MABR equipment; the hydrophilic filler of the membrane component has porosity, can filter suspended matters in the MABR tank, enables the effluent to be more stable, and reduces the equipment investment of the subsequent water treatment process.
As shown in fig. 1, the high-efficiency membrane aeration bioreactor comprises a box body (11), a biofilm purging fan (41), an oxygen permeation fan (31), a feeding pump (12), a water inlet pipe (15), a return pipe (17) and a water outlet (16), wherein the box body internally comprises an MABR pool (1), an MABR membrane module (2) and a submersible mixer (18), the bottom of the MABR membrane module (2) is provided with a purging aeration assembly (45), the purging aeration assembly (45) is communicated with the biofilm purging fan (41), the top of the MABR membrane module (2) is communicated with the oxygen permeation fan (31), the water outlet (16) is communicated with lower-level equipment, and the return pipe (17) is communicated with front-level equipment.
As shown in fig. 2, the MABR membrane module (2) adopted in the high efficiency membrane aeration bioreactor provided by the embodiment comprises a connecting piece (21), a first fixing piece (23), a second fixing piece (24), a tube body (25), an exhaust end part (26), a sealing piece (27) and a membrane tube body (28), wherein the first fixing piece (23) and the second fixing piece (24) enable the connecting piece (21) to be connected with an air inlet pipe (34), the connecting piece (21) is directly connected to the tube body (25), the tube body (25) is directly connected with the exhaust end part (26), and the exhaust end part (26) is connected with the membrane tube body (28) through the sealing piece (27).
As shown in FIG. 3, the efficient membrane-aeration bioreactor provided by the embodiment adopts a membrane tube body (28) comprising a membrane tube (281) and hydrophilic filler pieces (282), wherein the membrane tube (281) is a breathable and waterproof membrane tube, and the hydrophilic filler pieces (282) are wrapped outside the membrane tube (281).
According to the efficient membrane aeration bioreactor provided by the embodiment, the adopted purging aeration component (45) is communicated with the biological membrane purging fan (41) through the pressure pipeline (44), and the pressure pipeline (44) is connected with the pressure regulating valve (42) and the pressure gauge (43).
According to the efficient membrane aeration bioreactor provided by the embodiment, an oxygen permeation fan (31) is communicated with the MABR membrane module (2) through an air inlet pipe (34), and an air inlet valve (32) and an air inlet pressure gauge (33) are connected and arranged on the air inlet pipe (34).
According to the efficient membrane aeration bioreactor provided by the embodiment, a connecting piece (21) is arranged at the top of an adopted MABR membrane module (2) and is communicated with an oxygen permeation fan (31) through an air inlet pipe (34), the lower part of the MABR membrane module (2) is connected with an air outlet pipe (37), and an air outlet pressure gauge (35) and an air outlet valve (36) are connected and arranged on the air outlet pipe (37).
According to the efficient membrane aeration bioreactor provided by the embodiment, a feed pump (12) is adopted to communicate feed liquid with the MABR tank (1) through a water inlet pipe (15), and a valve (13) and a flow meter (14) are connected and arranged on the water inlet pipe (15).
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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. The utility model provides a high-efficient membrane aeration bioreactor, its characterized in that, sweeps fan (41), oxygen permeation fan (31), feed pump (12), inlet tube (15), back flow (17) including box (11), biomembrane, delivery port (16), box (11) inside includes MABR pond (1), MABR membrane module (2), dive mixer (18), the bottom of MABR membrane module (2) is equipped with sweeps aeration components (45), sweep aeration components (45) with biomembrane sweeps fan (41) intercommunication, the top of MABR membrane module (2) with oxygen permeation fan (31) intercommunication, delivery port (16) and subordinate's equipment intercommunication, back flow (17) and preceding equipment intercommunication.
2. A high efficiency membrane aerated bioreactor according to claim 1, wherein the MABR membrane module (2) comprises a connector (21), a first fastener (23), a second fastener (24), a tube (25), an exhaust end (26), a sealing member (27), and a membrane tube (28), wherein the first fastener (23) and the second fastener (24) connect the connector (21) with the inlet tube (34), the connector (21) is directly connected to the tube (25), the tube (25) is directly connected to the exhaust end (26), and the exhaust end (26) is connected to the membrane tube (28) through the sealing member (27).
3. A high efficiency membrane-aerated bioreactor according to claim 2, wherein said membrane tube body (28) comprises a membrane tube (281) and hydrophilic filler (282), said membrane tube (281) is a permeable and impermeable membrane tube, and said hydrophilic filler (282) is wrapped outside said membrane tube (281).
4. A high efficiency membrane aeration bioreactor according to claim 1, wherein the sweep aeration module (45) is connected to the biofilm sweep blower (41) via a pressure pipe (44), and the pressure pipe (44) is connected to a pressure regulating valve (42) and a pressure gauge (43).
5. The high efficiency membrane aerated bioreactor according to claim 1, wherein the oxygen permeation fan (31) is connected to the MABR membrane module (2) through an air inlet pipe (34), and the air inlet valve (32) and the air inlet pressure gauge (33) are connected to the air inlet pipe (34).
6. A high efficiency membrane aerated bioreactor according to claims 2-5, wherein the top of the MABR membrane module (2) is provided with a connecting piece (21) which is communicated with the oxygen permeable fan (31) through an air inlet pipe (34), the lower part of the MABR membrane module (2) is connected with an air outlet pipe (37), and the air outlet pipe (37) is connected with an air outlet pressure gauge (35) and an air outlet valve (36).
7. A high efficiency membrane aerated bioreactor according to claim 1, wherein the feed pump (12) communicates feed liquid to the MABR tank (1) via a feed pipe (15), and the feed pipe (15) is connected to a valve (13) and a flow meter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598677.XA CN113248013A (en) | 2021-05-31 | 2021-05-31 | High-efficiency membrane aeration bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598677.XA CN113248013A (en) | 2021-05-31 | 2021-05-31 | High-efficiency membrane aeration bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113248013A true CN113248013A (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110598677.XA Pending CN113248013A (en) | 2021-05-31 | 2021-05-31 | High-efficiency membrane aeration bioreactor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180265383A1 (en) * | 2014-12-28 | 2018-09-20 | Emefcy Ltd. | Membrane aerated biofilm reactor |
| CN208394913U (en) * | 2018-05-11 | 2019-01-18 | 河北海天环保工程设备股份有限公司 | A kind of membrane tube aeration unit |
| CN110054298A (en) * | 2019-05-24 | 2019-07-26 | 嘉兴里仁环保科技股份有限公司 | A kind of flat MABR oxygen flow membrane module |
| CN110482779A (en) * | 2019-03-21 | 2019-11-22 | 江苏滤盾膜科技有限公司 | A kind of multi-stage, efficient MABR film sewage treatment device |
| CN210855445U (en) * | 2019-03-12 | 2020-06-26 | 泽明环境发展有限公司 | MABR membrane aeration bioreactor |
| CN112429845A (en) * | 2020-11-17 | 2021-03-02 | 光大水务（深圳）有限公司 | Method and device for aerobic biochemical treatment of sewage easy to foam |
| CN215161362U (en) * | 2021-05-31 | 2021-12-14 | 波塞冬(江苏)新材料科技有限公司 | High-efficiency membrane aeration bioreactor |
-
2021
- 2021-05-31 CN CN202110598677.XA patent/CN113248013A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180265383A1 (en) * | 2014-12-28 | 2018-09-20 | Emefcy Ltd. | Membrane aerated biofilm reactor |
| CN208394913U (en) * | 2018-05-11 | 2019-01-18 | 河北海天环保工程设备股份有限公司 | A kind of membrane tube aeration unit |
| CN210855445U (en) * | 2019-03-12 | 2020-06-26 | 泽明环境发展有限公司 | MABR membrane aeration bioreactor |
| CN110482779A (en) * | 2019-03-21 | 2019-11-22 | 江苏滤盾膜科技有限公司 | A kind of multi-stage, efficient MABR film sewage treatment device |
| CN110054298A (en) * | 2019-05-24 | 2019-07-26 | 嘉兴里仁环保科技股份有限公司 | A kind of flat MABR oxygen flow membrane module |
| CN112429845A (en) * | 2020-11-17 | 2021-03-02 | 光大水务（深圳）有限公司 | Method and device for aerobic biochemical treatment of sewage easy to foam |
| CN215161362U (en) * | 2021-05-31 | 2021-12-14 | 波塞冬(江苏)新材料科技有限公司 | High-efficiency membrane aeration bioreactor |
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