CN2530940Y - Gas-water backflush device of membrane for membrane bioreactor - Google Patents
Gas-water backflush device of membrane for membrane bioreactor Download PDFInfo
- Publication number
- CN2530940Y CN2530940Y CN02205772U CN02205772U CN2530940Y CN 2530940 Y CN2530940 Y CN 2530940Y CN 02205772 U CN02205772 U CN 02205772U CN 02205772 U CN02205772 U CN 02205772U CN 2530940 Y CN2530940 Y CN 2530940Y
- Authority
- CN
- China
- Prior art keywords
- water
- pump
- backwashing
- membrane
- electromagnetic valve
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 239000012528 membrane Substances 0.000 title claims abstract description 50
- 238000011001 backwashing Methods 0.000 claims abstract description 55
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000012510 hollow fiber Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 3
- 239000008213 purified water Substances 0.000 abstract 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 230000003245 working effect Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- 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
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Disclosed is an air water backwashing device of membrane for a membrane bios-reactor. A gas pipe channel between an aeration pipe and a blower is provided with a cutoff electromagnetic valve. A membrane module output pipe channel and a front end of a pump are provided with a front of the pump electromagnetic valve. A rear end of the pump and a pipe channel of a purified water tank input end are provided with an after pumping electromagnetic valve. The other output end of the purified water tank is provided with a backwashing front of the pump pipe channel with a water backwashing front of the pump electromagnetic valve provided thereon is connected with the front end of the pump. A backwashing after pump pipe channel which is provided with a water backwashing after pumping electromagnetic valve and communicated with the membrane module output pipe channel is arranged between the after pumping electromagnetic valve and the front of the pump electromagnetic valve. An outlet of the blower is provided with a backwashing gas pipe channel which is provided with a gas backwashing pipe channel electromagnetic valve and communicated with a membrane module output pipe channel. The utility model has advantages of: 1. The membrane is backwashed using the compressed air, improving the washing effect. 2. Little backwashing water is used, improving the permeable capacity of the membrane and saving purified water used for backwashing. 3. The blocking of the membrane is reduced and the service life is prolonged.
Description
Technical field
The utility model relates to the air water back washing cleaning device of film in the membrane bioreactor.
Background technology
Membrane bioreactor is that China recent years grows up, and is used for a kind of device of processing of sanitary sewage and organic industrial sewage and reuse.It is that membrane separation technique combines with the efficient of biological treatment, and it is good that it has an effluent quality, but direct reuse, and advantages such as floor space is little, operational management is convenient.But because the cost of film is higher, the therefore obstruction that in application, how to slow down film, in the work-ing life of prolongation film, it is very important to reduce its running cost.Domestic present employing water recoil, its purging method is to draw a pipeline to the outlet pipeline of film from clear water tanks, with water pump the permeate water of film is done the backwashing water water source film is carried out back flushing.This kind purging method has following shortcoming: need consume a certain amount of purifying waste water (film appear water) with water backwashing, can not reach the obstruction that slows down film, prolong the work-ing life of film, reduce the ideal effect of its running cost.
Summary of the invention
The purpose of this utility model provides a kind of obstruction that slows down film, the air water back washing cleaning device of the membrane bioreactor film in the work-ing life of prolongation film.
The technical solution of the utility model: the air water back washing cleaning device of membrane bioreactor film, comprise membrane module, gas blower, water pump, water lines behind water lines and the backwashing pump before the backwashing pump of clear water tanks and connection membrane module output water lines, membrane module is by hollow fiber bundle, aeration tube and membrane module output water lines are formed, it is characterized in that: the air pipe between aeration tube and gas blower is provided with cut-off electromagnetic valve, membrane module output water lines and water pump front end are provided with the preceding magnetic valve of pump, the water lines of the rear end of water pump and clear water tanks one input terminus is provided with the pump rear electromagnetic valve, the preceding water lines of backwashing pump that another output terminal of clear water tanks is provided with the preceding magnetic valve of band water backwashing pump is connected with the water pump front end, be provided with band water backwashing pump rear electromagnetic valve before pump rear electromagnetic valve and the pump between the magnetic valve, and connect water lines behind the backwashing pump of membrane module output water lines, blower export is provided with band gas backwash tube way solenoid valve, and the backwash gas pipeline of connection membrane module output water lines.
Said membrane module output water lines is provided with the Flow-rate adjustment manual valve.
Water lines is provided with manual valve behind the water backwashing pump behind the said backwashing pump.
Said air pipe is provided with the air pipe manual valve.
Said backwash gas pipeline is provided with gas counter-flushing pipeline manual valve.
The utlity model has following advantage: 1, adopt pressurized air that film is carried out back flushing, improved developing result.2, owing to adopt a spot of backwashing water, the total permeable amount of film is improved, saved back flushing with purifying waste water.3, slow down the obstruction of film, prolong the work-ing life of film
Description of drawings
Accompanying drawing 1, the novel structural representation of this reality.
Among the figure: 1 is membrane module, and 2 is gas blower, and 3 is water pump, 4 is clear water tanks, and 5 is hollow fiber bundle, and 6 is aeration tube, 7 are membrane module output water lines, 8 is air pipe, and 9 is the air pipe manual valve, and 10 is cut-off electromagnetic valve, 11 is the Flow-rate adjustment manual valve, 12 is magnetic valve before the pump, and 13 is water lines, and 14 is the pump rear electromagnetic valve, 15 is magnetic valve before the water backwashing pump, 16 is water lines before the backwashing pump, and 17 is water backwashing pump rear electromagnetic valve, and 18 is gas counter-flushing pipeline manual valve, 19 is gas backwash tube way solenoid valve, 20 is the backwash gas pipeline, and 21 is water lines behind the backwashing pump, and 22 is manual valve behind the water backwashing pump.
Specific embodiments
As shown in Figure 1, the air water back washing cleaning device of membrane bioreactor film, comprise membrane module 1, gas blower 2, water pump 3, water lines 21 behind water lines 16 and the backwashing pump before the backwashing pump of clear water tanks 4 and connection membrane module output water lines 7, membrane module 1 is by hollow fiber bundle 5, aeration tube 6 and membrane module output water lines 7 are formed, it is characterized in that: the air pipe 8 that aeration tube 6 and gas blower are 2 is provided with air pipe manual valve 9 and cut-off electromagnetic valve 10, membrane module output water lines 7 is established Flow-rate adjustment manual valve 11 and the preceding magnetic valve 12 of pump successively with water pump 3 front ends, the water lines 13 of the rear end of water pump 3 and clear water tanks 4 one input terminuss is provided with pump rear electromagnetic valve 14, the preceding water lines 16 of backwashing pump that one output terminal of clear water tanks 4 is provided with the preceding magnetic valve 15 of band water backwashing pump is connected with water pump 3 front ends, be provided with manual valve 22 and water backwashing pump rear electromagnetic valve 17 behind the band water backwashing pump before pump rear electromagnetic valve 14 and the pump between the magnetic valve 12, and connect water lines 21 behind the backwashing pump of Flow-rate adjustment manual valve 11, gas blower 2 outlets are provided with band gas counter-flushing pipeline manual valve 18 gentle backwash tube way solenoid valves 19, and the backwash gas pipeline 20 of connection Flow-rate adjustment manual valve 11.
Gas, water backwashing principle of work: at first close cut-off electromagnetic valve 10 and air pipe manual valve 9, open gas backwash tube way solenoid valve 19 and gas counter-flushing pipeline manual valve 18, from inside to outside exert pressure by membrane module output water lines 7 through backwash gas pipeline 20 by the pressurized air of gas blower 2 output and to carry out the gas back flushing, oppositely penetrate film in this compressed-air actuated driving therapeutic method to keep the adverse qi flowing downward cognition, with the tamper wash-out in the fenestra, and the filtering layer on film surface is suspended, the back flushing of gas has and prevents and dredge membrane fiber and stop up, reduce membrane resistance, improve the effect of the permeability rate of film, after finishing with the pressurized air back flushing, pass hold one's breath counter-flushing pipeline magnetic valve 19 and gas counter-flushing pipeline manual valve 18, close the preceding magnetic valve 12 of pump and the pump rear electromagnetic valve 14 of membrane module output water lines 7 again, manual valve 22 behind the preceding magnetic valve 15 of the backwashing pump of fetching boiling water and water backwashing pump rear electromagnetic valve 17 and the water backwashing pump, with purifying waste water of clear water tanks 4 film is from inside to outside carried out water backwashing again, with the air in the displacement membrane.
Claims (5)
1, the air water back washing cleaning device of membrane bioreactor film, comprise membrane module, gas blower, water pump, water lines behind water lines and the backwashing pump before the backwashing pump of clear water tanks and connection membrane module output water lines, membrane module is by hollow fiber bundle, aeration tube and membrane module output water lines are formed, it is characterized in that: the air pipe between aeration tube and gas blower is provided with cut-off electromagnetic valve, membrane module output water lines and water pump front end are provided with the preceding magnetic valve of pump, the water lines of the rear end of water pump and clear water tanks one input terminus is provided with the pump rear electromagnetic valve, the preceding water lines of backwashing pump that another output terminal of clear water tanks is provided with the preceding magnetic valve of band water backwashing pump is connected with the water pump front end, be provided with band water backwashing pump rear electromagnetic valve before pump rear electromagnetic valve and the pump between the magnetic valve, and connect water lines behind the backwashing pump of membrane module output water lines, blower export is provided with band gas backwash tube way solenoid valve, and the backwash gas pipeline of connection membrane module output water lines.
2, the air water back washing cleaning device of membrane bioreactor film according to claim 1 is characterized in that: said membrane module output water lines is provided with the Flow-rate adjustment manual valve.
3, the air water back washing cleaning device of membrane bioreactor film according to claim 1 is characterized in that: water lines is provided with manual valve behind the water backwashing pump behind the said backwashing pump.
4, the air water back washing cleaning device of membrane bioreactor film according to claim 1, it is characterized in that: said air pipe is provided with the air pipe manual valve.
5, the air water back washing cleaning device of membrane bioreactor film according to claim 1 is characterized in that: said backwash gas pipeline is provided with gas counter-flushing pipeline manual valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02205772U CN2530940Y (en) | 2002-02-28 | 2002-02-28 | Gas-water backflush device of membrane for membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02205772U CN2530940Y (en) | 2002-02-28 | 2002-02-28 | Gas-water backflush device of membrane for membrane bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2530940Y true CN2530940Y (en) | 2003-01-15 |
Family
ID=33687333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02205772U Expired - Fee Related CN2530940Y (en) | 2002-02-28 | 2002-02-28 | Gas-water backflush device of membrane for membrane bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2530940Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453478C (en) * | 2006-09-21 | 2009-01-21 | 深圳市金达莱环保股份有限公司 | Intelligent type mid-water reuse device and cleaning method thereof |
| CN101798161A (en) * | 2010-04-09 | 2010-08-11 | 北京迈维斯特科技有限公司 | Sewage treatment system |
| CN103055573A (en) * | 2013-01-24 | 2013-04-24 | 昆山华科膜环保科技有限公司 | Concentrated filtering device and cleaning method of filter elements |
| US9028622B2 (en) | 2008-05-30 | 2015-05-12 | Beijing Ecojoy Water Technology Co., Ltd. | Method and apparatus for cleaning a film seperating device |
| CN109364763A (en) * | 2018-11-27 | 2019-02-22 | 陈博洋 | A kind of cleaning MF system and its control method automatically |
| CN109851171A (en) * | 2019-02-26 | 2019-06-07 | 四川逸名环保科技有限公司 | A kind of tri- layers of auto-cleaning method of MBR |
| CN110670081A (en) * | 2019-09-04 | 2020-01-10 | 北京耀智环保科技有限公司 | Acid recovery device and process method for reverse ion exchange |
-
2002
- 2002-02-28 CN CN02205772U patent/CN2530940Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453478C (en) * | 2006-09-21 | 2009-01-21 | 深圳市金达莱环保股份有限公司 | Intelligent type mid-water reuse device and cleaning method thereof |
| US9028622B2 (en) | 2008-05-30 | 2015-05-12 | Beijing Ecojoy Water Technology Co., Ltd. | Method and apparatus for cleaning a film seperating device |
| CN101798161A (en) * | 2010-04-09 | 2010-08-11 | 北京迈维斯特科技有限公司 | Sewage treatment system |
| CN101798161B (en) * | 2010-04-09 | 2012-07-18 | 北京迈维斯特科技有限公司 | Sewage treatment system |
| CN103055573A (en) * | 2013-01-24 | 2013-04-24 | 昆山华科膜环保科技有限公司 | Concentrated filtering device and cleaning method of filter elements |
| CN109364763A (en) * | 2018-11-27 | 2019-02-22 | 陈博洋 | A kind of cleaning MF system and its control method automatically |
| CN109851171A (en) * | 2019-02-26 | 2019-06-07 | 四川逸名环保科技有限公司 | A kind of tri- layers of auto-cleaning method of MBR |
| CN109851171B (en) * | 2019-02-26 | 2021-09-21 | 四川逸名环保科技有限公司 | MBR three-layer automatic cleaning method |
| CN110670081A (en) * | 2019-09-04 | 2020-01-10 | 北京耀智环保科技有限公司 | Acid recovery device and process method for reverse ion exchange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN UNIVERSITY Free format text: FORMER NAME OR ADDRESS: YANG ZHENGANG Owner name: TIANJIN CITY XINGYUAN ENVIRONMENTAL TECHNOLOGY ENG Free format text: CHANGE FOR CO-PATENTEE; FORMER NAME OR ADDRESS: GU PING LI LI |
|
| CP03 | Change of name, title or address |
Address after: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Co-patentee after: Tianjin Spring Environmental Technology & Engineering Co., Ltd. Patentee after: Tianjin University Address before: 300181, Zhongshan Gate, Hedong District, Tianjin, south of 20-2-601 Co-patentee before: Gu Ping Patentee before: Yang Zhengang Co-patentee before: Li Li |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030115 Termination date: 20100228 |