CN101386444A - Aerobic granule sludge membrane bioreactor system - Google Patents
Aerobic granule sludge membrane bioreactor system Download PDFInfo
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- CN101386444A CN101386444A CNA2008101724202A CN200810172420A CN101386444A CN 101386444 A CN101386444 A CN 101386444A CN A2008101724202 A CNA2008101724202 A CN A2008101724202A CN 200810172420 A CN200810172420 A CN 200810172420A CN 101386444 A CN101386444 A CN 101386444A
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- 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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- Activated Sludge Processes (AREA)
Abstract
The invention relates to an aerobic granular sludge film bioreactor system used for treating organic wastewater, which pertains to the technical field of wastewater treatment. The system is a water treatment system which effectively combines an aerobic granular sludge technique in a bio-treatment method with a film bioreactor technique and solves film pollution which is the most outstanding problem during the operation of the film bioreactor. The water treatment system has high capacity and load, good liquid-solid separation effect, fast sedimentation of sludge in a granular shape, high reactivity, light film pollution degree and long service life and occupies less land and nitration and denitrification can be carried out synchronously. The system can be applied to water reuse in communities and buildings, treating wastewater in hospitals and night soil wastewater, carrying out advanced treatment of high concentration of various organic industrial wastewaters, landfill/composting leachate treatment and micro-polluted drinking water purification.
Description
Technical field
A kind of aerobic granule sludge membrane bioreactor system of handling organic waste water belongs to technical field of waste water processing.Specifically, be with the aerobic particle mud technology in the bioremediation and a kind of water treatment system of the effective bonded of membrane Bio-reactor Technology.This water treatment system volumetric loading height takes up an area of and lacks, Gu liquid-good separating effect, it is fast that mud is the particulate state sedimentation, the reactive behavior height, and the energy synchronous nitration and denitrification, the film pollution level is light, long service life.Can be used in water reuse in sub-district and the building construction, hospital wastewater is handled, and excrement and urine water is handled, the advanced treatment of all kinds of high-concentration organic industrial waste waters, and refuse landfill/compost percolate is handled, and micro-polluted drinking water purifies.
Background technology
China's economy has obtained unprecedented growing continuously and fast since the reform and opening-up, and still, because the rapid expansion of development of resources and the rapid growth of energy consumption, ecological damage of China and environmental pollution have reached very serious degree.In order to realize the Sustainable development of China's economy and society, must resolve the contradiction of development and environment protection.
Current quick increase, socioeconomic continuous development owing to population, not only the demand of water increases greatly, and the sewage emissions amount also grows with each passing day.The water quality requirement of discharge of wastewater has all been improved in the many places of China (as Taihu Lake basin etc.), and traditional activated sludge process is being difficult to satisfy the requirement that improves constantly aspect multifunctionality, efficient stable and the economical rationality handled.In order to alleviate this contradiction, develop, study and use new and effective biological process of wastewater treatment, become the important topic of countries in the world water pollution control engineering area research.
The sewage aerobic biological treatment is topmost method of wastewater treatment and the most frequently used means, be widely used in the purifying treatment engineering of municipal effluent and trade effluent, these technology are at aspects such as design theory, actual motion management, the experience that comparative maturity has all been arranged, but still there is major defect in these technology at aspects such as mass-transfer efficiency, operational administrative, operating load and energy consumptions, and effluent quality also can't reach the higher regional emission standard of water quality requirement.
Membrane bioreactor is the high-efficiency activated mud waste water treatment reactor of just coming out in recent years.After treatment, water sees through the separatory membrane discharging to sewage in activated sludge reactor, and mud (microorganism) is trapped.The mud of holding back still is retained in the reactor, and high-quality water outlet can be used in greening irrigation, flushing lavatory and agricultural irrigation etc. again, has realized the resource utilization of waste water.Compare with traditional activated sludge process, membrane bioreactor in the characteristics aspect the processing sanitary sewage is: (1) contaminant removal efficiency height, treat effluent water quality is good.Not only to suspended solids and organic removal efficient height, and can remove bacterium and virus etc., but the water outlet direct reuse; (2) microorganism is trapped in the bio-reactor fully, the separating fully of realization response device hydraulic detention time and sludge age; (3) the microorganism concn height in the bio-reactor, device processing volume load is big, and sludge yield is low, and equipment takes up an area of few.
Membrane module in the membrane bioreactor easily pollutes, stops up, and it is a major reason of restriction membrane bioreactor widespread use that regular cleaning, replacing cause running cost to rise.The present invention combines aerobic particle mud technology and membrane Bio-reactor Technology, developed a kind of novel aerobic granule sludge membrane bioreactor system, all advantages that both had membrane bioreactor, also strengthened the nitration denitrification denitrogenation process, the more important thing is to have alleviated the film pollution greatly, reduced running cost.Because, the mud granule size is big more, then the net migration speed to face is more little, particle is also just difficult more to be deposited at face, its formed gel coat has bigger porosity and relatively poor compressibility with respect to ordinary activated sludge, therefore the resistance to mass transfer that it caused is less than common active mud, and the particle diameter of aerobic particle mud will be far longer than the aperture of film, have only the much the same particle of size and fenestra deposition can cause that just serious film pollutes, so the mud of larger particles can there be mud can effectively reduce pollution substance in the absorption of fenestra inwall with cause the possibility that the fenestra road blocks.
Summary of the invention
The purpose of this invention is to provide a kind of aerobic granule sludge membrane bioreactor system, exploitation volumetric loading height, floor space is little, the film pollution level light, long service life, a kind of aerobic granular sludge membrane reactor (GMBR) applied widely.
Technical scheme of the present invention: the full-automatic efficient wastewater treatment equipment of forming by novel aerobic granular sludge membrane bioreactor and computer supervisory control system.1 pair of of the present invention being described as follows in conjunction with the accompanying drawings:
The full-automatic efficient wastewater treatment equipment that wastewater treatment equipment of the present invention is made up of aerobic granular sludge membrane bioreactor and computer supervisory control system, described device is made of Controlling System 1, water-in 2, grid 3, liquid level indicator 4, membrane module 5, guide shell 6, aeration tube 7, pressure transmitter 8, liquid meter 9, water port 10, water outlet 11, suction pump 12, gas meter 13, gas blower 14, be provided with guide shell 6 at the middle part of reactor, guide shell is fixedlyed connected with reactor is unsettled in position, reactor axis by support.Aeration tube 7 is housed below guide shell, and aeration tube 7 links to each other by the gas blower 14 of pipeline and peripheral hardware, the drum entrance pressure air that contracts, and the pipeline that aeration tube 7 links to each other with gas blower 14 is provided with gas meter 13 and measures the gas volume that blasts; The intake pump and/or the recycle pump of water-in 2 and peripheral hardware link to each other, pump advances waste water and/or recirculated water, waste water that pump advances and/or recirculated water filter through grid 3, remove behind the bigger solid substance outside of guide shell 6 in the inflow reactor, the air that the aeration tube 7 of guide shell 6 belows exposes, the liquid that promotes in the guide shell 6 moves upward, make gas-liquid mixed, strengthen and transmit, liquid phase upwards in the guide shell, go out guide shell 6 backs and move downward formation circulation in the outside of guide shell 6, the waste water that flows into after filtering through grid 3 flows to the bottom of guide shell 6.The inside of guide shell 6 is equipped with membrane module 5.The top of membrane module 5 has pipeline to link to each other with suction pump 12, and the water that suction pump 12 is extracted out is discharged by water outlet 11, and the pipeline that membrane module 5 links to each other with suction pump 12 is provided with the water yield that liquid meter 9 meterings are extracted out.Also be provided with pressure transmitter 8 on membrane module 5 and the pipeline that suction pump 12 links to each other, measure mould.Be provided with three water port 10 at the side of reactor different heights, draining, sampling and spoil disposal when being used for the aerobic particle mud cultivation.In reactor, be provided with liquid level indicator 4, the liquid level in the controlling reactor.Liquid level indicator 4, pressure transmitter 8, suction pump 12, gas blower 14 all link to each other with Controlling System 1, are controlled by Controlling System.
Reactor volume is 2L-2000m
3, the aspect ratio of reactor (H/D) is 1: 2-5: between 1; Draft tube diameter and reactor diameter are than (D
E/ D) be between 0.6-0.8; Guide shell is in 100-500mm scope apart from bottom size.
Reactor of the present invention is by being made by steel plate, glass or other materials.The principal feature of aerobic granular sludge membrane bioreactor is exactly that the interior active sludge of reactor exists with particulate state, and sludge settling is fast, the reactive behavior height, and the energy synchronous nitration and denitrification, the film pollution level is light, the long service life of film; Be provided with guide shell in the reactor, make liquid formation circulation in the reactor, make particle big, the mud that settleability is good can be retained in the guide shell, and tiny, the bad mud of settleability is taken to outside the guide shell by circulation, drains from water port; These structures are strengthened the mass transfer process of organism and granule sludge, therefore have higher organic loading, and the processing power of reactor is improved, and improves the efficient of reactor greatly; The impact capacity of the anti-unfavourable condition of reactor strengthens.
Link to each other with computer by data line simultaneously, the liquid level in the reactor, mould, suction pump and gas blower are by computer system control and detection automatically.Level of automation is very high, greatly reduces hand labor intensity.
This device can either be used for sub-district and the reuse of building construction water, can also be used for hospital wastewater and handle, excrement and urine water is handled, the advanced treatment of all kinds of high-concentration organic industrial waste waters, refuse landfill/compost percolate is handled, and purifies because can be used for micro-polluted drinking water.
Description of drawings
Fig. 1 is aerobic granular sludge membrane bioreactor (GMBR) structure iron.
1. Controlling System, 2. water-in, 3. grid, 4. liquid level indicator, 5. membrane module, 6. diversing bucket, 7. aeration tube, 8. pressure transmitter, 9. liquid meter, 10. water port, 11. water outlets, 12. suction pumps, 13. gas meters, 14. gas blowers.
Embodiment
Give further detailed explanation below by embodiment to the present invention.
The granule sludge of embodiment 1:GMBR is cultivated
Add active sludge in reactor, pH is between 7.0～8.5 in control, and system COD volumetric loading is at 0.5～2.0kg/m
3.d change between, the control aeration rate is interrupted and gets rid of mud in small, broken bits from water port, and the polymer that has the relative compact structure after 3-4 days occurs, and aerobic particle mud engendered in 8 days.By control aeration rate and spoil disposal, the relatively poor floc sludge of settling property is constantly washed out on this basis, in the reactor based on granule sludge.Aerobic particle mud in the reactor is to COD in the waste water and NH after measured
3-N has treatment effect preferably.
The comparison of embodiment 2:GMBR effluent quality and relative national standards
Adopt its effluent quality of GMBR processing sanitary sewage to be better than the standard of the reuse water (lavatory toilet stool washing and vehicle flushing) of country and relevant department's formulation.
Claims (3)
1. aerobic granule sludge membrane bioreactor system of handling organic waste water, it is characterized in that the full-automatic efficient wastewater treatment equipment that Waste Water Treatment is made up of aerobic granular sludge membrane bioreactor and computer supervisory control system, described device is by Controlling System (1), water-in (2), grid (3), liquid level indicator (4), membrane module (5), guide shell (6), aeration tube (7), pressure transmitter (8), liquid meter (9), water port (10), water outlet (11), suction pump (12), gas meter (13), gas blower (14) constitutes, be equipped with guide shell (6) at the middle part of reactor, guide shell is fixedlyed connected with reactor is unsettled in position, reactor axis by support, aeration tube (7) is housed below guide shell, aeration tube (7) links to each other by the gas blower (14) of pipeline and peripheral hardware, the drum entrance pressure air that contracts, the pipeline that aeration tube (7) links to each other with gas blower (14) is provided with the gas volume that gas meter (13) metering blasts, the intake pump and/or the recycle pump of water-in (2) and peripheral hardware link to each other, pump advances waste water and/or recirculated water, waste water that pump advances and/or recirculated water filter through grid (3), remove behind the bigger solid substance outside of guide shell (6) in the inflow reactor, the air that the aeration tube (7) of guide shell (6) below exposes, the liquid that promotes in the guide shell (6) moves upward, outside at guide shell (6) moves downward formation circulation, the waste water that flows into after filtering through grid (3) flows to the bottom of guide shell (6), the inside of guide shell (6) is equipped with membrane module (5), the top of membrane module (5) has pipeline to link to each other with suction pump (12), the water that suction pump (12) is extracted out is discharged by water outlet (11), the pipeline that membrane module (5) links to each other with suction pump (12) is provided with the water yield that liquid meter (9) metering is extracted out, the pipeline that membrane module (5) links to each other with suction pump (12) is provided with pressure transmitter (8), measures mould.Be provided with three water port (10) at the side of reactor different heights, draining, sampling and spoil disposal when being used for the aerobic particle mud cultivation are provided with liquid level indicator (4) in reactor, the liquid level in the controlling reactor.Liquid level indicator (4), pressure transmitter (8), suction pump (12), gas blower (14) all link to each other with Controlling System (1), are controlled by Controlling System (1).
2. aerobic granular sludge membrane bioreactor according to claim 1 is characterized in that being provided with guide shell in the reactor, and liquid forms circulation in the reactor inside and outside guide shell.
3. aerobic granular sludge membrane bioreactor according to claim 1 is characterized in that reactor volume is 2L-2000m
3, the aspect ratio of reactor (H/D) is between 1:2-5:1; Draft tube diameter and reactor diameter are than (D
E/ D) be between 0.6-0.8; Guide shell is in 100-500mm scope apart from bottom size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101724202A CN101386444A (en) | 2008-11-10 | 2008-11-10 | Aerobic granule sludge membrane bioreactor system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101724202A CN101386444A (en) | 2008-11-10 | 2008-11-10 | Aerobic granule sludge membrane bioreactor system |
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| CN101386444A true CN101386444A (en) | 2009-03-18 |
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| CNA2008101724202A Pending CN101386444A (en) | 2008-11-10 | 2008-11-10 | Aerobic granule sludge membrane bioreactor system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583711A (en) * | 2012-02-22 | 2012-07-18 | 宜兴市金德环保设备有限公司 | Aerobic reactor |
| CN105502843A (en) * | 2016-01-19 | 2016-04-20 | 清华大学 | Sewage treatment system and use thereof |
| CN107827325A (en) * | 2017-12-07 | 2018-03-23 | 中国科学院生态环境研究中心 | Confined space sewage disposal system and method |
| CN109250875A (en) * | 2018-11-28 | 2019-01-22 | 佛山科学技术学院 | A kind of MBR film catering waste water treatment equipment |
| CN110092467A (en) * | 2019-05-31 | 2019-08-06 | 江西理工大学 | Utilize the method and its membrane bioreactor of aerobic granular sludge membrane processing landfill leachate |
-
2008
- 2008-11-10 CN CNA2008101724202A patent/CN101386444A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583711A (en) * | 2012-02-22 | 2012-07-18 | 宜兴市金德环保设备有限公司 | Aerobic reactor |
| CN105502843A (en) * | 2016-01-19 | 2016-04-20 | 清华大学 | Sewage treatment system and use thereof |
| CN107827325A (en) * | 2017-12-07 | 2018-03-23 | 中国科学院生态环境研究中心 | Confined space sewage disposal system and method |
| CN109250875A (en) * | 2018-11-28 | 2019-01-22 | 佛山科学技术学院 | A kind of MBR film catering waste water treatment equipment |
| CN110092467A (en) * | 2019-05-31 | 2019-08-06 | 江西理工大学 | Utilize the method and its membrane bioreactor of aerobic granular sludge membrane processing landfill leachate |
| CN110092467B (en) * | 2019-05-31 | 2021-10-29 | 江西理工大学 | Method for treating garbage percolate by using aerobic granular sludge membrane and membrane bioreactor thereof |
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Application publication date: 20090318 |