CN100567179C - Biological reactor of polygonal line flowing film - Google Patents
Biological reactor of polygonal line flowing film Download PDFInfo
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- CN100567179C CN100567179C CNB2007100116417A CN200710011641A CN100567179C CN 100567179 C CN100567179 C CN 100567179C CN B2007100116417 A CNB2007100116417 A CN B2007100116417A CN 200710011641 A CN200710011641 A CN 200710011641A CN 100567179 C CN100567179 C CN 100567179C
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Abstract
The present invention relates to a kind of waste disposal plant, particularly relate to the UCT-biological reactor of polygonal line flowing film of water reuse in a kind of being directly used in.Include float(ing)valve, the boring aeration groove, liquid meter, gas meter, vacuum pressure gauge, hollow fiber film assembly, the diving reflux pump, single-stage vacuum primingpump, electronics agitator, aeration pump, ORP potential test instrument, dissolved oxygen detector, water tank, equalizing tank, it is characterized in that: membrane bioreactor is divided into anaerobic zone according to 1: 1: 4 volumetric ratio, the oxygen-starved area, aerobic zone is provided with in aerobic zone 〉=fixed 2 separation baffles according to reactor volume, by the redox potential of ORP probe monitoring anaerobic zone and oxygen-starved area, be the broken-line type flow pattern by whole current in the dissolved oxygen situation reactor of DO probe monitoring aerobic zone, water pumped in the water tank by membrane module by suction pump.
Description
Technical field
The present invention relates to a kind of waste disposal plant, particularly relate to the UCT-biological reactor of polygonal line flowing film of water reuse in a kind of being directly used in.
Background technology
Along with development of human society, water resources problems more and more has been subjected to people's attention, and Freshwater resources are one of human survival and the indispensable natural resources of development when being non-renewable.Can take up an area of 0.6% of ball Total Water for the water resources of utilizing on the earth according to investigations, resource is inhomogeneous at the branch polarity in the whole world.The data that provides according to the UN's Commission on Human Settlements, at present in the world, face water shortage problem number oneself account for 20% of global total number of persons, be about 1,200,000,000 people.China is a country that lacks water resources, and there is the lack of water phenomenon in many areas.And a large amount of municipal effluents in the many cities of China are unprocessed or promptly be discharged without effective processing, and the result has polluted environment, has aggravated the shortage of water resources.Water money crisis of resource will be first restraining factors that influence the economic sustainable growth of China 21 century.China's waste water total amount was 41,600,000,000 tons in 1997, and wherein trade effluent is 22,700,000,000 tons, and sanitary sewage is 18,900,000,000 tons.The processing rate of trade effluent is 78.9%, and compliance rate is 54.4%, and the processing rate of sanitary sewage has only 20% whole nation to have approximately that the sanitary sewage of 1/3 trade effluent and 4/5 is unprocessed just directly to enter river, Hu Hehai, makes water surrounding suffer severe contamination.Therefore, the consciousness of saving water of strengthening people is extremely urgent, seeks more suitably sewage water treatment method simultaneously, realizes that the second stage employ of sewage will play crucial effect for the mankind's development.
Middle water reuse is exactly that used water in industry and the town dweller's life is carried out the reuse of various degree after treatment.It is to the tap water degree with dirt, wastewater treatment that its reuse has two kinds of standards in various degree a kind of; Another kind then is to the undrinkable water degree with dirt, wastewater treatment.Preceding a kind of method complexity, expensive many, the employing of most of country to non-degree of drinking, has been drawn middle water notion with dirt, wastewater treatment thus.In water just with people in life with the assorted draining of exhausted high-quality in producing, after the afflux manipulation of regeneration, reuse is served as floor cleaning, is watered flowers, carwash, air-conditioning cooling, flushing, closet, fire-fighting and industry etc. not with human body from the miscellaneous water that contacts.Because of its water-quality guideline is lower than water quality standard for drinking water in the city water, allow to enter the surface water body emission standard but be higher than sewage, so occuping Drinking Water water quality and allow, its water quality is named as " middle water " between the sewage effluent water quality standard.One of important form of reusing sewage is not only in middle water reuse, also is the important way of urban life water saving.
Membrane bioreactor is as a kind of novel sewage disposal and reuse technology, because its process structure is simple, operational management is convenient, stable effluent quality and be better than national miscellaneous domestic water quality standard, adopt on a large scale in the world, and also accepted by each big city gradually at home.But existing membrane bioreactor, because the technology type restriction is difficult to improve the clearance to the nitrogen in the sanitary sewage, phosphor contaminant.Certain inhibition has been played in its further development.
Summary of the invention
The object of the present invention is to provide a kind ofly, provide that a kind of operation process is stable, convenient management, membrane bioreactor that denitrogenation dephosphorizing efficient is high by existing membrane bioreactor is improved.Because the existence of dual reflux system and membrane module has guaranteed that stable effluent quality is up to standard.And make overall operation automatization controllability strong, management maintenance is convenient.
The objective of the invention is to be achieved through the following technical solutions:
Biological reactor of polygonal line flowing film, include float(ing)valve, the boring aeration groove, liquid meter, gas meter, vacuum pressure gauge, hollow fiber film assembly, diving reflux pump, the single-stage vacuum primingpump, the electronics agitator, aeration pump, ORP potential test instrument, the dissolved oxygen detector, water tank, equalizing tank is divided into anaerobic zone with membrane bioreactor according to 1: 1: 4 volumetric ratio, the oxygen-starved area, aerobic zone, in aerobic zone, be provided with 〉=fixed 2 separation baffles according to reactor volume, membrane module places the aerobic zone end, adopts the UCT reflux technique, promptly sewage from aerobic zone backflow nitrification liquid to the oxygen-starved area, the oxygen-starved area backflow mixed liquor is to anaerobic zone, by the redox potential of ORP (redox potential) probe monitoring anaerobic zone and oxygen-starved area, be the broken-line type flow pattern by whole current in the dissolved oxygen situation reactor of DO (dissolved oxygen) probe monitoring aerobic zone, by suction pump water is pumped in the water tank by membrane module.
Aforesaid biological reactor of polygonal line flowing film, its reactor anaerobic zone, oxygen-starved area, aerobic zone volumetric ratio are 1: 1: 4; Control hydraulic detention time in service is 6～9h, and sludge age adopts 42d, sludge concentration 5000mg/L; Adopt the continuous aeration mode, gas-water ratio is 50: 1; Aerobic zone is 300% to the oxygen-starved area return current ratio of the mixed liquid, and the oxygen-starved area is 200% to the anaerobic zone return current ratio of the mixed liquid.
Advantage of the present invention and effect are:
1. the denitrogenation dephosphorizing effect improves: the UCT-biological reactor of polygonal line flowing film adopts UCT (University of Cape Town) dual reflux technology, control by reflux ratio is carried out fully denitrification in the oxygen-starved area, mixed solution can not be brought NO into when the oxygen-starved area is back to anaerobic zone
x --N influences anaerobic environment, and what strengthened the anaerobic zone polyP bacteria releases the phosphorus effect, thereby has strengthened the denitrogenation dephosphorizing function of membrane bioreactor.
2. floor space reduces in the construction: the UCT-biological reactor of polygonal line flowing film is by three reaction zones and the separation baffles acting in conjunction in aerobic zone, making current be broken line flows, played preventing short stream and the effect that prolongs hydraulic detention time, thereby the reaction tank floor space in the practice of construction is reduced.
3. stable effluent quality, operational management is convenient: the anti-water inlet of UCT-biological reactor of polygonal line flowing film technology organic loading impact capacity is strong, because the existence of dual reflux system and membrane module has guaranteed that stable effluent quality is up to standard.Overall operation automatization controllability is strong, and management maintenance is convenient.
Description of drawings
Fig. 1 is a UCT-biological reactor of polygonal line flowing film synoptic diagram;
Fig. 2 is that UCT-biological reactor of polygonal line flowing film current move towards figure.
Major parts explanation among the figure:
1. equalizing tank 2. float(ing)valves 3. boring aeration grooves 4. under meters 5. vacuum pressure gauges 6. membrane modules 7. diving reflux pumps 8. single-stage vacuum primingpumps 9. electronics agitators 10. air compressor machines 11. water tank 12.ORP potential detectors 13. temperature, pH value, dissolved oxygen detector.
Arrow points is the trends of current in reactor among the figure, and inside and outside backflow represents that respectively the oxygen-starved area is to anaerobic zone in the UCT technology, and aerobic zone is to two mixed-liquor returns of oxygen-starved area.
Embodiment
The present invention is described in detail with reference to the accompanying drawings.
Membrane bioreactor is divided into anaerobic zone, oxygen-starved area, aerobic zone according to 1: 1: 4 volumetric ratio, 〉=2 separation baffles (deciding according to reactor volume) are set in aerobic zone, membrane module places the aerobic zone end, adopt the UCT reflux technique during operation, be sewage from aerobic zone backflow nitrification liquid to the oxygen-starved area, the oxygen-starved area backflow mixed liquor is to anaerobic zone, by the redox potential of ORP probe monitoring anaerobic zone and oxygen-starved area, by the dissolved oxygen situation of DO probe monitoring aerobic zone.Whole current are the broken-line type flow pattern in the reactor, by suction pump water are pumped in the water tank by membrane module.
Figure 1 shows that UCT-biological reactor of polygonal line flowing film operation synoptic diagram, its operational process is: sanitary sewage is by the anaerobic zone of equalizing tank inflow reactor and mixed solution mixing the carrying out anaerobic phosphorus release activity that refluxes from the oxygen-starved area.Sewage flows into the oxygen-starved area and mixes with nitrifying sludge from the aerobic zone backflow and carry out the denitrogenation activity in the anaerobic zone back that stays for some time.All be provided with agitator at anaerobic zone and oxygen-starved area, the former water and the phegma of coming in stirred, make its thorough mixing.Mixed solution enters into aerobic zone from the oxygen-starved area, and aerobic zone is provided with separation baffles by flow deflector, makes current be broken line and flows, and membrane module places end, relies on the suction of suction pump that water is pumped in the water tank of outside by film.Dissolved oxygen situation by ORP probe monitoring anaerobic zone and oxygen-starved area; Dissolved oxygen situation by DO probe monitoring aerobic zone.Adopt the UCT reflux technique during operation, promptly sewage to the oxygen-starved area, carries out anti-nitration reaction from aerobic zone backflow nitrification liquid here, makes denitrification make N be transformed into N fully thereby the characteristics of this technology are to control reflux ratio
2Discharge reactor; Mixed solution can not be brought NO into when the oxygen-starved area is back to anaerobic zone after denitrification is finished
x --N influences anaerobic environment, thereby has strengthened the sewage treatment process of denitrogenation dephosphorizing function.
Claims (2)
1. biological reactor of polygonal line flowing film, include float(ing)valve, the boring aeration groove, liquid meter, gas meter, vacuum pressure gauge, hollow fiber film assembly, the diving reflux pump, the single-stage vacuum primingpump, electronics agitator, aeration pump, the redox potential tester, the dissolved oxygen detector, water tank, equalizing tank, it is characterized in that: membrane bioreactor is divided into anaerobic zone according to 1: 1: 4 volumetric ratio, the oxygen-starved area, aerobic zone, according to reactor volume 〉=2 separation baffles are set in aerobic zone, membrane module places the aerobic zone end, adopts dual reflux technology, be sewage from aerobic zone backflow nitrification liquid to the oxygen-starved area, the oxygen-starved area backflow mixed liquor is to anaerobic zone, by the redox potential of redox potential probe monitoring anaerobic zone and oxygen-starved area, by the dissolved oxygen situation of dissolved oxygen probe monitoring aerobic zone, whole current are the broken-line type flow pattern in the reactor, by suction pump water are pumped in the water tank by membrane module.
2. biological reactor of polygonal line flowing film according to claim 1 is characterized in that: reactor anaerobic zone, oxygen-starved area, aerobic zone volumetric ratio are 1: 1: 4; Control hydraulic detention time in service is 6～9h, and sludge age adopts 42d, sludge concentration 5000mg/L; Adopt the continuous aeration mode, gas-water ratio is 50: 1; Aerobic zone is 300% to the oxygen-starved area return current ratio of the mixed liquid, and the oxygen-starved area is 200% to the anaerobic zone return current ratio of the mixed liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100116417A CN100567179C (en) | 2007-06-08 | 2007-06-08 | Biological reactor of polygonal line flowing film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100116417A CN100567179C (en) | 2007-06-08 | 2007-06-08 | Biological reactor of polygonal line flowing film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101092270A CN101092270A (en) | 2007-12-26 |
| CN100567179C true CN100567179C (en) | 2009-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100116417A Expired - Fee Related CN100567179C (en) | 2007-06-08 | 2007-06-08 | Biological reactor of polygonal line flowing film |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823809B (en) * | 2010-01-08 | 2013-04-10 | 厦门市威士邦膜科技有限公司 | Distributed sewage regeneration method, apparatus and control system |
| CN101913688B (en) * | 2010-07-23 | 2012-02-29 | 安徽省瑞森生物科技有限责任公司 | Multifunctional high-efficiency sewage treatment system with zero discharge |
| CN103570129B (en) * | 2013-10-30 | 2015-08-12 | 上海中信水务产业有限公司 | A kind of circulation flow ring-shaped membrane bioreactor effluent treatment process |
| CN103613195B (en) * | 2013-11-25 | 2015-01-14 | 北京化工大学 | Integrated MBR (Membrane Bio-Reactor) |
| CN105948246A (en) * | 2015-09-01 | 2016-09-21 | 江西金达莱环保股份有限公司 | Non-zoned membrane biological sewage treatment method and non-zoned membrane biological sewage treatment system |
| CN105923749A (en) * | 2015-09-01 | 2016-09-07 | 江西金达莱环保股份有限公司 | Gasification dephosphorization sewage treatment method and system |
| CN107055774A (en) * | 2016-12-12 | 2017-08-18 | 无锡市拜沃特环保科技有限公司 | A kind of simultaneous denitrification removes algae membrane bioreactor |
| CN108483659A (en) * | 2018-06-14 | 2018-09-04 | 安徽舜禹水务股份有限公司 | A kind of strengthening biological carbon and phosphorous removal folded plate reactor sewage-treatment plant |
| CN109455816B (en) * | 2018-11-22 | 2022-03-04 | 大连安能杰科技有限公司 | Method and equipment for accurately controlling denitrification |
| CN111285536A (en) * | 2018-12-06 | 2020-06-16 | 国投生物科技投资有限公司 | Device and method for recovering nitrogen and phosphorus in residual bait and excrement generated in aquaculture |
| CN109534625B (en) * | 2019-01-25 | 2020-12-11 | 清华大学 | Method for enhanced phosphorus removal of membrane bioreactor |
| CN111704315B (en) * | 2020-06-16 | 2022-11-29 | 沈阳环境科学研究院 | High-nitrogen high-concentration organic wastewater treatment system and method for realizing same |
| CN112047467B (en) * | 2020-08-07 | 2022-06-07 | 山东思源水业工程有限公司 | Intelligent efficient aeration biochemical system |
| CN112047472A (en) * | 2020-09-08 | 2020-12-08 | 中山大学 | System and method for synchronous treatment of odor and sewage |
| CN114644398B (en) * | 2022-04-01 | 2023-02-07 | 广东省广业装备制造集团有限公司 | Landfill leachate collecting and processing system |
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