CN100457650C - Integrated bubble-free aeration biological composite film film-separation biological reactor - Google Patents
Integrated bubble-free aeration biological composite film film-separation biological reactor Download PDFInfo
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- CN100457650C CN100457650C CNB2007100717349A CN200710071734A CN100457650C CN 100457650 C CN100457650 C CN 100457650C CN B2007100717349 A CNB2007100717349 A CN B2007100717349A CN 200710071734 A CN200710071734 A CN 200710071734A CN 100457650 C CN100457650 C CN 100457650C
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- bubble
- pipe
- aeration
- free aeration
- membrane assembly
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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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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention relates to a film separating biology reactor to realize film pollution problem. The solid and liquid separating film component and the first non-bubble aeration biology film component are set in biochemical reaction vertically. The solid and liquid separating film component and the first non-bubble aeration biology film component are paralleling. The separating film component connects to water outlet pipeline, and the suction pump connects to water outlet pipeline in series. The invention is placed with solid liquid separating film alternating. The aerator pipe and distributing pipe are set between two films. It is benefit to fully mix organic pollutant and active sludge. It could effectively solve the film pollution problem.
Description
Technical field
The present invention relates to a kind of membrane bioreactor.
Background technology
Membrane bioreactor (Membrane bioreactor, be called for short MBR) is a kind of novel, the sewage disposal technology efficiently with membrane separation technique and traditional biological treatment process be combined into.Utilize ultra-filtration membrane or microfiltration membrane to substitute traditional second pond and carry out solid-liquid separation, can realize separating of sludge retention time (SRT) and hydraulic detention time, and allow long SRT, be applicable to the organic waste water of handling high-concentration hardly-degradable.
Membrane pollution problem is the important factor of restriction membrane bioreactor development always, membrane bioreactor need keep higher mixed liquor suspended solid, MLSS concentration (MLSS), but higher sludge concentration can increase the weight of the pollution speed of membrane bioreactor again, the mode of settling filler in reactor is adopted in a lot of researchs, utilizes floating stuffing adsorption activity mud or reduce MLSS by fibrous packing extension microbial film to alleviate the influence that suspended solids pollutes film.But it is bigger that the filling surface microbial film is influenced by aerating system, can't guarantee to form good microbial film, also will take into account the influence of mixed solution mud simultaneously, and the actually operating less stable can't guarantee good treatment effect.
Summary of the invention
Utilize floating stuffing adsorption activity mud or hang microbial film reduction MLSS and alleviate the influence that suspended solids pollutes film by fibrous packing, but it is bigger that the filling surface microbial film is influenced by aerating system, can't guarantee to form good microbial film, also to take into account the influence of mixed solution mud simultaneously, cause the actually operating less stable, can't guarantee good treatment effect,, the invention provides a kind of integrated bubble-free aeration microbial film compound film-separation biological reactor for overcoming the above problems.The present invention comprises water inlet pipe 1, intake pump 2, suction pump 7, rising pipe 9, gas blower 12, sludge pump 13, perforation water distributing pipe 14, boring aeration pipe 15, biochemical reactor 16, solid-liquid separation membrane module 17, the first bubble-free aeration biological membrane assembly 18, blast pipe 19 and aeration pipe connecting 20, the solid-liquid separation membrane module 17 and the first bubble-free aeration biological membrane assembly 18 are vertically set on respectively in the biochemical reactor 16, be parallel to each other between the solid-liquid separation membrane module 17 and the first bubble-free aeration biological membrane assembly 18, solid-liquid separation membrane module 17 is connected with rising pipe 9, suction pump 7 is serially connected on the rising pipe 9, perforation water distributing pipe 14 and boring aeration pipe 15 are separately positioned on the downside between the biochemical reactor 16 interior solid-liquid separation membrane modules 17 and the first bubble-free aeration biological membrane assembly 18, perforation water distributing pipe 14 is connected with water inlet pipe 1, intake pump 2 is serially connected on the water inlet pipe 1, one end of aeration pipe connecting 20 is connected with boring aeration pipe 15, one end of blast pipe 19 is connected with the first bubble-free aeration biological membrane assembly 18, the other end of aeration pipe connecting 20 is connected with the exit end of gas blower 12 respectively with the other end of blast pipe 19, and the bottom of biochemical reactor 16 is connected with the inlet of sludge pump 13.
The present invention adopts hollow-fibre membrane to make the bubble-free aeration biofilm system of bio-carrier, the required oxygen of microbial film is supplied with by having hydrophobicity and microporosity hollow-fibre membrane filler, air (or pure oxygen) flows in the tube chamber of hollow-fibre membrane, sewage flows outside pipe, under the promotion of film both sides oxygen partial pressure difference, micropore on intraluminal oxygen-permeable film wall or the membranous wall is the outer biofilm aeration of pipe, greatly improved oxygen transfer efficiency, and can make things convenient for and accurately control aeration rate, and then effectively keep biomembranous good order and condition.Because the bubble-free aeration microbial film has higher biomass, therefore can adopt the bubble-free aeration film as bio-carrier, can under lower MLSS concentration, keep higher biomass in the reactor, both reached normal sludge loading state, reduce the influence that MLSS pollutes film again, formed bubble-free aeration microbial film and membrane sepn compound new membrane bio-reactor mutually.The present invention has the following advantages: one, the present invention mainly is made up of bio-reactor, bubble-free aeration biological membrane assembly and solid-liquid separation membrane module, bubble-free aeration microbial film and active sludge associated treatment sewage, greatly reduce MLSS concentration, effectively alleviate film and pollute.Two, bubble-free aeration microbial film and solid-liquid separation film are alternately placed, and aeration tube and water distributing pipe mix rapidly with air in the time of water inlet between two films, help the thorough mixing of organic pollutant and active sludge.Three, the bubble-free aeration biological membrane assembly is the hydrophobic polypropylene hollow-fibre membrane, gas continues logical people's film inner chamber by end clamping plate, part gas is consumed by microbial film, and remainder gas is collaborative with aeration tube from the clamping plate discharge of the other end to be the active sludge oxygen supply, has improved the utilising efficiency of oxygen.Four, adopt the hydrophobic hollow fiber film can form stable microbial film as bio-carrier, can under the condition that guarantees biomass, reduce MLSS concentration, both reached normal sludge loading state, reduced the influence that MLSS pollutes film again, greatly alleviated the influence of suspended solids, can effectively solve the film pollution problems the solid-liquid separation film.Five, bubble-free aeration biological membrane assembly and solid-liquid separation membrane module are placed in the same biochemical reactor, the oxygen utilization rate height, floor space is little.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention, the Reference numeral 1 among the figure, water inlet pipe; 2, intake pump; 3, liquid meter; 4, fluid level controller; 5, tensimeter; 6, rly.; 7, suction pump; 8, liquid meter; 9, rising pipe; 10,11, gas meter; 12, gas blower; 13 sludge pumps; 14, perforation water distributing pipe; 15, boring aeration pipe; 16, biochemical reactor; 17, solid-liquid separation membrane module; 18, the first bubble-free aeration biological membrane assembly; 19, blast pipe; 20, aeration pipe connecting; 21, the second bubble-free aeration biological membrane assembly.
Embodiment
Embodiment one: (referring to Fig. 1) present embodiment is by water inlet pipe 1, intake pump 2, suction pump 7, rising pipe 9, gas blower 12, sludge pump 13, perforation water distributing pipe 14, boring aeration pipe 15, biochemical reactor 16, solid-liquid separation membrane module 17, the first bubble-free aeration biological membrane assembly 18, blast pipe 19 and aeration pipe connecting 20 are formed, the solid-liquid separation membrane module 17 and the first bubble-free aeration biological membrane assembly 18 are vertically set on biochemical reactor 16 respectively, be parallel to each other between the solid-liquid separation membrane module 17 and the first bubble-free aeration biological membrane assembly 18, solid-liquid separation membrane module 17 is connected with rising pipe 9, suction pump 7 is serially connected on the rising pipe 9, perforation water distributing pipe 14 and boring aeration pipe 15 are separately positioned on the downside between the biochemical reactor 16 interior solid-liquid separation membrane modules 17 and the first bubble-free aeration biological membrane assembly 18, perforation water distributing pipe 14 is connected with water inlet pipe 1, intake pump 2 is serially connected on the water inlet pipe 1, one end of aeration pipe connecting 20 is connected with boring aeration pipe 15, one end of blast pipe 19 is connected with the first bubble-free aeration biological membrane assembly 18, the other end of aeration pipe connecting 20 is connected with the exit end of gas blower 12 respectively with the other end of blast pipe 19, and the bottom of biochemical reactor 16 is connected with the inlet of sludge pump 13.The working method of present embodiment is: sanitary sewage or trade effluent are entered in the biochemical reactor 16 by the perforation water distributing pipe 14 that is located at biochemical reactor 16 bottoms after pre-treatment, fully contact mixing with the active sludge in the reactor, waste water is purified by synergy absorption, the oxygenolysis of microbial film and active sludge, the required oxygen of microbial film is supplied with through the first bubble-free aeration biological membrane assembly, 18 aerations by gas blower 12, and the required oxygen of active sludge is supplied with jointly by the aeration residue tolerance and the boring aeration pipe 15 of the first bubble-free aeration biological membrane assembly 18.Water outlet is extracted out through suction pump 7 by hydrophilic solid-liquid separation membrane module 17.
Embodiment two: the difference of (referring to Fig. 1) present embodiment and embodiment one is, having increased by the second bubble-free aeration biological membrane assembly, 21, the second bubble-free aeration biological membrane assemblies 21 in biochemical reactor 16 again is arranged in the biochemical reactor 16 and with the first bubble-free aeration biological membrane assembly 18 and is symmetrical arranged.Other composition is identical with embodiment one with annexation.
Embodiment three: the upper end of (referring to Fig. 1) present embodiment solid-liquid separation membrane module 17, the first bubble-free aeration biological membrane assembly 18 and the second bubble-free aeration biological membrane assembly 21 is lower than 30～40 centimetres of the biochemical reactor 16 interior waters surface respectively.Other composition is identical with embodiment two with annexation.
Embodiment four: (referring to Fig. 1) present embodiment first bubble-free aeration biological membrane assembly 18 and the second bubble-free aeration biological membrane assembly 21 are the hydrophobic polypropylene hollow-fibre membrane, the external diameter of hydrophobic polypropylene hollow-fibre membrane is 0.8～1mm, and the aperture is 0.1～0.2 μ m.Other composition is identical with embodiment three with annexation.
Claims (4)
1, integrated bubble-free aeration microbial film compound film-separation biological reactor, it comprises water inlet pipe (1), intake pump (2), suction pump (7), rising pipe (9), gas blower (12), sludge pump (13), perforation water distributing pipe (14), boring aeration pipe (15), biochemical reactor (16), solid-liquid separation membrane module (17), the first bubble-free aeration biological membrane assembly (18), blast pipe (19) and aeration pipe connecting (20), it is characterized in that the solid-liquid separation membrane module (17) and the first bubble-free aeration biological membrane assembly (18) are vertically set on respectively in the biochemical reactor (16), be parallel to each other between the solid-liquid separation membrane module (17) and the first bubble-free aeration biological membrane assembly (18), solid-liquid separation membrane module (17) is connected with rising pipe (9), suction pump (7) is serially connected on the rising pipe (9), perforation water distributing pipe (14) and boring aeration pipe (15) are separately positioned on the downside between the interior solid-liquid separation membrane module of biochemical reactor (16) (17) and the first bubble-free aeration biological membrane assembly (18), perforation water distributing pipe (14) is connected with water inlet pipe (1), intake pump (2) is serially connected on the water inlet pipe (1), one end of aeration pipe connecting (20) is connected with boring aeration pipe (15), one end of blast pipe (19) is connected with the first bubble-free aeration biological membrane assembly (18), the other end of aeration pipe connecting (20) is connected with the exit end of gas blower (12) respectively with the other end of blast pipe (19), and the bottom of biochemical reactor (16) is connected with the inlet of sludge pump (13).
2, integrated bubble-free aeration microbial film compound film-separation biological reactor according to claim 1, it is characterized in that it also comprises the second bubble-free aeration biological membrane assembly (21), the second bubble-free aeration biological membrane assembly (21) is arranged in the biochemical reactor (16) and with the first bubble-free aeration biological membrane assembly (18) and is symmetrical arranged.
3, integrated bubble-free aeration microbial film compound film-separation biological reactor according to claim 2 is characterized in that the upper end of solid-liquid separation membrane module (17), the first bubble-free aeration biological membrane assembly (18) and the second bubble-free aeration biological membrane assembly (21) is lower than 30～40 centimetres of the interior waters surface of biochemical reactor (16) respectively.
4, integrated bubble-free aeration microbial film compound film-separation biological reactor according to claim 3, it is characterized in that the first bubble-free aeration biological membrane assembly (18) and the second bubble-free aeration biological membrane assembly (21) are the hydrophobic polypropylene hollow-fibre membrane, the external diameter of hydrophobic polypropylene hollow-fibre membrane is 0.8～1mm, and the aperture is 0.1～0.2 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100717349A CN100457650C (en) | 2007-02-05 | 2007-02-05 | Integrated bubble-free aeration biological composite film film-separation biological reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100717349A CN100457650C (en) | 2007-02-05 | 2007-02-05 | Integrated bubble-free aeration biological composite film film-separation biological reactor |
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| CN101024539A CN101024539A (en) | 2007-08-29 |
| CN100457650C true CN100457650C (en) | 2009-02-04 |
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| CNB2007100717349A Expired - Fee Related CN100457650C (en) | 2007-02-05 | 2007-02-05 | Integrated bubble-free aeration biological composite film film-separation biological reactor |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB0724813D0 (en) * | 2007-12-20 | 2008-01-30 | Questor Technologies Ltd | Improvements relating to water treatment |
| CN101831382A (en) * | 2010-04-09 | 2010-09-15 | 中国科学院广州能源研究所 | Bubble-free air supply and solid-liquid separation integrated membrane biomembrane reactor taking indissoluble gases as fermentation raw materials |
| CN104001421B (en) * | 2014-05-09 | 2016-01-20 | 北京北华清创环境科技有限公司 | A kind of employing pretreated compound bio deodorization process of bubble-free aeration and device |
| CN104003588B (en) * | 2014-06-19 | 2015-07-08 | 江西省恩皓环保有限公司 | MBR film compound system for conducting processing by enabling organisms to be attached to reaction water |
| CN105110551B (en) * | 2015-06-16 | 2018-01-02 | 厦门绿邦膜技术有限公司 | Sewage disposal system and handling process of a kind of high dissolved oxygen aeration with reference to artificial swamp |
| CN105036304B (en) * | 2015-06-16 | 2017-11-24 | 厦门绿邦膜技术有限公司 | A kind of microkinetic integration embrane method regeneration effluent device and handling process |
| CN106115905A (en) * | 2016-08-04 | 2016-11-16 | 同济大学 | The hydrogen-based matter biofilm reactor device of a kind of combination MBR technique and application thereof |
| WO2018146692A1 (en) * | 2017-02-13 | 2018-08-16 | Fluence Water Products And Innovation Ltd | Method and system for treatment of water bodies |
| CN108147527A (en) * | 2017-02-24 | 2018-06-12 | 天津海之凰科技有限公司 | A kind of EHBR black and odorous waters administering method |
| CN108128893A (en) * | 2017-12-25 | 2018-06-08 | 天津膜天膜科技股份有限公司 | A kind of anaerobe reactor |
| CN108439578A (en) * | 2018-04-25 | 2018-08-24 | 天津海之凰科技有限公司 | A kind of combination curtain reinforcing coupled biological membrane reactor（EHBR）Water bodies of rivers and lakes purified in situ apparatus system and method |
| CN110510732B (en) * | 2019-07-31 | 2023-03-21 | 中国航天员科研训练中心 | Composite membrane type biological reaction device |
| CN110759475A (en) * | 2019-08-06 | 2020-02-07 | 山东优益膜材料科技有限公司 | Ceramic membrane oxygen transfer biofilm reactor |
| CN111333205A (en) * | 2020-03-31 | 2020-06-26 | 天津大学 | Aeration method and device for biological sewage treatment |
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| US5254253A (en) * | 1991-11-19 | 1993-10-19 | Zenon Environmental Inc. | Modular shipboard membrane bioreactor system for combined wastewater streams |
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