CN201762213U - Membrane bioreactor - Google Patents
Membrane bioreactor Download PDFInfo
- Publication number
- CN201762213U CN201762213U CN2010202732586U CN201020273258U CN201762213U CN 201762213 U CN201762213 U CN 201762213U CN 2010202732586 U CN2010202732586 U CN 2010202732586U CN 201020273258 U CN201020273258 U CN 201020273258U CN 201762213 U CN201762213 U CN 201762213U
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- Prior art keywords
- membrane
- rotating shaft
- rotating disk
- membrane bioreactor
- bioreactor
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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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- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an improvement to a membrane bioreactor used for processing waste water. The membrane bioreactor is characterized in that each flat sheet microporous membrane module is respectively arranged on the disc surface of a transversely arranged rotary disc; each rotating disc is connected with a hollow rotating shaft in series; the water outlet of each flat sheet microfiltration membrane module on each rotary disc is communicated with the hollow rotating shaft; a movable check valve is respectively arranged on the water outlets; a negative pressure source is rotationally connected with the body or the end part of the hollow rotating shaft; and the depth of a bioreactor tank is smaller than the diameter of the rotary discs. During the rotating process of the rotary discs, the membrane surface rotates into and out of a liquid surface periodically, tensile force is produced when the membrane surface rotates out of the liquid surface, and shearing force is produced when the membrane surface rotates into the liquid surface, therefore friction force is produced by the relative movement between the membrane surface and the liquid surface, sticking pollutant is effectively prevented from staying and blocking the membrane surface, the pollution to the membrane surface is obviously reduced, the membrane permeate flux is maintained to be high, and the frequent cleaning operation is greatly eliminated.
Description
Technical field
Utility model be to sewage disposal with the improvement of membrane bioreactor, it is effective to relate in particular to a kind of self-stip, the membrane bioreactor that film surface pollution is light.
Background technology
Existing integrated film bio-reactor mostly is the immersion structure, the separation microporous membrane (flat sheet membrane or hollow tubular membrane) of holding back biofiltration waste water fixedly static state is arranged in the biological reaction tank, the membrane module bottom is provided with aerating apparatus, for example Chinese patent CN2308595 membrane bioreactor.The submerged membrane bio-reactor because filtering micropore film long period of soaking is in disposing of sewage, and is stationary state, thereby film surface adhering contaminant very easily, cause membrane flux to reduce, cause the cleaning frequency height, clean difficulty, this has become the significant obstacle that membrane bioreactor is applied.
People keep high effluent flux for solving membrane pollution problem, take the dynamic rotating manner of film, rotate in treatment liq by film, make face and liquid friction, pollute to reduce the film surface adhesion, keep membrane flux.For example:
Chinese patent CN1509994 rotary brush type membrane bioreactor surrounds the annular collar structure by hollow fiber film assembly, and built-in band hairbrush changes brush, is rotated in the film surface friction by rotating brush.
Chinese patent CN1762555 revolve type film separator is provided with upper and lower two carousel frame on the hollow rotation axis, side face is fixed with a plurality of external pressure hollow-fibre membrane devices between two carousel frame, and rotating disk rotates in treatment liq during use.
Chinese patent CN1772354 turntable type membrane separator.Each rotating disk upper and lower faces is provided with flat sheet membrane, and footpath, broadwise are provided with the water conservancy diversion groove and the groove that catchments on the upper and lower surface of rotating disk, and the groove that catchments is connected with the hollow rotation axis, is immersed in rotation work in the biological reaction tank.
Though above-mentionedly in treatment liq, rotate,, dirt be difficult at the film surface deposition by face and treatment liq friction by film, and rotation is flowed liquid circulation, form shearing force on the film surface and prevent pollutant sediment,, keep membrane flux to reduce the film surface contamination.Yet above-mentioned membrane bioreactor, still be the immersion structure, because film all is immersed in the liquid, rotate though exist, but objectively being immersed in the liquid middle and slow speed of revolution entirely rotates, because of no two-phase interface and liquid shear, frictional force are very little, cause actual face cleaning performance limited, being difficult to reach does not have the actual effect of adhesion; Secondly, used microporous membrane is tubular membrane substantially, and its structure is not suitable for board-like film.
Chinese patent CN201125190 ratary disk type membrane bioreactor, by the inorganic ceramic material membranous disc of hollow rotating shaft and fixing alternate setting arranged side by side, and rotating disk groove bio-reactor is formed (similar blodisc).Yet, adopt hollow inorganic ceramic membrane disc to make filter disc, manufacturing cost is higher, and is difficult to maximize; Secondly, capillary ceramic plate, for keeping sufficient intensity, filtering surface is thicker relatively, causes the filtration draw resistance big, the operation energy consumption height.
Above-mentioned deficiency still has is worth improved place.
The utility model content
The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, provides a kind of simple in structure, and self-stip is effective, the membrane bioreactor that film surface pollution is light.
The utility model purpose realizes that main the improvement is that flat plate porous film is arranged on the vertical dial sheet, periodically changes and produce liquid level over to by rotating disk, alleviates film surface pollution with the friction of processing liquid level, has overcome the prior art deficiency, realizes the utility model purpose.Specifically, the utility model membrane bioreactor, comprise many side by side flat plate microporous membrane modules of group and biological reaction tank, it is characterized in that each flat plate microporous membrane module is arranged at horizontal rotary turnplate sheet card respectively, the rotating shaft of each rotating disk sheet of connecting is a hollow rotating shaft, each plate film assembly water outlet is communicated with hollow rotating shaft on each rotating disk sheet, and movable check valve is arranged on it, and there is the negative pressure source that is rotationally connected on the hollow rotating shaft or end; The biological respinse groove depth is less than rotating rotating disk sheet diameter.
Utility model is said:
Horizontal rotary turnplate refers to common water treatment blodisc structure, and turntable surface is basically perpendicular to liquid level, periodically changes/produce liquid level over to.The rotating disk profile, same prior art can be circular, can be Polygons also, is not particularly limited.The rotating disk size is looked treatment capacity and is determined.
Each micropore plate film assembly is arranged at the rotating disk card, and its shape is not limit, and can be multiple geometrical shape, wherein a kind ofly is preferably fan-shaped, can be easy on rotating disk uniform distribution.
The negative pressure source that on the hollow rotating shaft or end is rotationally connected is similar to common membrane bioreactor, and main effect provides filters drainage power, and for example negative pressure-pumping makes treatment liq draw by membrane filtration.Because of rotating shaft is rotating state, so draw and connect negative pressure source and rotating shaft and be and rotate hermetic seal and be connected, the negative pressure source of pumping liquid, both can be rotationally connected with roller end (one or two ends), also can be to be rotationally connected on one's body in rotating shaft, utility model better adopts the latter, is rotationally connected to be arranged on roller end, can simplify the mode of being tightly connected.The rotation hermetic seal connects, and is prior art, does not just add to describe at this, and the technician can understand.
Movable check valve on membrane module water outlet and the hollow rotating shaft connected entrance, its major function are to guarantee that the membrane module and the negative pressure source that produce liquid level cut off, and avoid membrane module dehydration gas leakage to influence the negative pressure suction and filter.Movable check valve, a kind of the most simply is to adopt the movable balls shutoff, for example when certain membrane module changed the water surface over to, unidirectional movable balls then fell to breaking away from the shutoff mouth automatically according to gravity, forms conducting; Produce the water surface at certain membrane module and then fall the shutoff connected entrance automatically after rise, cut off negative pressure source and membrane module conducting according to gravity.
But, adopt end rotation connection structure design because of this understands, make and produce liquid level part plate film assembly and also can not use with the negative pressure source conducting, can the simple check valve of alternative structure, this belongs to this patent design technical scheme, just structure relative complex equally.
The biological respinse groove depth is less than rotating rotating disk sheet diameter, mainly produce rubbing angle with liquid level moving and consider walking around from helping plate film assembly, make a rotating disk part for example 1/3 expose the processing liquid level, when liquid level is produced on the membrane module plane like this, its face and liquid level produce " draw and draw together " effect and remove the face pickup, when face changes liquid level over to, face and liquid level produce the incision shearing force and remove the face pickup, thereby change liquid level over to and produce effectively friction of liquid level generation by face, remove film surface pickup, prevent the face pickup thereby reach, keep high membrane flux.
The biological respinse trench bottom can be provided with aerating apparatus with prior art, micro-hole aerator for example, boring aeration pipe etc.Wherein a kind of better is to be provided with control valve thereon, by control aeration rate, perhaps On/Off aeration,, anaerobism water technology requirement aerobic to adapt to.
In addition, a kind ofly better can also fixedly hairbrush be set, increase scrubbing face on each rotating disk sheet two sides.
The utility model membrane bioreactor, with respect to prior art, because with the submerged flat membrane assembly, change into and be arranged on the rotating disk disc surface that part is exposed liquid level, form and rotate similar blodisc formula membrane bioreactor, face periodically produces liquid level and changes liquid level in the disc rotary course, produce liquid level and produce pulling force at face, change liquid level over to and produce shearing force at face, produce frictional force with the liquid level relative movement thus, prevented that effectively the face pickup from accumulating obstruction, significantly alleviated film surface pollution, not only keep high membrane flux, and significantly reduced frequent cleaning.In addition, regulate aeration or aeration not, or the aeration rate size, can make membrane bioreactor be operated in aerobic, hold concurrently oxygen and anaerobic state respectively, form aerobic membrane bioreactor respectively, facultative aerobic membrane bioreactor and anaerobic membrane bioreactor, Technological adaptability is strong.
Below in conjunction with an exemplary embodiment; utility model essence is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technician; the unsubstantiality that does not depart from the utility model design increases and/or change; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.
Description of drawings
Fig. 1 is a utility model rotary disk type membrane bioreactor structural representation.
Fig. 2 is Fig. 1 cross section structure synoptic diagram.
Embodiment
Embodiment: referring to accompanying drawing, the utility model rotary disk type membrane bioreactor, comprise coaxial alternate a plurality of vertical plane rotating disk disk frames 1 side by side, the hollow axle 3 of each rotating disk frame of break-through, be about the rotating disk groove 4 of rotating disk 1/2 with supporting turntable, the degree of depth, the rotating disk trench bottom has boring aeration pipe 5, and controlled valve is arranged on it.Each rotating disk frame is divided into a plurality of fan-shaped dead zones, be fixed with flat plate microporous membrane module 2 in each dead zone respectively, each rotating disk frame thickness interposition of hollow axle is equipped with the through hole that is communicated with each fan section, be communicated with flat plate microporous membrane module water port, the check valve that has movable balls to constitute in it, hollow axle one end is by being rotatably connected to the negative pressure source (not shown).
Dispose of sewage in the rotating disk groove, form aerobe by aeration and handle, play biological degradation, the while dial rotation, each plate film assembly has filteration again concurrently on the rotating disk, disposes of sewage by the suction of external negative pressure source, by micro-pore-film filtration, water outlet compiles discharge through being communicated with quill shaft.In rotation process, produce the liquid level flat sheet membrane, seal this membrane module water outlet by non-return valve, keep the negative pressure suction.Speed of rotation is adjustable as required.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example rotating disk is a polygonized structure, and plate film assembly alteration of form, check valve adopt other forms; negative pressure source is rotatably connected in the rotating shaft; or the like unsubstantiality change, can be employed equally, can both realize this patent representation function and effect; launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (6)
1. membrane bioreactor, comprise many side by side flat plate microporous membrane modules of group and biological reaction tank, it is characterized in that each flat plate microporous membrane module is arranged at horizontal rotary turnplate sheet card respectively, the rotating shaft of each rotating disk sheet of connecting is a hollow rotating shaft, each plate film assembly water outlet is communicated with hollow rotating shaft on each rotating disk sheet, movable check valve is arranged on it, and there is the negative pressure source that is rotationally connected on the hollow rotating shaft or end; The biological respinse groove depth is less than rotating rotating disk sheet diameter.
2. according to the described membrane bioreactor of claim 1, it is characterized in that each plate film assembly is the fan-shaped rotating disk sheet surface that is distributed in.
3. according to the described membrane bioreactor of claim 1, it is characterized in that movable check valve is a movable balls.
4. according to the described membrane bioreactor of claim 1, it is characterized in that each rotating disk sheet two sides is provided with fixedly hairbrush.
5. according to the described membrane bioreactor of claim 1, it is characterized in that negative pressure source is rotationally connected with roller end.
6. according to claim 1,2,3,4 or 5 described membrane bioreactors, it is characterized in that aerating apparatus is arranged in the biological reaction tank, controlled valve is arranged on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202732586U CN201762213U (en) | 2010-07-27 | 2010-07-27 | Membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202732586U CN201762213U (en) | 2010-07-27 | 2010-07-27 | Membrane bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201762213U true CN201762213U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202732586U Expired - Fee Related CN201762213U (en) | 2010-07-27 | 2010-07-27 | Membrane bioreactor |
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| CN (1) | CN201762213U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773790A (en) * | 2015-03-24 | 2015-07-15 | 谢洁萍 | Rotary membrane sewage filtration device |
| CN104817163A (en) * | 2015-05-13 | 2015-08-05 | 南京元凯生物能源环保工程有限公司 | Biological disk plate and biological disk plate reactor composed of same |
| CN106698648A (en) * | 2017-01-05 | 2017-05-24 | 江苏大学 | Rotary type microfiltration membrane reactor based on magnetic biochar |
| CN108722095A (en) * | 2018-08-13 | 2018-11-02 | 武汉工程大学 | A kind of heterogeneous separation device with tubular type fractal structure |
| CN108722026A (en) * | 2018-08-13 | 2018-11-02 | 武汉工程大学 | A kind of heterogeneous separation device with sieve-board type fractal structure |
| CN110577326A (en) * | 2019-08-19 | 2019-12-17 | 江苏江华水处理设备有限公司 | But regeneration utilizes industrial waste water's MBR processing apparatus |
| CN110877925A (en) * | 2019-12-24 | 2020-03-13 | 贵州工业职业技术学院 | Biological rotating disc sewage purification device and use method thereof |
| CN111855333A (en) * | 2019-04-24 | 2020-10-30 | 青岛北大新世纪言鼎生物医学科技有限公司 | Integrated reaction device and method for absorbing, printing, enriching and absorbing, printing and dyeing nucleated cells in body fluid |
-
2010
- 2010-07-27 CN CN2010202732586U patent/CN201762213U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773790A (en) * | 2015-03-24 | 2015-07-15 | 谢洁萍 | Rotary membrane sewage filtration device |
| CN104817163A (en) * | 2015-05-13 | 2015-08-05 | 南京元凯生物能源环保工程有限公司 | Biological disk plate and biological disk plate reactor composed of same |
| CN104817163B (en) * | 2015-05-13 | 2017-06-06 | 南京工大元凯生物能源环保科技有限公司 | The bio-disc reactor of bio-disc and its composition |
| CN106698648A (en) * | 2017-01-05 | 2017-05-24 | 江苏大学 | Rotary type microfiltration membrane reactor based on magnetic biochar |
| CN108722095A (en) * | 2018-08-13 | 2018-11-02 | 武汉工程大学 | A kind of heterogeneous separation device with tubular type fractal structure |
| CN108722026A (en) * | 2018-08-13 | 2018-11-02 | 武汉工程大学 | A kind of heterogeneous separation device with sieve-board type fractal structure |
| CN111855333A (en) * | 2019-04-24 | 2020-10-30 | 青岛北大新世纪言鼎生物医学科技有限公司 | Integrated reaction device and method for absorbing, printing, enriching and absorbing, printing and dyeing nucleated cells in body fluid |
| CN111855333B (en) * | 2019-04-24 | 2023-10-03 | 青岛言鼎生物医疗科技有限公司 | Device and method for integrating enrichment and dye-printing absorption and dyeing of nucleated cells in body fluid |
| CN110577326A (en) * | 2019-08-19 | 2019-12-17 | 江苏江华水处理设备有限公司 | But regeneration utilizes industrial waste water's MBR processing apparatus |
| CN110577326B (en) * | 2019-08-19 | 2021-11-12 | 江苏江华水处理设备有限公司 | But regeneration utilizes industrial waste water's MBR processing apparatus |
| CN110877925A (en) * | 2019-12-24 | 2020-03-13 | 贵州工业职业技术学院 | Biological rotating disc sewage purification device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU NEW PURE RIVER ENVIRONMENTAL PROTECTION EN Free format text: FORMER OWNER: JIANGSU CHUNJIANG ENVIRONMENTAL TECHNOLOGY CO., LTD. Effective date: 20150217 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214215 WUXI, JIANGSU PROVINCE TO: 214211 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150217 Address after: 214211 industrial concentration area of Yixing town and Jiangsu City Patentee after: Jiangsu new pure river environmental protection engineering Co., Ltd. Address before: Zone 214215 in Jiangsu province Yixing city and Town Industrial (Village) Patentee before: Jiangsu Chunjiang Environmental Protection Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20170727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |