CN201529494U - Submerged Flat Panel Membrane Module - Google Patents
Submerged Flat Panel Membrane Module Download PDFInfo
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- CN201529494U CN201529494U CN2009200743282U CN200920074328U CN201529494U CN 201529494 U CN201529494 U CN 201529494U CN 2009200743282 U CN2009200743282 U CN 2009200743282U CN 200920074328 U CN200920074328 U CN 200920074328U CN 201529494 U CN201529494 U CN 201529494U
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- 238000001914 filtration Methods 0.000 claims abstract description 16
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- 230000008878 coupling Effects 0.000 claims abstract description 3
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Images
Classifications
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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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
本实用新型涉及膜生物反应器和流体过滤技术领域，公开了一种淹没式平板膜组件，它包括：多个平板膜片，这些平板膜片的两端由顶端封头和底端封头密封起来，起到对流体过滤分离提纯的作用；顶端封头，它具有一个空腔，把各平板膜片由黏合剂封装在封头内部；底端封头，它具有两个空腔，各平板膜片被分为两组，两个空腔分别把两组平板膜片由黏合剂密封装在封头内部，在两个空腔之间有一个狭缝，用来喷射气体形成鼓泡，造成流体在平板膜片周围的循环流动，提高了对膜片的清洗效果；顶端封头和底端封头四周配有用于与邻近封头耦合的卡扣，易于组成大型系统。
The utility model relates to the technical field of membrane bioreactors and fluid filtration, and discloses a submerged flat membrane module, which comprises: a plurality of flat diaphragms, and the two ends of these flat diaphragms are sealed by a top end cap and a bottom end cap It plays the role of filtering, separating and purifying the fluid; the top end head has a cavity, and the flat diaphragms are encapsulated inside the head by adhesive; the bottom end head has two cavities, and each flat plate The diaphragm is divided into two groups, and the two cavities seal the two groups of flat diaphragms inside the head with adhesive. There is a slit between the two cavities, which is used to inject gas to form bubbling, resulting in The circulation of fluid around the flat diaphragm improves the cleaning effect of the diaphragm; the top and bottom heads are equipped with buckles for coupling with adjacent heads, which is easy to form a large system.
Description
Technical field
The utility model relates to membrane bioreactor and filtering flow technical field, particularly submerged plate film assembly technology.
Background technology
Membrane separation technique is as selecting barrier layer, existing the certain quantity of energy difference as power in the both sides of film with pellicle, allow some component to see through and keep other components in the mixture, each component sees through the mobility difference of film, thereby reaches the technology of separating purpose.
Membrane separation technique occurred in 20 beginnings of the century, emerged rapidly after the sixties in 20th century.Membrane separation technique is owing to have separations, concentrated, purifying and refining function concurrently, efficient, energy-saving and environmental protection are arranged again, molecular level filters and filter process is simple, be easy to feature such as control, therefore, food, medicine, biology, environmental protection, chemical industry, metallurgy, the energy, oil, water treatment, electronics, field such as bionical have been widely used at present, produce huge economic benefit and social benefit, become one of most important means in the current separation science.
Membrane bioreactor (Membrane Bioreactor is called for short " MBR ") is a kind of novel water technology that membrane separation technique combines with activated sludge process that combines.In the MBR system, each pollutant in the sewage is mainly removed by the biological chemistry action of microorganism, but different with the traditional biological treatment process is, membrane module has substituted second pond thoroughly separates muddy water with its efficient centrifugation, this makes that sludge retention time and hydraulic detention time can be separate, the accumulation of special efficacy bacterium in the increase of activated sludge concentration and the activated sludge has improved biochemical reaction rate in the biochemical reaction tank.Microorganism no longer passes through gravitational settling with separating of water, but under the driving of pressure, hydrone and other small-molecule substances of part can see through film, and microorganism and macromolecular substances then tunicle are trapped in the reaction tank, thereby make system obtain good effluent quality.MBR technology has solved outstanding problems such as the ubiquitous effluent quality instability of traditional waste water treatment process, floor space are big, technology controlling and process complexity substantially, it is the water treatment technology that has development potentiality, especially aspect reuse of wastewater, MBR technology can be processed into sanitary sewage, municipal sewage or close with it industrial wastewater the high quality reuse water of purposes such as can be used as city miscellaneous water, industrial circulating cooling water with settling at one go, receive academic widely the concern at present in worldwide just day by day, large-scale engineering is used and is also increased gradually.
According to the position that is provided with of membrane module, membrane bioreactor can be divided into external (or claiming split type, separated type) membrane bioreactor and built-in (or claiming submerged, immersion, integral type, immersion) membrane bioreactor two big classes.
The general multiselect of external membrane bioreactor pillar hollow fiber film assembly or tubular membrane component, membrane module and bioreactor branch are arranged, mixed liquor in the bioreactor is delivered to the filter end of membrane module after the circulating pump supercharging, liquid in the mixed liquor sees through film under pressure, become the system handles water outlet, solid content, macromolecular substances etc. then tunicle are held back, and are back in the bioreactor with concentrate.The characteristics of external membrane bioreactor are stable and reliable operations, be easy to film cleaning, change and set up, and membrane flux is generally bigger, but under the general condition, for reducing the deposition of pollutant on the film surface, prolong the cleaning frequency of film, need provide higher face cross-flow flow velocity with circulating pump, cause the water circulation amount of circulating pump and required lift to increase, power cost increases, the ton water consumption is higher, and the shearing force that the rotation of the high speed of pump produces can make the certain micro-organisms thalline produce deactivation phenomenom.
Built-in membrane bioreactor is selected curtain formula or bundle formula hollow fiber film assembly or plate and frame module mostly for use, membrane module is immersed in below the liquid level of bioreactor, after former water enters membrane bioreactor, activated sludge in the mixed liquid of most of pollutant wherein decomposes or transforms, under the suction function that sucking pump provides or under the effect in water-head by the membrane filtration water outlet, aerating system is arranged on the membrane module below, necessary oxygen is provided on the one hand the microorganism decomposing organic matter, utilize gas to put forward principle on the other hand, make the air water two-phase flow carry out sluicing, suppress the deposition of face sludge blanket with this to film outer surface.Built-in membrane bioreactor has saved the mixed liquor circulatory system than external membrane bioreactor, structure is more compact, floor space is little, and by the suction water outlet, the ton water consumption is relatively low, but the installation of membrane module, maintenance, cleaning are very inconvenient, and it is big to clean labour intensity, cost is higher, and membrane flux is also less relatively.
So-called membrane module be membrane component with certain area with the membrane separator spare that certain form is assembled into, be the elementary cell of in the middle of engineering is used film being installed.That the citation form of membrane component has is flat, tubular type, capillary type and doughnut formula, then mainly containing of being suitable in membrane bioreactor is flat, tubular type and doughnut formula, corresponding membrane module form is plate and frame, pillar, curtain formula or bundle formula, plate and frame module adopts flat element usually, column-type film components adopts tubular type or doughnut formula element usually, and curtain formula or bundle formula membrane module adopt doughnut formula element usually.Because engineering is actual will use the larger area film, the quantity of required membrane module is very big, therefore often need one or several membrane modules are assembled into membrane module unit with certain form, comprising membrane module, collector pipe, fixed support etc., according to the pattern of membrane module, forms such as plate and frame, pillar, curtain formula or bundle formula are arranged also.
Prior art problems is, in the submerged membrane bioreactor, the cleaning performance of membrane module is not good enough, particularly the root of membrane module is difficult for being cleaned, deposition easily, and the continuation that the membrane module root pollutes development and spreading can further aggravate the inhomogeneities of filtering and the forfeiture of effective filtration area, has finally shortened the service life of whole membrane module.
In addition, traditional membrane module size is little, can't use separately, needs metal framework and can the composition system use after fixing, thereby increased the weight of system.
The utility model content
The purpose of this utility model is to provide a kind of submerged plate film assembly, has improved the cleaning performance to dull and stereotyped diaphragm, and is easy to form large scale system.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of submerged plate film assembly, comprising:
A plurality of dull and stereotyped diaphragms, the two ends of these dull and stereotyped diaphragms are sealed by top end socket and bottom end socket, play the effect that the convection cell isolated by filtration is purified, and dull and stereotyped diaphragm can be shaken with bubbling, plays the effect of cleaning plate diaphragm;
The top end socket, it has a cavity, and each dull and stereotyped diaphragm is encapsulated in end socket inside by binder, and this end socket not only plays the effect that film is sealed, and can also the liquid guide flow after filtering be come out;
The bottom end socket, it has two cavitys, each dull and stereotyped diaphragm is divided into two groups, two cavitys are contained in end socket inside to two groups of dull and stereotyped diaphragms by the binder sealing respectively, a slit is arranged between two cavitys, being used for gas jet forms bubbling, causes fluid circulating around dull and stereotyped diaphragm, plays the effect of cleaning plate diaphragm;
Two mozzles are arranged in respectively between two end sockets, and the liquid after filtering is taken out from top end socket and bottom end socket, send into main gatherer;
Is furnished with the buckle that is used for contiguous end socket coupling around top end socket and the bottom end socket.
Embodiment of the present utility model also provides a kind of submerged flat sheet membrane system, comprise N submerged plate film assembly as mentioned, the top end socket buckle of this N plate film assembly is connected combination mutually, and the bottom end socket of this N plate film assembly also is connected combination mutually with buckle; Wherein N is the integer greater than 2.
The utility model embodiment compared with prior art, the main distinction and effect thereof are:
Between two cavitys of bottom end socket slit is arranged one, can transmit bubble and clean diaphragm, the easiest accumulation dirt of root between two groups of diaphragms by transmitting bubble from the slit between two cavitys, has better cleaning effect to the root between diaphragm.
Because the bottom end socket has encapsulated two groups of diaphragms, the bubble of emerging in the slit is constantly collision between two groups of diaphragms in uphill process, and makes the diaphragm shake, and cleaning performance has all been strengthened in collision and shake.
Further, the bottom base of bottom end socket is more roomy than top base, so the cavity volume of bottom base is also bigger, can hold the water after the more filtration.In addition, when connecting a plurality of membrane module end socket with buckle,,, be easy to keep the cleaning of diaphragm so the diaphragm of each end socket can not lean on too closely because bottom base is comparatively roomy.
Further, the length of dull and stereotyped diaphragm is greater than the air line distance between top end socket and the bottom end socket, can make that the flat sheet membrane sheet is easier to be shaken with bubble, thereby reaches better cleaning performance.
Further, top end socket and bottom end socket stagger at vertical direction, dull and stereotyped diaphragm is arranged obliquely, be that dull and stereotyped diaphragm is not to arrange vertically, but certain included angle is arranged with vertical direction, promote bubble in uphill process, repeatedly collision to take place with the dull and stereotyped diaphragm that tilts, bubble and wake flow whirlpool produce bigger instantaneous shearing force at face, effective decelerating membrane pollution speed when improving the aeration flush efficiency, thereby the enhancing stability of a system, prolong the service life of film, reduce the use amount of chemical, reduce the operating cost of membrane bioreactor significantly, promote the extensive use of membrane bioreactor.
Description of drawings
Fig. 1 is the structural representation of submerged plate film assembly in the utility model first embodiment;
Fig. 2 is the bottom end enclosure structure schematic diagram of submerged plate film assembly in the utility model first embodiment;
Fig. 3 be among Fig. 2 the membrane module end socket along A-A directional profile schematic diagram;
Fig. 4 is the case of bending schematic diagram of submerged plate film assembly in the utility model second embodiment;
Fig. 5 is the heeling condition schematic diagram of submerged plate film assembly in the utility model the 3rd embodiment;
Fig. 6 be in the utility model the 4th embodiment the membrane module end socket with the interconnective a kind of connection pattern schematic diagram of buckle;
Fig. 7 is that the membrane module end socket connects the pattern schematic diagram with the interconnective another kind of buckle in the utility model the 4th embodiment.
The specific embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For making the purpose of this utility model, technical scheme and advantage clearer, embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
The utility model first embodiment relates to a kind of submerged plate film assembly, is applied to membrane bioreactor and filtering flow.The structure of this submerged plate film assembly comprises as shown in Figure 1:
A plurality of dull and stereotyped diaphragms (10), the two ends of these dull and stereotyped diaphragms are sealed by top end socket (12) and bottom end socket (11), play the effect that the convection cell isolated by filtration is purified, and dull and stereotyped diaphragm can be shaken with bubbling, plays the effect of cleaning plate diaphragm.
Top end socket (12), it has a cavity, and each dull and stereotyped diaphragm is encapsulated in end socket inside by binder, and this end socket not only plays the effect that film is sealed, and can also the liquid guide flow behind dull and stereotyped membrane filtration be come out.The implementation of water conservancy diversion has multiple, commonly opens one or more pod apertures on top end socket (12), and mozzle (13) is connected with these pod apertures, and the liquid guide flow after filtering is come out.
Top end socket (12) is furnished with buckle all around, is used for being connected with the top end socket of other membrane module, to form the big system that is made of a plurality of membrane modules.The buckle of the buckle of top end socket (12) and bottom end socket (11) is similar, referring to the associated description of bottom end socket (11).
Bottom end socket (11), the basic structure of this end socket as shown in Figure 2, the section of A-A direction is as shown in Figure 3 among Fig. 2.Bottom end socket (11) comprises top base (1) and bottom base (2), wherein
Top base (1) has two cavitys (3 and 4), and each cavity is used for encapsulating one group of diaphragm by binder, in the middle of cavity (3) and the cavity (4) one slit (5) is arranged, and is used to transmit bubble and cleans diaphragm.There is a wireway to be connected to this end socket, by the outside bubbling of slit (5).
The easiest accumulation dirt of root between two groups of diaphragms by transmitting bubble from the slit (5) between two cavitys, has fine cleaning performance to the root between diaphragm.Because an end socket has encapsulated two groups of diaphragms, the bubble of emerging in the slit (5) is constantly collision between two groups of diaphragms in uphill process, and makes the diaphragm shake, and cleaning performance has been strengthened in collision and shake.
Bottom base (2) has a cavity (7), is used to store the liquid behind membrane filtration, and cavity (7) both sides have delivery port to link to each other with mozzle (13), is used for the liquid in the cavity (7) is collected external memory.
There are a plurality of buckles (6) in bottom base (2) outside, is used for being connected with other membrane module end socket, to form big system.In other words, a plurality ofly interconnect with buckle, form an integral body by the membrane module end socket that the utility model proposed.Ways of connecting has multiple, and Fig. 3, Fig. 4 show two kinds of interconnection modes wherein.Need to prove that the concrete pattern of buckle can be diversified, Fig. 1 only shows wherein a kind of, but the utility model is not limited to the buckle of this a kind of pattern.
Top base (1) is narrower than bottom base (2), so the cavity volume of bottom base (2) is also bigger, can hold more water.In addition, when connecting a plurality of membrane module end socket with buckle,,, be easy to keep the cleaning of diaphragm so the diaphragm of each end socket can not lean on too tightly because bottom base (2) is comparatively roomy.
Need to prove, the concrete pattern of the buckle of top end socket (12) and bottom end socket (11) can be diversified, Fig. 2 only shows wherein a kind of, but the utility model is not limited to the buckle of this a kind of pattern, as long as it is just passable end socket to be linked together effectively.
Two mozzles (13) are arranged in respectively between top end socket (12) and the bottom end socket (11), and the liquid after filtering is taken out from top end socket (12) and bottom end socket (11), send into main gatherer.
Preferably, the binder that is used for dull and stereotyped diaphragm (10) is encapsulated into top end socket (12) and bottom end socket (11) comprises silicon rubber, polyurethane and epoxy resin, can certainly use the binder of other type.
Preferably, top end socket (12) and bottom end socket (11) can be made with stainless steel or plastics.
In the present embodiment, the liquid after the filtration is water, and certainly, the technical solution of the utility model does not use the distinctive character of water, therefore also can be applied to the filtration of other liquid outside the water.
The utility model second embodiment relates to a kind of submerged plate film assembly.Second embodiment improves on the basis of first embodiment.
In the present embodiment, the length of each dull and stereotyped diaphragm is greater than the air line distance between top end socket and the bottom end socket.That is to say that each dull and stereotyped diaphragm relaxes down in working order, has some natural bendings, as shown in Figure 4.Can make like this that the flat sheet membrane sheet is easier to be shaken with bubble, thereby reach better cleaning performance.Among Fig. 4,41 is the top end socket, and 42 is bubble, and 43 is dull and stereotyped diaphragm, and 44 is the bottom end socket.
Preferably, the length of dull and stereotyped diaphragm can be 1.05 to 1.2 times of air line distance between top end socket and the bottom end socket.
The utility model the 3rd embodiment relates to a kind of submerged plate film assembly.The 3rd embodiment improves on the basis of second embodiment, and main improvements are:
Top end socket and bottom end socket stagger at vertical direction, and dull and stereotyped diaphragm is arranged obliquely.Be that dull and stereotyped diaphragm is not to arrange vertically, but certain included angle is arranged with vertical direction, as shown in Figure 5, can promote bubble in uphill process, repeatedly collision to take place like this with the dull and stereotyped diaphragm that tilts, bubble and wake flow whirlpool produce bigger instantaneous shearing force at face, effective decelerating membrane pollution speed when improving the aeration flush efficiency, thereby strengthen the service life of the stability of a system, prolongation film, the use amount of minimizing chemical, reduce the operating cost of membrane biological reactor process significantly, promote the extensive use of membrane bioreactor.Among Fig. 5,41 is the top end socket, and 42 is bubble, and 43 is dull and stereotyped diaphragm, and 44 is the bottom end socket.
Preferably, the angle of the line of top end socket and bottom end socket and vertical direction is advisable between 30 degree at 5 degree.
Alleged " vertical direction " is exactly gravitational direction in each embodiment of the utility model.
The utility model the 4th embodiment relates to a kind of submerged flat sheet membrane system.This submerged flat sheet membrane system comprises a plurality of submerged plate film assemblies, and the top end socket buckle of these membrane modules is connected combination mutually, and the bottom end socket of these membrane modules also is connected combination mutually with buckle.The description of these membrane modules is referring to each embodiment that relates to the submerged plate film assembly in the utility model.
The mutual mode that is connected has multiple, and Fig. 6 and Fig. 7 show two examples that the bottom end socket is connected mutually, and the top end socket also adopts the mode identical with the bottom end socket to be connected mutually.Among Fig. 6,61 is buckle.Among Fig. 7,71 is buckle.
Though by reference some preferred implementation of the present utility model, the utility model is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200743282U CN201529494U (en) | 2009-07-27 | 2009-07-27 | Submerged Flat Panel Membrane Module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200743282U CN201529494U (en) | 2009-07-27 | 2009-07-27 | Submerged Flat Panel Membrane Module |
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| CN201529494U true CN201529494U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200743282U Expired - Fee Related CN201529494U (en) | 2009-07-27 | 2009-07-27 | Submerged Flat Panel Membrane Module |
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| CN (1) | CN201529494U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399373A (en) * | 2014-10-16 | 2015-03-11 | 上海禹澄环境科技有限公司 | Multi-channel double-layer type flat membrane combined apparatus |
| CN104722210A (en) * | 2015-03-23 | 2015-06-24 | 深圳中清环境科技有限公司 | Packaging module for slab inorganic membranes |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
| CN107088352A (en) * | 2017-05-27 | 2017-08-25 | 华北电力大学 | A kind of device that vapor in coal steam-electric plant smoke is reclaimed based on composite membrane |
-
2009
- 2009-07-27 CN CN2009200743282U patent/CN201529494U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399373A (en) * | 2014-10-16 | 2015-03-11 | 上海禹澄环境科技有限公司 | Multi-channel double-layer type flat membrane combined apparatus |
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US9956530B2 (en) | 2014-10-22 | 2018-05-01 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US10702831B2 (en) | 2014-10-22 | 2020-07-07 | Koch Separation Solutions, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| CN104722210A (en) * | 2015-03-23 | 2015-06-24 | 深圳中清环境科技有限公司 | Packaging module for slab inorganic membranes |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
| CN107088352A (en) * | 2017-05-27 | 2017-08-25 | 华北电力大学 | A kind of device that vapor in coal steam-electric plant smoke is reclaimed based on composite membrane |
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