CN201737765U - Flat membrane element being capable of backflushing - Google Patents
Flat membrane element being capable of backflushing Download PDFInfo
- Publication number
- CN201737765U CN201737765U CN2010202043460U CN201020204346U CN201737765U CN 201737765 U CN201737765 U CN 201737765U CN 2010202043460 U CN2010202043460 U CN 2010202043460U CN 201020204346 U CN201020204346 U CN 201020204346U CN 201737765 U CN201737765 U CN 201737765U
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- type sealing
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- flat sheet
- sheet membrane
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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
Abstract
The utility model relates to a flat membrane element being capable of backflushing, which belongs to the field of flat membrane elements. The utility model is characterized in that the flat membrane elements are stacked together according to the sequence of a first backflushing protection net, a first flat membrane, a first diversion net, a supporting plate, a second diversion net, a second flat membrane and a second backflushing protection net to form the flat membrane element being capable of backflushing; the periphery of the flat membrane element is sealed by U-shaped seal grooves, and the upper side U-shaped seal groove and the lower side U-shaped seal groove of all the U-shaped seal grooves are respectively arranged in a diversion trench, an outlet/inlet and a fixing ring. The utility model has convenient operation and simple structure, realizes the online cleaning and makes a membrane bioreactor continuously run. The utility model is especially suitable for water treatment fields of life, chemical industry, biological engineering, environmental protection and the like.
Description
Technical field
The utility model belongs to membrane separation technique research and development and applied technical field, and specifically, the utility model relates to can be at a kind of novel flat membrane component of water treatment field such as life, chemical industry, biotechnology, environmental protection.
Background technology
Membrane bioreactor (Membrane Bioreactor is MBR) is a kind of high-efficiency sewage treatment technology that membrane separation technique and traditional active sludge water treatment method are efficiently combined.It has substituted the second pond in the traditional sludge technology.Compare with traditional biological sewage treatment technology, have that biochemical efficiency height, stable effluent quality, floor space are little, the blowdown mud cycle long, modular structure make equipment compacter, be easy to characteristics such as control and operational management automatically, have the incomparable clear superiority of many biological treatments, so membrane bioreactor has been widely used in the processing of municipal effluent and trade effluent.
Membrane bioreactor is made of a plurality of membrane elements, membrane support, aerating pipelines, outlet pipeline.The core technology of membrane bioreactor is a flat membrane component.At present, people often adopt flat sheet membrane to be made into flat membrane component as filtering material.
In the prior art, its structure of flat membrane component is generally by flat sheet membrane 11,12, water conservancy diversion net 21,22, and back up pad 3 constitutes, and is superimposed according to order shown in Figure 1, and the stack back forms main body shown among Fig. 8 71.In Fig. 2, the stack left side, back and the right are inserted in respectively in U type groove 41 and 42, stick into one with seal gum, and each interlayer in the U type groove all has the seal gum bonding; The U type groove 43 of top is different with U type groove 41 and 42 with following U type groove 44: for U type groove 44 and U type groove 43, the inwall of U type groove 44 and U type groove 43 is only bonding with adjacent separately flat sheet membrane, in the U type groove between other each layer all less than boning, and the inboard, U word bottom of U type groove 44 and U type groove 43 is left the space of flowing water respectively.On the following U type groove 44 water in-out port 52 is arranged, on the top U type groove 43 water in-out port 51 is arranged, and the space intercommunication of the bottom flowing water of this mouth and U type groove.Junction between each U type groove equally must be airtight.After the membrane bioreactor that uses above-mentioned membrane element to make moves for some time, dull and stereotyped rete and flat sheet membrane outside surface at flat membrane component can adhere to many dirts, produce dirty stifled phenomenon, therefore cause filtration resistance to increase, the membrane bioreactor water production rate is reduced greatly.Above-mentioned flat membrane component can not carry out backwash, and reason is if carry out backwash: be about to water purification and squeeze into flat membrane component from water in-out port, because the pressure effect, dull and stereotyped rete is risen split and destroy flat membrane component.So, a kind of flat membrane component that carries out online backwash can be provided, be open question in the prior art.
Summary of the invention
The purpose of this utility model is to overcome shortcoming in the prior art, and a kind of back-washable flat membrane component is provided.
Of the present utility model it is characterized in that, described back-washable flat membrane component contains flat sheet membrane, water conservancy diversion net, back up pad and U type sealing groove, it is characterized in that, described back-washable flat membrane component contains flat sheet membrane main body and U type sealing groove, wherein:
The flat sheet membrane main body contains: along the length of side direction of the left and right sides; the order first backwash catch net, first flat sheet membrane, the first water conservancy diversion layer, back up pad, the second water conservancy diversion net, second flat sheet membrane and the second backwash catch net that superpose and bond together successively; at above-below direction the first backwash catch net and first flat sheet membrane bonding are only arranged then; second flat sheet membrane and second backwash catch net bonding; the aperture of described backwash catch net is greater than the aperture of described flat sheet membrane
U type sealing groove comprises left side U type sealing groove, right side U type sealing groove, top U type sealing groove and bottom U type sealing groove, wherein:
Left side U type sealing groove and right side U type sealing groove are clamped described flat sheet membrane main body from the length of side direction of the left and right sides of described flat sheet membrane main body respectively,
Top U type sealing groove and bottom U type sealing groove clamps described flat sheet membrane main body from the top and bottom of described flat sheet membrane main body respectively and both are sealing adhesive, between the upper end of and described flat sheet membrane main body inboard, respectively leave a diversion trench between the lower end of and described flat sheet membrane main body inboard in the U word bottom of described bottom U type sealing groove in the U word bottom of described top U type sealing groove, described up and down two diversion trenchs are water in-out port of UNICOM separately
In described four U type sealing grooves, two adjacent U type sealing grooves are that bonding is airtight mutually.
The utility model operation is convenient, simple in structure, has realized on-line cleaning, and membrane bioreactor can be moved continuously.Be specially adapted to water treatment field such as life, chemical industry, biotechnology, environmental protection.
Description of drawings
Fig. 1 is a flat membrane component overlay order synoptic diagram of the prior art.
Fig. 2 is the longitudinal profile synoptic diagram of flat membrane component of the prior art at the water in-out port place.
Fig. 3 is the synoptic diagram after the utility model left and right sides U type sealing groove is set level.
Fig. 4 is the longitudinal section synoptic diagram after the utility model left and right sides U type sealing groove is set level.
Fig. 5 is the synoptic diagram after both sides U type sealing groove is set level about the utility model.
Fig. 6 is the back-washable flat membrane component overlay order synoptic diagram of the utility model.
Fig. 7 is the longitudinal profile synoptic diagram of the back-washable flat membrane component of the utility model at the water in-out port place.
Fig. 8 is a flat membrane component profile synoptic diagram of the prior art.
Fig. 9 is the back-washable flat membrane component profile synoptic diagram of the utility model.
Embodiment
The utility model proposes back-washable flat membrane component and comprise backwash catch net, flat sheet membrane, water conservancy diversion net, back up pad, U type sealing groove, water in-out port and set collar.Described back-washable flat membrane component is according to the first backwash catch net; first flat sheet membrane; the first water conservancy diversion layer; back up pad; the second water conservancy diversion net; second flat sheet membrane; the order stack of the second backwash catch net; seal by U type sealing groove around after the stack; in U type sealing groove, bond: in the U of left and right directions type sealing groove and only limit in the groove each interlayer the seal gum bonding is all arranged; make the U type groove at this place and the first backwash catch net in the groove; first flat sheet membrane; the first water conservancy diversion layer; back up pad; the second water conservancy diversion net; second flat sheet membrane; the second backwash catch net becomes one; the first backwash catch net and first flat sheet membrane bonding is then only arranged in the U of above-below direction type sealing groove; second flat sheet membrane and second backwash catch net bonding, the U type sealing groove of both sides up and down wherein is respectively arranged with diversion trench; water in-out port and set collar.
The flat membrane component that the utility model is back-washable owing to be provided with the backwash catch net, has been strengthened the physical strength of flat membrane component, makes flat membrane component can bear backwash pressure.After flat membrane component produces dirty blocking up, cause the water-yielding capacity amount to reduce greatly.At this moment, can carry out on-line cleaning to flat membrane component, with in the flat sheet membrane of flat membrane component and the dirt that adheres to of flat sheet membrane outside surface be flushed in the outer water of surveying of flat sheet membrane, and wash away, thereby recover the water-yielding capacity of flat membrane component rapidly with aeration.
Present embodiment is indefiniteness embodiment of the present utility model.
Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.
According to order as shown in Figure 7, backwash catch net 61 and 62, flat sheet membrane 11 and 12, water conservancy diversion net 21 and 22, back up pad 3 are superimposed, the stack back forms main body shown among Fig. 9 72.Then, will seal with U type sealing groove 41,42,43,44 around it, as shown in Figure 7.
As shown in Figure 7, in the groove of U type sealing groove 41 and 42 and only limit in the groove each interlayer the seal gum bonding is all arranged, the U type groove at this place and backwash catch net, flat sheet membrane, water conservancy diversion net, the back up pad in the groove are become one. U type groove 41 and 42 shape as shown in Figure 3, its longitudinal section is as shown in Figure 4.
As shown in Figure 7, bonding in the U type sealing groove 43 and 44 and the bonding in above-mentioned U type sealing groove 41 and 42 are different.In U type sealing groove 43 and 44 grooves, only backwash catch net and flat sheet membrane in U type sealing groove inwall and the groove are bonded to one, and non-caked mutually between the flat sheet membrane 11 and 12, water conservancy diversion net 21 and 22, back up pad.Simultaneously, U type sealing groove 43 and 44 be respectively equipped with water in-out port 51 and 52 and set collar 81 and 82.U type sealing groove 43 in diversion trench 91 and water in-out port 51 intercommunications; Diversion trench 92 and water in-out port 52 intercommunications in the U type sealing groove 44.Shape after U type groove 43 and 44 is set level as shown in Figure 5.
Junction between each above-mentioned U type groove must be airtight.
Back-washable flat sheet membrane must be fully immersed in the water in use, and it is such that pipeline connects: water in-out port 51 and 52 is connected together by the road, and corresponding valve is set in position, then, be connected to water pump more by the road.When normally producing water; after starting water pump; because the suction of water pump; water will see through backwash catch net 61 and 62 successively respectively; flat sheet membrane 11 and 12, after water conservancy diversion net 21 and 22 is pooled to diversion trench 91 and 92, again through water in-out port 51 and 52 and corresponding pipeline take away by water pump; be product water, and be discharged into cell therefor or water reservoir.
During backwash, flow direction that can be when adjusting flow direction that respective valves makes water with normal operation is opposite, and should use the comparison clean water, such as the product water during the use ordinary production.Backwash water enters through water in-out port 51 and 52 respectively successively; pass through diversion trench 91 and 92, water conservancy diversion net 21 and 22, flat sheet membrane 11 and 12 more successively; and backwash catch net 61 and 62; backwash catch net 61 and 62, flat sheet membrane 11 and 12 dirts interior and that outside surface adheres to can be flushed in the outer water of surveying like this; and wash away, thereby recover the water-yielding capacity of flat membrane component rapidly with aeration.Like this, when operation, just realized the on-line cleaning of flat membrane component.
Certainly, in practical engineering application be with a plurality of back-washable flat membrane components through corresponding pipeline, valve combination together after, be equipped with again that corresponding water pump and backwash water pump use.
The utility model operation is convenient, simple in structure, has realized on-line cleaning, and membrane bioreactor can be moved continuously.Be specially adapted to water treatment field such as life, chemical industry, biotechnology, environmental protection.
Claims (2)
1. back-washable flat membrane component contains flat sheet membrane, water conservancy diversion net, back up pad and U type sealing groove, it is characterized in that, described back-washable flat membrane component contains flat sheet membrane main body and U type sealing groove, wherein:
The flat sheet membrane main body contains: along the length of side direction of the left and right sides; the order first backwash catch net, first flat sheet membrane, the first water conservancy diversion layer, back up pad, the second water conservancy diversion net, second flat sheet membrane, the second backwash catch net that superpose and bond together successively; at above-below direction the first backwash catch net and first flat sheet membrane bonding are only arranged then; second flat sheet membrane and second backwash catch net bonding; the aperture of described backwash catch net is greater than the aperture of described flat sheet membrane
U type sealing groove comprises left side U type sealing groove, right side U type sealing groove, top U type sealing groove, bottom U type sealing groove, wherein:
Left side U type sealing groove and right side U type sealing groove are clamped described flat sheet membrane main body from the length of side direction of the left and right sides of described flat sheet membrane main body respectively,
Top U type sealing groove and bottom U type sealing groove clamps described flat sheet membrane main body from the top and bottom of described flat sheet membrane main body respectively and both are sealing adhesive, between the upper end of and described flat sheet membrane main body inboard in the U word bottom of described top U type sealing groove, respectively leave one between the lower end of and described flat sheet membrane main body inboard and cross the hydrospace in the U word bottom of described bottom U type sealing groove, diversion trench is gone up with one in turn in the described hydrospace of crossing of upper end, a upper end water in-out port communicates, lower end described cross the hydrospace in turn with a following diversion trench, a lower end water in-out port communicates
In described four U type sealing grooves, two adjacent U type sealing grooves are that bonding is airtight mutually.
2. back-washable flat membrane component according to claim 1 is characterized in that: all respectively there is a set collar in the outside of the U type sealing groove bottom of the U type sealing groove top on described top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202043460U CN201737765U (en) | 2010-05-27 | 2010-05-27 | Flat membrane element being capable of backflushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202043460U CN201737765U (en) | 2010-05-27 | 2010-05-27 | Flat membrane element being capable of backflushing |
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| Publication Number | Publication Date |
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| CN201737765U true CN201737765U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202043460U Expired - Fee Related CN201737765U (en) | 2010-05-27 | 2010-05-27 | Flat membrane element being capable of backflushing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829504A (en) * | 2010-05-27 | 2010-09-15 | 北京科泰兴达高新技术有限公司 | Back-washable flat membrane element |
| CN103263851A (en) * | 2013-05-23 | 2013-08-28 | 南京中医药大学 | Traditional Chinese medicine flavones active component membrane adsorption/desorption device and desorption method |
| CN103263852A (en) * | 2013-05-23 | 2013-08-28 | 南京中医药大学 | Device and method for adsorbing and desorbing alkaline traditional Chinese medicine active protein component film |
| CN104107640A (en) * | 2014-06-19 | 2014-10-22 | 江苏蓝天沛尔膜业有限公司 | Support plate for flat membrane member |
-
2010
- 2010-05-27 CN CN2010202043460U patent/CN201737765U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829504A (en) * | 2010-05-27 | 2010-09-15 | 北京科泰兴达高新技术有限公司 | Back-washable flat membrane element |
| CN101829504B (en) * | 2010-05-27 | 2013-03-13 | 北京科泰兴达高新技术有限公司 | Back-washable flat membrane element |
| CN103263851A (en) * | 2013-05-23 | 2013-08-28 | 南京中医药大学 | Traditional Chinese medicine flavones active component membrane adsorption/desorption device and desorption method |
| CN103263852A (en) * | 2013-05-23 | 2013-08-28 | 南京中医药大学 | Device and method for adsorbing and desorbing alkaline traditional Chinese medicine active protein component film |
| CN103263852B (en) * | 2013-05-23 | 2016-01-27 | 南京中医药大学 | The sorption and desorption device of alkalescence active Chinese drug component proteinaceous components film and desorption method |
| CN103263851B (en) * | 2013-05-23 | 2016-01-27 | 南京中医药大学 | The sorption and desorption device of Chinese medicine flavonoids active component film and desorption method |
| CN104107640A (en) * | 2014-06-19 | 2014-10-22 | 江苏蓝天沛尔膜业有限公司 | Support plate for flat membrane member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20150527 |
|
| EXPY | Termination of patent right or utility model |