CN104107636A - High-efficiency flat membrane filtering unit - Google Patents
High-efficiency flat membrane filtering unit Download PDFInfo
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- CN104107636A CN104107636A CN201410344723.3A CN201410344723A CN104107636A CN 104107636 A CN104107636 A CN 104107636A CN 201410344723 A CN201410344723 A CN 201410344723A CN 104107636 A CN104107636 A CN 104107636A
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- gripper shoe
- membrane filter
- filter unit
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- supporting plate
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Abstract
The invention discloses a high-efficiency flat membrane filtering unit which comprises a supporting plate (100), two flow guide meshes (200) and two filtering membranes (300), and is characterized in that the supporting plate is formed by one-time injection molding; the thickness of a surrounding rim (101) is obviously greater than that of the inner part (102) of the supporting plate; the inner part (102) of the supporting plate adopts a meshed structure; meanwhile, a plurality of uniformly distributed protruded welding surfaces (110) are arranged on the meshed structure of the inner part (102) of the supporting plate; at least one water production pipe (120) is arranged on the side surface of the supporting plate (100); the two flow guide meshes (200) are embedded into two sides of the supporting plate (100); the two filtering membranes (300) are respectively positioned on the outer sides of the flow guide meshes and are welded or stuck to the surrounding rim (101) of the supporting plate and the welding surfaces (110) in the supporting plate. The cost of manufacturing materials of the high-efficiency flat membrane filtering unit is obviously lowered, and water can be successfully produced; the backwashing or chemical washing efficiency is higher; the running cost of a membrane filtering system is lower.
Description
Technical field
The present invention relates to membrane filtration technique field and technical field of sewage, particularly a kind of plate and frame membrane filter unit, this unit is generally applicable to membrane filtration field, is specially adapted to membrane bioreactor (MBR) technique.
Technical background
For the film product of liquid filtering, can be divided into flat, tubular type, capillary type and doughnut formula.Wherein capillary type and doughnut formula are often obscured, and the film that external diameter is less than to 0.5mm at this is called hollow-fibre membrane and by external diameter, is 0.6-4mm film is called capillary-pipe film.Except hollow-fibre membrane, the film of other several forms all can be for a kind of sewage treatment process that is called membrane bioreactor (MBR, Membrane Bio-Reactor).Because capillary-pipe film cost is minimum, apply also more extensive.Yet due to the solid pollutant existing in sewage, particularly fiber substance (as hair and paper scrap) is easily assembled and is wrapped between capillary-pipe film, cleaning difficulty, is restricted the application of capillary-pipe film MBR technology because capillary-pipe film exists splintering problem again.Substantially there is not Filament-wound Machine and film rupture problem in flat sheet membrane MBR, therefore with respect to capillary-pipe film, has obvious technical advantage in this respect.
Known technology flat sheet membranes filter element is bonding or be welded in a gripper shoe and obtain respectively by the surrounding of two filter membranes, and gripper shoe is provided with water producing pipe.In order to increase, produce the circulation of water in flat sheet membrane filter element, known technology is also provided with flow-guiding cloth between film and gripper shoe.
Consider and produce the diameter at the mouth of a river and the intensity of gripper shoe, the thickness of known technology flat sheet membranes filter element gripper shoe is 7-8mm, is the major part of classic flat-plate membrane filter unit cost; Because soldering frame Intimal area is excessive, kickback pressure can make classic flat-plate membrane filter unit weld be split up, so flat sheet membrane filter element can not recoil; When chemical drugs is washed, by water producing pipe normal pressure, flow into classic flat-plate membrane filter unit, owing to can not oppositely pressurizeing, again owing to only there being a dosing mouth, and be positioned at classic flat-plate membrane filter unit top, passage between film and gripper shoe is narrow simultaneously, and chemicals is difficult to arrive the far-end that produces the mouth of a river, so the chemical drugs of flat sheet membrane filter element is often washed not thorough.
In order to solve the technical problem of above classic flat-plate membrane filter unit, the flat sheet membrane filter element that Chinese patent < < plate and frame module > > (patent No. 201220680939.3) discloses is comprised of a carriage, at least one flow-guiding screen and two filter membranes, and filter membrane is bonding or be welded on the both sides of carriage.Owing to having used thinner carriage, this kind of flat sheet membrane filter element produces the mouth of a river and is located on filtration face; This membrane filter unit cannot be used by independent plug-in mounting as conventional film filter element; Also because intensity is lower, this unit must could be used through pre-assembled one-tenth filter assemblies in addition, thereby lacks interchangeability with existing flat sheet membrane filter element.
Chinese patent < < immersion type thin plate and frame film filter > > (patent No. 200610139667.5) has disclosed a flat board, two conducting portions, two filter membranes, four support bars, a plurality of finishing strips and water outlet plates has been combined into " thin plate and frame filter membrane sheet ".Patent specification does not clearly disclose these component combinations method together, but no matter bonding, welding or bolt connect, and guarantee that the intensity of the membrane filter unit that these tens component combinations form and sealing are by extremely difficult.
Summary of the invention
It is high that the present invention will solve classic flat-plate membrane filter unit cost, can not recoil and Chemical cleaning technical problem not thoroughly, discloses a kind of high-efficient flat-plate membrane filter unit.
In order to solve the technical problem of above-mentioned plate film assembly, high-efficient flat-plate membrane filter unit comprises a gripper shoe, two flow-guiding screens and two filter membranes.It is characterized in that described gripper shoe is once injection molded, its surrounding seal ring thickness is significantly greater than described gripper shoe inner thickness, gripper shoe inside is fenestral fabric, gripper shoe inner mesh assembling structure is provided with the solder side of a plurality of equally distributed protrusions simultaneously, and solder side place thickness is less than or equal to gripper shoe surrounding seal ring thickness; Gripper shoe side is provided with at least one water producing pipe, and the water that this water producing pipe can filter described two films (300) is drawn this membrane filter unit; Described two flow-guiding screen appearance and sizes and described gripper shoe are quite inner, have a plurality of inlaid holes that agree with mutually with the structural solder side of gripper shoe inner mesh on flow-guiding screen, and flow-guiding screen is embedded in the both sides of gripper shoe; Described two filter membranes lay respectively at flow-guiding screen outside, and with gripper shoe surrounding frame and gripper shoe in solder side welding or bonding.
The beneficial effect of high-efficient flat-plate membrane filter unit shows: due to the inner significantly attenuate of gripper shoe is alleviated, reduced the material cost of high-efficient flat-plate membrane filter unit, provide enough space to use thicker flow-guiding screen simultaneously, make the product current of film logical more smooth, the efficiency of backwash or Chemical cleaning is higher; Owing to being provided with a plurality of solders side in gripper shoe face inside, make high-efficient flat-plate membrane filter unit obtain back-washable function, mechanical strength has also obtained raising; Described gripper shoe surrounding frame and described gripper shoe inside are integrated, and mechanical strength is higher; Film and the frame welding of gripper shoe surrounding or adhesive strength and sealing are reliable.High-efficient flat-plate membrane filter unit is provided with two water producing pipes and is beneficial to Chemical cleaning effect.
The vertical parallel combination of a plurality of high-efficient flat-plate membrane filter units obtains film filter, and the water producing pipe of each membrane filter unit is connected by flexible pipe with the product jellyfish pipe that is positioned at film filter side, and film filter is positioned at an aeration casing top.Because high performance membrane filter element water producing pipe is located at the side of membrane filter unit, the product jellyfish pipe of film filter is also located at the side of film filter, this can directly place another film filter above film filter, by that analogy, by a plurality of film filter component film of vertical stack filtration system.The gas explosion amount that this film membrane filtration system elementary membrane area needs can obviously lower.
Accompanying drawing explanation
Fig. 1 is the front view of high-efficient flat-plate membrane filter unit gripper shoe of the present invention;
Fig. 2 is the AA planing surface figure of high-efficient flat-plate membrane filter unit gripper shoe of the present invention;
Fig. 3 is the perspective view of high-efficient flat-plate membrane filter unit of the present invention.
100. gripper shoes in Fig. 1, Fig. 2 and Fig. 3,101. gripper shoe surrounding frames, 102 gripper shoes are inner, 103 gripper shoe surrounding frame solders side, 110. solders side, 120. produce the mouth of a river, 200. flow-guiding screens, 210. inlaid holes, 300. filter membranes
The specific embodiment
Referring to Fig. 1-3.High-efficient flat-plate membrane filter unit comprises a gripper shoe (100), two flow-guiding screens (200) and two filter membranes (300).It is characterized in that described gripper shoe is once injection molded, its surrounding frame (101) thickness is significantly greater than inner (102) thickness of described gripper shoe, gripper shoe inner (102) is fenestral fabric, inner (102) structure of gripper shoe is provided with the solder side (110) of a plurality of equally distributed protrusions simultaneously, and solder side (110) is located thickness and is less than or equal to gripper shoe surrounding frame (101) thickness; Gripper shoe (100) side is provided with the water producing pipe (120) of at least one, and the water that this water producing pipe can filter described two films (300) is drawn this membrane filter unit; Described flow-guiding screen (200) appearance and size and described gripper shoe inner (102) are suitable, the inlaid hole (210) that has the solder side (110) in a plurality of and inner (102) network to agree with mutually on flow-guiding screen (200), flow-guiding screen (200) is embedded in the both sides of gripper shoe (100); Described two filter membranes (300) lay respectively at flow-guiding screen outside, and weld or bonding with the solder side (110) in gripper shoe surrounding frame (101) and gripper shoe.
Inner (102) thickness of described gripper shoe is 2-4mm, this thickness during lower than 2mm high-efficient flat-plate membrane filter unit intensity too low, high cost during higher than 4mm.
Described gripper shoe surrounding frame (101) thickness is 6-10mm, this thickness during lower than 6mm high-efficient flat-plate membrane filter unit intensity too low, high cost during higher than 10mm, the packed density of film is too low.
Described solder side (110) can be any geometry, take circle as good, area 100-500 square millimeter.This area during lower than 100 square millimeters easily when recoil by spreading, during higher than 500 square millimeters, sacrifice too much effective film area.
The thickness of described two flow-guiding screens (200) is 0.8-2.5mm.This thickness has in fact supplemented the poor of gripper shoe surrounding frame (101) thickness and inner (102) thickness of gripper shoe, the inner support that makes to weld caudacoria is comparatively smooth, and the gap between flow-guiding screen (200) itself and flow-guiding screen and gripper shoe inner (102) provides sufficient passage for membrane filter unit water flow inside.
Distance between between described solder side (101) edge or solder side (101) edge and gripper shoe surrounding frame (101) welding edge is between 20-250mm.When this distance is less than 20mm, in elementary membrane area, need too much pad, the effective area of film is reduced, manufacturing cost improves, and when this distance is greater than 250mm, high-efficient flat-plate membrane filter unit can not bear effective backwash pressure.
Claims (6)
1. high-efficient flat-plate membrane filter unit comprises a gripper shoe (100), two flow-guiding screens (200) and two filter membranes (300).It is characterized in that described gripper shoe is once injection molded, its surrounding frame (101) thickness is significantly greater than inner (102) thickness of described gripper shoe, gripper shoe inner (102) is fenestral fabric, inner (102) fenestral fabric of gripper shoe is provided with the solder side (110) of a plurality of equally distributed protrusions simultaneously, and solder side (110) is located thickness and is less than or equal to gripper shoe surrounding frame (101) thickness; Gripper shoe (100) side is provided with the water producing pipe (120) of at least one, and the water that this water producing pipe can filter described two films (300) is drawn this membrane filter unit; Described two flow-guiding screen (200) appearance and sizes and described gripper shoe inner (102) are suitable, the inlaid hole (210) that has the solder side (110) in a plurality of and inner (102) network to agree with mutually on flow-guiding screen (200), flow-guiding screen (200) is embedded in the both sides of gripper shoe (100); Described two filter membranes (300) lay respectively at flow-guiding screen outside, and weld or bonding with the solder side (110) in gripper shoe surrounding frame (101) and gripper shoe.
2. high-efficient flat-plate membrane filter unit according to claim 1, is characterized in that inner (102) thickness of described gripper shoe is 2-4mm.
3. high-efficient flat-plate membrane filter unit according to claim 1, is characterized in that described gripper shoe surrounding frame (101) thickness is 6-10mm.
4. high-efficient flat-plate membrane filter unit according to claim 1, is characterized in that described solder side (110) can be any geometry, take circle as good, area 100-500 square millimeter.
5. high-efficient flat-plate membrane filter unit according to claim 1, the thickness that it is characterized in that described two flow-guiding screens (200) is 0.8-2.5mm.
6. high-efficient flat-plate membrane filter unit according to claim 1, it is characterized in that between described solder side (101) edge or solder side (101) edge and gripper shoe surrounding frame (101) welding edge between distance between 20-250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344723.3A CN104107636A (en) | 2014-07-18 | 2014-07-18 | High-efficiency flat membrane filtering unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410344723.3A CN104107636A (en) | 2014-07-18 | 2014-07-18 | High-efficiency flat membrane filtering unit |
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| CN104107636A true CN104107636A (en) | 2014-10-22 |
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| CN201410344723.3A Pending CN104107636A (en) | 2014-07-18 | 2014-07-18 | High-efficiency flat membrane filtering unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730991A (en) * | 2016-12-30 | 2017-05-31 | 天津沃驰科技有限公司 | A kind of board-like membrane contactor |
| CN106731858A (en) * | 2017-01-12 | 2017-05-31 | 成都易态科技有限公司 | Plate type membrane component |
| JP2017526422A (en) * | 2014-08-05 | 2017-09-14 | ガンブロ・ルンディア・エービーＧａｍｂｒｏ Ｌｕｎｄｉａ Ａｂ | Filter module |
| WO2018032562A1 (en) * | 2016-08-17 | 2018-02-22 | 常娟 | Recyclable internal filter screen for industrial water purifier |
| CN109794170A (en) * | 2019-03-13 | 2019-05-24 | 殷伟卿 | A kind of novel immersion MBR flat-plate separation film element, preparation method and restorative procedure |
| CN110479104A (en) * | 2019-03-21 | 2019-11-22 | 江苏滤盾膜科技有限公司 | The resistance to backwash plate membrane of one kind and preparation method |
| CN110872151A (en) * | 2018-08-30 | 2020-03-10 | 中国石油化工股份有限公司 | Flat MBR flow guide plate, membrane module, reactor and method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102989323A (en) * | 2012-12-12 | 2013-03-27 | 北京坎普尔环保技术有限公司 | Sheet frame type membrane filtration device |
| CN202876664U (en) * | 2012-10-12 | 2013-04-17 | 上海乐泽环境工程有限公司 | Plate-type membrane assembly for membrane bioreactor (MBR) process |
| CN204034572U (en) * | 2014-07-18 | 2014-12-24 | 北京坎普尔环保技术有限公司 | Plate and frame Flat Membrane filter element |
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2014
- 2014-07-18 CN CN201410344723.3A patent/CN104107636A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202876664U (en) * | 2012-10-12 | 2013-04-17 | 上海乐泽环境工程有限公司 | Plate-type membrane assembly for membrane bioreactor (MBR) process |
| CN102989323A (en) * | 2012-12-12 | 2013-03-27 | 北京坎普尔环保技术有限公司 | Sheet frame type membrane filtration device |
| CN204034572U (en) * | 2014-07-18 | 2014-12-24 | 北京坎普尔环保技术有限公司 | Plate and frame Flat Membrane filter element |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017526422A (en) * | 2014-08-05 | 2017-09-14 | ガンブロ・ルンディア・エービーＧａｍｂｒｏ Ｌｕｎｄｉａ Ａｂ | Filter module |
| WO2018032562A1 (en) * | 2016-08-17 | 2018-02-22 | 常娟 | Recyclable internal filter screen for industrial water purifier |
| CN106730991A (en) * | 2016-12-30 | 2017-05-31 | 天津沃驰科技有限公司 | A kind of board-like membrane contactor |
| CN106731858A (en) * | 2017-01-12 | 2017-05-31 | 成都易态科技有限公司 | Plate type membrane component |
| CN110872151A (en) * | 2018-08-30 | 2020-03-10 | 中国石油化工股份有限公司 | Flat MBR flow guide plate, membrane module, reactor and method thereof |
| CN110872151B (en) * | 2018-08-30 | 2022-07-12 | 中国石油化工股份有限公司 | Flat MBR (membrane bioreactor) guide plate, membrane module, reactor and method thereof |
| CN109794170A (en) * | 2019-03-13 | 2019-05-24 | 殷伟卿 | A kind of novel immersion MBR flat-plate separation film element, preparation method and restorative procedure |
| CN110479104A (en) * | 2019-03-21 | 2019-11-22 | 江苏滤盾膜科技有限公司 | The resistance to backwash plate membrane of one kind and preparation method |
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Application publication date: 20141022 |