CN104841282A - Flat sheet membrane filter component - Google Patents

Flat sheet membrane filter component Download PDF

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Publication number
CN104841282A
CN104841282A CN201510217435.6A CN201510217435A CN104841282A CN 104841282 A CN104841282 A CN 104841282A CN 201510217435 A CN201510217435 A CN 201510217435A CN 104841282 A CN104841282 A CN 104841282A
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China
Prior art keywords
liquid trap
filter assemblies
filtration membrane
membrane filter
membrane bag
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CN201510217435.6A
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Chinese (zh)
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CN104841282B (en
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黄义忠
何锐
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Jiaxing Liren Environmental Protection Technology Co.,Ltd.
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Jiaxing Li Ren Environmental Protection Technology Co Ltd
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Publication of CN104841282A publication Critical patent/CN104841282A/en
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Abstract

The invention provides a flat sheet membrane filter component. A spacing seal ring is arranged between two adjacent filter membrane bags and sleeves a liquid trap; a spacing strip is also arranged between two adjacent filter membrane bags and is arranged at the edges of the filter membrane bags; the filter membrane bags are spaced by using the seal ring and the spacing strip; since the distance between two adjacent filter membrane bags is increased, the filter component can be used for filtering liquid with high suspension content; besides, a plurality of ribs which protrude along the diameter direction of the liquid trap are uniformly distributed on the circumference of the liquid trap; the drainage area of the liquid trap is increased, further the filter speed of the filter component is improved and the operation cost of the filter component is reduced.

Description

A kind of Flat Membrane filter assemblies
Technical field
The present invention relates to a kind of Flat Membrane filter assemblies.
Background technology
Flat membrane ultrafiltration or micro-filtration filtration system have a wide range of applications in filtration and separation field, and its main type of service has rolled membrane module and plate type membrane component; Rolled membrane module is by Flat Membrane bag, cross-flow net volume on intermediate collection pipe, and the impurity in water body is retained by film, and filtered solution is flow in intermediate collection pipe by the graticule mesh in film bag, and is derived by intermediate collection pipe; Rolled membrane module generally adopts cross-flow filtration, and its advantage is that loading density is high, and floor space is little; Plate type membrane component is stacked in successively on filtered fluid collecting board and deflector by Flat Membrane filter disc, and sealed by sealing ring, the liquid after filtration is collected in filtered fluid collecting board, and is derived by tubule; Filtering also is adopt cross-flow filtration, and the advantage of conventional panel film is that every sheet film can be changed, and the expense that film is changed is lower.
Traditional plate type membrane component and rolled membrane module are all adopt cross-flow filtration, and need cross-flow pump to run continuously, the key benefit of cross-flow filtration is that of avoiding the gathering of impurity screening on film surface, alleviates the pollution of film; But conventional panel film but has a very large restriction when cross-flow, large or too much impurity can not be had in fluid to be filtered exactly, because these large or too much impurity are very easy to block the cross-flow graticule mesh that thickness is no more than 2mm, causing finally cannot cross-flow filtration.
In some filtration art, fluid to be filtered often has a lot of impurity, such as, activated sludge in oxygen consumption biochemistry pool, the cooling fluid in machined, the salt refining filtration etc. of chlor-alkali industry, cannot directly filter with conventional spiral wound and plate-type hyperfiltration; In order to realize conventional plate-type hyperfiltration and wound membrane filtration, fluid to be filtered has to pass through complicated pre-filtering, and be equipped with special wash cycles pipeline, valve etc., total system cost is very high.
Another solution adopts tubular membrane, tubular membrane due to inner passage larger, can adapt to the filtering flow of high impurity content, tubular membrane is also adopt external cross-flow with pressure to run, and its advantage is that film-strength is high, flux is large, but due to high speed cross-flow, high-voltage operation, energy consumption is very high, make its application surface very narrow, its high cost is also weak point simultaneously.
Summary of the invention
A kind of Flat Membrane filter assemblies provided by the invention, is intended to overcome the deficiency that in prior art, ultrafiltration or micro-filtration filtration system cannot be filtered the fluid of high suspended matter content.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of Flat Membrane filter assemblies, comprise liquid trap, described liquid trap is arranged with some filtration membrane bag, some filtration membrane bag are equipped with the through hole wearing liquid trap in corresponding position, separation seal circle is provided with between adjacent two pieces of filtration membrane bag, described sealing ring is set on liquid trap, also spacer bar is provided with between adjacent two pieces of filtration membrane bag, described spacer bar is arranged on the edge of filtration membrane bag, described liquid trap is also arranged with two block pressur plates compressing all filtration membrane bag, described pressing plate lays respectively at the both sides of the entirety that all filtration membrane bag are formed, two block pressur plates are connected by hold-down bolt, described pressing plate is provided with the pilot hole wearing hold-down bolt, described filtration membrane bag comprises flow-guiding screen and lays respectively at two pieces of diaphragms of flow-guiding screen both sides, and after two pieces of diaphragm environmental seal connect, middle part forms the container cavity holding flow-guiding screen, and described flow-guiding screen is positioned at container cavity, described liquid trap is circumferentially evenly equipped with some the ribs protruded along liquid trap diametric(al), and described liquid trap offers outage being arranged with filtration membrane bag place, and described outage is arranged along the diametric(al) of liquid trap circumscribed circle.
As preferably, described spacer bar is the annular of hollow; In assembling process, spacer bar plays the effect supporting filtration membrane bag, easy to assembly.
As preferably, described spacer bar is equal with the thickness of sealing ring; Or the thickness of described spacer bar is less than sealing ring thickness 0.1 ~ 1 millimeter; Assemble rear spacer bar fitted seal circle filtration membrane bag evenly to be separated, improve the rate of filtration of filtration membrane bag.
As preferably, the thickness of described sealing ring is 5 ~ 10 millimeters.
As preferably, the shape of cross section of described liquid trap is the anistree star of hollow.
As preferably, described hold-down bolt has four and is distributed on around pressing plate; Described hold-down bolt comprises stud and nut, and all studs are fixed therein on a block pressur plate by welding manner; In assembling process, stud plays the effect of location filtration membrane bag, easy to assembly.
As preferably, two pieces of diaphragms are connected by welding manner; Or two pieces of diaphragms are connected by bonding way.
As preferably, the connection width between two pieces of diaphragms is not less than 5 millimeters.
As preferably, the thickness of described flow-guiding screen is 0.4 ~ 2 millimeter.
As preferably, described through hole is arranged on the geometric center place of filtration membrane bag.
Compared with prior art, a kind of Flat Membrane filter assemblies provided by the invention, tool has the following advantages: be provided with separation seal circle between adjacent two pieces of filtration membrane bag, described sealing ring is set on liquid trap, also be provided with spacer bar between adjacent two pieces of filtration membrane bag, described spacer bar is arranged on the edge of filtration membrane bag; Adopt sealing ring and spacer bar filtration membrane bag is spaced apart, due between adjacent two pieces of filtration membrane bag distance increase, so filter assemblies can filter the liquid of high suspension content; In addition, liquid trap is circumferentially evenly equipped with some the ribs protruded along liquid trap diametric(al); Increase the drainage area of liquid trap, and then improve the rate of filtration of filter assemblies, reduce the operating cost of filtration system.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of a kind of Flat Membrane filter assemblies of the present invention,
Accompanying drawing 2 is explosive views of a kind of Flat Membrane filter assemblies of the present invention,
Accompanying drawing 3 is structural representations of filtration membrane bag in horizontal member part of the present invention,
Accompanying drawing 4 is cross sectional representation of liquid trap in a kind of Flat Membrane filter assemblies of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of Flat Membrane filter assemblies of the present invention is described further.As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of Flat Membrane filter assemblies, this filter assemblies is used for submerged filtration system, by in liquid to be filtered for complete for filter assemblies immersion during use, utilize malleation or negative pressure to filter, namely utilize malleation or negative pressure that liquid to be filtered is entered in filtration membrane bag 2 and filter, then discharged by liquid trap 1; This Flat Membrane filter assemblies comprises liquid trap 1, described liquid trap 1 is circumferentially evenly equipped with some the ribs 11 protruded along liquid trap 1 diametric(al), described liquid trap 1 offers outage being arranged with filtration membrane bag 2 place, and described outage is arranged along the diametric(al) of liquid trap 1 circumscribed circle; The shape of cross section of described liquid trap 1 is the anistree star of hollow, this arranges the drainage area that can increase liquid trap 1, thus the liquid after filter membrane bag 2 filters is entered rapidly in liquid trap 1, improve the rate of filtration of liquid, improve packaging efficiency simultaneously;
See Fig. 3, described liquid trap 1 is arranged with some filtration membrane bag 2, described filtration membrane bag 2 comprises flow-guiding screen 21 and lays respectively at two pieces of diaphragms 22 of flow-guiding screen 21 both sides, after two pieces of diaphragm 22 environmental seal connect, middle part forms the container cavity 23 holding flow-guiding screen 21, and described flow-guiding screen 21 is positioned at container cavity 23; The thickness of described flow-guiding screen 21 is 0.4 ~ 2 millimeter, and described flow-guiding screen 21 can select the PP net of 0.45 millimeters thick in prior art, is then cut into suitable shape, as square, circle, polygon etc.; Described diaphragm 22 can select the ultrafiltration diaphragm 22 of PVDF material, two pieces of diaphragms 22 can adopt the mode of welding to link together, namely surrounding is welded at the temperature of 220 degrees Celsius with Hot welding, form the welded seal band that surrounding width is not less than 5 millimeters, two pieces of diaphragms 22 also can adopt bonding mode to link together; Two pieces of diaphragms 22 also can adopt other connected mode to connect, and as ultrasonic bonding etc., but should be able to protect the sealing property between two panels diaphragm 22;
Some filtration membrane bag 2 are equipped with the through hole wearing liquid trap 1 in corresponding position, this passing hole is positioned at the geometric center of filtration membrane bag 2;
Some filtration membrane bag 2 also can arrange multiple through hole, namely arrange many liquid traps 1 simultaneously, although this method improves the rate of filtration may have impact to filter quality, during specific design, suggestion should arrange the liquid trap 1 being less than 5 simultaneously;
See Fig. 1, Fig. 2, separation seal circle 3 is provided with between adjacent two pieces of filtration membrane bag 2, the thickness of described sealing ring 3 is 5 ~ 10 millimeters, described sealing ring 3 is set on liquid trap 1, spacer bar 4 is also provided with between adjacent two pieces of filtration membrane bag 2, described spacer bar 4 is arranged on the edge of filtration membrane bag 2, described spacer bar 4 is the annular of hollow, described filtration membrane bag 2 and spacer bar 4 are first by press-in connection (sealing), after Long-Time Service, filtration membrane bag 2 and spacer bar 4 can bond together in the mode of molecular diffusion, thus mineralization pressure connects and bonding dual connection (sealing) mode, in assembling process, spacer bar 4 plays the effect supporting filtration membrane bag 2, easy to assembly, described spacer bar 4 is equal with the thickness of sealing ring 3, or the thickness of described spacer bar 4 is less than sealing ring 3 thickness 0.1 ~ 1 millimeter, assembled rear spacer bar 4 fitted seal circle 3 filtration membrane bag 2 evenly to be separated, improve the rate of filtration of filtration membrane bag 2, pollutant is difficult to rest in the middle of diaphragm 22 simultaneously, improves diaphragm 22 stain resistance,
See Fig. 1, Fig. 2, described liquid trap 1 is also arranged with two block pressur plates 5 compressing all filtration membrane bag 2, and described pressing plate 5 lays respectively at the both sides of the entirety that all filtration membrane bag 2 are formed, two block pressur plates 5 are connected by hold-down bolt 6, and described pressing plate 5 is provided with the pilot hole wearing hold-down bolt 6; Described hold-down bolt 6 has four and is distributed on pressing plate 5 around; Described hold-down bolt 6 comprises stud 61 and nut 62, and all studs 61 are fixed therein on a block pressur plate 5 by welding manner; In assembling process, stud 61 plays the effect of location filtration membrane bag 2, easy to assembly.
See Fig. 1, Fig. 2, after having assembled, is provided with spacer bar 4 and sealing ring 3 between adjacent two filtration membrane bag 2, then be fixed by pressing plate 5, namely accessible filtration system, immerses in liquid to be filtered by filter assemblies in use procedure, utilizes malleation or negative pressure to filter, liquid is entered in liquid trap 1 after filter membrane bag 2 filters discharge, owing to being provided with spacer bar 4 and sealing ring 3, make filter assemblies can adapt to higher suspension content, easy to use.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.

Claims (10)

1. a Flat Membrane filter assemblies, it is characterized in that: comprise liquid trap (1), described liquid trap (1) is arranged with some filtration membrane bag (2), some filtration membrane bag (2) are equipped with the through hole wearing liquid trap (1) in corresponding position, separation seal circle (3) is provided with between adjacent two pieces of filtration membrane bag (2), described sealing ring (3) is set on liquid trap (1), spacer bar (4) is also provided with between adjacent two pieces of filtration membrane bag (2), described spacer bar (4) is arranged on the edge of filtration membrane bag (2), described liquid trap (1) is also arranged with two block pressur plates (5) compressing all filtration membrane bag (2), described pressing plate (5) lays respectively at the both sides of the entirety that all filtration membrane bag (2) are formed, two block pressur plates (5) are connected by hold-down bolt (6), described pressing plate (5) is provided with the pilot hole wearing hold-down bolt (6), described filtration membrane bag (2) comprises flow-guiding screen (21) and lays respectively at two pieces of diaphragms (22) of flow-guiding screen (21) both sides, after two pieces of diaphragm (22) environmental seal connect, middle part forms the container cavity (23) holding flow-guiding screen (21), and described flow-guiding screen (21) is positioned at container cavity (23), described liquid trap (1) is circumferentially evenly equipped with some the ribs (11) protruded along liquid trap (1) diametric(al), described liquid trap (1) offers outage being arranged with filtration membrane bag (2) place, and described outage is arranged along the diametric(al) of liquid trap (1) circumscribed circle.
2. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: the annular that described spacer bar (4) is hollow.
3. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: described spacer bar (4) is equal with the thickness of sealing ring (3); Or the thickness of described spacer bar (4) is less than sealing ring (3) thickness 0.1 ~ 1 millimeter.
4. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: the thickness of described sealing ring (3) is 5 ~ 10 millimeters.
5. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: the shape of cross section of described liquid trap (1) is the anistree star of hollow.
6. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: described hold-down bolt (6) has four and is distributed on pressing plate (5) around; Described hold-down bolt (6) comprises stud (61) and nut (62), and all studs (61) are fixed therein on a block pressur plate (5) by welding manner.
7. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: two pieces of diaphragms (22) are connected by welding manner; Or two pieces of diaphragms (22) are connected by bonding way.
8. a kind of Flat Membrane filter assemblies according to claim 1 or 7, is characterized in that: the connection width between two pieces of diaphragms (22) is not less than 5 millimeters.
9. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: the thickness of described flow-guiding screen (21) is 0.4 ~ 2 millimeter.
10. a kind of Flat Membrane filter assemblies according to claim 1, is characterized in that: described through hole is arranged on the geometric center place of filtration membrane bag (2).
CN201510217435.6A 2015-04-30 2015-04-30 A kind of flat board membrane filtration module Active CN104841282B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107413198A (en) * 2017-06-01 2017-12-01 成都易态科技有限公司 The filter of filtering film component and its composition
CN108043229A (en) * 2018-01-26 2018-05-18 嘉兴里仁环保科技有限公司 A kind of tablet membrane filtration module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209918A1 (en) * 2002-03-07 2003-09-25 Geesthacht Gkss Forschung Device for processing and separating in particular biologically organic flow media
US20100019400A1 (en) * 2008-07-23 2010-01-28 Gm Global Technology Operations, Inc. Wvt design for reduced mass and improved sealing reliability
JP2010158599A (en) * 2009-01-06 2010-07-22 Kubota Corp Spacing member, membrane element, and immersion type membrane separation apparatus
CN201578994U (en) * 2010-01-22 2010-09-15 苏州膜华材料科技有限公司 Immersed flat panel membrane separator
CN203990320U (en) * 2014-07-15 2014-12-10 北京特里高膜技术有限公司 Horizontal hollow fiber ultrafiltration membrane
CN204544006U (en) * 2015-04-30 2015-08-12 嘉兴里仁环保科技有限公司 A kind of Flat Membrane filter assemblies

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209918A1 (en) * 2002-03-07 2003-09-25 Geesthacht Gkss Forschung Device for processing and separating in particular biologically organic flow media
US20100019400A1 (en) * 2008-07-23 2010-01-28 Gm Global Technology Operations, Inc. Wvt design for reduced mass and improved sealing reliability
JP2010158599A (en) * 2009-01-06 2010-07-22 Kubota Corp Spacing member, membrane element, and immersion type membrane separation apparatus
CN201578994U (en) * 2010-01-22 2010-09-15 苏州膜华材料科技有限公司 Immersed flat panel membrane separator
CN203990320U (en) * 2014-07-15 2014-12-10 北京特里高膜技术有限公司 Horizontal hollow fiber ultrafiltration membrane
CN204544006U (en) * 2015-04-30 2015-08-12 嘉兴里仁环保科技有限公司 A kind of Flat Membrane filter assemblies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107413198A (en) * 2017-06-01 2017-12-01 成都易态科技有限公司 The filter of filtering film component and its composition
CN108043229A (en) * 2018-01-26 2018-05-18 嘉兴里仁环保科技有限公司 A kind of tablet membrane filtration module

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Address after: Room 115, 223 Luchuan new street, Xincang Town, Pinghu City, Jiaxing City, Zhejiang Province, 314205

Patentee after: Jiaxing Liren Environmental Protection Technology Co.,Ltd.

Address before: Room 115, 223 Luchuan new street, Xincang Town, Pinghu City, Jiaxing City, Zhejiang Province, 314205

Patentee before: JIAXING LIREN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.