CN102371121A - Diversion hollow fiber membrane assembly and filtering equipment comprising same - Google Patents
Diversion hollow fiber membrane assembly and filtering equipment comprising same Download PDFInfo
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- CN102371121A CN102371121A CN2010105504622A CN201010550462A CN102371121A CN 102371121 A CN102371121 A CN 102371121A CN 2010105504622 A CN2010105504622 A CN 2010105504622A CN 201010550462 A CN201010550462 A CN 201010550462A CN 102371121 A CN102371121 A CN 102371121A
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- hollow fiber
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- fibre membrane
- diversion shell
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Abstract
The invention relates to a diversion hollow fiber membrane assembly and filtering equipment comprising the same, and provides a diversion hollow fiber membrane assembly, which comprises hollow fiber membrane filaments (1), a tip (2), an end cover (3), a diversion shell (4) and an aeration device (5), wherein the tail ends of the hollow fiber membrane filaments are cast in the tip with resin for fixing; the diversion shell is covered outside the hollow fiber membrane filaments and is fixed with the tip; the axial central line of the diversion shell is provided with a diversion pipe (7) of which the length is different from that of the diversion shell; the diversion pipe forms a gas-liquid flow channel among the hollow fiber membrane filaments; the diversion pipe is connected and fixed with the diversion shell through a radial rib plate (8); the radial rib plate is used for partitioning and limiting the hollow fiber membrane filaments in the diversion shell, so that a gas-liquid flow channel is formed among the partitioned hollow fiber membrane filaments; the aeration device is positioned under the hollow fiber membrane filaments; and during aeration, gas is used for wiping the surfaces of the hollow fiber membrane filaments and leading suspension particles out of through holes on the circumferential walls of the diversion shell for settling outside the diversion shell. The invention further provides filtering equipment comprising the diversion hollow fiber membrane assembly.
Description
Technical field
The invention belongs to water technology and membrane separation technique field, relate to a kind of hollow fiber film assembly.More particularly, the present invention relates to a kind of flow-guiding type hollow fiber film assembly.The invention still further relates to the filter plant that comprises this flow-guiding type hollow fiber film assembly.
Background technology
Membrane separation technique has been widely used in the isolated by filtration of water purification processing or liquid.Common is that the membrane module that core constitutes is divided into external membrane assembly and immersed membranes assembly by filtration system structure difference with the hollow-fibre membrane silk.The pressure official post liquid to be filtered that relies on the inside and outside both sides of hollow-fibre membrane silk during filtration from hollow-fibre membrane silk inboard or the outside infiltrate into its outside or the inboard purpose that reaches separation.Difference according to filtering direction is divided into interior press mold assembly and external-pressing film assembly again; Liquid to be filtered infiltrated into hollow-fibre membrane silk inboard from the hollow-fibre membrane silk outside when wherein external-pressing film assembly filtered; Converge to liquid collecting cavity output, suspended particulate or concentrate are trapped within hollow-fibre membrane silk outer surface again.
External-pressing film assembly is usually used in the liquid to be filtered that the isolated by filtration suspended particulate is many, concentration is high; A large amount of suspended particulates or concentrate constantly gathering rest on hollow-fibre membrane silk outer surface; Cause membrane module contaminated filter ability to reduce, need often the film silk to be cleaned for this reason.External-pressing film assembly generally reaches the purpose of cleaning through gas, the moving scouring of flow hollow-fibre membrane silk outer surface; Can select the less relatively position of resistance to pass through earlier when cleaning between the hollow-fibre membrane silk of bubble in membrane module play; Hollow-fibre membrane silk in liquid to be filtered is beat because the pliability of itself can irregularly be drifted about; Gap between the hollow-fibre membrane silk also can vary in size, and cleans the bubble skewness thereby cause, and while suspended particulate or concentrate also can receive its gap affects when between the hollow-fibre membrane silk, flowing and can not effectively drain smoothly; Cause the contaminated damage of membrane module like this, the shortening of accelerated service life.
Up to now, this area is still untapped to go out a kind of pollution that can reduce membrane module effectively, prevents the fracture of film silk, the hollow fiber film assembly in the service life of membrane component and prolong.
Therefore, this area presses for develops a kind of pollution that can reduce membrane module effectively, prevents the fracture of film silk, the hollow fiber film assembly in the service life of membrane component and prolong.
Summary of the invention
The invention provides a kind of flow-guiding type hollow fiber film assembly of novelty, thereby solved the problem that exists in the prior art.
On the one hand, the invention provides a kind of flow-guiding type hollow fiber film assembly, it comprises: hollow-fibre membrane silk, termination, end cap, diversion shell and aerator, and wherein, said many hollow-fibre membrane silk ends are fixing in the termination with resin cast; Said diversion shell covers on outside the hollow-fibre membrane silk and with the termination and fixes; The axial centre line position of said diversion shell is provided with the mozzle different with diversion shell length, and said mozzle constitutes the Liquid Flow passage between the hollow-fibre membrane silk; Said mozzle is connected fixing with diversion shell by gusset radially, said radially gusset is separated many hollow-fibre membrane silks in the diversion shell spacing, makes shape Liquid Flow passage between the hollow-fibre membrane silk that is separated; Said aerator be positioned at the hollow-fibre membrane silk under, gas is cleaned hollow-fibre membrane silk surface when aeration, and takes suspended particulate out of from the through hole of diversion shell perisporium, outside diversion shell, precipitates.
One preferred embodiment in, the quantity that connects the radially gusset of fixed diversion pipe in the said diversion shell is at least two, said radially gusset is separated many hollow-fibre membrane silk equal portions.
Another preferred embodiment in; Said diversion shell is divided into perisporium atresia and two kinds of structures of perisporium multi-through hole, and the diversion shell of said perisporium atresia and perisporium multi-through hole is fixed outside the hollow-fibre membrane silk and with the termination not wait staggered series combination of number to constitute a piece cover.
Another preferred embodiment in, the fixed form of the hollow-fibre membrane silk of said membrane module has following two kinds: in the termination, other end sealing also is the form that free shape scatters to hollow-fibre membrane silk one end with resin cast; Hollow-fibre membrane silk two ends are the form of resin cast.
Another preferred embodiment in, pressure housing is housed to constitute the external hollow fiber film assembly outside diversion shell, during perhaps said flow-guiding type hollow fiber film assembly directly immerses and waits to filtrate to constitute the immersion hollow fiber film assembly.
On the other hand, the invention provides a kind of filter plant, it comprises above-mentioned flow-guiding type hollow fiber film assembly.
Description of drawings
Fig. 1 is that the master according to a kind of flow-guiding type hollow fiber film assembly of an embodiment of the invention looks sketch map.
Fig. 2 is the vertical profile sketch map of flow-guiding type hollow fiber film assembly shown in Figure 1.
Fig. 3 is the cross-sectional sketch map of flow-guiding type hollow fiber film assembly shown in Figure 1.
Fig. 4 is the vertical profile sketch map of flow-guiding type hollow fiber film assembly according to another implementation of the invention.
Fig. 5 is the vertical profile sketch map according to the flow-guiding type hollow fiber film assembly of another embodiment of the present invention.
Fig. 6 is the vertical profile sketch map according to the flow-guiding type hollow fiber film assembly of another embodiment of the present invention.
The specific embodiment
Inventor of the present invention finds after having carried out extensive and deep research; When the doughnut membrane module adopts diversion shell; The staggered series combination of the diversion shell of perisporium atresia and two kinds of structures of perisporium multi-through hole constitutes an integral body, can prevent effectively that bubble from escaping fully and can not fully clean; Mozzle on the diversion shell longitudinal center line; When aeration; Portion gas is shunted; Portion gas is directly from inside to outside cleaned the film silk through the gas-liquid channel between gusset, and then a part of gas upwards is diffused into more the upper strata smoothly through mozzle and carries out aeration, and it is more even to make aeration clean; The a large amount of suspended particulates or the concentrate that are mingled with stop between the hollow-fibre membrane silk are drained rapidly along the diversion shell that this gas-liquid channel flows to the perisporium multi-through hole, have so just reduced the pollution of membrane module effectively, have prolonged the service life of membrane module; And; At least two radially gusset is separated many hollow-fibre membrane silk equal portions in the diversion shell; Between gusset, form gas-liquid channel, and such separation plays the position limitation protection effect to the hollow-fibre membrane silk, can avoid the hollow-fibre membrane silk in liquid to be filtered, to be cleaned being entangled with when aeration impacts swing knitting strand; Simultaneously amplitude, the space of hollow-fibre membrane silk swing are done necessarily spacingly, avoid excessive swing to draw that fracture of wire damages to hollow-fibre membrane silk root chronic fatigue is stressed.Based on above-mentioned discovery, the present invention is accomplished.
In one aspect of the invention, a kind of flow-guiding type hollow fiber film assembly is provided, it comprises: hollow-fibre membrane silk 1, termination 2, end cap 3, diversion shell 4 and aerator 5, and wherein, many hollow-fibre membrane silk ends are fixing in the termination with resin cast; Diversion shell has two kinds of perisporium atresia and perisporium multi-through holes, and two kinds of staggered series combination back covers of diversion shell are fixed outside the hollow-fibre membrane silk and with the termination; The axial centre line position of diversion shell has the mozzle 7 different with diversion shell length, and said mozzle constitutes the Liquid Flow passage between the hollow-fibre membrane silk; Said mozzle is connected fixing with diversion shell by gusset 8 radially, radially gusset many hollow-fibre membrane silks in the diversion shell are separated spacing, the passage of shape Liquid Flow between the hollow-fibre membrane silk that is separated; Said aerator is positioned under the hollow-fibre membrane silk, and gas is cleaned film silk surface when aeration, and takes mud out of from the through hole of housing perisporium, outside housing, precipitates.
In the present invention, the radially gusset quantity that connects fixed diversion pipe in the said diversion shell is at least two, and radially gusset is separated many hollow-fibre membrane silk equal portions.
In the present invention, said diversion shell has perisporium atresia and two kinds of structures of perisporium multi-through hole, and the diversion shell of perisporium atresia and perisporium multi-through hole constitutes an integral body not wait staggered series combination of number.
In the present invention, the hollow-fibre membrane silk fixed form of said membrane module has following two kinds: in the termination, other end sealing also is the form that free shape scatters to an end with resin cast; And all there is the form of resin cast at two ends.
In the present invention, can outside diversion shell, adorn a pressure housing 9 to constitute the external hollow fiber film assembly, also can be directly with the flow-guiding type hollow fiber film assembly directly immerse wait to filtrate in to constitute the immersion hollow fiber film assembly.
In another aspect of the present invention, a kind of filter plant is provided, it comprises above-mentioned flow-guiding type hollow fiber film assembly.
Below in conjunction with accompanying drawing the present invention is done further description, it should be understood that, they only be used to the present invention is described and be not used in the restriction scope of the present invention.
Fig. 1 is that the master according to a kind of flow-guiding type hollow fiber film assembly of an embodiment of the invention looks sketch map.As shown in Figure 1, said flow-guiding type hollow fiber film assembly comprises many hollow-fibre membrane silks, termination 2, end cap 3, diversion shell 4 and aerator 5.
Fig. 2 is the vertical profile sketch map of flow-guiding type hollow fiber film assembly shown in Figure 1.As shown in Figure 2, in termination 2, assembling end cap 3 back constitutes liquid collecting cavities to hollow-fibre membrane silk 1 one ends with resin cast, and the other end sealing of hollow-fibre membrane silk 1 also is free shape and scatters, and it is downward to be the end that free shape scatters; The diversion shell 4 of perisporium atresia and two kinds of structure series combination of perisporium multi-through hole covers on outside the hollow-fibre membrane silk 1; Diversion shell 4 is fixing with termination 2; The axial centre line position has mozzle 7 in the diversion shell 4; Radially gusset 8 is connected mozzle 7 fixingly with diversion shell 4, is that two radially gusset 8 is separated many hollow-fibre membrane silks 1 at least, the mozzle 7 and the passage of the gap formation Liquid Flow between gusset 8 and the hollow-fibre membrane silk 1 radially; When the membrane module aeration, aerator 5 escaping gas are radially gusset 8 diffusion gradually from inside to outside of a part in diversion shell 4, and a part is diverted to upper level through mozzle 7; Bubble is constantly gone up ease and is being cleaned hollow-fibre membrane silk 1, and a large amount of suspended particulates or the concentrate that are mingled with stop between the hollow-fibre membrane silk 1 are drained rapidly along the diversion shell that this gas-liquid channel flows to the perisporium multi-through hole.
Fig. 3 is the cross-sectional sketch map of flow-guiding type hollow fiber film assembly shown in Figure 1.As shown in Figure 3, be that two radially gusset 8 is separated many hollow-fibre membrane silks 1 at least, the mozzle 7 and the passage of the gap formation Liquid Flow between gusset 8 and the hollow-fibre membrane silk 1 radially.
Fig. 4 is the vertical profile sketch map of flow-guiding type hollow fiber film assembly according to another implementation of the invention.As shown in Figure 4; Said flow-guiding type hollow fiber film assembly comprises many hollow-fibre membrane silks 1, termination 2, end cap 3, diversion shell 4 and aerator, wherein, hollow-fibre membrane silk 1 one ends with resin cast in termination 2; Assembling end cap 3 backs constitute liquid collecting cavity; Liquid collecting cavity is positioned at the bottom, and the sealing of the other end of hollow-fibre membrane silk 1 also is free shape and scatters, and is a end that free shape scatters upwards; The diversion shell 4 of perisporium atresia and two kinds of structure series combination of perisporium multi-through hole covers on outside the hollow-fibre membrane silk 1; Diversion shell 4 is fixing with termination 2; The axial centre line position has mozzle 7 in the diversion shell 4; Radially gusset 8 is connected mozzle 7 fixingly with diversion shell 4, is that two radially gusset 8 is separated many hollow-fibre membrane silks 1 at least, the mozzle 7 and the passage of the gap formation Liquid Flow between gusset 8 and the hollow-fibre membrane silk 1 radially; And on end cap 3, leave aeration passage 6.
Fig. 5 is the vertical profile sketch map according to the flow-guiding type hollow fiber film assembly of another embodiment of the present invention.As shown in Figure 5, said flow-guiding type hollow fiber film assembly comprises many hollow-fibre membrane silks 1, termination 2, end cap 3, diversion shell 4 and aerator, and wherein, the hollow-fibre membrane silk all has resin cast in two ends about in the of 1, and upper end assembling end cap 3 backs constitute liquid collecting cavity; The diversion shell 4 of perisporium atresia and two kinds of structure series combination of perisporium multi-through hole covers on outside the hollow-fibre membrane silk 1; Diversion shell 4 is fixing with termination 2; The axial centre line position has mozzle 7 in the diversion shell 4; Radially gusset 8 is connected mozzle 7 fixingly with diversion shell 4, is that two radially gusset 8 is separated many hollow-fibre membrane silks 1 at least, the mozzle 7 and the passage of the gap formation Liquid Flow between gusset 8 and the hollow-fibre membrane silk 1 radially; And leave aeration passage 6 in membrane module bottom.
Fig. 6 is the vertical profile sketch map according to the flow-guiding type hollow fiber film assembly of another embodiment of the present invention.As shown in Figure 6; Said flow-guiding type hollow fiber film assembly comprises many hollow-fibre membrane silks 1, termination 2, end cap 3, diversion shell 4 and aerator; Wherein, in termination 2, assembling end cap 3 backs constitute liquid collecting cavity to hollow-fibre membrane silk 1 one ends with resin cast; The sealing of the other end of hollow-fibre membrane silk 1 also is free shape and scatters, and is a end that free shape scatters upwards; The diversion shell 4 of perisporium atresia and two kinds of structure series combination of perisporium multi-through hole covers on outside the hollow-fibre membrane silk 1; Diversion shell 4 is fixing with termination 2; The axial centre line position has mozzle 7 in the diversion shell 4; Radially gusset 8 is connected mozzle 7 fixingly with diversion shell 4, is that two radially gusset 8 is separated many hollow-fibre membrane silks 1 at least, the mozzle 7 and the passage of the gap formation Liquid Flow between gusset 8 and the hollow-fibre membrane silk 1 radially; And outside diversion shell 4, increase by a pressure housing 9 to constitute the external membrane assembly; Pressure housing 9 and termination 2 sealing assemblings; Pressure housing 9 bottoms have at least one interface 10 to be used to into wait to filtrate and clean gas, and pressure housing 9 sidewalls have at least one interface 11 to be used for exhaust and row's suspended particulate or concentrate.
Major advantage of the present invention is:
Flow-guiding type hollow fiber film assembly of the present invention can reduce the pollution of membrane module effectively, prevents the fracture of film silk, the service life of membrane component and prolong.
Though for purpose clear and that understand; The present invention has been carried out detailed description; But after having read present specification, it will be apparent to those skilled in the art that under the prerequisite that does not depart from spirit of the present invention and essence; Can carry out various modifications and change to the present invention, these modifications and change all fall within the included scope of appended claims and equivalents thereof.
Claims (6)
1. flow-guiding type hollow fiber film assembly, it comprises: hollow-fibre membrane silk (1), termination (2), end cap (3), diversion shell (4) and aerator (5) is characterized in that: said many hollow-fibre membrane silk ends are fixing in the termination with resin cast; Said diversion shell covers on outside the hollow-fibre membrane silk and with the termination and fixes; The axial centre line position of said diversion shell is provided with the mozzle (7) different with diversion shell length, and said mozzle constitutes the Liquid Flow passage between the hollow-fibre membrane silk; Said mozzle is connected fixing with diversion shell by gusset (8) radially, said radially gusset is separated many hollow-fibre membrane silks in the diversion shell spacing, makes shape Liquid Flow passage between the hollow-fibre membrane silk that is separated; Said aerator be positioned at the hollow-fibre membrane silk under, gas is cleaned hollow-fibre membrane silk surface when aeration, and takes suspended particulate out of from the through hole of diversion shell perisporium, outside diversion shell, precipitates.
2. flow-guiding type hollow fiber film assembly according to claim 1 is characterized in that: the quantity that connects the radially gusset of fixed diversion pipe in the said diversion shell is at least two, and said radially gusset is separated many hollow-fibre membrane silk equal portions.
3. flow-guiding type hollow fiber film assembly according to claim 1; It is characterized in that: said diversion shell is divided into perisporium atresia and two kinds of structures of perisporium multi-through hole, and the diversion shell of said perisporium atresia and perisporium multi-through hole is fixed outside the hollow-fibre membrane silk and with the termination not wait staggered series combination of number to constitute a piece cover.
4. flow-guiding type hollow fiber film assembly according to claim 1; It is characterized in that: the fixed form of the hollow-fibre membrane silk of said membrane module has following two kinds: in the termination, other end sealing also is the form that free shape scatters to hollow-fibre membrane silk one end with resin cast; Hollow-fibre membrane silk two ends are the form of resin cast.
5. flow-guiding type hollow fiber film assembly according to claim 1; It is characterized in that: pressure housing (9) is housed to constitute the external hollow fiber film assembly outside diversion shell, during perhaps said flow-guiding type hollow fiber film assembly directly immerses and waits to filtrate to constitute the immersion hollow fiber film assembly.
6. filter plant, it comprises each described flow-guiding type hollow fiber film assembly among the claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105504622A CN102371121A (en) | 2010-08-19 | 2010-11-09 | Diversion hollow fiber membrane assembly and filtering equipment comprising same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020298180.3 | 2010-08-19 | ||
| CN201020298180 | 2010-08-19 | ||
| CN2010105504622A CN102371121A (en) | 2010-08-19 | 2010-11-09 | Diversion hollow fiber membrane assembly and filtering equipment comprising same |
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| CN102371121A true CN102371121A (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105504622A Pending CN102371121A (en) | 2010-08-19 | 2010-11-09 | Diversion hollow fiber membrane assembly and filtering equipment comprising same |
| CN2010206127395U Expired - Lifetime CN201862365U (en) | 2010-08-19 | 2010-11-09 | Flow guide type hollow-fibre membrane component and filtering equipment comprising same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206127395U Expired - Lifetime CN201862365U (en) | 2010-08-19 | 2010-11-09 | Flow guide type hollow-fibre membrane component and filtering equipment comprising same |
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| Country | Link |
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| CN (2) | CN102371121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234419A (en) * | 2017-01-31 | 2019-09-13 | 东丽株式会社 | Hollow fiber film assembly |
| RU2796020C1 (en) * | 2020-01-17 | 2023-05-16 | Чжэцзян Майбо Полимер Материалс Ко., Лтд. | Aerosol container with gas-liquid channel |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371121A (en) * | 2010-08-19 | 2012-03-14 | 苏州立升净水科技有限公司 | Diversion hollow fiber membrane assembly and filtering equipment comprising same |
| CN103446887B (en) * | 2012-06-01 | 2016-04-13 | 珠海格力电器股份有限公司 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
| CN110548404B (en) * | 2019-08-27 | 2022-04-01 | 武汉艾科滤膜技术有限公司 | Hollow fiber membrane module |
| CN114082021A (en) * | 2021-12-03 | 2022-02-25 | 山东威高血液净化制品股份有限公司 | Improved dialyzer for dialysate flow |
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2010
- 2010-11-09 CN CN2010105504622A patent/CN102371121A/en active Pending
- 2010-11-09 CN CN2010206127395U patent/CN201862365U/en not_active Expired - Lifetime
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| CN2744398Y (en) * | 2004-11-04 | 2005-12-07 | 浙江欧美环境工程有限公司 | Immersion ditch type gas distributing hollow fiber membrane assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110234419A (en) * | 2017-01-31 | 2019-09-13 | 东丽株式会社 | Hollow fiber film assembly |
| CN110234419B (en) * | 2017-01-31 | 2021-09-24 | 东丽株式会社 | Hollow fiber membrane module |
| RU2796020C1 (en) * | 2020-01-17 | 2023-05-16 | Чжэцзян Майбо Полимер Материалс Ко., Лтд. | Aerosol container with gas-liquid channel |
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| Publication number | Publication date |
|---|---|
| CN201862365U (en) | 2011-06-15 |
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Application publication date: 20120314 |