CN101590336A - A kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element - Google Patents
A kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element Download PDFInfo
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- CN101590336A CN101590336A CNA2008100382674A CN200810038267A CN101590336A CN 101590336 A CN101590336 A CN 101590336A CN A2008100382674 A CNA2008100382674 A CN A2008100382674A CN 200810038267 A CN200810038267 A CN 200810038267A CN 101590336 A CN101590336 A CN 101590336A
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- support tube
- nonwoven fabric
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Abstract
A kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element, by filtering medium layer, interior support tube and outer support tube constitute, filtering medium layer is folded into the fin back wall on the excircle of interior support tube, support tube was axial in the fold line of filtering medium layer was parallel to, outer support tube is set in the cylinder outside that filtering medium layer constitutes, filtering medium layer is by one deck nonwoven fabric of long fibers, the thin staple fiber nonwoven fabric of one deck, one deck polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane and the superimposed formation of a layer plane water conservancy diversion net, thin staple fiber nonwoven fabric is arranged on the upstream of filter membrane, nonwoven fabric of long fibers is arranged on the upstream of thin staple fiber nonwoven fabric, plane water conservancy diversion net is arranged on the downstream of filter membrane, and the radial end face of two adjacent fins all is welded to connect arbitrarily.Thin staple fiber nonwoven fabric plays the effect of pre-filtering and protection filter membrane, has increased the pollutant holding capability of filter core; Nonwoven fabric of long fibers strengthens very the scraping property of foldable layer; The plane guide nets and has reduced fluid resistance, has improved the flow of filter core, has overcome fibre shedding simultaneously.
Description
Technical field:
The present invention relates to the fluid purification technology, relate in particular to the liquid degerming and remove particulate device, particularly a kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element.
Background technology:
A large amount of filter and different filter mediums of using in micro particle filtering and the application of other liquid purifying are filtered, removed to the bacterium that removes of the liquid of industries such as pharmacy fermentation, bioengineering, food and drink, modern chemical industry, electronics industry, environmental protection.Folding type filter element is generally adopted in the micro porous filtration field in filter.The filter medium of folding type filter element is made by macromolecular material, and still the chemical intermiscibility of different macromolecular materials and anti-marquis, heat resistance have bigger difference.Polytetrafluoroethylene (PTFE) miillpore filter commonly used has excellent in chemical compatibility and higher heat resistance, can tolerate more harsh filtration system and applied environment, but the hydrophobic performance that polytetrafluoroethylene (PTFE) is strong has limited the application of this filtering material in aqueous systems widely.Therefore, with low surface tension media such as ethanol the polytetrafluoroethylene (PTFE) miillpore filter is carried out pre-wetted earlier in the prior art, but exist the shortcoming of bringing third party's media such as ethanol into liquid.In addition; collapsible filtration in-core of the prior art; therefore respectively use one deck nonwoven fabric of long fibers as protective layer in the upstream and downstream side of poly tetrafluoroethylene, have at the fiber of filter process middle and lower reaches and come off, the shortcoming that produces that the filter pollutant holding capability is low, the life-span is short, flow is little etc.
Summary of the invention:
The object of the present invention is to provide a kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element, described this hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element will solve that third party's medium such as ethanol enters liquid in the prior art, the technical problem that the folding type filter element pollutant holding capability is low, the life-span is short, flow is little is made in downstream protective layer fibre shedding.
This hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element of the present invention is by filtering medium layer, interior support tube and outer support tube constitute, described filtering medium layer is folded into the fin back wall on the excircle of interior support tube, support tube was axial in the fold line of filtering medium layer was parallel to, described outer support tube is set in the outside of the cylinder of filtering medium layer formation, wherein, described filtering medium layer is by one deck nonwoven fabric of long fibers, the thin staple fiber nonwoven fabric of one deck, one deck polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane and the superimposed formation of a layer plane water conservancy diversion net, described thin staple fiber nonwoven fabric is arranged on the upstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane, described nonwoven fabric of long fibers is arranged on the upstream of thin staple fiber nonwoven fabric, described plane water conservancy diversion net is arranged on the downstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane, the radial end face of two adjacent fins all is welded to connect arbitrarily, the upper end of support tube and outer support tube is welded with a upper end cover in described, the lower end of interior support tube and outer support tube is welded with a bottom end cover, be welded with an orientation triangle fin on the described upper end cover, the downside of described bottom end cover is welded with an interface pipe fitting.
Further, the excircle of described interface pipe fitting is provided with the O RunddichtringO.
Concrete, the welding described in the present invention can be adopted ultrasonic wave of the prior art or sweat soldering technology.
Operation principle of the present invention is: press close to the face place in the upstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane and use thin staple fiber nonwoven fabric as the filter membrane protective layer, play the effect of pre-filtering and protection filter membrane, increased the pollutant holding capability of filter core; Nonwoven fabric of long fibers is used in the upstream of thin staple fiber nonwoven fabric, has strengthened very the scraping property of foldable layer; The downstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane uses plane guide's net as protective layer, has reduced fluid resistance, has improved the flow of filter core, has overcome fibre shedding simultaneously, has guaranteed the quality of filter liquide product.
The present invention and prior art compare, and its effect is actively with tangible.The present invention presses close to the face place in the upstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane and uses thin staple fiber nonwoven fabric as the filter membrane protective layer, plays the effect of pre-filtering and protection filter membrane, has increased the pollutant holding capability of filter core; Nonwoven fabric of long fibers is used in the upstream of thin staple fiber nonwoven fabric, has strengthened very the scraping property of foldable layer; The downstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane uses plane guide's net as protective layer, has reduced fluid resistance, has improved the flow of filter core, has overcome fibre shedding simultaneously, has guaranteed the quality of filter liquide product.
Description of drawings:
Fig. 1 is the structural representation of a kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element of the present invention.
The specific embodiment:
Embodiment 1:
As shown in Figure 1, a kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element of the present invention, by filtering medium layer, interior support tube 7 and outer support tube 8 constitute, described filtering medium layer is folded into the fin back wall on the excircle of interior support tube 7, support tube 7 was axial in the fold line of filtering medium layer was parallel to, described outer support tube 8 is set in the outside of the cylinder of filtering medium layer formation, wherein, described filtering medium layer is by one deck nonwoven fabric of long fibers 3, the thin staple fiber nonwoven fabric 4 of one deck, one deck polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane 5 and a layer plane water conservancy diversion net 6 superimposed formations, described thin staple fiber nonwoven fabric 4 is arranged on the upstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane 5, described nonwoven fabric of long fibers 3 is arranged on the upstream of thin staple fiber nonwoven fabric 4, described plane water conservancy diversion net 6 is arranged on the downstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane 5, the radial end face of two adjacent fins all is welded to connect arbitrarily, the upper end of support tube 7 and outer support tube 8 is welded with a upper end cover 2 in described, the lower end of interior support tube 7 and outer support tube 8 is welded with a bottom end cover 9, be welded with an orientation triangle fin 1 on the described upper end cover 2, the downside of described bottom end cover 9 is welded with an interface pipe fitting 10.
Further, the excircle of described interface pipe fitting 10 is provided with O RunddichtringO (not shown).
Concrete, the welding described in the present embodiment can be adopted ultrasonic wave of the prior art or sweat soldering technology.
The course of work of present embodiment is: press close to the face place in the upstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane 5 and use thin staple fiber nonwoven fabric 4 as the filter membrane protective layer, play the effect of pre-filtering and protection filter membrane; Nonwoven fabric of long fibers 3 is used in the upstream of thin staple fiber nonwoven fabric 4, to strengthen very the scraping property of foldable layer; The downstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane 5 uses plane guide's net as protective layer, to reduce the flow of fluid resistance, raising filter core, overcomes fibre shedding simultaneously.
Claims (2)
1. hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element, by filtering medium layer, interior support tube and outer support tube constitute, described filtering medium layer is folded into the fin back wall on the excircle of interior support tube, support tube was axial in the fold line of filtering medium layer was parallel to, described outer support tube is set in the outside of the cylinder of filtering medium layer formation, it is characterized in that: described filtering medium layer is by one deck nonwoven fabric of long fibers, the thin staple fiber nonwoven fabric of one deck, one deck polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane and the superimposed formation of a layer plane water conservancy diversion net, described thin staple fiber nonwoven fabric is arranged on the upstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane, described nonwoven fabric of long fibers is arranged on the upstream of thin staple fiber nonwoven fabric, described plane water conservancy diversion net is arranged on the downstream of polytetrafluoroethylene (PTFE) hydrophilic microporous filter membrane, the radial end face of two adjacent fins all is welded to connect arbitrarily, the upper end of support tube and outer support tube is welded with a upper end cover in described, the lower end of interior support tube and outer support tube is welded with a bottom end cover, be welded with an orientation triangle fin on the described upper end cover, the downside of described bottom end cover is welded with an interface pipe fitting.
2. a kind of hydrophilic polyfluortetraethylemicroporous microporous membrane folding type filter element as claimed in claim 1 is characterized in that: the excircle of described interface pipe fitting is provided with the O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100382674A CN101590336B (en) | 2008-05-29 | 2008-05-29 | Hydrophilic polyfluortetraethylene microporous membrane folding type filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100382674A CN101590336B (en) | 2008-05-29 | 2008-05-29 | Hydrophilic polyfluortetraethylene microporous membrane folding type filter element |
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| Publication Number | Publication Date |
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| CN101590336A true CN101590336A (en) | 2009-12-02 |
| CN101590336B CN101590336B (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100382674A Active CN101590336B (en) | 2008-05-29 | 2008-05-29 | Hydrophilic polyfluortetraethylene microporous membrane folding type filter element |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190369A (en) * | 2010-08-13 | 2011-09-21 | 深圳市嘉泉膜滤设备有限公司 | Folding membrane bioreactor |
| CN111085021A (en) * | 2018-10-24 | 2020-05-01 | 帕尔公司 | Support and drainage material, filter, and method of use |
| CN114082310A (en) * | 2022-01-20 | 2022-02-25 | 湖南叶之能科技有限公司 | Roll type membrane element and preparation method and application thereof |
| CN114515512A (en) * | 2022-03-26 | 2022-05-20 | 付建梅 | Hydrophilic polyvinylidene fluoride nanofiltration membrane and preparation method thereof |
| CN115212651A (en) * | 2016-03-11 | 2022-10-21 | 大金工业株式会社 | Filter medium for air filter, filter pack, air filter unit, and method for producing filter medium for air filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601723Y (en) * | 2003-03-18 | 2004-02-04 | 上海过滤器厂 | Folding air cleaning pad |
| DE602005026932D1 (en) * | 2005-07-14 | 2011-04-28 | Gore W L & Ass Gmbh | Cooling fan unit for cooling electronic components |
| CN200942321Y (en) * | 2006-09-14 | 2007-09-05 | 王绍全 | Dust removal filter element |
| CN200966963Y (en) * | 2006-10-16 | 2007-10-31 | 上海微滤净化技术有限公司 | Core for filtering and separating natural gas |
| CN201205469Y (en) * | 2008-05-29 | 2009-03-11 | 上海过滤器有限公司 | Hydrophilic teflon microporous membrane foldable filter core |
-
2008
- 2008-05-29 CN CN2008100382674A patent/CN101590336B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190369A (en) * | 2010-08-13 | 2011-09-21 | 深圳市嘉泉膜滤设备有限公司 | Folding membrane bioreactor |
| CN115212651A (en) * | 2016-03-11 | 2022-10-21 | 大金工业株式会社 | Filter medium for air filter, filter pack, air filter unit, and method for producing filter medium for air filter |
| CN111085021A (en) * | 2018-10-24 | 2020-05-01 | 帕尔公司 | Support and drainage material, filter, and method of use |
| CN114082310A (en) * | 2022-01-20 | 2022-02-25 | 湖南叶之能科技有限公司 | Roll type membrane element and preparation method and application thereof |
| CN114082310B (en) * | 2022-01-20 | 2022-04-19 | 湖南叶之能科技有限公司 | Roll type membrane element and preparation method and application thereof |
| CN114515512A (en) * | 2022-03-26 | 2022-05-20 | 付建梅 | Hydrophilic polyvinylidene fluoride nanofiltration membrane and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101590336B (en) | 2011-03-30 |
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