CN103446891A - Flushable external pressure type ultrafiltration filter element assembly and water purifier - Google Patents
Flushable external pressure type ultrafiltration filter element assembly and water purifier Download PDFInfo
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- CN103446891A CN103446891A CN2012101797178A CN201210179717A CN103446891A CN 103446891 A CN103446891 A CN 103446891A CN 2012101797178 A CN2012101797178 A CN 2012101797178A CN 201210179717 A CN201210179717 A CN 201210179717A CN 103446891 A CN103446891 A CN 103446891A
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- water
- end cap
- end socket
- element assembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 39
- 239000012510 hollow fiber Substances 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims description 29
- 238000000746 purification Methods 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 5
- 239000008213 purified water Substances 0.000 abstract 7
- 239000012528 membrane Substances 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a flushable external pressure type ultrafiltration filter element assembly, which comprises a filter shell and a filter element arranged in the filter shell, wherein one end of the filter shell is a water inlet end, the other end of the filter shell is a water outlet end, a raw water main inlet is arranged at the water inlet end of the filter shell, a purified water main outlet and a sewage discharge main outlet are arranged at the water outlet end of the filter shell, the filter element comprises a purified water chamber formed in the filter shell and hollow fiber ultrafiltration membrane wires arranged in the purified water chamber, a raw water inlet communicated with the raw water main inlet, a purified water outlet communicated with the purified water main outlet and a sewage discharge outlet communicated with the sewage discharge main outlet are arranged on the wall of the purified water chamber, a pipe orifice at one end of each hollow fiber ultrafiltration membrane wire is sealed, a pipe orifice at the other end of each hollow fiber ultrafiltration. The washable external-pressure ultrafiltration filter element assembly provided by the invention has a good washing effect and can effectively increase the total purified water amount. Meanwhile, the invention also discloses a water purifier using the washable external pressure type ultrafiltration filter core assembly.
Description
Technical field
The present invention relates to water treatment facilities, particularly relate to a kind of flushable external-compression type ultra-filtration element assembly, and use the water purifier of this flushable external-compression type ultra-filtration element assembly.
Background technology
At present ultra-filtration element divides two kinds of inner pressed and external-compression types.The inner pressed ultra-filtration element has flushable structure, can repeatedly rinse long service life; But the easy spalling of inner pressed ultra-filtration element, safe drinking water can not get sufficient assurance.The external-compression type ultra-filtration element does not have the danger of film silk fracture, but does not possess flushable structure, or need to add recoil valve, adds automatically controlledly just can rinse, and only needs water pressure enough to get final product during milipore filter work, powers up and seems very burdensome.
China more American-European Japan and Korea S of water quality etc. countries is poor, and in water, impurity is than many 30% left and right of Japan and other countries, and milipore filter has easy polluting property, minimizing sharply in service life under poor water quality environment.Ultra-filtration element standard water amount is 2t (current technology), and experiment at present and actual the use are generally the 1.5t left and right, in the situation that water quality is severe less than 1t from the beginning.
At present, washable filter element can effectively increase total water purification amount, extends filter element life, avoids frequently more renew cartridge, reduces consumer's use cost, but the washable filter element developing result is not very desirable at present.
Summary of the invention
For above-mentioned prior art present situation, first technical problem to be solved by this invention is, provides the flushable external-compression type ultra-filtration element assembly that a kind of developing result is good, to increase total water purification amount.
Second technical problem to be solved by this invention is, a kind of water purifier that uses above-mentioned flushable external-compression type ultra-filtration element assembly is provided.
The present invention solves the technical scheme that above-mentioned first technical problem adopts: a kind of flushable external-compression type ultra-filtration element assembly, comprise filter housing and be placed in the filter core in this filter housing, one end of described filter housing is water inlet end, the other end is water side, water inlet end at filter housing is provided with former water general import, be provided with water purification general export and blowdown general export in the water side of filter housing, described filter core comprises and is formed at the water purifying chamber in described filter housing and is placed in the hollow fiber film yarn in this water purifying chamber, be provided with the original water inlet be communicated with described former water general import on the wall of described water purifying chamber, the pure water inlet be communicated with described water purification general export and the blowdown outlet be communicated with described blowdown general export, the mouth of pipe sealing of described hollow fiber film yarn one end, the other end mouth of pipe is communicated with described pure water inlet, described filter core is arranged in described filter housing rotationally.
Therein in embodiment, described filter housing comprises the cylindrical shell of both ends open and is separately positioned on the first end cap and second end cap at these cylindrical shell two ends, cover and be provided with described former water general import at described first end, be provided with water purification general export and blowdown general export on described the second end cap, described filter core is supported on described the first end cap and described the second end cap rotationally by rotating shaft.
Therein in embodiment, described the first end cap and described the second end cap difference pivot bush unit are in the two ends of described cylindrical shell, and be provided with seal member between described the first end cap, described the second end cap and described cylindrical shell two ends, be sealedly connected with respectively the first end socket and the second end socket in described cylindrical shell two ends, described water purifying chamber is formed by described cylinder inboard wall, described the first end socket and described the second end socket, and be provided with described original water inlet on described the first end socket, be provided with described pure water inlet and described blowdown outlet on described the second end socket.
Therein in embodiment, be provided with dividing plate at described the second end socket near in the described cylindrical shell of described the second end cap one side, this dividing plate is divided into the soil chamber near water-purifying cavity and close described second end cap of described the second end socket by the chamber between described the second end socket and described the second end cap, described pure water inlet and described water purification general export are communicated with described water-purifying cavity, and described blowdown outlet and described blowdown general export are communicated with described soil chamber.
Therein in embodiment, described rotating shaft is through described filter core, its two ends are supported in respectively in described former water general import and described water purification general export, and in described rotating shaft, are provided with for being communicated with described former water general import with the intake tunnel of described original water inlet and/or described water purifying chamber with for being communicated with the exhalant canal of described water-purifying cavity and described water purification general export.
Therein in embodiment, described intake tunnel comprises the first centre bore that is positioned at close described the first end cap one side of described the second end socket, the first apopore on described the first center hole wall between described the first end socket and described the first end cap and the second apopore on described the first center hole wall between described the first end socket and described the second end socket, described exhalant canal comprises the second centre bore and the inlet opening on described the second center hole wall between described the second end socket and described dividing plate near described the second end cap one side at described the second end socket, described the first centre bore and described the second centre bore disconnect mutually.
In embodiment, between described the first end cap, described the second end cap and described cylindrical shell two ends, be provided with ball therein.
Therein in embodiment, first top that upwards is provided with at least two oblique layouts week of the described rotating shaft between described the first end socket and described the first end cap revolves drawstring, the end that this first top revolves drawstring is fixed on described the first end socket, and the other end is fixed on described first end and covers; And/or second top that upwards is provided with at least two oblique layouts week of the described rotating shaft between described the second end socket and described the second end cap revolves drawstring, the end that this second top revolves drawstring is fixed on described the second end socket, and the other end is fixed on described the second end cap.
Therein in embodiment, on the described cylinder inboard wall in described water purifying chamber along circumferentially being provided with at least one projection.
The present invention solves the technical scheme that above-mentioned second technical problem adopt: a kind of water purifier, it comprises the described flushable external-compression type ultra-filtration element assembly of at least one above-mentioned any one embodiment.
Compared with prior art, flushable external-compression type ultra-filtration element assembly provided by the present invention, because filter core can rotate, when needs rinse, filter core is rotated, and the current disturbance in filter chamber will be very violent like this, by the pollutant sucking-off on the film silk, be rinsed current and take away, reach the purpose of flushing.Because filth-discharging effect is good, can make the water inventory of crossing of filter core approach 2t, reduce consumer's use cost, can play positive role for the popularization of water purifier.
The accompanying drawing explanation
The perspective view that Fig. 1 is the flushable external-compression type ultra-filtration element assembly in one of them embodiment of the present invention;
The blast structural representation that Fig. 2 is flushable external-compression type ultra-filtration element assembly shown in Fig. 1;
The sectional structure schematic diagram that Fig. 3 is flushable external-compression type ultra-filtration element assembly shown in Fig. 1;
The sectional structure schematic diagram that Fig. 4 is the cylindrical shell of flushable external-compression type ultra-filtration element assembly shown in Fig. 1.
In above each figure, the 100-filter housing, the 110-cylindrical shell, the 111-projection, 120-the first end cap, the former water general import of 121-, 130-the second end cap, 131-water purification general export, 132-blowdown general export, the 200-filter core, 210-the first end socket, the 211-original water inlet, 220-the second end socket, the 221-pure water inlet, 222-blowdown outlet, the 230-hollow fiber film yarn, the 240-rotating shaft, 241-the first centre bore, 242-the first apopore, 243-the second apopore, 244-the second centre bore, the 245-inlet opening, 250-water purifying chamber, the 300-dividing plate, the 310-water-purifying cavity, the 320-soil chamber, the 400-seal member, the 500-ball, 600-the first top revolves drawstring, 700-the second top revolves drawstring.
The specific embodiment
Below with reference to accompanying drawing, also the present invention is described in detail in conjunction with the embodiments.It should be noted that, in the situation that do not conflict, below feature in each embodiment and embodiment can mutually combine.
In one of them embodiment of the present invention, a kind of flushable external-compression type ultra-filtration element assembly is provided, referring to Fig. 1 to Fig. 3, flushable external-compression type ultra-filtration element assembly mainly is comprised of filter housing 100 and filter core 200, one end of described filter housing 100 is water inlet end, the other end is water side, at the water inlet end of filter housing 100, is provided with former water general import 121, is provided with water purification general export 131 and blowdown general export 132 in the water side of filter housing 100.Described filter core 200 is arranged in described filter housing 100 rotationally, it comprises the water purifying chamber 250 be formed in described filter housing 100 and the hollow fiber film yarn 230 be placed in this water purifying chamber 250, the blowdown outlet 222 that is provided with the original water inlet 211 be communicated with described former water general import 121, the pure water inlet 221 be communicated with described water purification general export 131 on the wall of described water purifying chamber 250 and is communicated with described blowdown general export 132, the mouth of pipe sealing of described hollow fiber film yarn 230 1 ends, the other end mouth of pipe is communicated with described pure water inlet 221.
The flushable external-compression type ultra-filtration element assembly that the embodiment of the present invention provides, because filter core 200 can rotate, when needs rinse, filter core 200 is rotated, and the current disturbance in filter chamber will be very violent like this, by the pollutant sucking-off on the film silk, be rinsed current and take away, reach the purpose of flushing.Because filth-discharging effect is good, can make the water inventory of crossing of filter core 200 approach 2t, reduce consumer's use cost, can play positive role for the popularization of water purifier.
Preferably, described filter housing 100 comprises the cylindrical shell 110 of both ends open and is separately positioned on the first end cap 120 and second end cap 130 at these cylindrical shell 110 two ends, be provided with described former water general import 121 on described the first end cap 120, on described the second end cap 130, be provided with water purification general export 131 and blowdown general export 132.
Further preferred, described the first end cap 120 and described the second end cap 130 are distinguished pivot bush units in the two ends of described cylindrical shell 110, and are provided with seal member 400 and ball 500 between described the first end cap 120, described the second end cap 130 and described cylindrical shell 110 two ends.Be sealedly connected with respectively the first end socket 210 and the second end socket 220 in described cylindrical shell 110 two ends, described water purifying chamber 250 is formed by described cylindrical shell 110 inwalls, described the first end socket 210 and described the second end socket 220, and be provided with described original water inlet 211 on described the first end socket 210, be provided with described pure water inlet 221 and described blowdown outlet 222 on described the second end socket 220.Like this, with hand, get final product rotating cylinder 110, rotate thereby drive filter core 200, without drive unit is set in addition.
Preferably, described filter core 200 is supported on described the first end cap 120 and described the second end cap 130 rotationally by rotating shaft 240.Further preferred, in order to make designs simplification, described rotating shaft 240 is through described filter core 200, its two ends are supported in respectively in described former water general import 121 and described water purification general export 131, and in described rotating shaft 240, are provided with for being communicated with described former water general import 121 with the intake tunnel of described original water inlet 211 and described water purifying chamber 250 with for being communicated with the exhalant canal of described pure water inlet 221 and described water purification general export 131.Like this, without on described the first end cap 120 and described the second end cap 130, offering in addition the axis hole coordinated with rotating shaft 240.
If filter core 200 rotates toward a direction always, developing result is still bad.Preferably, first top that upwards is provided with at least two oblique layouts week of the described rotating shaft 240 between described the first end socket 210 and described the first end cap 120 revolves drawstring 600, the end that this first top revolves drawstring 600 is fixed on described the first end socket 210, and the other end is fixed on described the first end cap 120; Second top that upwards is provided with at least two oblique layouts week of the described rotating shaft 240 between described the second end socket 220 and described the second end cap 130 revolves drawstring 700, the end that this second top revolves drawstring 700 is fixed on described the second end socket 220, and the other end is fixed on described the second end cap 130.After adopting this kind of structure, filter core 200 the first top revolve drawstring 600 and the second top revolve under the effect of drawstring 700 clockwise rotate → rotate counterclockwise → clockwise rotate ... ... reciprocating rotation, the current disturbance of filter core 200 inside is more violent, and clean effect is better.
Further preferred, referring to Fig. 4, on described cylindrical shell 110 inwalls in described water purifying chamber 250, edge circumferentially is provided with at least one projection 111.Under the compound disturbance of projection 111, make current form violent whirlpool, by the pollutant sucking-off, improved developing result.
Referring to Fig. 3, further preferred, be provided with dividing plate 300 at described the second end socket 220 near in the described cylindrical shell 110 of described the second end cap 130 1 sides, this dividing plate 300 is divided into the soil chamber 320 near water-purifying cavity 310 and close described second end cap 130 of described the second end socket 220 by the chamber between described the second end socket 220 and described the second end cap 130, described water-purifying cavity 310 is communicated with described pure water inlet 221 and described exhalant canal, and described soil chamber 320 is communicated with described blowdown outlet 222 and described blowdown general export 132.The water purification that filter core 200 is made is collected in water-purifying cavity 310, by water purification general export 131, discharges, and the wastewater collection produced during filter core 200 blowdown, in soil chamber 320, is flowed out by blowdown general export 132.The Main Function of soil chamber 320 is that sewage is focused on to a place, so, water purification and sewage are separated and come, the distance of hollow fiber film yarn and pollutant has strengthened simultaneously, hollow fiber film yarn is away from pollutant, reduced pollutant and refluxed and again pollute the risk of hollow fiber film yarn.
Further preferred, intake tunnel in described rotating shaft comprises the first centre bore 241 that is positioned at described second end socket 220 close described the first end cap 120 1 sides, the first apopore 242 on described the first centre bore 241 walls between described the first end socket 210 and described the first end cap 120 and the second apopore 243 on described the first centre bore 241 walls between described the first end socket 210 and described the second end socket 220, described exhalant canal comprises the second centre bore 244 and the inlet opening 245 on described the second centre bore 244 walls between described the second end socket 220 and described dividing plate 300 that is arranged on described second end socket 220 close described the second end cap 130 1 sides, described the first centre bore 241 and described the second centre bore 244 disconnect mutually.During flushing, it is indoor that running water pours filter core 200 from the original water inlet 211 of the first end socket 210 and the second apopore 243, constantly washes away hollow fiber film yarn 230 outer walls, therefore can reach the effect of filter cartridge flushing 200 preferably.
Preferably, in described flush switch, be mechanical switch.Whole so flushable external-compression type ultra-filtration element assembly does not need to power up the work of getting final product.
In another embodiment of the present invention, provide a kind of water purifier, it comprises the described flushable external-compression type ultra-filtration element assembly of above-described embodiment.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a flushable external-compression type ultra-filtration element assembly, comprise filter housing and be placed in the filter core in this filter housing, one end of described filter housing is water inlet end, the other end is water side, water inlet end at filter housing is provided with former water general import, be provided with water purification general export and blowdown general export in the water side of filter housing, described filter core comprises and is formed at the water purifying chamber in described filter housing and is placed in the hollow fiber film yarn in this water purifying chamber, be provided with the original water inlet be communicated with described former water general import on the wall of described water purifying chamber, the pure water inlet be communicated with described water purification general export and the blowdown outlet be communicated with described blowdown general export, the mouth of pipe sealing of described hollow fiber film yarn one end, the other end mouth of pipe is communicated with described pure water inlet, it is characterized in that, described filter core is arranged in described filter housing rotationally.
2. flushable external-compression type ultra-filtration element assembly according to claim 1, it is characterized in that, described filter housing comprises the cylindrical shell of both ends open and is separately positioned on the first end cap and second end cap at these cylindrical shell two ends, cover and be provided with described former water general import at described first end, be provided with water purification general export and blowdown general export on described the second end cap, described filter core is supported on described the first end cap and described the second end cap rotationally by rotating shaft.
3. flushable external-compression type ultra-filtration element assembly according to claim 2, it is characterized in that, described the first end cap and described the second end cap difference pivot bush unit are in the two ends of described cylindrical shell, and at described the first end cap, be provided with seal member between described the second end cap and described cylindrical shell two ends, be sealedly connected with respectively the first end socket and the second end socket in described cylindrical shell two ends, described water purifying chamber is by described cylinder inboard wall, described the first end socket and described the second end socket form, and be provided with described original water inlet on described the first end socket, be provided with described pure water inlet and described blowdown outlet on described the second end socket.
4. flushable external-compression type ultra-filtration element assembly according to claim 3, it is characterized in that, be provided with dividing plate at described the second end socket near in the described cylindrical shell of described the second end cap one side, this dividing plate is divided into the soil chamber near water-purifying cavity and close described second end cap of described the second end socket by the chamber between described the second end socket and described the second end cap, described pure water inlet and described water purification general export are communicated with described water-purifying cavity, and described blowdown outlet and described blowdown general export are communicated with described soil chamber.
5. flushable external-compression type ultra-filtration element assembly according to claim 4, it is characterized in that, described rotating shaft is through described filter core, its two ends are supported in respectively in described former water general import and described water purification general export, and in described rotating shaft, are provided with for being communicated with described former water general import with the intake tunnel of described original water inlet and/or described water purifying chamber with for being communicated with the exhalant canal of described water-purifying cavity and described water purification general export.
6. flushable external-compression type ultra-filtration element assembly according to claim 5, it is characterized in that, described intake tunnel comprises the first centre bore that is positioned at close described the first end cap one side of described the second end socket, the first apopore on described the first center hole wall between described the first end socket and described the first end cap and the second apopore on described the first center hole wall between described the first end socket and described the second end socket, described exhalant canal comprises the second centre bore and the inlet opening on described the second center hole wall between described the second end socket and described dividing plate near described the second end cap one side at described the second end socket, described the first centre bore and described the second centre bore disconnect mutually.
7. according to the described flushable external-compression type ultra-filtration element assembly of any one in claim 3 to 6, it is characterized in that, between described the first end cap, described the second end cap and described cylindrical shell two ends, be provided with ball.
8. according to the described flushable external-compression type ultra-filtration element assembly of any one in claim 3 to 6, it is characterized in that, first top that upwards is provided with at least two oblique layouts week of the described rotating shaft between described the first end socket and described the first end cap revolves drawstring, the end that this first top revolves drawstring is fixed on described the first end socket, and the other end is fixed on described first end and covers; And/or second top that upwards is provided with at least two oblique layouts week of the described rotating shaft between described the second end socket and described the second end cap revolves drawstring, the end that this second top revolves drawstring is fixed on described the second end socket, and the other end is fixed on described the second end cap.
9. according to the described flushable external-compression type ultra-filtration element assembly of any one in claim 3 to 6, it is characterized in that, on the described cylinder inboard wall in described water purifying chamber, edge circumferentially is provided with at least one projection.
10. a water purifier, is characterized in that: comprise at least one flushable external-compression type ultra-filtration element assembly as in one of claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210179717.8A CN103446891B (en) | 2012-06-01 | 2012-06-01 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210179717.8A CN103446891B (en) | 2012-06-01 | 2012-06-01 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
Publications (2)
| Publication Number | Publication Date |
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| CN103446891A true CN103446891A (en) | 2013-12-18 |
| CN103446891B CN103446891B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210179717.8A Expired - Fee Related CN103446891B (en) | 2012-06-01 | 2012-06-01 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993155A (en) * | 2018-07-20 | 2018-12-14 | 芜湖新瑟安智能科技有限公司 | A kind of membrane separation device |
| JP2019195804A (en) * | 2018-05-07 | 2019-11-14 | ダイセン・メンブレン・システムズ株式会社 | External pressure type hollow fiber membrane module |
| CN110743214A (en) * | 2019-10-22 | 2020-02-04 | 王永强 | Self-purification type filtering device |
| CN114616044A (en) * | 2019-10-10 | 2022-06-10 | 伊康斯博尔公司 | Membrane type gas separator with built-in valve and opening and closing method thereof |
| CN115140805A (en) * | 2022-06-20 | 2022-10-04 | 宁波方太厨具有限公司 | Filter element structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797349Y (en) * | 2005-06-10 | 2006-07-19 | 叶建荣 | Special water purifier for drinking water apparatus |
| CN101422698A (en) * | 2008-11-06 | 2009-05-06 | 姚玉章 | Hollow fiber ultrafiltration micro-filtration membrane module |
-
2012
- 2012-06-01 CN CN201210179717.8A patent/CN103446891B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797349Y (en) * | 2005-06-10 | 2006-07-19 | 叶建荣 | Special water purifier for drinking water apparatus |
| CN101422698A (en) * | 2008-11-06 | 2009-05-06 | 姚玉章 | Hollow fiber ultrafiltration micro-filtration membrane module |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019195804A (en) * | 2018-05-07 | 2019-11-14 | ダイセン・メンブレン・システムズ株式会社 | External pressure type hollow fiber membrane module |
| JP7175578B2 (en) | 2018-05-07 | 2022-11-21 | ダイセン・メンブレン・システムズ株式会社 | External pressure type hollow fiber membrane module |
| CN108993155A (en) * | 2018-07-20 | 2018-12-14 | 芜湖新瑟安智能科技有限公司 | A kind of membrane separation device |
| CN114616044A (en) * | 2019-10-10 | 2022-06-10 | 伊康斯博尔公司 | Membrane type gas separator with built-in valve and opening and closing method thereof |
| CN110743214A (en) * | 2019-10-22 | 2020-02-04 | 王永强 | Self-purification type filtering device |
| CN110743214B (en) * | 2019-10-22 | 2021-07-30 | 王永强 | Self-purification type filtering device |
| CN115140805A (en) * | 2022-06-20 | 2022-10-04 | 宁波方太厨具有限公司 | Filter element structure |
| CN115140805B (en) * | 2022-06-20 | 2023-09-15 | 宁波方太厨具有限公司 | Filter element structure |
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| Publication number | Publication date |
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| CN103446891B (en) | 2015-11-18 |
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