CN103446887A - Flushable external pressure type ultrafiltration filter core assembly and water purifier - Google Patents

Flushable external pressure type ultrafiltration filter core assembly and water purifier Download PDF

Info

Publication number
CN103446887A
CN103446887A CN2012101795079A CN201210179507A CN103446887A CN 103446887 A CN103446887 A CN 103446887A CN 2012101795079 A CN2012101795079 A CN 2012101795079A CN 201210179507 A CN201210179507 A CN 201210179507A CN 103446887 A CN103446887 A CN 103446887A
Authority
CN
China
Prior art keywords
water
water inlet
filter housing
filtration element
compression type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012101795079A
Other languages
Chinese (zh)
Other versions
CN103446887B (en
Inventor
刘赢群
王彤
杨勇
李松
刘晓辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201210179507.9A priority Critical patent/CN103446887B/en
Publication of CN103446887A publication Critical patent/CN103446887A/en
Application granted granted Critical
Publication of CN103446887B publication Critical patent/CN103446887B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a flushable external pressure type ultrafiltration filter core assembly and a water purifier. The ultrafiltration filter core assembly comprises a filter shell and a filter core arranged in the filter shell, a raw water total inlet is arranged at the water inlet end of the filter shell, a purified water total outlet and a dirt total outlet are arranged at the water outlet end of the filter shell, the filter core comprises a water purifying chamber formed in the filter shell and hollow fiber ultrafiltration membrane filaments placed in the purifying chamber, a purified water outlet and a dirt outlet are arranged on a wall of the water purifying chamber, a tube port at one end of the hollow fiber ultrafiltration membrane filaments is sealed, a tube port at the other end of the hollow fiber ultrafiltration membrane filaments is communicated with the purified water outlet, the filter core also comprises a water inlet tube arranged in the water purifying chamber and having an opened end and a sealed end, the opened end of the water inlet tube is fixed on the wall of the water purifying chamber and is communicated with the raw water total inlet, and one or more water inlet holes arrayed along the hollow fiber ultrafiltration membrane filaments are arranged on the tube wall of the water inlet tube. The flushable external pressure type ultrafiltration filter core assembly has a good flushing effect and can effectively increase the total purified water amount.

Description

Flushable external-compression type ultra-filtration element assembly and water purifier
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, reduce consumer's use cost, but developing result is not very desirable.
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 pure water inlet be communicated with described water purification general export and the blowdown be communicated with described blowdown general export outlet on the wall of described water purifying chamber, 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 also comprises the end opening be arranged in described water purifying chamber, the water inlet pipe of other end sealing, the openend of this water inlet pipe is fixed on the wall of described water purifying chamber, and be communicated with described former water general import, be provided with one or more inlet openings of arranging along described hollow fiber film yarn on the tube wall of this water inlet pipe.
In embodiment, described water inlet pipe is axially disposed within the central authorities of described water purifying chamber along described filter housing therein.
Therein in embodiment, described filter core also comprises the inner barrel of the both ends open axially arranged along described filter housing, be sealedly connected with respectively the first end socket and the second end socket at the two ends of this inner barrel, surround described water purifying chamber by described inner barrel inwall, described the first end socket and described the second end socket, the openend of described water inlet pipe is fixed on described the first end socket, be provided with original water inlet on described inner barrel, be provided with described pure water inlet and described blowdown outlet on described the second end socket.
In embodiment, described original water inlet is a plurality of therein, and a plurality of original water inlets are distributed on described inner barrel.
In embodiment, described hollow fiber film yarn axially arranges along described filter housing therein, and its two ends are separately fixed on described the first end socket and described the second end socket.
In embodiment, described the first end socket and described the second end socket form by epoxy resin cure therein.
In embodiment, between the end cap of described the second end socket and described filter housing water side, be formed with water-purifying cavity therein, described pure water inlet and described water purification general export all are communicated with described water-purifying cavity.
Therein in embodiment, described filter housing comprises anti-swollen outer cylinder body, the first end cap and second end cap of both ends open, described the first end cap and described the second end cap lay respectively in described outer cylinder body two ends, and be socketed on respectively the outside at described inner barrel 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.
In embodiment, in described blowdown general export, place is equipped with the mechanical type flush switch therein.
Therein in embodiment, described element kit also comprises the cylindrical case of both ends open, be provided with inwardly outstanding step-like bulge loop at this shell both ends open place, described filter housing is contained in described shell, and the circumferential lateral surface of described the first end cap and described the second end cap is step-like for what match with described bulge loop.
The present invention solves the technical scheme that above-mentioned second technical problem adopt: a kind of water purifier, it comprises the flushable external-compression type ultra-filtration element assembly that at least one is above-mentioned.
Compared with prior art, flushable external-compression type ultra-filtration element assembly provided by the present invention, by water inlet pipe, intake, owing on water inlet pipe, along hollow fiber film yarn, being provided with a plurality of inlet openings, therefore in water inlet beginning and water process processed, the hollow fiber film yarn outer wall is all washed away in water inlet constantly, therefore can reach the effect of filter cartridge flushing preferably.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 sectional structure schematic diagram that Fig. 1 is the flushable external-compression type ultra-filtration element assembly in one of them embodiment of the present invention.
In upper figure, 100-filter housing, 110-outer cylinder body, 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-inner barrel, 211-original water inlet, 220-the first end socket, 230-the second end socket, 231-blowdown outlet, 240-hollow fiber film yarn, 250-water purifying chamber, the 260-water inlet pipe, 261-inlet opening, 300-water purifying chamber, the 400-flush switch, 500-shell, 510-bulge loop.
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, provide a kind of flushable external-compression type ultra-filtration element 200 assemblies, referring to Fig. 1, flushable external-compression type ultra-filtration element 200 assemblies mainly are comprised of filter housing 100 and the filter cores 200 that are placed in filter housing 100.
One end of described filter housing 100 is water inlet end, and 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 housing 100 comprises anti-swollen outer cylinder body 110, the first end cap 120 and the second end cap 130, one end opening of described outer cylinder body 110 and described filter housing 100 water inlet end homonymies, and be connected to described the first end cap 120 in this end outer cover, be provided with described former water general import 121 on described the first end cap 120, described outer cylinder body 110 is connected with described the second end socket 230 with an end of described filter housing 100 water side homonymies, and be connected to described the second end cap 130 in this end outer cover, be provided with water purification general export 131 and blowdown general export 132 on described the second end cap 130.
Described filter core 200 comprises the water purifying chamber 250 be formed in described filter housing 100 and the hollow fiber film yarn 240 and the water inlet pipe 260 that are placed in this water purifying chamber 250, be provided with the pure water inlet (not shown on figure) be communicated with described water purification general export 131 and the blowdown be communicated with described blowdown general export 132 outlet 231 on the wall of described water purifying chamber 250, the mouth of pipe sealing of described hollow fiber film yarn 240 1 ends, the other end mouth of pipe is communicated with described pure water inlet, one end opening of described water inlet pipe 260, other end sealing, the openend of this water inlet pipe 260 is fixed on described the first end socket 220, and be communicated with described former water general import 121, be provided with one or more inlet openings 261 of arranging along described hollow fiber film yarn 240 on the tube wall of this water inlet pipe 260.
Flushable external-compression type ultra-filtration element 200 assemblies that the embodiment of the present invention provides, by water inlet pipe 260 water inlets, owing on water inlet pipe 260, along hollow fiber film yarn 240, being provided with a plurality of inlet openings 261, therefore in water inlet beginning and water process processed, hollow fiber film yarn 240 outer walls are all washed away in water inlet constantly, therefore can reach the effect of filter cartridge flushing 200 preferably.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 water inlet pipe 260 is axially disposed within the central authorities of described water purifying chamber 250 along described filter housing 100.
Preferably, described filter core 200 also comprises the inner barrel 210 of the both ends open axially arranged along described filter housing 100, be sealedly connected with respectively the first end socket 220 and the second end socket 230 at the two ends of this inner barrel 210, surround described water purifying chamber 250 by described inner barrel 210 inwalls, described the first end socket 220 and described the second end socket 230, be provided with original water inlet 211 on described inner barrel 210, be provided with described pure water inlet and described blowdown outlet 231 on described the second end socket 230.Further preferred, described original water inlet 211 is a plurality of, and a plurality of original water inlets 211 are distributed on described inner barrel 210.Like this, the original water inlet 211 of part of running water from inner barrel 210 enters,, therefore water inlet is all washed away hollow fiber film yarn 240 outer walls constantly in water inlet beginning and water process processed, further improved the effect of filter cartridge flushing 200.
Preferably, described hollow fiber film yarn 240 axially arranges along described filter housing, and its two ends are separately fixed on described the first end socket 220 and described the second end socket 230.
Preferably, described the first end socket 220 and described the second end socket 230 form by epoxy resin cure.Utilize epoxy resin that hollow fiber film yarn 250 is blocked near the mouth of pipe of water inlet end.
Preferably, between an end of described outer cylinder body 110 and described filter housing water side homonymy and described the second end cap 130, be formed with water-purifying cavity 300, described pure water inlet and described water purification general export 131 are communicated with described water-purifying cavity 300.
In described blowdown general export, 132 places are equipped with mechanical type flush switch 400, and whole so flushable external-compression type ultra-filtration element 200 assemblies do not need to power up the work of getting final product.
Preferably, element kit also comprises the cylindrical case 500 of both ends open, be provided with inwardly outstanding step-like bulge loop 51 at these shell 500 both ends open places, described filter housing 100 is contained in described shell 500, and the circumferential lateral surface of described the first end cap 120 and described the second end cap 130 is step-like for what match with described bulge loop 510.
In another embodiment of the present invention, provide a kind of water purifier, it comprises described flushable external-compression type ultra-filtration element 200 assemblies 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 (11)

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 pure water inlet be communicated with described water purification general export and the blowdown be communicated with described blowdown general export outlet on the wall of described water purifying chamber, 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 also comprises the end opening be arranged in described water purifying chamber, the water inlet pipe of other end sealing, the openend of this water inlet pipe is fixed on the wall of described water purifying chamber, and be communicated with described former water general import, be provided with one or more inlet openings of arranging along described hollow fiber film yarn length direction on the tube wall of this water inlet pipe.
2. flushable external-compression type ultra-filtration element assembly according to claim 1, is characterized in that, described water inlet pipe is axially disposed within the central authorities of described water purifying chamber along described filter housing.
3. flushable external-compression type ultra-filtration element assembly according to claim 1, it is characterized in that, described filter core also comprises the inner barrel of the both ends open axially arranged along described filter housing, be sealedly connected with respectively the first end socket and the second end socket at the two ends of this inner barrel, surround described water purifying chamber by described inner barrel inwall, described the first end socket and described the second end socket, the openend of described water inlet pipe is fixed on described the first end socket, be provided with original water inlet on described inner barrel, 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, is characterized in that, described original water inlet is a plurality of, and a plurality of described original water inlets are distributed on described inner barrel.
5. flushable external-compression type ultra-filtration element assembly according to claim 3, is characterized in that, described hollow fiber film yarn axially arranges along described filter housing, and its two ends are separately fixed on described the first end socket and described the second end socket.
6. flushable external-compression type ultra-filtration element assembly according to claim 3, is characterized in that, described the first end socket and described the second end socket form by epoxy resin cure.
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, described filter housing comprises anti-swollen outer cylinder body, the first end cap and the second end cap, one end opening of described outer cylinder body and described filter housing water inlet end homonymy, and be connected to described the first end cap in this end outer cover, cover and be provided with described former water general import at described first end, described outer cylinder body is connected with described the second end socket with an end of described filter housing water side homonymy, and be connected to described the second end cap in this end outer cover, be provided with water purification general export and blowdown general export on described the second end cap.
8. flushable external-compression type ultra-filtration element assembly according to claim 7, it is characterized in that, be formed with water-purifying cavity between one end of described outer cylinder body and described filter housing water side homonymy and described the second end cap, described pure water inlet and described water purification general export are communicated with described water-purifying cavity.
9. flushable external-compression type ultra-filtration element assembly according to claim 7, is characterized in that, in described blowdown general export, place is equipped with the mechanical type flush switch.
10. flushable external-compression type ultra-filtration element assembly according to claim 7, it is characterized in that, the cylindrical case that also comprises both ends open, be provided with inwardly outstanding step-like bulge loop at this shell both ends open place, described filter housing is contained in described shell, and the circumferential lateral surface of described the first end cap and described the second end cap is step-like for what match with described bulge loop.
11. a water purifier is characterized in that: comprise at least one flushable external-compression type ultra-filtration element assembly as described as any one in claim 1 to 10.
CN201210179507.9A 2012-06-01 2012-06-01 Flushable external pressure type ultrafiltration filter core assembly and water purifier Active CN103446887B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210179507.9A CN103446887B (en) 2012-06-01 2012-06-01 Flushable external pressure type ultrafiltration filter core assembly and water purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210179507.9A CN103446887B (en) 2012-06-01 2012-06-01 Flushable external pressure type ultrafiltration filter core assembly and water purifier

Publications (2)

Publication Number Publication Date
CN103446887A true CN103446887A (en) 2013-12-18
CN103446887B CN103446887B (en) 2016-04-13

Family

ID=49729968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210179507.9A Active CN103446887B (en) 2012-06-01 2012-06-01 Flushable external pressure type ultrafiltration filter core assembly and water purifier

Country Status (1)

Country Link
CN (1) CN103446887B (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105268322A (en) * 2015-11-12 2016-01-27 珠海格力电器股份有限公司 Ultrafiltration membrane filter element device and water purifier including same
CN106232211A (en) * 2014-02-19 2016-12-14 巴斯夫欧洲公司 Filter element
CN106542664A (en) * 2016-10-27 2017-03-29 珠海格力电器股份有限公司 Auto-flushing water cleaning systems, water purifier and control method
CN106705413A (en) * 2015-09-30 2017-05-24 艾欧史密斯(中国)热水器有限公司 Water heater
CN106745408A (en) * 2017-01-23 2017-05-31 浙江腾荣环保科技有限公司 A kind of tubaeform tub filter
CN107335338A (en) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 A kind of putamina, inner core of filter element and water purifier filter core
CN107337290A (en) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 One kind is without pump water cleaning systems and water purifier
CN107335339A (en) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 Filter element cleaning structure and there is its water purifier filter core
CN107344767A (en) * 2017-07-25 2017-11-14 珠海格力电器股份有限公司 A kind of water cleaning systems and water purifier
CN107349795A (en) * 2017-07-25 2017-11-17 珠海格力电器股份有限公司 Filter element cleaning structure and there is its water purifier filter core
CN107398180A (en) * 2016-05-18 2017-11-28 余姚市亚东塑业有限公司 Filter core for ultra-filtration water purifier
CN107433138A (en) * 2017-07-25 2017-12-05 珠海格力电器股份有限公司 Filter element cleaning structure and there is its water purifier filter core
CN107875857A (en) * 2017-12-19 2018-04-06 江苏恒玮环保设备有限公司 A kind of water inlet end sealing structure applied to Microfilter
CN108686423A (en) * 2018-07-19 2018-10-23 圣帝尼科技环保有限公司 A kind of fiberglass water purifier
CN110234419A (en) * 2017-01-31 2019-09-13 东丽株式会社 Hollow fiber film assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11169674A (en) * 1997-12-11 1999-06-29 Nitto Denko Corp Header for external pressure type hollow fiber membrane module and external pressure type hollow fiber module
CN2834680Y (en) * 2005-12-20 2006-11-08 肖梓宇 Direct-flushing central water catchment type hollow fiber ultra-filtering core
CN101422698A (en) * 2008-11-06 2009-05-06 姚玉章 Hollow fiber ultrafiltration micro-filtration membrane module
US7648633B2 (en) * 2006-03-16 2010-01-19 Shanghai Litree Purifying Equipment Co., Ltd. Hollow fibre membrane module with a fixed structure
CN101716467A (en) * 2010-01-15 2010-06-02 湖州富优得膜分离科技有限公司 Hollow fiber filtration component
CN201862365U (en) * 2010-08-19 2011-06-15 苏州立升净水科技有限公司 Flow guide type hollow-fibre membrane component and filtering equipment comprising same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11169674A (en) * 1997-12-11 1999-06-29 Nitto Denko Corp Header for external pressure type hollow fiber membrane module and external pressure type hollow fiber module
CN2834680Y (en) * 2005-12-20 2006-11-08 肖梓宇 Direct-flushing central water catchment type hollow fiber ultra-filtering core
US7648633B2 (en) * 2006-03-16 2010-01-19 Shanghai Litree Purifying Equipment Co., Ltd. Hollow fibre membrane module with a fixed structure
CN101422698A (en) * 2008-11-06 2009-05-06 姚玉章 Hollow fiber ultrafiltration micro-filtration membrane module
CN101716467A (en) * 2010-01-15 2010-06-02 湖州富优得膜分离科技有限公司 Hollow fiber filtration component
CN201862365U (en) * 2010-08-19 2011-06-15 苏州立升净水科技有限公司 Flow guide type hollow-fibre membrane component and filtering equipment comprising same

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106232211A (en) * 2014-02-19 2016-12-14 巴斯夫欧洲公司 Filter element
CN106705413A (en) * 2015-09-30 2017-05-24 艾欧史密斯(中国)热水器有限公司 Water heater
CN105268322A (en) * 2015-11-12 2016-01-27 珠海格力电器股份有限公司 Ultrafiltration membrane filter element device and water purifier including same
CN107398180A (en) * 2016-05-18 2017-11-28 余姚市亚东塑业有限公司 Filter core for ultra-filtration water purifier
CN106542664A (en) * 2016-10-27 2017-03-29 珠海格力电器股份有限公司 Auto-flushing water cleaning systems, water purifier and control method
CN106745408A (en) * 2017-01-23 2017-05-31 浙江腾荣环保科技有限公司 A kind of tubaeform tub filter
CN110234419B (en) * 2017-01-31 2021-09-24 东丽株式会社 Hollow fiber membrane module
CN110234419A (en) * 2017-01-31 2019-09-13 东丽株式会社 Hollow fiber film assembly
CN107344767A (en) * 2017-07-25 2017-11-14 珠海格力电器股份有限公司 A kind of water cleaning systems and water purifier
CN107349795A (en) * 2017-07-25 2017-11-17 珠海格力电器股份有限公司 Filter element cleaning structure and there is its water purifier filter core
CN107335339A (en) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 Filter element cleaning structure and there is its water purifier filter core
CN107433138A (en) * 2017-07-25 2017-12-05 珠海格力电器股份有限公司 Filter element cleaning structure and there is its water purifier filter core
CN107337290A (en) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 One kind is without pump water cleaning systems and water purifier
CN107335338A (en) * 2017-07-25 2017-11-10 珠海格力电器股份有限公司 A kind of putamina, inner core of filter element and water purifier filter core
CN107875857A (en) * 2017-12-19 2018-04-06 江苏恒玮环保设备有限公司 A kind of water inlet end sealing structure applied to Microfilter
CN108686423A (en) * 2018-07-19 2018-10-23 圣帝尼科技环保有限公司 A kind of fiberglass water purifier

Also Published As

Publication number Publication date
CN103446887B (en) 2016-04-13

Similar Documents

Publication Publication Date Title
CN103446887B (en) Flushable external pressure type ultrafiltration filter core assembly and water purifier
CN103463983A (en) Flushable outside-in ultra-filtration core assembly and water purifier
CN102671546A (en) Reverse osmosis filtering device
CN211770594U (en) Multistage integrated form composite filter core
CN103446890B (en) Flushable external pressure type ultrafiltration filter core assembly, its purging method and water purifier
CN202725039U (en) Flushable external pressure type ultra-filter element assembly and water purifier
CN103446891B (en) Flushable external pressure type ultrafiltration filter core assembly and water purifier
CN211339044U (en) Novel large-flux four-in-one filter element structure
CN202638279U (en) Reverse osmosis filter device
CN205472995U (en) Novel high -efficient water purifier
CN103446889A (en) Flushable external pressure type ultrafiltration filter core assembly and water purifier
CN110723833A (en) Novel large-flux four-in-one filter element structure
CN103463980A (en) Flushable outside-in ultra-filtration core assembly and water purifier
CN202569963U (en) Washable external-pressure type ultrafiltration filter element assembly and water purifier
CN103446888B (en) Flushable external pressure type ultrafiltration filter core assembly and water purifier
CN202569961U (en) Washable external-press type ultra-filtration filter core assembly and water purifier
CN104860419A (en) Pot type water purifying machine and water purifying machine system
CN103446886B (en) Flushable external pressure type ultrafiltration filter core assembly and water purifier
CN210214993U (en) Improved structure of filter element of water purifier
CN103979691B (en) A kind of household water filter of multi-stage filter
CN211198815U (en) Take reverse osmosis's five unification composite filter
CN104307371A (en) Simple domestic membrane-water treatment purifier
CN207957930U (en) Integrated form plate of water route water purifier
CN202569962U (en) Washable external pressure type ultrafiltration filter cartridge assembly and water purifier
CN202700373U (en) Flushable external pressure type ultrafiltration filter element assembly and water purifier

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant