CN103446890B - Flushable external pressure type ultrafiltration filter element assembly, flushing method thereof and water purifier - Google Patents

Flushable external pressure type ultrafiltration filter element assembly, flushing method thereof and water purifier Download PDF

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Publication number
CN103446890B
CN103446890B CN201210179723.3A CN201210179723A CN103446890B CN 103446890 B CN103446890 B CN 103446890B CN 201210179723 A CN201210179723 A CN 201210179723A CN 103446890 B CN103446890 B CN 103446890B
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China
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water
outlet
external pressure
inlet
filter housing
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CN103446890A (en
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董情
王彤
杨勇
李松
刘赢群
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

本发明公开了一种可冲洗外压式超滤滤芯组件,包括滤壳和置于该滤壳内的滤芯,在滤壳的进水端设置有原水总进口,在滤壳的出水端设置有净水总出口和排污总出口,滤芯包括形成于滤壳内的净水室和置于该净水室内的中空纤维超滤膜丝,净水室的壁上设置有与原水总进口连通的原水进口、与净水总出口连通的净水出口和与排污总出口连通的排污出口,中空纤维超滤膜丝一端的管口封闭,另一端管口与净水出口连通,在滤壳的进水端还设置有与净水室相连通的第一进气口。本发明所提供的可冲洗外压式超滤滤芯组件,冲洗效果好,能有效的增加总净水量。同时,本发明还公开了一种使用上述可冲洗外压式超滤滤芯组件的净水器及其冲洗方法。

The invention discloses a flushable external pressure ultrafiltration filter element assembly, which comprises a filter shell and a filter element placed in the filter shell, a raw water main inlet is arranged at the water inlet end of the filter shell, and a The main outlet of water purification and the main outlet of sewage discharge. The filter element includes a water purification chamber formed in the filter shell and a hollow fiber ultrafiltration membrane filament placed in the water purification chamber. The wall of the water purification chamber is provided with a raw water outlet connected to the raw water main inlet. The inlet, the clean water outlet connected to the main clean water outlet, and the sewage outlet connected to the sewage main outlet, the nozzle at one end of the hollow fiber ultrafiltration membrane filament is closed, the other end of the nozzle is connected to the clean water outlet, and the water inlet of the filter shell The end is also provided with a first air inlet communicating with the water purification chamber. The flushable external pressure ultrafiltration element assembly provided by the present invention has good flushing effect and can effectively increase the total water purification volume. At the same time, the invention also discloses a water purifier using the flushable external pressure ultrafiltration element assembly and a flushing method thereof.

Description

Flushable external pressure type ultrafiltration filter core assembly, its purging method and water purifier
Technical field
The present invention relates to water treatment facilities, particularly relate to a kind of Flushable external pressure type ultrafiltration filter core assembly, and the purging method of Flushable external pressure type ultrafiltration filter core assembly, and use the water purifier of this Flushable external pressure type ultrafiltration filter core assembly.
Background technology
Current ultra-filtration element divides inner pressed and external-compression type two kinds.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 guarantee.The danger that external-compression type ultra-filtration element does not have film silk to rupture, but do not possess flushable structure, or need to add recoil valve, adds and automatically controlledly just can to rinse, and only need water pressure enough during milipore filter work, power up and seem very burdensome.
The country such as the more American-European Japan and Korea S of water quality of China is poor, impurities in water more than Japan and other countries about 30%, 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 use are generally about 1.5t, when water quality is severe from the beginning less than 1t.
At present, washable filter element effectively can increase total water purification amount, extends filter element life, avoid frequent more renew cartridge, reduce consumer's use cost, but ultrafiltration membrane filter element has dead angle, the developing result that can not reach in the process of rinsing 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 pressure type ultrafiltration filter core 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, provides a kind of water purifier using above-mentioned Flushable external pressure type ultrafiltration filter core assembly.
3rd technical problem to be solved by this invention is, provides a kind of purging method using above-mentioned Flushable external pressure type ultrafiltration filter core assembly.
The present invention solves the technical scheme that above-mentioned first technical problem adopt: a kind of Flushable external pressure type ultrafiltration filter core 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, the water inlet end of filter housing is provided with former water general import, water purification general export and blowdown general export is provided with in the water side of filter housing, described filter core comprises the water purifying chamber be formed in described filter housing and the hollow fiber film yarn be placed in this water purifying chamber, the wall of described water purifying chamber is provided with the original water inlet be communicated with described former water general import, the pure water inlet be communicated with described water purification general export and the waste be communicated with described blowdown general export, the mouth of pipe of described hollow fiber film yarn one end is closed, the other end mouth of pipe is communicated with described pure water inlet, the first air inlet be connected with described water purifying chamber is also provided with at the water inlet end of described filter housing.
Wherein in an embodiment, the first end socket and the second end socket is sealedly connected with respectively in the water inlet end and water side of described filter housing, described water purifying chamber is surrounded by described filter housing inwall, described first end socket and described second end socket, and the second air inlet being provided with described original water inlet and being communicated with described first air inlet on described first end socket, described second end socket is provided with described pure water inlet and described waste.
Wherein in an embodiment, described hollow fiber film yarn is axially arranged along described filter housing, and its two ends are separately fixed on described first end socket and described second end socket.
Wherein in an embodiment, described original water inlet and described waste eccentric setting.
Wherein in an embodiment, described first end socket and described second end socket are formed by epoxy resin cure.
Wherein in an embodiment, between described second end socket and the end cap of described filter housing water side, be provided with dividing plate, form water-purifying cavity between this dividing plate and described second end socket, described pure water inlet is communicated with described water-purifying cavity with described water purification general export.
Wherein in an embodiment, described filter housing comprises the anti-swollen cylindrical shell of both ends open and is socketed in the first end cap and second end cap of this outside, cylindrical shell two ends respectively, cover at described first end and be provided with described former water general import, described second end cap is provided with water purification general export and blowdown general export.
Wherein in an embodiment, at described blowdown general export place, mechanical type flush switch is installed.
The present invention solves the technical scheme that above-mentioned second technical problem adopt: a kind of water purifier, it comprises the Flushable external pressure type ultrafiltration filter core assembly at least one above-described embodiment described in any one.
The present invention solves above-mentioned 3rd technical scheme that technical problem adopts: a kind of purging method of Flushable external pressure type ultrafiltration filter core assembly, it comprises the steps: to open described former water general import, described first air inlet and described blowdown general export, while passing into running water, pass into Compressed Gas by described first air inlet.
Compared with prior art, Flushable external pressure type ultrafiltration filter core assembly provided by the present invention and purging method thereof, Compressed Gas air inlet is increased at filter housing water inlet end, when needs rinse, open former water general import, first air inlet and blowdown general export, Compressed Gas is passed into while passing into running water, the mixed liquid of Compressed Gas and water can remove film silk surface contaminant in the hollow fiber film yarn violent motion in surface, make pollutant washed away, major part current are flowed out by blowdown general export, take away sewage, reach better developing result, after pollutant is flushed, the water-making ability of milipore filter is recovered, therefore such design can allow ultrafiltration membrane filter element produce good developing result, because filth-discharging effect is good, by constantly cleaning ultra-filtration element, ultra-filtration element can be made to cross water inventory and to approach 2t, reduce consumer's use cost, popularization for water purifier can play positive role.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the Flushable external pressure type ultrafiltration filter core assembly in one of them embodiment of the present invention;
Fig. 2 is the sectional structure schematic diagram of the assembly of Flushable external pressure type ultrafiltration filter core shown in Fig. 1.
Above in each figure, 100-filter housing, 110-cylindrical shell, 120-first end cap, the former water general import of 121-, 122-first air inlet, 130-second end cap, 131-water purification general export, 132-blowdown general export, 200-filter core, 210-first end socket, 211-original water inlet, 212-second air inlet, 220-second end socket, 221-pure water inlet, 222-waste, 230-hollow fiber film yarn, 240-water purifying chamber, 300-dividing plate, 310-water-purifying cavity, 400-flush switch.
Detailed description of the invention
And the present invention is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
In one of them embodiment of the present invention, provide a kind of Flushable external pressure type ultrafiltration filter core assembly, see Fig. 1 and Fig. 2, the filter core 200 that the Flushable external pressure type ultrafiltration filter core assembly in the present embodiment comprises filter housing 100 and is placed in filter housing 100.
One end of described filter housing 100 is water inlet end, and the other end is water side, the water inlet end of filter housing 100 is provided with former water general import 121 and the first air inlet 122, is provided with water purification general export 131 and blowdown general export 132 in the water side of filter housing 100.Preferably, the filter housing 100 of the present embodiment comprises the anti-swollen cylindrical shell 110 of both ends open, is socketed in the first end cap 120 and the second end cap 130 of this outside, cylindrical shell 110 two ends respectively, described first end cap 120 is provided with described former water general import 121, described second end cap 130 is provided with water purification general export 131 and blowdown general export 132.
Described filter core 200 comprises the water purifying chamber 240 be formed in described filter housing 100 and the many hollow fiber film yarns 230 be placed in this water purifying chamber 240, the waste 222 wall of described water purifying chamber 240 being 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 and being communicated with described blowdown general export 132, the mouth of pipe of described hollow fiber film yarn 230 one end is closed, and the other end mouth of pipe is communicated with described pure water inlet 221.Running water enters in water purifying chamber 240 from former water general import 121, original water inlet 211, under the pressure effect of running water, hydrone through hollow fiber film yarn 230, and flows to water side by pipe in film silk, and it is inner that impurity is then blocked in water purifying chamber 240 by hollow fiber film yarn 230.When rinsing, flush switch 400 is opened, and because waste resistance is few, hollow fiber film yarn 230 resistance is large, and most of current are gone out by waste, take away the impurity that water processed stays, and reach the effect of washing hollow-fiber ultrafiltration membrane filaments 230.
The Flushable external pressure type ultrafiltration filter core assembly that the embodiment of the present invention provides, owing to adding Compressed Gas air inlet at filter housing 100 water inlet end, when needs rinse, open former water general import 121, first air inlet 122 and blowdown general export 132, Compressed Gas (being preferably compressed air) is passed into while passing into running water, the mixed liquid of Compressed Gas and water can remove film silk surface contaminant in the hollow fiber film yarn 230 violent motion in surface, make pollutant washed away, major part current are flowed out by blowdown general export 132, take away sewage, reach better developing result, after pollutant is flushed, the water-making ability of milipore filter is recovered, therefore such design can allow ultrafiltration membrane filter element 200 produce good developing result, because filth-discharging effect is good, by constantly cleaning ultra-filtration element 200, ultra-filtration element 200 can be made to cross water inventory and to approach 2t, reduce consumer's use cost, popularization for water purifier can play positive role.
Preferably, the first end socket 210 and the second end socket 220 is sealedly connected with respectively in the water inlet end and water side of described filter housing 100, described water purifying chamber 240 is surrounded by described filter housing 100 inwall, described first end socket 210 and described second end socket 220, and the second air inlet 212 being provided with described original water inlet 211 and being communicated with described first air inlet 122 on described first end socket 210, described second end socket 220 is provided with described pure water inlet 221 and described waste 222.
Preferably, described hollow fiber film yarn 230 is axially arranged along described filter housing, and its two ends are separately fixed on described first end socket 210 and described second end socket 220.
Preferably, described original water inlet 211 and described waste 222 eccentric setting, to reach the object of fully rinsing.
Preferably, described first end socket 210 and described second end socket 220 are formed by epoxy resin cure.Epoxy resin is utilized to be blocked by the mouth of pipe of hollow fiber film yarn 250 near water inlet end.
Preferably, dividing plate 300 is provided with between described second end socket 220 and described filter housing 100 second end cap 130, form water-purifying cavity 310 between this dividing plate 300 and second end socket 220, described pure water inlet 221 is communicated with described water-purifying cavity 310 with described water purification general export 131.The water purification that filter core 200 is made is collected in water-purifying cavity 310, is discharged by water purification general export 131.
Preferably, be mechanical switch in described flush switch 400, whole like this Flushable external pressure type ultrafiltration filter core 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 pressure type ultrafiltration filter core assembly of above-described embodiment.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 (9)

1.一种可冲洗外压式超滤滤芯组件,包括滤壳和置于该滤壳内的滤芯,所述滤壳的一端为进水端,另一端为出水端,在滤壳的进水端设置有原水总进口,在滤壳的出水端设置有净水总出口和排污总出口,所述滤芯包括形成于所述滤壳内的净水室和置于该净水室内的中空纤维超滤膜丝,所述净水室的壁上设置有与所述原水总进口连通的原水进口、与所述净水总出口连通的净水出口和与所述排污总出口连通的排污出口,所述中空纤维超滤膜丝一端的管口封闭,另一端管口与所述净水出口连通;其特征在于,在所述滤壳的进水端还设置有与所述净水室相连通的第一进气口,且所述第一进气口的进气方向和所述中空纤维超滤膜丝的轴向平行,在所述滤壳的进水端和出水端内分别密封连接有第一封头和第二封头,由所述滤壳内壁、所述第一封头和所述第二封头围成所述净水室,且在所述第一封头上设置有所述原水进口和与所述第一进气口连通的第二进气口,在所述第二封头上设置有所述净水出口和所述排污出口。1. A flushable external pressure type ultrafiltration filter element assembly, comprising a filter housing and a filter element placed in the filter housing, one end of the filter housing is the water inlet, and the other end is the water outlet, at the water inlet of the filter housing There is a main raw water inlet at the end of the filter housing, and a main water purification outlet and a sewage discharge main outlet are provided at the water outlet of the filter housing. The filter element includes a water purification chamber formed in the filter housing and a hollow fiber ultra- filter membrane wire, the wall of the water purification chamber is provided with a raw water inlet connected to the total raw water inlet, a clean water outlet connected to the total purified water outlet, and a sewage outlet connected to the total sewage discharge outlet, so The nozzle at one end of the hollow fiber ultrafiltration membrane silk is closed, and the nozzle at the other end is communicated with the outlet of the water purification; The first air inlet, and the air inlet direction of the first air inlet is parallel to the axial direction of the hollow fiber ultrafiltration membrane wire, and the water inlet end and the water outlet end of the filter housing are respectively sealed and connected with the first air inlet. A head and a second head, the water purification chamber is surrounded by the inner wall of the filter housing, the first head and the second head, and the first head is provided with the The raw water inlet and the second air inlet communicated with the first air inlet, and the clean water outlet and the sewage outlet are arranged on the second sealing head. 2.根据权利要求1所述的可冲洗外压式超滤滤芯组件,其特征在于,所述中空纤维超滤膜丝沿所述滤壳轴向设置,其两端分别固定在所述第一封头和所述第二封头上。2. The flushable external pressure ultrafiltration filter element assembly according to claim 1, wherein the hollow fiber ultrafiltration membrane wire is arranged axially along the filter housing, and its two ends are respectively fixed on the first head and the second head. 3.根据权利要求1所述的可冲洗外压式超滤滤芯组件,其特征在于,所述原水进口和所述排污出口偏心设置。3. The flushable external pressure ultrafiltration element assembly according to claim 1, wherein the raw water inlet and the sewage outlet are arranged eccentrically. 4.根据权利要求1所述的可冲洗外压式超滤滤芯组件,其特征在于,所述第一封头和所述第二封头由环氧树脂固化而成。4. The flushable external pressure ultrafiltration filter element assembly according to claim 1, characterized in that, the first sealing head and the second sealing head are cured by epoxy resin. 5.根据权利要求1所述的可冲洗外压式超滤滤芯组件,其特征在于,在所述第二封头与所述滤壳出水端的端盖之间设置有隔板,该隔板与所述第二封头之间形成净水腔,所述净水出口和所述净水总出口与所述净水腔连通。5. The flushable external pressure ultrafiltration filter element assembly according to claim 1, wherein a partition is arranged between the second head and the end cap of the outlet end of the filter housing, and the partition and the A clean water chamber is formed between the second heads, and the clean water outlet and the main clean water outlet communicate with the clean water chamber. 6.根据权利要求1至5中任一项所述的可冲洗外压式超滤滤芯组件,其特征在于,所述滤壳包括两端开口的防胀筒体、分别套接在该筒体两端外部的第一端盖和第二端盖,在所述第一端盖上设置有所述原水总进口,在所述第二端盖上设置有净水总出口和排污总出口。6. The flushable external pressure ultrafiltration filter element assembly according to any one of claims 1 to 5, wherein the filter housing includes an anti-expansion cylinder with openings at both ends, respectively sleeved on the cylinder The first end cover and the second end cover outside the two ends are provided with the main raw water inlet on the first end cover, and the main clean water outlet and the sewage discharge main outlet are provided on the second end cover. 7.根据权利要求6所述的可冲洗外压式超滤滤芯组件,其特征在于,在所述排污总出口处安装有机械式冲洗开关。7. The flushable external pressure ultrafiltration filter element assembly according to claim 6, characterized in that a mechanical flushing switch is installed at the total sewage outlet. 8.一种净水器,其特征在于:包括至少一个如权利要求1至7中任意一项所述的可冲洗外压式超滤滤芯组件。8. A water purifier, characterized in that it comprises at least one flushable external pressure ultrafiltration element assembly as claimed in any one of claims 1 to 7. 9.一种如权利要求1至7中任意一项所述的可冲洗外压式超滤滤芯组件的冲洗方法,其特征在于,包括如下步骤:打开所述原水总进口、所述第一进气口和所述排污总出口,在通入自来水的同时通过所述第一进气口通入压缩气体。9. A flushing method of the flushable external pressure ultrafiltration filter element assembly according to any one of claims 1 to 7, characterized in that it comprises the steps of: opening the main inlet of the raw water, the first inlet The gas port and the total blowdown outlet are fed with compressed gas through the first air inlet while tap water is fed.
CN201210179723.3A 2012-06-01 2012-06-01 Flushable external pressure type ultrafiltration filter element assembly, flushing method thereof and water purifier Expired - Fee Related CN103446890B (en)

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CN104310627B (en) * 2014-11-18 2016-08-17 郭旦威 A kind of portable anti-clogging raw water fountain
CN110182902B (en) * 2019-06-28 2024-04-09 杭州真水流体技术有限公司 Aeration flushing type ultrafiltration filter
CN112661207A (en) * 2020-11-13 2021-04-16 武定新立钛业有限公司 Sewage is from washing filter equipment
CN114394687B (en) * 2022-01-24 2024-08-16 珠海格力电器股份有限公司 Water purification system
CN114477374B (en) * 2022-01-24 2023-12-22 珠海格力电器股份有限公司 Water purification system and control method thereof
CN116143236B (en) * 2022-09-07 2025-08-26 福建泽信环保科技有限公司 A low-energy consumption ultrafiltration membrane water purification device and its working method

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