CN102000509A - Water purification filter element - Google Patents
Water purification filter element Download PDFInfo
- Publication number
- CN102000509A CN102000509A CN2009100342563A CN200910034256A CN102000509A CN 102000509 A CN102000509 A CN 102000509A CN 2009100342563 A CN2009100342563 A CN 2009100342563A CN 200910034256 A CN200910034256 A CN 200910034256A CN 102000509 A CN102000509 A CN 102000509A
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- hollow fiber
- water
- shell
- water purification
- filter core
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a water purification filter element comprising a shell, a hollow fiber membrane assembly and an absorbing material layer, wherein a water inlet is arranged on the lower end of the side of the shell; a water outlet is arranged at the bottom surface of the shell; the hollow fiber membrane assembly is arranged in the middle position in the shell; the inlet of the hollow fiber membrane assembly faces upwards; the outlet of the hollow fiber membrane assembly is communicated with the water outlet of the shell; the absorbing material layer is arranged above the water inlet of the shell and below the inlet of the hollow fiber membrane assembly and surrounds and fills a space between the shell and the hollow fiber membrane assembly; the shell comprises an upper shell and a lower shell; the lower shell is provided with the water inlet and the water outlet; a deflating outlet is arranged on the top end of the upper shell; and a sealing cover is covered on the deflating outlet. The invention has the advantages that the disassembly, the assembly, the cleaning and the replacement of each part of the water purification filter element can be conveniently realized; the utilization rate of the filter element parts is enhanced; the service life of the filter element is prolonged; and the water purification cost is reduced.
Description
Technical field
The invention belongs to family expenses water purification field, be specifically related to the filter core on the direct type water purifier of a kind of tap.
Background technology
Along with the improvement and the growth in the living standard of economic condition, people have had higher requirement to drinking water quality.At present the main source running water of drinking water is because the aggravation of pollution of waterhead, the DBPs problem that the chlorination sterilization produces in the production process, and the secondary pollutions of pipe network etc. can't be satisfied it and are drunk requirement.And at present a large amount of bottled waters that use sealing, deposit with delivery process in all very easily produce secondary pollution, and general water purifier also since water in filter process not thoroughly discharging cause stagnant water or timely washing and precipitating thing, be easy to generate a large amount of bacteriums, all may cause secondary pollution.In addition, at present generally popular pure water is owing to lack nutrient and be unfavorable for health.Adopt the direct type water purifier of tap of micro-filtration or ultrafiltration technology owing to compact conformation, do not have water, guaranteed the fresh and clean of water quality.A lot of such Water purifiers have sorbing materials such as utilizing active carbon to remove functions such as bleaching powder flavor, musty and chloroform in the running water, and the function of material such as adopt that hollow-fibre membrane removes impurities and bacteria.But the hollow-fibre membrane exhaust is untimely because filter cartridge construction is tightly short, often occurs the air phenomenon of blocking easily.
For the direct type water purifier of a kind of tap so just having announced in the Chinese invention patent of (96123343.5), comprise multiple-way valve that connects tap and filter core as number of patent application with water purification function.Because hollow-fibre membrane stops dirts such as iron rust, particle get off, when the dirt accumulation on doughnut film surface more for a long time can be blocked.This dirt obstruction just can occur after will filtering sizable water yield under the normal condition, how long has just stopped up but much filter core is useless on the market, and the hollow-fibre membrane surface not accumulate a lot of dirts.This obstruction is mostly stopped up relevantly with air, because the filter cartridge construction compactness, the part bubble is not discharged to suppress and made aquaporin dwindle on the mistake aquaporin even blocked fully.Present this air phenomenon of blocking happens occasionally, and filter core is in case stop up and just to be difficult to continue to use, and this filter case shuts fully, can not carry out the cleaning of film, so unique treating method is exactly a renew cartridge more when filter core stops up, and water purification cost height.
Summary of the invention
The objective of the invention is to be stopped up and the problem that can not clean by air for the direct type filter element of water purifier of the tap that solves above employing doughnut membrane filtration, a kind of water purification catridge is provided, this filter core by housing and be contained in the hollow fiber film assembly in the housing and be filled in housing and hollow fiber film assembly between sorbing material layer form.
Purpose of the present invention can reach by following measure:
A kind of water purification catridge comprises housing, hollow fiber film assembly and sorbing material layer, and the lower end, side of its middle shell is provided with water inlet, and the bottom surface of housing is provided with delivery port; Described hollow fiber film assembly is positioned at the centre position of housing, the inlet of hollow fiber film assembly up, the outlet of hollow fiber film assembly communicates with the delivery port of housing; Described sorbing material layer is on the water inlet of housing and under the inlet of hollow fiber film assembly and around the space that is full of between housing and the hollow fiber film assembly; Wherein said housing is made up of upper shell and lower house, and lower house has described water inlet and delivery port, and the top of upper shell is provided with the venting outlet, and venting outlet top cover labyrinth has closed seal cover.Adopt thread seal to connect between upper shell and the lower house.
The upper shell crown center adopts slightly and is conical structure to upper process, the venting outlet is located on this pyramid type top, be covered with seal cover in the venting outlet, adopt the screw thread movable sealing to be connected between venting outlet and the seal cover, seal cover can further be provided with sealing gasket between exporting with exitting.
Transparent material is adopted at the top of upper shell, can observe the filter core inner case, because the light specific gravity of air ratio water, if filter core is stopped up by air, bubble generally is positioned at the upper end of filter core, see through transparent upper shell top and can observe whether bubble is arranged in the filter core, when being arranged, can turn in bubble the seal cover in the venting outlet, under the squeezing of water, bubble is discharged from the venting outlet of filter core top, tightens seal cover after air has been arranged, make filter core be full of by water fully, thereby realized the function that deaeration stops up, guaranteed the unimpeded of water stream channel, sorbing material and hollow-fibre membrane in the filter core can be fully utilized.
The two ends up and down of sorbing material layer are equipped with dividing plate, and sorbing material layer is fixed between housing and the hollow fiber film assembly.Sorbing material layer is made up of one or more adsorption piece, and described adsorption piece is made of seepy material parcel sorbing material.Sorbing material is filled in the adsorption piece that forms certain specification in nonwoven or the annular container bag that similarly seepy material is made into earlier, then the adsorption piece of ring-type be enclosed within closely hollow fiber film assembly around be full of space between hollow fiber film assembly and the housing, lower end, space between hollow fiber film assembly and the housing and upper end are provided with the fixedly position of adsorption piece of dividing plate, can load single sorbing material in the adsorption piece also can be seated in multiple sorbing material together, the high low dimensional of adsorption piece can be adjusted, space according to filling adsorption piece in the filter core can be divided into an adsorption piece or several adsorption piece, filtering adsorbing material in each adsorption piece can be the same or different, can change different types of adsorption piece by different time, can realize in various degree treatment effect thus with purpose.Sorbing material can be selected from one or more in active carbon, KDF or the ion exchange resin etc.
Hollow fiber film assembly is by cylindrical housing, hollow-fibre membrane and the cylindrical housing lower end is fixed and be bonded in to the port of export of hollow-fibre membrane keep the sealed at both ends encapsulating material that separates of doughnut membrane filtration to form.Hollow fiber film assembly is positioned at the center of filter core, the pure water inlet of the corresponding filter core in lower end, and the upper end open ports is positioned at below the venting outlet on filter core housing top.
When doughnut film surface is contaminated, filter core is taken off from water purifier, turn on the seal cover in the venting outlet, can inject or splash into the soda acid washing lotion from venting outlet the polluter on hollow-fibre membrane surface is eluted, then by the reversing filter core, waste liquid after will cleaning is again poured out from the venting outlet, the water flowing mode is filled with to take off behind the running water again the water in the filter core is poured out from the venting outlet when afterwards filter core being loaded onto water purifier by normal use, thereby realize the Chemical cleaning and the general cleaning of hollow-fibre membrane, the service life of having improved filter core.
Water purification catridge of the present invention can be realized dismounting, cleaning and the replacing of each part easily, improves the utilization rate of filter core part, prolongs filter core service life, reduces the water purification cost.
Description of drawings
Fig. 1 is the vertical section figure of filter core of the present invention.
Fig. 2 is the view in transverse section of filter core of the present invention.
Fig. 3 is the front view of filter core of the present invention.
Fig. 4 is the vertical view of filter core of the present invention.
Fig. 5 is the upward view of filter core of the present invention.
Fig. 6 is the hollow fiber film assembly vertical section figure in the filter core of the present invention.
Fig. 7 is the hollow fiber film assembly front view in the filter core of the present invention.
Fig. 8 is the hollow fiber film assembly upward view in the filter core of the present invention.
Fig. 9 is the adsorption piece in the filter core of the present invention.
Figure 10 is the dividing plate in the filter core of the present invention.
Figure 11 is a filter core upper shell of the present invention.
Figure 12 is a filter core lower house of the present invention.
Figure 13 is a filter core embodiment water purifier schematic diagram of the present invention.
Figure 14 is filter core water purification flow path figure of the present invention.
Among the figure: 1 is original water inlet, and 2 is connector, and 3 is lower house, and 4 is the hollow fiber film assembly shell, 5 is upper shell, and 6 is seal cover, and 7 is sealing gasket, 8 is dividing plate, and 9 is sorbing material, and 10 is hollow-fibre membrane, 11 for adsorption piece with permeable filtering material (nonwoven), 12 is dividing plate, 13 is sealing ring, 14 is encapsulating material, and 15 is pure water inlet, and 16 are the venting outlet, 17 is tap, and 18 is the water purifier switching valve, and 19 is filter core.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, the filter core housing is made up of by being threaded lower house 3 and upper shell 5, upper shell 5 tops are that transparent material can be observed the situation of filter core inner air obstruction and the pollution condition of hollow-fibre membrane, its external form is for to be pyramid type to intermediate projections, one venting outlet 16 is arranged on the top of upper shell 5, be covered with seal cover 6 in the venting outlet 16, be provided with sealing gasket 7 between seal cover 6 and the venting outlet, turning on seal cover 6 when having bubble to need exhaust in the filter core can discharge air, tightens seal cover 6 by screw thread after venting finishes and keeps sealing.The lower end, side of lower house 3 is provided with water inlet 1, is an annulus in the water inlet 1, can guarantee that water is full of this space earlier after water inlet 1 enters, and then upwards flows gradually with the uniformity that guarantees that sorbing material is handled; Be provided with the connector 2 that connects other equipment outside water inlet 1, the bottom surface of lower house 3 is provided with delivery port 15, can a plurality of apopores be set according to hollow membrane assembly or actual needs in the delivery port 15.The structure of upper shell 5 and lower house 3 such as Figure 11 and shown in Figure 12.
Center configuration hollow fiber film assembly in lower house 3, as Fig. 1, Fig. 6, Fig. 7 and Fig. 8, it is by the cylindric transparent outer cover 4 of hollow fiber film assembly, be located at the hollow-fibre membrane 10 in the shell 4, the encapsulating material 14 that the hollow-fibre membrane port of export is fixed and kept hollow-fibre membrane influent side and water outlet side to completely cut off, sealing ring 13 is formed, it is the same big that the size that this hollow fiber film assembly keeps is placed in the size of hollow fiber film assembly sealing ring 13 1 ends and lower house exit, so the hollow fiber film assembly water side is stuck in the lower house 3 and the effect that can well fix and seal by sealing ring 13.The open type of hollow fiber film assembly enters the mouth up, and the outlet of hollow fiber film assembly communicates with the delivery port of housing 15.(on the water inlet 1 at housing and under the inlet of hollow fiber film assembly) filled to expire and is packaged with active carbon by nonwoven 11 in the space between filter case and the hollow fiber film assembly shell 4, ion exchange resin, the adsorption piece of sorbing materials such as KDF 9, the adsorption piece external form as shown in Figure 9, it can make the size of filling an adsorption piece in the filter core, also can make a plurality of, can fill a kind of adsorbent in each adsorption piece, a kind of adsorption piece can be filled in the filter core and also several adsorption pieces that different adsorbents are housed can be filled as required, also can one several adsorbents being housed in the adsorption piece mixes, adsorption piece has been made the size of filling 3 in the filter core among Fig. 1, fill a kind of adsorbent in each adsorption piece, filled three kinds of different adsorption pieces.Have dividing plate 8 and 12 to keep the fixed-site of adsorption piece at the two ends up and down of adsorption piece, the dividing plate external form as shown in figure 10.The lateral cross section of filter core outside in is followed successively by lower house 3, sorbing material 9, hollow fiber film assembly shell 4 and hollow-fibre membrane 10 as shown in Figure 2.The facing of filter core, overlook with upward view shown in Fig. 3,4,5.
Filter core is implemented approach shown in Figure 13 and 14 to the purification of water quality, a kind of tap connecting-type water purifier is made up of tap connector 18 and water purification catridge 19, running water enters connector 18 from tap 17, enter the original water inlet 1 of filter core lower end side then by the valve regulated of connector 18, pass through the adsorption piece between hollow fiber film assembly shell 4 and filter core inner walls afterwards on the current direction, filtering adsorbing material in the adsorption piece is with the chlorine residue in the water, organic matter, peculiar smell, materials such as heavy metal are removed, then current import in the hollow fiber film assembly, by the silt in the hollow-fibre membrane filtered water to the centre at the filter core headroom, iron rust, suspension, colloid, bacterium etc.Water purification comes out from the hollow fiber film assembly water side, and just discharging filter core pure water inlet 15 has immediately guaranteed the fresh of water purification.
When filter core is stopped up by air, bubble generally is positioned at the upper end of filter core, see through in the transparent upper shell 5 top view filter cores whether bubble is arranged, when being arranged, can turn in bubble the seal cover 6 in the venting outlet 16, under the squeezing of water, bubble is discharged from filter core top venting outlet 16, after having arranged, tightens air seal cover 6, make filter core be full of by water fully, thereby realized the function that deaeration stops up, guaranteed the unimpeded of water stream channel, sorbing material and hollow-fibre membrane in the filter core can be fully utilized.
Hollow-fibre membrane is contaminated when causing filter core to stop up, filter core 19 is taken off from water purifier switching valve 18, turn on the seal cover 6 in the venting outlet 16, inject or splash into the soda acid washing lotion from venting outlet 16 polluter on hollow-fibre membrane 10 surfaces is eluted, then by the reversing filter core, waste liquid after will cleaning is again poured out from venting outlet 16, afterwards filter core being reinstalled water purifier fills with to take off behind the running water by normal use water flowing mode again the water in the filter core is poured out from venting outlet 16, so just can realize the Chemical cleaning and general cleaning of hollow-fibre membrane, improve the service life of filter core.
In addition, when the hollow-fibre membrane surface coverage in the filter core has adsorbent in more dirt or the adsorption piece to lose efficacy, filter core upper shell 5 and lower house 3 can also be turned on, dividing plate 8 is taken out, adsorption piece can be taken out replacing then, hollow fiber film assembly can be taken out cleaning after taking out adsorption piece, press opposite order afterwards with hollow fiber film assembly, adsorption piece, dividing plate is put into lower casing, to go up lower casing at last closes up, so, can realize the dismounting of each part, clean and change, improve the utilization rate of filter core part, prolong filter core service life, reduce the water purification cost.
Claims (7)
1. a water purification catridge comprises housing, hollow fiber film assembly and sorbing material layer, and the lower end, side of its middle shell is provided with water inlet, and the bottom surface of housing is provided with delivery port; Described hollow fiber film assembly is positioned at the centre position of housing, the inlet of hollow fiber film assembly up, the outlet of hollow fiber film assembly communicates with the delivery port of housing; Described sorbing material layer is on the water inlet of housing and under the inlet of hollow fiber film assembly and around the space that is full of between housing and the hollow fiber film assembly; It is characterized in that described housing is made up of upper shell and lower house, lower house has described water inlet and delivery port, and the top of upper shell is provided with the venting outlet, and venting outlet top cover labyrinth has closed seal cover.
2. water purification catridge according to claim 1 is characterized in that being provided with sealing gasket between venting outlet and seal cover.
3. water purification catridge according to claim 1 and 2 is characterized in that adopting between described venting outlet and the seal cover screw thread movable sealing to be connected.
4. water purification catridge according to claim 1 is characterized in that transparent material is adopted at the top of described upper shell.
5. water purification catridge according to claim 1 is characterized in that adopting between described upper shell and the lower house thread seal to connect.
6. water purification catridge according to claim 1 is characterized in that the two ends up and down of described sorbing material layer are equipped with dividing plate.
7. water purification catridge according to claim 1 is characterized in that described sorbing material layer is made up of one or more adsorption piece, and described adsorption piece is made of seepy material parcel sorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100342563A CN102000509A (en) | 2009-09-03 | 2009-09-03 | Water purification filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100342563A CN102000509A (en) | 2009-09-03 | 2009-09-03 | Water purification filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102000509A true CN102000509A (en) | 2011-04-06 |
Family
ID=43808364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100342563A Pending CN102000509A (en) | 2009-09-03 | 2009-09-03 | Water purification filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102000509A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910392A (en) * | 2014-04-11 | 2014-07-09 | 上海亚弘过滤器材有限公司 | Filter element of household, commercial and industrial water purifier |
| CN104436816A (en) * | 2013-10-24 | 2015-03-25 | 高桥金属制品（苏州）有限公司 | Novel filter exhaust device |
| CN108996772A (en) * | 2018-10-18 | 2018-12-14 | 泉州万滤达净水科技有限公司 | A kind of direct drinking composite filter element |
| CN113559717A (en) * | 2021-09-26 | 2021-10-29 | 迈博瑞生物膜技术（南通）有限公司 | PVC hollow fiber ultrafiltration membrane filter element |
-
2009
- 2009-09-03 CN CN2009100342563A patent/CN102000509A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436816A (en) * | 2013-10-24 | 2015-03-25 | 高桥金属制品（苏州）有限公司 | Novel filter exhaust device |
| CN103910392A (en) * | 2014-04-11 | 2014-07-09 | 上海亚弘过滤器材有限公司 | Filter element of household, commercial and industrial water purifier |
| CN108996772A (en) * | 2018-10-18 | 2018-12-14 | 泉州万滤达净水科技有限公司 | A kind of direct drinking composite filter element |
| CN113559717A (en) * | 2021-09-26 | 2021-10-29 | 迈博瑞生物膜技术（南通）有限公司 | PVC hollow fiber ultrafiltration membrane filter element |
| CN113559717B (en) * | 2021-09-26 | 2021-12-07 | 迈博瑞生物膜技术（南通）有限公司 | PVC hollow fiber ultrafiltration membrane filter element |
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Application publication date: 20110406 |