CN202700373U - 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
- Publication number
- CN202700373U CN202700373U CN 201220358532 CN201220358532U CN202700373U CN 202700373 U CN202700373 U CN 202700373U CN 201220358532 CN201220358532 CN 201220358532 CN 201220358532 U CN201220358532 U CN 201220358532U CN 202700373 U CN202700373 U CN 202700373U
- Authority
- CN
- China
- Prior art keywords
- water
- end socket
- element assembly
- filter housing
- water inlet
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 42
- 239000012510 hollow fiber Substances 0.000 claims abstract description 32
- 238000000746 purification Methods 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims description 25
- 239000002689 soil Substances 0.000 claims description 7
- 229920002492 poly(sulfone) Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000223935 Cryptosporidium Species 0.000 description 1
- 241000224467 Giardia intestinalis Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229940085435 giardia lamblia Drugs 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a can wash external pressure type ultrafiltration filter element group spare and water purifier, ultrafiltration filter element group spare includes the filter shell and arranges the filter core in this filter shell in, the one end of filter shell is the end of intaking, the other end is for going out the water end, it always imports to be provided with the raw water at the end of intaking of filter shell, it always exports and the total export of blowdown to be provided with the water purification at the play water end of filter shell, the filter core is including forming in the water purification room in the filter shell and arranging one or many hollow fiber ultrafiltration membrane silks in this water purification room in, be provided with the raw water import with the total import intercommunication of raw water on the wall of water purification room, the water purification export of total export intercommunication of with the water purification and the blowdown export of total export intercommunication of blowdown, the mouth of pipeThe outlets are communicated; the external surface area of each hollow fiber ultrafiltration membrane filament is 0.5-30 m2. The utility model discloses can produce better washing effect again when guaranteeing the water purification effect to can prolong the filter core life-span, increase total water purification volume, reduce consumer use cost.
Description
Technical field
The utility model relates to water treatment facilities, particularly relates to a kind of flushable external-compression type ultra-filtration element assembly, and the water purifier that uses this flushable external-compression type ultra-filtration element assembly.
Background technology
Ultrafiltration is to carry out the film separation process that solute separates under the static pressure impetus, compare with conventional water-purifying process, ultrafiltration has good removal ability to the particle in the water, colloid turbidity material, also can effectively remove the pathogenic microorganism in the water, such as Cryptosporidium, giardia lamblia, bacterium and virus etc.In addition, the ultrafiltration water-purifying process has the operation power cost than counter-infiltration low (not needing the supercharging auxiliary equipment such as booster pump), the characteristics such as process is simple, free from environmental pollution, stable effluent quality is reliable.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 wash 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, perhaps needs to add recoil valve, adds automatically controlledly just can wash, and only needs water pressure enough to get final product during milipore filter work, powers up to seem very burdensome.
The country such as China more American-European Japan and Korea S of water quality is poor, and impurity Duos about 30% than Japan and other countries in the water, and milipore filter has easy polluting property, in relatively poor water quality environment rapid minimizing in lower service life.Ultra-filtration element standard water amount is 2t (present technology), and at present experiment and actual the use are generally about 1.5t, in the situation that water quality is abominable less than 1t from the beginning.
At present, washable filter element can increase total water purification amount effectively, prolongs filter element life, avoids the frequent filter core, reduces consumer's use cost, but existing ultrafiltration membrane filter element developing result is not very desirable.
Summary of the invention
For above-mentioned prior art present situation, first technical problem to be solved in the utility model is, provides a kind of developing result good flushable external-compression type ultra-filtration element assembly, to increase total water purification amount, reduces consumer's use cost.
Second technical problem to be solved in the utility model is, a kind of water purifier that uses above-mentioned flushable external-compression type ultra-filtration element assembly is provided.
The technical scheme that above-mentioned first technical problem that solves the utility model adopts is: a kind of flushable external-compression type ultra-filtration element assembly, comprise filter housing and place the interior filter core of this filter housing, one end of described filter housing is water inlet end, the other end is the 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 the water purifying chamber that is formed in the described filter housing and one or more hollow fiber film yarn that places in this water purifying chamber, be provided with the original water inlet that is communicated with described former water general import on the wall of described water purifying chamber, the pure water inlet that is communicated with described water purification general export and the blowdown outlet that is 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 are flowed out water purification and are communicated with described pure water inlet; The external surface area of every described hollow fiber film yarn is 0.5～30m
2
Among embodiment, the internal diameter of described hollow fiber film yarn is 0.5～1m m therein, and external diameter is 1～2mm.
Among embodiment, described hollow fiber film yarn adopts Kynoar, polysulfones or polyvinyl chloride to be made therein.
Therein among embodiment, in the water inlet end of described filter housing and water side, be sealedly connected with respectively the first end socket and the second end socket, surround described water purifying chamber by described filter housing inwall, described the first end socket and described the second end socket, and be provided with described original water inlet at described the first end socket, be provided with described pure water inlet and described blowdown outlet at described the second end socket, 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.
Among embodiment, described original water inlet is more than two therein, all original water inlets centered by the geometric center of described the first end socket along circumferential arrangement.
Among embodiment, described the first end socket and described the second end socket are formed by epoxy resin cure therein.
Therein among embodiment, described original water inlet and described blowdown outlet eccentric setting.
Therein among embodiment, between the end cap of described the second end socket and described filter housing water side, be provided with dividing plate, by this dividing plate the chamber between the end cap of described the second end socket and described filter housing water side is divided near the water-purifying cavity of described water purifying chamber with away from the soil chamber of described water purifying chamber, and described water-purifying cavity is communicated with described pure water inlet and described water purification general export, and described soil chamber is communicated with described blowdown outlet and described blowdown general export.
Among embodiment, the place is equipped with the mechanical type flush switch in described blowdown general export therein.
The technical scheme that above-mentioned second technical problem that solve the utility model adopts is: a kind of water purifier comprises above-mentioned flushable external-compression type ultra-filtration element assembly.
The external surface area of hollow fiber film yarn is to affect the important indicator that it is subjected to various contaminants complexities.Inventor of the present utility model finds through experiment test: when the film surface area less than 0.4m
2The time, milipore filter the most easily pollutes and can result in blockage and not water outlet, but is worth greater than 30m when it
2The time, milipore filter can not have preferably physical filtering effect to harmful substances such as bacterium, viruses again, and therefore the external surface area of hollow fiber ultrafiltration membrane filaments of the present utility model is 0.5～30m
2, this scope can produce preferably developing result again when guaranteeing purifying water effect, thereby can prolong filter element life, increases total water purification amount, reduces consumer's use cost.Use under at present domestic condition of water quality after tested, the excessively water inventory of flushable external-compression type ultra-filtration element assembly provided by the utility model can approach 2t.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the flushable external-compression type ultra-filtration element assembly among one of them embodiment of the utility model.
Among above each figure, 100-filter housing, 110-cylindrical shell, 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, 211-original water inlet, 220-the second end socket, 221-pure water inlet, 222-blowdown outlet, the 230-hollow fiber film yarn, 240-water purifying chamber, 300-dividing plate, the 310-water-purifying cavity, 320-soil chamber, 400-flush switch.
The specific embodiment
Also in conjunction with the embodiments the utility model is elaborated below with reference to accompanying drawing.Need to prove, in the situation that do not conflict, below feature among each embodiment and the embodiment can mutually make up.
Among one of them embodiment of the utility model, provide a kind of flushable external-compression type ultra-filtration element assembly, referring to Fig. 1, the flushable external-compression type ultra-filtration element assembly in the present embodiment comprises filter housing 100 and the filter core 200 that places in the filter housing 100.
One end of described filter housing 100 is water inlet end, and the other end is the water side, is provided with former water general import 121 at the water inlet end of filter housing 100, is provided with water purification general export 131 and blowdown general export 132 in the water side of filter housing 100.Filter housing 100 in the present embodiment comprises the cylindrical shell 110 of both ends open, is socketed in the first end cap 120 and second end cap 130 of this outside, cylindrical shell 110 two ends respectively, be provided with described former water general import 121 at described the first end cap 120, be provided with water purification general export 131 and blowdown general export 132 at described the second end cap 130.
Described filter core 200 comprises the water purifying chamber 240 that is formed in the described filter housing 100 and the many hollow fiber film yarns 230 that place in this water purifying chamber 240.Water purifying chamber 240 in the present embodiment is formed by the first end socket 210, the second end socket 220 and cylindrical shell 110 inwalls that are sealedly connected in cylindrical shell 110 two ends, be provided with original water inlet 211 at the first end socket 210, be provided with pure water inlet 221 and blowdown outlet 222 at the second end socket 220.Described hollow fiber film yarn 230 axially arranges along filter housing, hollow fiber film yarn 230 1 ends are fixed on the first end socket 210, and the mouth of pipe sealing that should hold, hollow fiber film yarn 230 other ends are fixed on the second end socket 220, and should end mouth of pipe flow out water purification and be communicated with pure water inlet 221.The external surface area of described hollow fiber film yarn 230 is 0.5～30m
2, this scope can produce preferably developing result again when guaranteeing purifying water effect.Preferably, the internal diameter of described hollow fiber film yarn 230 is 0.5～1mm, and external diameter is 1～2mm.This internal-and external diameter scope comprises external pressure type ultra-filtration membrane and interior pressure milipore filter.Preferably, described hollow fiber film yarn 230 adopts Kynoar (PVDF), polysulfones (PS) or polyvinyl chloride (PVC) to be made, and the film of these three kinds of materials has following advantages:
A. withstand voltage: the aperture of film is little, keep high flux just must apply higher pressure, and generally speaking, the pressure limit of membrane operations is at 0.1～0.5MPa.
B. high temperature resistant: the needs that the temperature that high flux brings raises and cleans.
C. acid and alkali-resistance: prevent the hydrolysis in the separation process and in the cleaning process.
D. chemical compatibility: the stability that keeps film.
E. biocompatibility: prevent the sex change of large biological molecule.
F. cost is low, and wherein PVC (polyvinyl chloride) price is especially cheap, and only 8 yuan/kilogram, PS (polysulfones) is 15 yuan/kilogram.The reason of Pollution of Ultrafiltration Membrane mainly contains following three kinds:
A. adsorption fouling refers to that organic matter is attracted in face or the fenestra.
B. deposit fouling refers to that the slightly solubility metal hydroxides in the water forms precipitation or fouling on the film surface.
C. biological pollution refers to be reduced in the caused effective film filter area of multiplying of film surface by microorganisms such as bacteriums.
During the work of ultra-filtration element assembly, running water enters in the water purifying chamber 240 from former water general import 121, original water inlet 211, under the pressure-acting of running water, hydrone sees through hollow fiber film yarn 230, and flowing to the water side by the inner tube of film silk 230, impurity then is blocked in water purifying chamber 240 inside by hollow fiber film yarn 230.When flushing, flush switch 400 is opened, because the blowdown resistance to flow output is few, hollow fiber film yarn 230 resistances are large, and most of current are gone out by blowdown outlet 222, take away the impurity that water processed stays, and reach the effect of washing hollow-fiber ultrafiltration membrane filaments 230.
Preferably, described original water inlet 211 is more than two, all original water inlets 211 centered by the geometric center of described the first end socket 210 along circumferential arrangement, so that running water can enter into water purifying chamber 240 inside uniformly and stably.
Preferably, described the first end socket 210 and described the second end socket 220 are formed by epoxy resin cure.Utilize epoxy resin that hollow fiber film yarn 230 is blocked near the mouth of pipe of water inlet end.
Preferably, described original water inlet 211 and described blowdown export 222 eccentric settings, to reach the purpose of abundant flushing.
Preferably, between described the second end socket 220 and described the second end cap 130, be provided with dividing plate 300, by this dividing plate 300 chamber between the end cap of described the second end socket and described filter housing water side is divided near the water-purifying cavity 310 of described water purifying chamber 240 with away from the soil chamber 320 of described water purifying chamber 240, and is communicated with described blowdown outlet 222 and described blowdown general export 132.The Main Function of soil chamber 320 is that sewage is focused on a place, so, water purification and sewage are separated and come, hollow fiber film yarn 230 has strengthened with the distance of pollutant simultaneously, hollow fiber film yarn 230 has reduced the risk of pollutant backflow Re-pollution hollow fiber film yarn 230 away from pollutant.
Preferably, described flush switch 400 is mechanical switch, and whole so flushable external-compression type ultra-filtration element assembly does not need to power up the work of getting final product.
Among another embodiment of the utility model, 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 utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. flushable external-compression type ultra-filtration element assembly, comprise filter housing and place the interior filter core of this filter housing, one end of described filter housing is water inlet end, the other end is the 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 the water purifying chamber that is formed in the described filter housing and one or more hollow fiber film yarn that places in this water purifying chamber, be provided with the original water inlet that is communicated with described former water general import on the wall of described water purifying chamber, the pure water inlet that is communicated with described water purification general export and the blowdown outlet that is 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 are flowed out water purification and are communicated with described pure water inlet; It is characterized in that, the external surface area of every described hollow fiber film yarn is 0.5～30m
2
2. flushable external-compression type ultra-filtration element assembly according to claim 1 is characterized in that, the internal diameter of described hollow fiber film yarn is 0.5～1m m, and external diameter is 1～2m m.
3. flushable external-compression type ultra-filtration element assembly according to claim 1 is characterized in that, described hollow fiber film yarn adopts Kynoar, polysulfones or polyvinyl chloride to be made.
4. the described flushable external-compression type ultra-filtration element assembly of any one in 3 according to claim 1, it is characterized in that, in the water inlet end of described filter housing and water side, be sealedly connected with respectively the first end socket and the second end socket, by described filter housing inwall, described the first end socket and described the second end socket surround described water purifying chamber, and be provided with described original water inlet at described the first end socket, be provided with described pure water inlet and described blowdown outlet at described the second end socket, 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.
5. flushable external-compression type ultra-filtration element assembly according to claim 4 is characterized in that, described original water inlet is more than two, all original water inlets centered by the geometric center of described the first end socket along circumferential arrangement.
6. flushable external-compression type ultra-filtration element assembly according to claim 4 is characterized in that, described the first end socket and described the second end socket are formed by epoxy resin cure.
7. flushable external-compression type ultra-filtration element assembly according to claim 4 is characterized in that, described original water inlet and described blowdown outlet eccentric setting.
8. flushable external-compression type ultra-filtration element assembly according to claim 4, it is characterized in that, between the end cap of described the second end socket and described filter housing water side, be provided with dividing plate, by this dividing plate the chamber between the end cap of described the second end socket and described filter housing water side is divided near the water-purifying cavity of described water purifying chamber with away from the soil chamber of described water purifying chamber, and described water-purifying cavity is communicated with described pure water inlet and described water purification general export, and described soil chamber is communicated with described blowdown outlet and described blowdown general export.
9. flushable external-compression type ultra-filtration element assembly according to claim 4 is characterized in that, the place is equipped with the mechanical type flush switch in described blowdown general export.
10. a water purifier is characterized in that: comprise that at least one is such as the described flushable external-compression type ultra-filtration element assembly of any one in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358532 CN202700373U (en) | 2012-07-23 | 2012-07-23 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358532 CN202700373U (en) | 2012-07-23 | 2012-07-23 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700373U true CN202700373U (en) | 2013-01-30 |
Family
ID=47580714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358532 Expired - Fee Related CN202700373U (en) | 2012-07-23 | 2012-07-23 | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202700373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016042179A1 (en) * | 2014-09-16 | 2016-03-24 | Fluytec, S.A. | Improved filtering apparatus and methods for the use thereof |
-
2012
- 2012-07-23 CN CN 201220358532 patent/CN202700373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016042179A1 (en) * | 2014-09-16 | 2016-03-24 | Fluytec, S.A. | Improved filtering apparatus and methods for the use thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212091725U (en) | Compound filter element group spare and water purification system | |
| CN206751531U (en) | Multilevel filtration-purification system and water purifier | |
| CN103446887B (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN203668071U (en) | Water purifier adopting ceramic membrane | |
| CN201284277Y (en) | Small-sized water purifying appliance | |
| CN103446890B (en) | Flushable external pressure type ultrafiltration filter element assembly, flushing method thereof and water purifier | |
| CN111252924B (en) | Composite filter element assembly and water purification system | |
| CN103463983A (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN110723835A (en) | Take reverse osmosis's little flux five-in-one composite filter core | |
| CN202700373U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN202569963U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN103446888B (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN103446889B (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN210340497U (en) | Domestic RO reverse osmosis water purification machine of automatic washing of taking | |
| CN202569961U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN211445252U (en) | Ultrafiltration membrane water purification treatment equipment | |
| CN210214993U (en) | Improved structure of filter element of water purifier | |
| CN103446886B (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN202621030U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN202569962U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN105771659A (en) | Detachable ultrafiltration filter | |
| CN202725039U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier | |
| CN201049259Y (en) | Multi-level filter | |
| CN212334685U (en) | Self-cleaning water purifier | |
| CN202700372U (en) | Flushable external pressure type ultrafiltration filter element assembly and water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20210723 |