CN101959570A - Filtration device having variable filter - Google Patents
Filtration device having variable filter Download PDFInfo
- Publication number
- CN101959570A CN101959570A CN2009801060079A CN200980106007A CN101959570A CN 101959570 A CN101959570 A CN 101959570A CN 2009801060079 A CN2009801060079 A CN 2009801060079A CN 200980106007 A CN200980106007 A CN 200980106007A CN 101959570 A CN101959570 A CN 101959570A
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- Prior art keywords
- filter
- mentioned
- outer cover
- compressive plate
- variable
- Prior art date
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- 238000001914 filtration Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 230000006835 compression Effects 0.000 claims description 57
- 238000007906 compression Methods 0.000 claims description 57
- 238000011001 backwashing Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/182—Filters characterised by the openings or pores for depth filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/184—Special form, dimension of the openings, pores of the filtering elements
- B01D2201/186—Pore openings which can be modified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/20—Pressure-related systems for filters
- B01D2201/202—Systems for applying pressure to filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
- B01D2201/306—Closures, lids, caps or filter heads forming one element with the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Disclosed is a filtration device having a variable filter according to the present invention including a cylindrical housing 100; a plurality of cylindrical filters 210 and 220 which are serially disposed in the housing 100; an upper supporting plate 230 for supporting an upper side of the uppermost filter 210; a compressing plate 240 for supporting a lower side of the lowermost filter 220; a supporting rod 250 which is fixed to the upper supporting plate 230 and an lower end of the housing 100 and installed to pass through the filters 210 and 220; and a compressing means 300 which lifts up or down the compressing plate 240 so as to control pores of the filters 210 and 220 when filtering raw water.
Description
Technical field
The present invention relates to have the filter of variable filter, in particular to a kind of variable filter, it changes the size of filter hole when filtering former water by compression stress.
Background technology
Generally speaking, the filter that in filtering the pre-filtering process of former water, uses be divided into disposable filter and by regular backwash after reproducible semipermanent filter.But disposable filter will frequently be changed, and the problem that cost rises occurs, so the use of semipermanent filter increases.But the semipermanent filter has following defective, and when the semipermanent filter had small hole size, even carry out backwash, filter efficiency also can reduce, and on the contrary, when having oversized hole, the regeneration efficiency height then filter efficiency of fine particle is low.For addressing the above problem, use variable filter recently, it dwindles filter hole when filtering former water, and by the backwash regeneration filter time, the expansion filter hole.These variable filter generally use cordage (fiber rope) to adjust the hole of filter.Utilize the hole of cordage to regulate in the filter, the cordage that forms with multiple fabric filter element is fixed on the lid of reaction unit by cordage support component and clamp, thereby screw clamp that utilization is connected with lid and clamp can dwindle or enlarge the slit between the cordage.But it is limited utilizing this sample loading mode adjustment hole, and cordage may rupture or loosening, and the hole also might become greatly, so the filter efficiency instability.Simultaneously, after unclamping clamp and enlarging cordage, can regeneration filter by backwash, still, because screw is tightened repeatedly and relaxed, cordage may relax.In order to address these problems, need to change cordage, at this moment use the original aim of running stores to be desalinated by backwash semipermanent ground, cause the rising of maintenance cost inevitably.
Japan's publication publication number: clear 55-44711 discloses the filter embodiment that utilizes variable filter to regulate filter hole.
This filter has the main body that is formed by former flow inlet, drainage outlet; Be arranged at a plurality of porous type filters of body interior and formation hollow bulb; And, compression porous type filter and remove filter compression unit during at the washing and filtering device when filtering former water to the compression of porous type filter.
The phenomenon that filter is twisted when preventing with filter compression unit compression filter, that is to say, in order to keep filter compression unit compression stress consistently, described filter plant comprises and is formed on the flange of a plurality of gripper shoes on each, is used for the directly described filter of compression that moves by the filter compression unit; Guide the guide part of above-mentioned gripper shoe thereby also comprising combines with above-mentioned flange.But,, therefore make difficulty owing to be used to prevent this complex structure of filter distortion.In addition, remove when being applied to filter pressure for backwash, because filter only relies on the recuperability of self to get back to original position and filter contains former water, therefore restoring needs the long period, and serious, filter can't restore.
Summary of the invention
Consider the problems referred to above, the object of the present invention is to provide a kind of filter with variable filter, it prevents the simple structure that filter is twisted when having by filter compression unit compression filter, thereby can easily be made.
Another object of the present invention is to provide a kind of filter, restore the time of filter when it shortens backwash, thereby shorten the washing time of filter with variable filter.
In order to reach above-mentioned purpose, the invention provides following filter with variable filter, comprising: the outer cover that is formed with the drum of former water inlet 110 and filtered water outlet 120; At the inner a plurality of cylinder filters 210,220 formed by Foamex that are provided with continuously of outer cover 100, the hollow bulb that described a plurality of cylinder filter has raw water filtration therein and injects, and have the patchhole 211,221 of radial arrangement more than at least 2 or 2; Support the top of topmost filter 220, the upper support board 230 that is communicated with above-mentioned filtered water outlet 120; Support the bottom of foot filter 220, be formed with compressive plate 240 with above-mentioned patchhole 211,221 corresponding combined holes 241; One end is fixed on above-mentioned upper support board 230, and the other end is fixed on the lower end of above-mentioned outer cover 100, and is inserted into the support bar 250 of the combined hole 241 of the patchhole 211,221 of above-mentioned filter 210,220 and above-mentioned compressive plate 240; When filtering former water, promote above-mentioned compressive plate 240 and apply compression stress at above-mentioned filter 240, thereby dwindle the hole of above-mentioned filter 210,220, during backwash, above-mentioned compressive plate 240 descends, releasing is to the compression stress of above-mentioned filter 210,220, thereby enlarges the compression means 300 in above-mentioned filter 210,220 holes.
Preferably, above-mentioned support bar 250 is formed with a plurality of taps 251 and has the compressed air supplying means, its be used for that compressed air is fed to described support bar 250 and when compressive plate 240 descends by compression means 300 by be discharged to the recovery of compressed air after-filter 210,220 through tap 251.
Preferably, above-mentioned outer cover 100 also is included in the backwashing water inlet 130 of the top formation of above-mentioned upper support board 230, thereby is connected with upper support board 230.
Preferably, above-mentioned filter also comprises filter gripper shoe 260, it is arranged between topmost filter 210 tops, foot filter 220 bottoms and the above-mentioned filter 210,220, thereby disperse to be applied to the compression stress of above-mentioned filter 210,220, above-mentioned filter 210,220 is interconnected.
Preferably, above-mentioned outer cover 100 possesses the perspective window 140 that is used to observe its inside.
Description of drawings
Fig. 1 is the perspective view that has the filter outward appearance of variable filter according to of the present invention.
Fig. 2 is the perspective view according to the external structure of the filter with variable filter of the present invention.
Fig. 3 is the perspective view according to the internal structure of the filter with variable filter of the present invention.
Fig. 4 is the part sectional drawing according to the filter process of the filter with variable filter of the present invention.
Fig. 5 is the part sectional drawing during according to the backwash of the filter with variable filter of the present invention.
Detailed description of main elements
100: outer cover (housing) 110: former water inlet
120: filtered water outlet 130: the backwashing water inlet
140: perspective window 210,220: filter
211,221: patchhole 230: upper support board
240: compressive plate 241: combined hole
250: support bar 251: tap
260: filter gripper shoe 300: compression means.
The specific embodiment
Below, will describe embodiments of the invention with reference to the accompanying drawings in detail.In specification of the present invention,, then can omit this if make aim of the present invention unclear to the relevant known function or the explanation of structure.
Fig. 1 is the perspective view that has the filter outward appearance of variable filter according to of the present invention.Fig. 2 is the perspective view according to the external structure of the filter with variable filter of the present invention.Fig. 3 is the perspective view according to the internal structure of the filter with variable filter of the present invention.Fig. 4 is the part sectional drawing during according to the filtration of the filter with variable filter of the present invention.Fig. 5 is the part sectional drawing during according to the backwash with variable filter filter of the present invention.
As shown in the figure, the filter with variable filter according to the present invention comprises: the outer cover 100 of drum; At the above-mentioned outer cover 100 inner a plurality of cylinder filters 210,220 that are provided with continuously; Support the upper support board 230 on topmost filter 210 tops; Support the compressive plate 240 of foot filter 220 bottoms; Be fixed on upper support board 230 and outer cover 100 lower ends and to connect the support bar 250 that above-mentioned filter 210,220 is installed; And rising or decline compressive plate 240, thereby when filtering former water, regulate the compression means 300 in above-mentioned filter 210,220 holes.
Above-mentioned outer cover is made up of cylinder-shaped frame (flame) 101, lower panel 102 and upper board 103, above-mentioned filter 210,220 is arranged on 101 li of above-mentioned cylinder-shaped frames, and the compression means 300 that is used to compress above-mentioned filter 210,220 be arranged on above-mentioned lower panel 102 below.
The former water inlet 110 that is connected with the supply circuit of the former water of supply filtration is formed on above-mentioned cylinder-shaped frame 101 bottoms, and filtered water outlet 120 is formed on the top of cylinder-shaped frame 101, above-mentioned filtered water outlet 120 is connected with drain passageway, and filtered water is discharged to the outside by drain passageway.
Preferably, form backwashing water inlet 130 on above-mentioned cylinder-shaped frame 101 tops, thereby be connected with the path of supply flushing water.
Preferably, form the perspective window 140 of observing above-mentioned outer cover 100 inside in above-mentioned cylinder-shaped frame 101 1 sides.Thereby can confirm the state of filter and the operating state of compression means 300 by above-mentioned perspective window 140.
Above-mentioned lower panel 102 is assembled in above-mentioned cylinder-shaped frame 101 lower ends.Also have, lower panel 102 has the feet 102a that supports above-mentioned outer cover 100 outstanding downwards, is that draining has drainpipe 104 during the exchange filter.
Above-mentioned upper board 103 is installed in above-mentioned cylinder-shaped frame 101 upper ends.Also have, the Pressure gauge 105 of confirming outer cover 100 internal pressures and the passage 106 of removing above-mentioned outer cover 100 inner residual pressures are arranged in upper board 103 upper ends.
Above-mentioned filter 210,220 is a cylindrical shape, is formed by the Foamex as urethane.Generally, this Foamex has elasticity and restoring force.
Above-mentioned filter 210,220 is in above-mentioned outer cover 100 inner settings continuously, thereby filtration is infused in the former water of above-mentioned former water inlet 110.Each above-mentioned filter 210,220 inside is a hollow, and its Central Plains water is filtered and injects, and has more than 2 or 2 the patchhole 211,221 with radial arrangement at least.
Above-mentioned upper support board 230 supports topmost filter 210 tops, is communicated with above-mentioned filtered water outlet 120.The filtered water of filtering by above-mentioned filter 210,220 is discharged to above-mentioned filtered water outlet 120 through above-mentioned upper support board 230.
Above-mentioned compressive plate 240 supports foot filter 220 bottoms, and is formed with and above-mentioned patchhole 211,221 corresponding combined holes 241.
One end of above-mentioned support bar 250 is fixed on above-mentioned upper support board 230, and the other end is fixed on the lower end of above-mentioned outer cover 100, and above-mentioned support bar 250 is inserted in the patchhole 211,221 of above-mentioned filter 210,220 and the combined hole 241 of above-mentioned compressive plate 240.
By the support of above-mentioned support bar 250, above-mentioned filter 210,220 compresses by the above-mentioned compressive plate 240 of above-mentioned compression means 300 risings, and therefore, above-mentioned filter 210,220 is subjected to certain pressure and is compressed, and is not twisted.
Preferably, above-mentioned support bar 250 has a plurality of taps 251, for in the above-mentioned compressive plate 240 that descends by above-mentioned compression means 300, recovery with above-mentioned support bar 250 supply compressed air and the auxiliary above-mentioned filter 210,220 of compressed air by being discharged to above-mentioned tap 251 also has compressed air supplying means (not shown).Total institute is known, and above-mentioned compressed air supplying means is used to supply for example compressed air.
Above-mentioned filter 210,220 rise by above-mentioned compression means 300 above-mentioned compressive plate 240 apply filter under the situation of compression stress after, when removing compression by the above-mentioned compressive plate 240 of above-mentioned compression means 300 declines, because above-mentioned filter 210,220 contains former water, restoring force can reduce, so at above-mentioned support bar 250 supply compressed air, when discharging compressed air, improve the restoring force of above-mentioned filter 210,220 by above-mentioned compressed air by above-mentioned tap 251.Like this, reduce to recover the required time of above-mentioned filter 210,220, thereby shorten backwashing time, prevent the phenomenon that filter is not restored, thereby improve backwash efficient.
Above-mentioned compression means 300, when filtering former water, by the above-mentioned compressive plate 240 that rises, apply compression stress for above-mentioned filter 210,220, thereby dwindle the hole of above-mentioned filter 210,220, also have, above-mentioned compressive plate 240 descends during with above-mentioned filter 210,220 backwashes, releasing is to the compression stress of above-mentioned filter 210,220, thereby enlarges above-mentioned filter 210,220 holes.
On above-mentioned compression means 300, has the cylinder arm 310 (cylinder arm) that is connected with compressive plate 240 by lower panel 102.Above-mentioned compressive plate 240 is received the compression stress that applies by compression means 210 from cylinder arm 310, outer cover 100 inner risings and decline, so can apply or remove compression stress at above-mentioned filter 210,220.In topmost filter 210 upper ends the upper support board 230 with hollow 231 is arranged, be applied to compression stress at above-mentioned filter 210,220 with support.
Above-mentioned filter gripper shoe 260 places between topmost filter 210 tops, foot filter 220 bottoms and the above-mentioned filter 210,220, is applied to the compression stress of above-mentioned filter 210,220 with dispersion, and the above-mentioned filter 210,220 that is interconnected.Because the compression stress that provides by compression means 300 is fed to each filter 210,220 after disperseing, so the hole of filter 210,220 becomes even.Also have,, therefore prevent the distortion of above-mentioned filter 210,220 owing to the compression stress that provides by compression means 300 is disperseed.
Above-mentioned filter gripper shoe 260 is formed by the rubber-like material, the compression stress that is applied to above-mentioned filter 210,220 is disperseed, thereby when preventing that above-mentioned filter 210,220 is out of shape, because filter gripper shoe 260 and 210,220 airtight being close to of filter, thereby play sealing function.
Preferably, above-mentioned filter gripper shoe 260 is inserted in the inner peripheral of above-mentioned filter 210,220, forms the hollow joint portion (still not shown) that combines with above-mentioned filter 210,220.
On drawing, number of filters is illustrated as two, but is not limited thereto quantity, can increase and decrease according to the ability of operation side.When inserting a plurality of filter, configuration filter gripper shoe 260 respectively between each filter, thus can the pressure that be applied to each filter is even, also make the hole of each filter even.
The method of operating of above-mentioned variable filter-type filter is as follows.
As shown in Figure 4, when filtering former water, by above-mentioned compression means 300, rising compressive plate 240, when applying compression stress for filter 210,220, above-mentioned filter 210,220 is compressed when being supported by above-mentioned support bar 250, thereby the hole of filter 210,220 dwindles.By former water inlet 110, inject former water, when former water was injected into the lateral surface of filter 210,220, the material bigger than the hole stayed each filter 210,220 outsides, passed through upper support board 230 by the filtered water of above-mentioned filter 210,220 and was discharged to filtered water outlet 120.
As shown in Figure 5, in the time of backwash filter, by above-mentioned compression means 300, remove compression stress, during decline compressive plate 240, along with the recovery of filter 210,220, restore in the hole of filter 210,220.In order to improve the restoring force of above-mentioned filter 210,220, by above-mentioned compressed-air actuated supplying means, compressed air is supplied to above-mentioned support bar 250, discharge compressed air from above-mentioned tap 251.Like this, above-mentioned filter 210,220 restores to reset condition rapidly by the compressed air of above-mentioned tap 251 discharges.
Under the situation of restoring above-mentioned filter 210,220, by backwashing water inlet 130, during the supply flushing water, by upper support board 230, flushing water moves to lateral surface from filter 210,220 inside, is discharged to former water inlet 110 with the foreign body of above-mentioned filter 210,220 lateral surfaces.
Have benefited from the present invention, has the very macropore of can naked eyes confirming, owing to use shrinkage and the outstanding Foamex filter of elasticity, can improve backwash efficient, be sent to the filter gripper shoe of filter by certain compression stress of compression means with it, can be certain keep filter hole, thereby improve filter efficiency.In addition, be compressed when supporting,, thereby effectively prevent the twisted phenomena of filter so the compression stress of compression means 300 is evenly passed on owing to the supported bar of filter.
Also have,, therefore do not need extra means,, can provide to the consumer and use the variable filter-type filter that scope of design is extensive and manufacturing expense is cheap according to the capacity of filtered water owing to utilize the compression stress of compression means.
Also have, when removing the filter compression stress, utilize compressed air to restore filter for backwash filter, the time of therefore recovering required is shorter, when can shorten backwashing time, prevent the phenomenon that filter 210,220 is not restored, improve backwash efficient.
Meanwhile, adopt easy and convenient filter backwash mode, can reduce the filter service expense.
Claims (5)
1. the filter with variable filter is characterized in that, comprising:
Outer cover (100) with drum of former water inlet (110) and filtered water outlet (120);
Form by Foamex, be provided with continuously, have the hollow bulb of raw water filtration and injection, have a plurality of cylinder filters (210,220) of the patchhole (211,221) of radial arrangement more than 2 or 2 at least in above-mentioned outer cover (100) inside;
Support the top of topmost filter (210) and the upper support board (230) that is communicated with above-mentioned filtered water outlet (120);
Support the bottom of foot filter (220) and the compressive plate (240) of formation and the corresponding combined hole (241) of above-mentioned patchhole (211);
One end is fixed on above-mentioned upper support board (230), and the other end is fixed on the lower end of above-mentioned outer cover (100), and is inserted in the support bar (250) of the combined hole (241) of the patchhole of above-mentioned filter (210,220) and above-mentioned compressive plate (240); And
When filtering former water, above-mentioned compressive plate (240) is applied to above-mentioned filter (210,220) with compression stress by rising, thereby dwindle the hole of above-mentioned filter (210,220), and, during with above-mentioned filter (210,220) backwash, by the above-mentioned compressive plate (240) that descends, remove compression stress, thereby enlarge the compression means (300) in above-mentioned filter (210,220) hole above-mentioned filter (210,220).
2. the filter with variable filter as claimed in claim 1 is characterized in that, also comprises:
Above-mentioned support bar (250) has a plurality of taps (251), also has the compressed air supplying means, and have a compressed air supplying means, its be used for that compressed air is fed to described support bar (250) and when compressive plate (240) descends by compression means (300) by be discharged to the recovery of compressed air after-filter (210,220) through tap (251).
3. the filter with variable filter as claimed in claim 1 is characterized in that, above-mentioned outer cover (100) also is included in the backwashing water inlet (130) that above-mentioned upper support board (230) top is communicated with above-mentioned upper support board (230).
4. the filter with variable filter as claimed in claim 1 or 2 is characterized in that, also comprises:
Filter gripper shoe (260), it places between topmost filter (210) top, foot filter (220) bottom and the above-mentioned filter (210,220), thereby disperse to be applied to the compression stress of above-mentioned filter (210,220), and be interconnected with above-mentioned filter (210,220).
5. the filter with variable filter as claimed in claim 1 or 2 is characterized in that,
Above-mentioned outer cover (100) has the perspective window (140) that is used to observe its inside.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0047637 | 2008-05-22 | ||
KR1020080047637A KR100875389B1 (en) | 2008-05-22 | 2008-05-22 | Filtration device having variable filter |
PCT/KR2009/001567 WO2009142389A1 (en) | 2008-05-22 | 2009-03-27 | Filtration device having variable filter |
Publications (2)
Publication Number | Publication Date |
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CN101959570A true CN101959570A (en) | 2011-01-26 |
CN101959570B CN101959570B (en) | 2013-07-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801060079A Expired - Fee Related CN101959570B (en) | 2008-05-22 | 2009-03-27 | Filtration device having variable filter |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100875389B1 (en) |
CN (1) | CN101959570B (en) |
WO (1) | WO2009142389A1 (en) |
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KR100942270B1 (en) * | 2009-07-30 | 2010-02-16 | 정수환 | Filtration device having variable filter |
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KR102286904B1 (en) * | 2019-10-28 | 2021-08-05 | 정수환 | Variable filter type filtration device easy to back-wash |
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JPS5547111A (en) * | 1978-09-28 | 1980-04-03 | Yoshio Tomita | Method and apparatus for filtration using fiber assembly or porous material possessing expansibility and elasticity as filtering medium |
CN2649159Y (en) * | 2003-06-19 | 2004-10-20 | 清华同方股份有限公司 | Upward-flowing compressible filtering device |
CN1962020A (en) * | 2005-11-07 | 2007-05-16 | 上海凡清环境工程有限公司 | Float push-pull type fiber filter |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR100241198B1 (en) | 1997-09-30 | 2000-02-01 | 최충현 | Variable pore micro filter |
KR100851171B1 (en) * | 2002-06-05 | 2008-08-08 | 주식회사 포스코 | An apparatus for filtering a cooling water with scales |
KR100571100B1 (en) * | 2003-11-10 | 2006-04-14 | 주식회사 고려산업 | Filtration Plate for using Line and Filtration Appartus for use in such Filtration Plate |
-
2008
- 2008-05-22 KR KR1020080047637A patent/KR100875389B1/en active IP Right Grant
-
2009
- 2009-03-27 WO PCT/KR2009/001567 patent/WO2009142389A1/en active Application Filing
- 2009-03-27 CN CN2009801060079A patent/CN101959570B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5547111A (en) * | 1978-09-28 | 1980-04-03 | Yoshio Tomita | Method and apparatus for filtration using fiber assembly or porous material possessing expansibility and elasticity as filtering medium |
CN2649159Y (en) * | 2003-06-19 | 2004-10-20 | 清华同方股份有限公司 | Upward-flowing compressible filtering device |
CN1962020A (en) * | 2005-11-07 | 2007-05-16 | 上海凡清环境工程有限公司 | Float push-pull type fiber filter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108434837A (en) * | 2018-03-21 | 2018-08-24 | 广州市赛昊环保设备有限公司 | A kind of environment-friendly high-efficiency sewage-treatment plant |
CN109626612A (en) * | 2018-12-21 | 2019-04-16 | 九阳股份有限公司 | A kind of scale inhibition element kit |
CN109626612B (en) * | 2018-12-21 | 2022-05-03 | 九阳股份有限公司 | Scale inhibition filter element assembly |
Also Published As
Publication number | Publication date |
---|---|
WO2009142389A1 (en) | 2009-11-26 |
KR100875389B1 (en) | 2008-12-23 |
CN101959570B (en) | 2013-07-24 |
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