CN101721847A - Filter element for filtering high-viscosity fluid - Google Patents
Filter element for filtering high-viscosity fluid Download PDFInfo
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- CN101721847A CN101721847A CN200910211761A CN200910211761A CN101721847A CN 101721847 A CN101721847 A CN 101721847A CN 200910211761 A CN200910211761 A CN 200910211761A CN 200910211761 A CN200910211761 A CN 200910211761A CN 101721847 A CN101721847 A CN 101721847A
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- filter
- supporter
- filter core
- filter element
- screen pack
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Abstract
The invention discloses a filter element for filtering high-viscosity fluid, comprising a supporting body with a filtration pore and a filter screen which is arranged at outer side of the supporting body and covers the filtration pore, the inner side of the supporting body is communicated with a filter element discharging port, the outer side of the supporting body is that one side of the supporting body is communicated with the filter element charging port, and the inner side of the filter element discharge port is that one side of the supporting body is communicated with the filter element discharging port; the filter element in the invention has high-pressure resistance, is hard to damage and has long service life; the filter element can be applied to the filter which carries out back flushing, when the filter element is plugged, on-line back flushing can be realized, continuous on-line work of the filter can be realized and the maintaining cost is low.
Description
Technical field
The present invention relates to a kind of filter core that is used for filtering high-viscosity fluid, but relate in particular to a kind of filter core that is used for filtering high-viscosity fluid of back flush.
Background technology
The impurity that in the Process Technology of Polymer process solution or melt is filtered to remove in solution or the melt is one of factor that is related to its processing characteristics of product and quality, is vital in filtering technique process in some cases to the influence of processing characteristics and quality.In most of the cases filter process need carry out continuously, keeps less pressure oscillation.Existing filter assemblies volume is big, withstand voltage low, and maintenance cost height, filter core can not on-line cleaning, and filter screen must split out cleaning after stopping up from filter, and scavenging period is long, influences filter screen service life, and what be unfavorable for producing carries out continuously.In addition, because the replacing of filter core can lose time and material, so can reduce the replacing frequency of filter core in the production process, the filter core that some parts stops up also can continue to use as far as possible, and the filter core that these parts are stopped up can bring the fluctuation of filter effect and pressure.If can online flushing just can overcome the above problems preferably.
Summary of the invention
The object of the invention provides a kind of filter core that is used for filtering high-viscosity fluid, but its volume is little, high pressure resistant, the low online backflushing of maintenance cost is washed, long service life.
Technical scheme of the present invention is: a kind of filter core that is used for filtering high-viscosity fluid, comprise supporter with filter opening and the screen pack of living filter opening in the supporter outer side covers, described supporter is inboard to be communicated with the filter core discharging opening, here the supporter inboard and the outside are defined as: during the work of filter normal filtration, unfiltered macromolecule melt place one side is the supporter outside, has been the supporter inboard through macromolecule melt place one side of filtering.Described screen pack also is provided with protector outward, is provided with the charging gap between described protector and the screen pack, and the gap length in described charging gap is during with back flush, and protector can be advisable for screen pack provides secure support.Supporter and protector lay respectively at the both sides of screen pack, are respectively applied for when carrying out normal filtration and back flush, and screen pack is supported.
Further, the edge of described screen pack and supporter are close to fixing.Prevent that screen pack is dashed from supporter when back flush.
Further, described supporter is inboard, and described filter opening is located on the support body wall of runner both sides in order to have the hollow structure of runner, and described screen pack is covered in the outside of supporting body wall, and described runner is communicated with the filter core discharging opening.
Further, the described filter core of crossing also comprises respectively and supporter and the fixing positioning and fixing piece of protector.Be used for supporter and protector are interfixed.
Advantage of the present invention is:
1, the present invention cross filter core can be high pressure resistant, not fragile, long service life.
2, the present invention can be applied in and can carry out on the filter of back flush, make when crossing the filter core obstruction, but working online continuously of filter washed, realized to online backflushing that maintenance cost is low.
Description of drawings
Structural representation when Fig. 1 is specific embodiment of the invention forward filter;
Fig. 2 is the local enlarged diagram at I place among Fig. 1;
Structural representation when Fig. 3 is specific embodiment of the invention back flush;
Fig. 4 is an application example schematic diagram of the present invention.
Wherein: 1 supporter; 2 screen packs; 3 protectors; 4 charging gaps; 5 filter core discharging openings; 6 charging apertures; 7 discharging openings; 8 filter chambers; 9 filter openings; 10 discharge gates; 11 transfer valves; 12 fixtures; 13 runners; 14 support body wall; 15 positioning and fixing pieces.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: as shown in Figure 1 to Figure 3; a kind of filter core that is used for filtering high-viscosity fluid; comprise supporter 1 with filter opening 9 and the screen pack 2 of living filter opening 9 in supporter 1 outer side covers; described supporter 1 inboard is for having the hollow structure of runner 13; concrete; the cross section of supporter 1 is the U type; the hollow space of U type is a runner 13; the both sides of U type are for supporting body wall 14; described runner 13 is communicated with filter core discharging opening 5 by the opening portion of U type; described filter opening 9 is located on the support body wall 14 of both sides; described screen pack 2 is covered in two outsides of supporting body wall 14 respectively; the screen pack 2 outer protectors 3 that also are respectively equipped with of described both sides, described protector 3 be arranged in parallel with the lateral surface that supports body wall 14 towards the one side of screen pack 2, makes to be formed with charging gap 4 between described protector 3 and the screen pack 2.Supporter 1 and protector 3 lay respectively at the both sides of screen pack 2 like this, are respectively applied for when carrying out normal filtration and back flush, and screen pack 2 is supported, and make screen pack 2 not fragile when the macromolecule melt of high pressure passes through.
The edge of described screen pack 2 and supporter 1 are close to fixing.Prevent that screen pack 2 is dashed from supporter 1 when back flush.
The described filter core of crossing also comprises respectively the positioning and fixing piece 15 fixing with supporter 1 and protector 3.
During forward filter, as depicted in figs. 1 and 2, macromolecule melt enters charging gap 4 between screen pack 2 and the protector 3 by charging aperture, filters the back through filter screen 2 again and flowing to filter core discharging opening 5 by the runner on the supporter 1 13.Screen pack is close on supporter 1 outer surface in this process, is subjected to overfill protection of supporter, so screen pack 2 can bear the high pressure effect and can not damage.
During reverse filtration, as shown in Figure 3, macromolecule melt filters the back through filter screen 2 again and flows to charging aperture by charging gap 4 by crossing the runner 13 that filter core discharging opening 5 enters on the supporter 1.In this process, because the pressure effect, screen pack 2 edges are attached on the supporter 1, and screen pack 2 middle parts are dashed the surface that is close to protector 3 from supporter, are protected an overfill protection of device 3, and screen pack 2 can bear the high pressure effect equally and can not damage at this moment.
User mode of the present invention, as shown in Figure 4, a kind of fondant filter, comprise two filter chambers 8 between charging aperture 6, discharging opening 7 and charging aperture 6 and the discharging opening 7, the filter core of crossing of the present invention is located between the inlet/outlet of described filter chamber 8, described filter core discharging opening 5 is communicated with the outlet of filter chamber 8, and described charging gap 4 is communicated with the inlet of filter chamber 8, and described filter also is provided with discharge gate 10.Be provided with transfer valve 11 between the inlet of each filter chamber 8 and charging aperture 6 and the discharge gate 10, the outlet of described at least two filter chambers 8 is interconnected and is communicated with discharging opening 7 simultaneously.Be provided with fixture 12 in the described filter chamber 8, described positioning and fixing piece 15 is fixed on the fixture 12.
When the filter chamber on the left side 8 normal filtration were worked, the transfer valve 11 on the left side made charging aperture 6 be communicated with the inlet of filter chamber 8, and the transfer valve 11 on the right is in closed condition, and the filter chamber 8 on the right is idle; The macromolecule melt that enter from charging aperture 6 this moment enters filter chamber, the left side 8, enter into runner 13 from the charging gap 4 of crossing filter core through the filter opening 9 on screen pack 2 and the supporter 1, and then flow out from discharging opening 7 at last through filter chamber's 8 outlets from crossing filter core discharging opening 5.
When the pressure differential between filter charging aperture 6 and the discharging opening 7 reaches a certain setting value, the screen pack 2 that shows the filter chamber 8 on the left side stops up, this moment, transfer valve 11 rotations on the left side made the inlet of filter chamber, the left side 8 be communicated with the discharge gate 10 on the left side, and the transfer valve 11 on the right rotates and makes charging aperture 6 be communicated with the inlet of filter chamber, the right 8.After on the right of macromolecule melt enters from charging aperture 6 come out from the outlet of filter chamber, the right 8 through filter element filterings in filter chamber 8, flow out from discharging opening 7 through a macromolecule melt part of filtering, the outlet of another part through filter chamber, the left side 8 enters filter chamber 8, and the filter core discharging opening 5 of crossing of crossing filter core from filter chamber, the left side 8 entered filter core, flow out from this charging gap 4 of crossing filter core again, after the inlet of filter chamber, the left side 8 to left side discharge gate 10 be discharged from.When filter chamber, the left side 8 be cleaned finish after, left side transfer valve 11 switches to closed condition, filter chamber's 8 normal filtration work on this moment the right, the melt after the filtration all flows out from discharging opening 7.When the filter core obstruction is crossed on the right side, make left side transfer valve 11 be communicated with charging apertures 6 and filter chamber, left side 8 inlets, the right transfer valve 11 is communicated with the right discharge gates 10 and filter chamber, the right 8 enters the mouth, and carries out the right side and crosses the filter core flushing.By switching repeatedly, can realize that filter works online and on-line cleaning continuously like this.
The present invention crosses filter core can be high pressure resistant, not fragile, long service life; It can be applied in and can carry out on the filter of back flush, make when crossing the filter core obstruction, but working online continuously of filter washed, realized to online backflushing that maintenance cost is low.
Claims (4)
1. filter core that is used for filtering high-viscosity fluid; comprise the have filter opening supporter (1) of (9) and the screen pack (2) of living filter opening (9) in supporter (1) outer side covers; described supporter (1) is inboard to be communicated with filter core discharging opening (5); it is characterized in that: described screen pack (2) is outer also to be provided with protector (3), is provided with charging gap (4) between described protector (3) and the screen pack (2).
2. the filter core that is used for filtering high-viscosity fluid according to claim 1 is characterized in that: the edge of described screen pack (2) and supporter (1) are close to fixing.
3. the filter core that is used for filtering high-viscosity fluid according to claim 2, it is characterized in that: described supporter (1) is inboard for having the hollow structure of runner (13), described filter opening (9) is located on the support body wall (14) of runner (13) both sides, described screen pack (2) is covered in the outside of supporting body wall (14), and described runner (13) is communicated with filter core discharging opening (5).
4. the filter core that is used for filtering high-viscosity fluid according to claim 3 is characterized in that: the described filter core of crossing also comprises respectively the positioning and fixing piece of fixing with supporter (1) and protector (3) (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910211761 CN101721847B (en) | 2009-11-03 | 2009-11-03 | Filter element for filtering high-viscosity fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910211761 CN101721847B (en) | 2009-11-03 | 2009-11-03 | Filter element for filtering high-viscosity fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101721847A true CN101721847A (en) | 2010-06-09 |
| CN101721847B CN101721847B (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910211761 Active CN101721847B (en) | 2009-11-03 | 2009-11-03 | Filter element for filtering high-viscosity fluid |
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| Country | Link |
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| CN (1) | CN101721847B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103608077A (en) * | 2011-03-14 | 2014-02-26 | 克赖恩博格持股管理有限责任两合公司 | Filtering device for high-viscosity fluids |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2254368Y (en) * | 1996-04-08 | 1997-05-21 | 史美全 | Acid bath filter |
| CN2396868Y (en) * | 1999-11-25 | 2000-09-20 | 沈坚 | Automatic dirt-removing magnetic filter no need to replace element |
| CN200995089Y (en) * | 2006-08-28 | 2007-12-26 | 黎泽荣 | Fluid filter |
| CN101161328A (en) * | 2006-10-12 | 2008-04-16 | 姚宇 | Slagoff type stereo filter |
| CN201543310U (en) * | 2009-11-03 | 2010-08-11 | 苏州汇龙膜技术发展有限公司 | Polymer melt and filter core |
-
2009
- 2009-11-03 CN CN 200910211761 patent/CN101721847B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103608077A (en) * | 2011-03-14 | 2014-02-26 | 克赖恩博格持股管理有限责任两合公司 | Filtering device for high-viscosity fluids |
| CN103608077B (en) * | 2011-03-14 | 2016-05-04 | 诺信控股有限责任及两合公司 | For the filter of high viscosity fluid |
| US9504938B2 (en) | 2011-03-14 | 2016-11-29 | Nordson Holdings S.a.r.l. & Co. KG | Filtering device for high-viscosity fluids |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101721847B (en) | 2013-01-16 |
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Effective date of registration: 20160921 Address after: 224300 Jiangsu Province, Yancheng City County of Sheyang Sheyang Port Economic Zone Jinhai Road on the eastern side weft two Road North Patentee after: Yancheng sea Purun Membrane Technology Co Ltd Address before: 215163 Suzhou province new city science and Technology City Longshan Road, No. 10, No. Patentee before: Suzhou Huilong Membrane Technology Development Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 224300 north side of Panshi road and east side of Jiancai Third Road, Sheyang Port Economic Zone, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Yancheng hiprun Technology Co., Ltd Address before: 224300, Jiangsu, Yancheng City County, Sheyang Sheyang Economic Zone, east of Jinhai Road, north latitude road two Patentee before: Yancheng sea Purun Membrane Technology Co Ltd |