CN101700443A - High-viscosity fluid filtering device with backwashing function - Google Patents
High-viscosity fluid filtering device with backwashing function Download PDFInfo
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- CN101700443A CN101700443A CN200910211760A CN200910211760A CN101700443A CN 101700443 A CN101700443 A CN 101700443A CN 200910211760 A CN200910211760 A CN 200910211760A CN 200910211760 A CN200910211760 A CN 200910211760A CN 101700443 A CN101700443 A CN 101700443A
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Abstract
The invention discloses a high-viscosity fluid filtering device with backwashing function, which comprises a feeding hole, a discharging hole and at least two filtering chambers arranged between the feeding hole and the discharging hole, wherein a filter element is arranged in each filtering chamber which is also provided with a drain hole, switching valves are arranged between an inlet of each filtering chamber and the feeding hole and between the inlet of the each filtering chamber and the drain hole, and outlets of the at least two filtering chambers are communicated mutually and are communicated with the discharging hole. The invention has compact structure, small size, low maintenance cost, high working efficiency and long service life, can carry out the on-line backwashing, realizes the continuous on-line working of a filter, and is an ideal device for filtering macromolecular melts.
Description
Technical field
The present invention relates to a kind of high-viscosity fluid filtering device with backwashing function.
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 high-viscosity fluid filtering device with backwashing function, its compact conformation, and volume is little, but online backflushing is washed, and has realized working online continuously of filter, and maintenance cost is low, high efficiency, long service life is the ideal equipment that macromolecule melt filters.
Technical scheme of the present invention is: a kind of high-viscosity fluid filtering device with backwashing function, comprise the filter chamber between charging aperture, discharging opening and charging aperture and the discharging opening, be provided with filter core in the described filter chamber, described filter also is provided with discharge gate, described filter chamber comprises at least two, be provided with transfer valve between the inlet of each filter chamber and charging aperture and the discharge gate, the outlet of described at least two filter chambers is interconnected and is communicated with discharging opening simultaneously.Transfer valve can switch as required, and the controlled filter chamber inlet is to be communicated with charging aperture, still is communicated with discharge gate.
Further; describedly cross the protector that filter core comprises supporter with filter opening, lives the screen pack of filter opening and be located at the screen pack outside in the supporter outer side covers; described supporter is inboard to be communicated with the filter core discharging opening; be provided with the charging gap that is communicated with the inlet of filter chamber between described protector and the screen pack; the gap length in described charging gap is during with back flush, and protector can be advisable for screen pack provides secure support.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.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, and make that screen pack can be high pressure resistant, and the life-span is long.Certainly, except the filter core excessively of this structure, the filter core excessively that can carry out other structure of forward and reverse flushing also can be adopted by filter of the present invention, and the effect that is anti-high pressure may not have the technical program good.
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 outlet of filter chamber by the filter core discharging opening.
Further, the described filter core of crossing comprises also respectively and supporter and the fixing positioning and fixing piece of protector that be provided with fixture in the described filter chamber, described positioning and fixing piece and fixture are fixed, and make filter core by firm being fixed in the filter chamber.
Further, be arranged in parallel some filter cores of crossing in described each filter chamber, again several filter chambers be together in parallel, so just can obtain different filter areas and flux, can adapt to different engineering demands.
Further, for making the melt filtration better effects if, can outside the filter chamber, install calandria additional.
Advantage of the present invention is:
1, present invention can be implemented in the line back flush, make when crossing filter core and stop up, will cross filter core and take off cleaning, realized working online continuously of filter, enhance productivity and maintenance cost low.
2. the filter core of crossing that the present invention adopts can high pressure resistantly wash, and is not fragile, long service life.
Description of drawings
Structural representation when Fig. 1 is filter chamber, the left side normal filtration work of the specific embodiment of the invention;
Fig. 2 is the normal filtration work of filter chamber, specific embodiment of the invention right side, the structural representation the when filter chamber, left side is reversed flushing;
Structural representation when Fig. 3 crosses the filter core forward filter for the specific embodiment of the invention;
Fig. 4 is the local structure for amplifying schematic diagram at I place among Fig. 3;
Structural representation when Fig. 5 crosses the filter core back flush for the specific embodiment of the 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 depicted in figs. 1 and 2, a kind of high-viscosity fluid filtering device with backwashing function, comprise the filter chamber 8 between charging aperture 6, discharging opening 7 and charging aperture 6 and the discharging opening 7, be provided with filter core in the described filter chamber 8, described filter also is provided with discharge gate 10, described filter chamber 8 comprises at least two, is provided with transfer valve 11 between the inlet of each filter chamber 8 and charging aperture 6 and the discharge gate 10, and the outlet of described at least two filter chambers 8 is interconnected and is communicated with discharging opening 7 simultaneously.
The described filter core of crossing comprises 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.
During forward filter, as shown in Figure 3 and Figure 4, 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 5, 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.
The described filter core of crossing also comprises respectively the positioning and fixing piece 15 fixing with supporter 1 and protector 3, is provided with fixture 12 in the described filter chamber 8, and described positioning and fixing piece 15 is fixing with fixture 12.Fixture 12 is and the column of filter housings screw fixed in the present embodiment, and the melt that mistake filter core discharging opening 5 flows out can flow out along the special runner between fixture 12 column peripheries and the filter housings.Described positioning and fixing piece 15 is the sheathed outer ring bodies of this column that is fixed on, and described supporter 1 and protector 3 are the sheathed ring bodies that is fixed on outside the positioning and fixing piece 15.
Be arranged in parallel two groups in described each filter chamber 8 and crossed filter core.Present embodiment only shows the situation that filter has two filter chambers 8, and a filter can also be according to filtering the more a plurality of filter chambers that are arranged in parallel 8 of needs setting in fact.
The course of work of the present invention is as follows:
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, as shown in Figure 1; 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, the transfer valve 11 on the right rotates and makes charging aperture 6 be communicated with the inlet of filter chamber, the right 8, as shown in Figure 2.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.
Compact conformation of the present invention, volume is little, but online backflushing wash, realized working online continuously of filter, maintenance cost is low, high efficiency, long service life is the ideal equipment that macromolecule melt filters.
Claims (5)
1. high-viscosity fluid filtering device with backwashing function, comprise the filter chamber (8) between charging aperture (6), discharging opening (7) and charging aperture (6) and the discharging opening (7), described filter chamber was provided with filter core in (8), it is characterized in that: described filter also is provided with discharge gate (10), described filter chamber (8) comprises at least two, be provided with transfer valve (11) between 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.
2. the high-viscosity fluid filtering device with backwashing function according to claim 1; it is characterized in that: the described filter core of crossing comprises the supporter (1) of (9) that has filter opening, the protector (3) of living the screen pack (2) of filter opening (9) and being located at screen pack (2) outside in supporter (1) outer side covers; described supporter (1) is inboard to be communicated with filter core discharging opening (5), is provided with the charging gap (4) that is communicated with the inlet of filter chamber (8) between described protector (3) and the screen pack (2).
3. the high-viscosity fluid filtering device with backwashing function 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 the outlet of filter chamber (8) by filter core discharging opening (5).
4. the high-viscosity fluid filtering device with backwashing function according to claim 3; it 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); be provided with fixture (12) in the described filter chamber (8), described positioning and fixing piece (15) is fixing with fixture (12).
5. the high-viscosity fluid filtering device with backwashing function according to claim 2 is characterized in that: be arranged in parallel some filter cores of crossing in described each filter chamber (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102117606A CN101700443B (en) | 2009-11-03 | 2009-11-03 | High-viscosity fluid filtering device with backwashing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102117606A CN101700443B (en) | 2009-11-03 | 2009-11-03 | High-viscosity fluid filtering device with backwashing function |
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| Publication Number | Publication Date |
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| CN101700443A true CN101700443A (en) | 2010-05-05 |
| CN101700443B CN101700443B (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102117606A Active CN101700443B (en) | 2009-11-03 | 2009-11-03 | High-viscosity fluid filtering device with backwashing function |
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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 |
| CN103687655A (en) * | 2011-06-01 | 2014-03-26 | 凯恩伯格行政和控股有限两合公司 | Filtering device for highly viscous fluids |
| CN108295531A (en) * | 2018-04-16 | 2018-07-20 | 浙江绿宇环保股份有限公司 | Filtration system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1781395A4 (en) * | 2004-07-12 | 2008-10-01 | Schroeder Ind Llc | Replaceable filter element with integral annular trap |
| CN101161328A (en) * | 2006-10-12 | 2008-04-16 | 姚宇 | Slagoff type stereo filter |
| CN201157713Y (en) * | 2007-12-07 | 2008-12-03 | 罗爱玲 | Novel filtering core |
-
2009
- 2009-11-03 CN CN2009102117606A patent/CN101700443B/en active Active
Cited By (7)
| 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 |
| CN103687655A (en) * | 2011-06-01 | 2014-03-26 | 凯恩伯格行政和控股有限两合公司 | Filtering device for highly viscous fluids |
| CN103687655B (en) * | 2011-06-01 | 2015-10-21 | 诺信控股有限责任及两合公司 | For the filter of high viscosity fluid |
| CN108295531A (en) * | 2018-04-16 | 2018-07-20 | 浙江绿宇环保股份有限公司 | Filtration system |
| CN108295531B (en) * | 2018-04-16 | 2023-09-22 | 浙江绿宇环保有限公司 | Filtration system |
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| Publication number | Publication date |
|---|---|
| CN101700443B (en) | 2011-10-05 |
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Effective date of registration: 20160926 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 | ||
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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 |