CN102716608B - Automatic back washing carbon fiber filter - Google Patents
Automatic back washing carbon fiber filter Download PDFInfo
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- CN102716608B CN102716608B CN201210187803.3A CN201210187803A CN102716608B CN 102716608 B CN102716608 B CN 102716608B CN 201210187803 A CN201210187803 A CN 201210187803A CN 102716608 B CN102716608 B CN 102716608B
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Abstract
The invention discloses an automatic back washing carbon fiber filter which comprises a support, a cavity and a mesh cage. The cavity is arranged on the support, the mesh cage is arranged in the cavity, a filter screen is arranged on the mesh cage, a discharge chamber is formed between the mesh cage and the cavity, a hollow portion of the mesh cage is a feeding chamber, and a material inlet and a material outlet are arranged on the cavity. The automatic back washing carbon fiber filter is characterized in that a first pressure sensor is arranged at the material inlet, a second pressure sensor is arranged at the discharge chamber, a center shaft with a cavity penetrates through the cavity, a through hole is arranged on one side of the center shaft and communicated with the cavity of the center shaft, sealing modules are mounted on the center shaft and contact with the mesh cage in a sealing manner, and a residue discharging chamber is formed by the two sealing modules, the mesh cage and the cavity of the center shaft. The automatic back washing carbon fiber filter has the advantages that the mesh cage can be automatically back washed, the washing process is fast and convenient, and the filter is scientific in structure and high in working efficiency.
Description
Technical field
The present invention relates to a kind of carbon fiber filter, what be specifically related to is a kind of carbon fiber filter with automatic back-flushing function.
Background technology
Carbon fiber filter major function is to remove the gel particles producing in carbon fiber polymerization process, so that the melt after filtering meets technological requirement.Meet this technological requirement, also there is no desirable filter at present.In Chinese patent database, a kind of notification number is CN201728010U, name is called high-pressure carbon fiber melt filter and discloses following content: a kind of high-pressure carbon fiber melt filter, comprise frame and consider chamber, consider upper end, chamber and be provided with installing plate and discharging lid, filter core was installed on installing plate, considering chamber is 2,2 lower ends of considering chamber are provided with charging transfer valve, 2 crusher discharge end covers of considering chamber are provided with discharging transfer valve, described blank transfer valve is provided with backwash valve, and backwash valve can be controlled tapping channel in crusher discharge end cover and the break-make of backwash tube.The filter of this structure, can only be used for Minifab, its course of work is comparatively complicated, and is to adopt candle fold filter core, backwash effect extreme difference, after must switching, clear up, complex operation, labor strength is large, the bad cleaning of Wrinkled filter core only has calcining, easily damage, operating cost is high, has been not suitable for the needs of industrialized production.
Summary of the invention
In view of the deficiency that background technology exists, the technical problem to be solved in the present invention is to provide a kind of carbon fiber filter that can automatic backwash.
For this reason, the present invention adopts following technical scheme to realize: a kind of automatic backwash carbon fiber filter, comprise support, cavity and cylinder mould, described cavity is arranged on described support, described cylinder mould is arranged in described cavity, on described cylinder mould wall, be evenly placed with material diversion hole, and on cylinder mould, be provided with screen pack, between wherein said cylinder mould and described cavity, form filter rear chamber, the hollow part Wei Lv front chamber of described cylinder mould, described filter front chamber is provided with material inlet, described filter rear chamber is provided with material outlet, it is characterized in that described material inlet place is provided with the first pressure sensor, place of described filter rear chamber is provided with the second pressure sensor, in described cavity, pass the central shaft with cavity, a side at described central shaft offers discharge through hole, described discharge through hole communicates with the cavity of described central shaft, and on described central shaft, seal modules is installed, described seal modules contacts with described cylinder mould sealing, and wherein two seal modules, the cavity of cylinder mould and central shaft forms a deslagging chamber.
Described central shaft is provided with mounting blocks, and described mounting blocks is connected with template lid, and described seal modules is arranged on described template and covers, and is provided with the first spring between seal modules and described mounting blocks.
Described central shaft is provided with scraper, and described scraper contacts with the inwall of described cylinder mould.
Described central shaft is provided with mounting blocks, and described scraper is arranged on described mounting blocks by knife rest, and is connected by the second spring with knife rest at the afterbody of scraper.
In described cavity, be provided with a pair of clamping seats, on described clamping seats, be separately installed with clamp, described a pair of clamping seats connects by bolt, on wherein said clamp, there is shifting chute, and a side of clamp has inclined-plane, this inclined-plane mates with described clamping seats, and described bolt is through the shifting chute on described clamp.
This structure of the present invention, cylinder mould filtered after a period of time, the impurity of carbon fiber just can be blocked in the material diversion hole of cylinder mould, along with the carrying out of filtering, the pressure reduction of charging chamber and discharging chamber constantly rises, in the time that actual pressure differential value is more than or equal to the beginning backwash pressure reduction of system-computed, filter starts backwash, be that central shaft rotates, make tamper in cylinder mould material diversion hole be rushed at and in deslagging chamber, carry out deslagging by the pressure in discharging chamber, its automaticity is very high, and rinses quick and conveniently, has improved largely the operating efficiency of filter.
Brief description of the drawings
Further describe by reference to the accompanying drawings again details of the present invention below.
Fig. 1 is structure chart of the present invention;
Fig. 2 is the cutaway view of Fig. 1 of the present invention along A-A;
Fig. 3 is the structure chart that seal modules is installed on central shaft of the present invention;
Fig. 4 is the sectional view that seal modules is installed on central shaft of the present invention;
Fig. 5 is wire mesh cage structures figure of the present invention;
Fig. 6 is the structure chart of Fig. 5 of the present invention along B-B;
Fig. 7 is control system schematic diagram of the present invention;
Fig. 8 is control system logic chart of the present invention.
Mark 1-support in figure, 2-cavity, 3-discharge through hole, the outlet of 4-heating agent, 5-clamping seats, 6-bolt, 7-clamp, 8-temperature controller, 9-electric heater unit, 10-motor, the 11-the first spring, 12-cylinder mould, 13-material diversion hole, 14-material outlet, 15-cavity, 16-filter rear chamber, the 17-the second pressure sensor, 18-screen pack, the import of 19-heating agent, 20-central shaft, the 21-the first pressure sensor, 22-template lid, 23-seal modules, 24-mounting blocks, 25-scraper, 26-knife rest, the 27-the second spring, 28-filter front chamber, 29-material inlet, 30-mounting blocks, 31-shifting chute.
Detailed description of the invention
With reference to accompanying drawing, this automatic backwash melt filtration machine, comprise support 1, cavity 15 and cylinder mould 12, described cavity 15 is arranged on described support 1, described cylinder mould 12 is arranged in described cavity 15, and on cylinder mould 12, be with screen pack 18, between wherein said cylinder mould 12 and described cavity 15, form filter rear chamber 16, the hollow part Wei Lv front chamber 28 of described cylinder mould 12, described filter front chamber 28 is provided with material inlet 29, described filter rear chamber 16 is provided with material outlet 14, described material inlet 29 places are provided with the first pressure sensor 21, 16 places of described filter rear chamber are provided with the second pressure sensor 17, described filter in front chamber 28 through the central shafts 20 with cavity 2, described central shaft 20 is connected with transmission mechanism, the first described pressure sensing 21 is connected with described transmission mechanism by Programmable Logic Controller (not shown in FIG.) with the second pressure sensor 17, wherein the critical component of transmission mechanism is servomotor 10, servomotor 10 is in transmission connection by gear assembly and central shaft 20, a side at described central shaft 20 offers discharge through hole 3, described discharge through hole 3 communicates with the cavity 2 of described central shaft 20, and on described central shaft 20, seal modules 23 is installed, on seal modules 23, there is through hole, described seal modules 23 contacts with described cylinder mould 12 sealings, and wherein two seal modules 23, the cavity 2 of cylinder mould 12 and central shaft 20 forms a deslagging chamber.The present invention is after work, and the cavity 2 of its central shaft 20 communicates with the external world, thereby its deslagging chamber is in atmospheric pressure state.
Described central shaft 20 is provided with mounting blocks 30, described mounting blocks 30 is connected with template lid 22, described seal modules 23 is arranged on described template lid 22, and between seal modules 23 and described mounting blocks 30, be provided with the first spring 11, the setting of this first spring 11, can automatically regulate the seal degree of seal modules 23 and cylinder mould 12 inwalls, avoid filtering front chamber 28 because pressure is excessive and material is entered into deslagging chamber.
Described central shaft 20 is provided with scraper 25, and described scraper 25 contacts with the inwall of described cylinder mould 12.In the process of rotating at central shaft 20, scraper 25 strikes off the impurity that is bonded at cylinder mould 12 inwalls, and the impurity striking off is first fallen in filter front chamber 28, then enter into 13 li, the material diversion hole of cylinder mould 12 with molten polymer, in the time of filter backwash, be discharged to again in deslagging chamber, and after cylinder mould 12 inwall impurity are struck off, more improve the seal degree of seal modules 23 and cylinder mould 12 inwalls.
Described scraper 25 is by swingable being arranged on described mounting blocks 30 of knife rest 26, and is connected by the second spring 27 with knife rest 26 at the afterbody of scraper 25.Consider and in device fabrication process of assembling, there will be the accumulation of some morpheme errors and the in use wearing and tearing of scraper, spring 27 is set can well be compensated these factors.
In described cavity 15, be provided with a pair of clamping seats 5, on described clamping seats 5, be separately installed with clamp 7, cylinder mould 12 has a fixed position with respect to clamp 7, be, in the axial region of cylinder mould 12, material diversion hole 13 is not set, this region faces clamp 7, so that filter fixed dwell in the time not working does not have herein molten polymer and enters deslagging chamber, described a pair of clamping seats 5 connects by bolt 6, on wherein said clamp 7, there is shifting chute 31, and a side of clamp 7 has inclined-plane, this inclined-plane mates with described clamping seats 5, described bolt 6 is through the shifting chute 31 on described clamp 7.Screen pack 18 in the present invention is rectangle structure while expansion, and while being trapped among the outer wall of cylinder mould 12, the relative both sides of rectangle screen pack 18 are clamped by a pair of clamp 7, just screen pack 18 can be clamped and fixes by screwing bolt 6.After the long-time filtration of screen pack 18, easily damaged, therefore can unclamp bolt 6, a pair of clamping seats 5 just unclamps, when clamping seats 5 unclamps, clamp 7 just skids off left along inclined-plane, no longer presses to the both sides of screen pack 18, now just screen pack 18 is taken out to the screen pack more renewing, after replacing, again screw bolt 6, in the process screwing at bolt 6, clamp 7 slides to the right along inclined-plane, and press to the both sides of rectangle filter screen 18, the relative both sides of screen pack 18 are clamped by a pair of clamp 7 again, and tighten up with bolt 6, change quick and convenient.
When the present invention works, filter after a period of time, the gel particles filtering is filtered net 18 and stops in the material diversion hole 13 of cylinder mould 12, cause the impurity in material diversion hole 13 to increase, now, before the first pressure sensor 21 senses the filter in filter front chamber 28, pressure P 1 is raising gradually, and pressure P 2 is reducing gradually after filtering the filter in rear chamber 16, in the time that both pressure differential P1-P2=Δ P reach backwash pressure reduction W setting value, Programmable Logic Controller just can be according to pressure P 1 before the filter of filter front chamber 28, pressure P 2 after filter in filter rear chamber 16, calculate the pressure differential P1-P2=Δ P of filter, bandwidth, start backwash pressure differential deltap Pc, so that controlling servomotor 10 works, realize automatically and controlling.Described bandwidth is the difference between the pressure differential of filter when last time, backwash finished and the pressure differential while starting backwash next time.When servomotor 10 is worked, electronic residual cake valve (not shown in FIG.) is opened simultaneously, now central shaft 20 rotates, in the process of rotating at central shaft 20, deslagging chamber can rotate along the material diversion hole 13 of cylinder mould 12 inwalls and carry out deslagging, be that deslagging chamber can be facing to the material diversion hole 13 of cylinder mould 12, because deslagging chamber is atmospheric pressure state (being P3=0), and the pressure P 2 > P3s of filter in rear chamber, therefore, due to the relation of both pressure differentials, just the impurity in cylinder mould 12 tap holes 13 can be pushed to deslagging chamber, and in discharge through hole 3 by central shaft 20 cavity 2 discharged to central shaft 20, finally impurity being entered to scrap rubber collecting tank by electronic residual cake valve discharges.In the process of rotating at central shaft 20, deslagging chamber communicates with the material diversion hole 13 of cylinder mould 12 successively by the through hole on seal modules 23, therefore, as long as central shaft 20 rotates a circle, the impurity in cylinder mould 12 tap holes 13 will complete screen pack backwash because the relation of pressure differential all presses to deslagging chamber.
In the present invention, at described cavity, 15 upper end cover places are provided with Position Control sensor (not shown), described cavity 15 slag-drip opening places, bottom end cover bottom arrange described electronic residual cake valve, in the surrounding of electronic residual cake valve, one electric heater unit 9 is set, and set temperature controller 31, and there is no heating agent circulation chuck in the bottom of described cavity 15, utilize electric heater unit 9 to carry out liquid phase circulation heating; So just ensured the temperature of cavity 15 bottoms, in the time of backwash, electronic residual cake valve there will not be and freezes material phenomenon.
In the present invention, along with the carrying out of filtering, filter front chamber constantly rises with the pressure reduction in filter rear chamber, and in the time that actual pressure differential value is more than or equal to the beginning backwash pressure reduction W value of Programmable Logic Controller calculating, servomotor 10 starts, and filter starts backwash.Now, electronic residual cake valve is opened automatically, carbon fiber polymer after filter logically under the effect of pressure P 2 of rear chamber 16 is clamp-oned deslagging chamber the gel particles being blocked on screen pack 18 by filtering from the material diversion hole 13 of cylinder mould 12 walls, enters scrap rubber collecting tank by output channel.Now Δ P value starts slowly to decline.During along with drop to≤X0+ of Δ P value bandwidth, (X0 is the actual pressure differential value of the last backwash of filter while finishing), will stop backwash, backwash module homing, by the information of Position Control sensor, servomotor 10 is about to quit work, and electronic residual cake valve cuts out simultaneously, this time backwash end-of-job.
Above-mentioned backwash module refers to the module being made up of central shaft and seal modules, and " being classified as " refers to seal modules 23 in the time of clamp 7 position.
In the time that filter service time is longer, each X0 value constantly rises, and Δ Pc also increases thereupon.In order to protect the service life of filter screen and prolongation filter, set a backwash pressure reduction W, if Δ Pc>W, when the pressure reduction of filter arrives W value, just starts backwash.In the time cleaning after stroke (circle) still △ Pc >=W, can be considered that filter needs draping.
This structure of the present invention, its automaticity is very high, is highly suitable for industrialized production.
Claims (5)
1. an automatic backwash carbon fiber filter, comprise support, cavity and cylinder mould, described cavity is arranged on described support, described cylinder mould is arranged in described cavity, on described cylinder mould wall, be evenly placed with material diversion hole, and on cylinder mould, be provided with screen pack, between wherein said cylinder mould and described cavity, form filter rear chamber, the hollow part Wei Lv front chamber of described cylinder mould, described filter front chamber is provided with material inlet, described filter rear chamber is provided with material outlet, it is characterized in that described material inlet place is provided with the first pressure sensor, place of described filter rear chamber is provided with the second pressure sensor, described filter in front chamber through the central shaft with cavity, a side at described central shaft offers discharge through hole, described discharge through hole communicates with the cavity of described central shaft, and on described central shaft, seal modules is installed, described seal modules contacts with described cylinder mould sealing, and wherein two seal modules, the cavity of cylinder mould and central shaft forms a deslagging chamber.
2. automatic backwash carbon fiber filter according to claim 1, it is characterized in that described central shaft is provided with mounting blocks, described mounting blocks is connected with template lid, and described seal modules is arranged on described template and covers, and is provided with the first spring between seal modules and described mounting blocks.
3. automatic backwash carbon fiber filter according to claim 1, is characterized in that described central shaft is provided with scraper, and described scraper contacts with the inwall of described cylinder mould.
4. automatic backwash carbon fiber filter according to claim 3, is characterized in that described central shaft is provided with mounting blocks, and described scraper is arranged on described mounting blocks by knife rest, and is connected by the second spring with knife rest at the afterbody of scraper.
5. automatic backwash carbon fiber filter according to claim 1, it is characterized in that being provided with in described cavity a pair of clamping seats, on described clamping seats, be respectively equipped with clamp, described a pair of clamping seats connects by bolt, on wherein said clamp, there is shifting chute, and a side of clamp has inclined-plane, this inclined-plane mates with described clamping seats, and described bolt is through the shifting chute on described clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187803.3A CN102716608B (en) | 2012-06-08 | 2012-06-08 | Automatic back washing carbon fiber filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187803.3A CN102716608B (en) | 2012-06-08 | 2012-06-08 | Automatic back washing carbon fiber filter |
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| Publication Number | Publication Date |
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| CN102716608A CN102716608A (en) | 2012-10-10 |
| CN102716608B true CN102716608B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210187803.3A Active CN102716608B (en) | 2012-06-08 | 2012-06-08 | Automatic back washing carbon fiber filter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967558A (en) * | 2012-11-21 | 2013-03-13 | 上海丰信环保科技有限公司 | Detection method for rapidly detecting clean degree of quartz sand and active carbon |
| CN105396353B (en) * | 2015-12-18 | 2017-10-20 | 浙江宇丰机械有限公司 | High-viscosity material full-automatic back washing coarse filtration system |
| US10195549B1 (en) * | 2017-11-21 | 2019-02-05 | Aqua-Aerobic Systems, Inc. | Backwash shoe method and apparatus that increases effective surface area of cloth filter media |
| CN113041969B (en) * | 2021-03-15 | 2022-07-08 | 内蒙古工业大学 | Device and method for facilitating reaction of carbon fibers and ammonium metatungstate |
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| US5401396A (en) * | 1991-08-22 | 1995-03-28 | Ga Industries Inc. | Self-cleaning stationary basket strainer |
| CN2698435Y (en) * | 2004-05-18 | 2005-05-11 | 徐今 | Filtering device with automatically regenerable filter screen |
| CN201161129Y (en) * | 2007-12-05 | 2008-12-10 | 威海广泰空港设备股份有限公司 | Clear water filter |
| CN201728010U (en) * | 2010-07-16 | 2011-02-02 | 温州宇丰化纤机械有限公司 | High-pressure carbon fiber melt filter |
| CN201799156U (en) * | 2010-10-01 | 2011-04-20 | 上海松岩机电设备成套有限公司 | Multi-cylinder type self-cleaning filter |
| CN102145236A (en) * | 2011-01-30 | 2011-08-10 | 合肥通用机械研究院 | Filter screen two-level self-cleaning filter |
| CN201921577U (en) * | 2011-01-28 | 2011-08-10 | 宝钢集团新疆八一钢铁有限公司 | Back-flushing filtering tank |
-
2012
- 2012-06-08 CN CN201210187803.3A patent/CN102716608B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5401396A (en) * | 1991-08-22 | 1995-03-28 | Ga Industries Inc. | Self-cleaning stationary basket strainer |
| CN2698435Y (en) * | 2004-05-18 | 2005-05-11 | 徐今 | Filtering device with automatically regenerable filter screen |
| CN201161129Y (en) * | 2007-12-05 | 2008-12-10 | 威海广泰空港设备股份有限公司 | Clear water filter |
| CN201728010U (en) * | 2010-07-16 | 2011-02-02 | 温州宇丰化纤机械有限公司 | High-pressure carbon fiber melt filter |
| CN201799156U (en) * | 2010-10-01 | 2011-04-20 | 上海松岩机电设备成套有限公司 | Multi-cylinder type self-cleaning filter |
| CN201921577U (en) * | 2011-01-28 | 2011-08-10 | 宝钢集团新疆八一钢铁有限公司 | Back-flushing filtering tank |
| CN102145236A (en) * | 2011-01-30 | 2011-08-10 | 合肥通用机械研究院 | Filter screen two-level self-cleaning filter |
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| CN102716608A (en) | 2012-10-10 |
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Effective date of registration: 20160816 Address after: 325000 office building, Pearl River Road Administrative Committee, Binhai Economic Zone, Wenzhou economic and Technological Development Zone, Zhejiang, 5108 Patentee after: ZHEJIANG YUFENG MACHINERY CO., LTD. Address before: 325000 No. 516, Airport Avenue, Longwan District, Zhejiang, Wenzhou Patentee before: Wenzhou Yufeng Chemical Fiber Machinery Co., Ltd. |