CN104083912B - A kind of method removing solid impurity in acid bath - Google Patents
A kind of method removing solid impurity in acid bath Download PDFInfo
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- CN104083912B CN104083912B CN201410366656.5A CN201410366656A CN104083912B CN 104083912 B CN104083912 B CN 104083912B CN 201410366656 A CN201410366656 A CN 201410366656A CN 104083912 B CN104083912 B CN 104083912B
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Abstract
Removing a method for solid impurity in acid bath, this method for removing mud adopts plate frame filter machine, impeller pump and mud collecting cart, comprises the filtration of solid impurity in acid bath, the removal of acid bath in solid impurity, the taking-up step of mud block. Present method filters machine as carrier taking plate frame, under certain pressure and speed, the acid bath containing solid impurity is squeezed into plate frame filter machine, by filter-cloth filtering, makes solid liquid initial gross separation, obtaining the acid bath that the turbidity meeting processing requirement is stable, the solid impurity containing a small amount of acid bath is stayed between filter plate. Filter accessory failure rate is low, accessory loss is low, and after filtering, acid bath turbidity is low and stable. By force (forcing) pump to filter plate intracontour waterflooding pressurization, extruding the solid impurity between two filter plates, the acid bath that the turbidity meeting processing requirement of discharge is stable enters acid bath system, and solid impurity is stayed with the form of mud block and automatically dropped in mud collecting cart between two filter plates. Technique is simple, and floor space is few, pollutes low, and controllability is good.
Description
Technical field
The present invention relates to solid-liquid separating method in viscose staple fibre production field, specifically a kind of viscose staple fibre produces the minimizing technology of solid impurity in acid bath used.
Background technology
Acid bath is precipitation bath the most frequently used during current viscose staple fibre is produced, viscose glue forming process occurs a series of side reaction, the impurity such as the blob of viscose produced in partly fine and ash content, viscose glue forming process that colloid sulphur, sulfide and the viscose glue produced is brought into enter acid bath, make acid bath become muddy, affect normally carrying out of spinning. Traditional minimizing technology (please write out tradition but set out method) filter accessory loss height, working strength environment big, on-the-spot are poor, and these features make filtration efficiency low, and the acid bath turbidity after filtration is unstable. Therefore, research and develop the minimizing technology of solid impurity in new acid bath, it is possible to improve filtration efficiency, ensure the stable of acid bath turbidity.
Summary of the invention
The goal of the invention of the present invention is poor for the minimizing technology filter accessory loss height of solid impurity in tradition acid bath, working strength environment big, on-the-spot, the problems such as the acid bath turbidity after filtration is unstable, there is provided a kind of and filter machine as carrier taking plate frame, pass through filter-cloth filtering, make solid liquid initial gross separation, technique simple possible, filtration efficiency height, the minimizing technology of solid impurity in the acid bath that acid bath turbidity is stable.
Realize foregoing invention object by the following technical solutions:
Removing a method for solid impurity in acid bath, this method for removing mud adopts plate frame filter machine, impeller pump and mud collecting cart, the following step that described method mainly comprises:
(1) filtration of solid impurity in acid bath: the acid bath impeller pump containing solid impurity is squeezed in acid bath tank plate frame filter machine, the filter plate of plate frame filter machine is fixed with filter cloth, solid-liquid separation is tentatively carried out through filter cloth containing solid impurity acid bath, solid impurity is deposited between filter plate, the acid bath isolated enters production system, when plate frame filter machine intake pressure reaches 0.5MPa, stop impeller pump for acid;
(2) removal of acid bath in solid impurity: be pressurized to 0.6-0.65MPa to filter plate intracontour waterflooding by force (forcing) pump, filter plate front and rear panel is expanded outwardly, extrude the solid impurity between two filter plates, acid solution in solid impurity is extruded, clamping time is 5-10 minute, and the acid bath extruded enters production system;
(3) taking-up of mud block: under shifting mud collecting cart onto filter plate, unclamp filter plate by block, the mud block between filter plate drops in mud collecting cart automatically, pours the mud in mud collecting cart into production rubbish container, pending.
Preferably, described acid bath turbidity is 20-25(FTU).
Preferably, be weight, described mud block is moisture is 20%.
Adopt technique scheme, compared with prior art, the present invention filters machine as carrier taking plate frame, under certain pressure and speed, the acid bath containing solid impurity is squeezed into plate frame filter machine, by filter-cloth filtering, make solid liquid initial gross separation, it is met the acid bath that the turbidity of technic index is stable, this acid bath enters production system, and the solid impurity containing a small amount of acid bath is stayed between filter plate. Filter accessory failure rate is low, accessory loss is low, and after filtering, acid bath turbidity is low and stable. After initial gross separation terminates, pressurizeed to filter plate intracontour waterflooding by force (forcing) pump, extruding the solid impurity between two filter plates, the acid bath that the turbidity meeting processing requirement of discharge is stable enters acid bath system, and solid impurity is stayed with the form of mud block and automatically dropped in mud collecting cart between two filter plates. Technique is simple, and floor space is few, pollutes low, and controllability is good.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Present embodiment discloses the minimizing technology of solid impurity in a kind of acid bath, the method adopts plate frame filter machine, impeller pump and mud collecting cart, filters machine as carrier taking plate frame, by filter-cloth filtering, makes solid liquid initial gross separation. Pressurizeed to filter plate intracontour waterflooding by force (forcing) pump, extrude the solid impurity between two filter plates, acid bath in solid impurity is discharged by filter cloth under the extruding of two filter plates, and discharge, solid impurity are stayed with the form of mud block and automatically dropped in mud collecting cart between two filter plates.
Concrete grammar step is:
(1) filtration of solid impurity in acid bath: 200 object filter clothes are fixed on filter plate, filter plate is compressed, start impeller pump, the acid bath impeller pump containing solid impurity returned by tow in acid tank is squeezed into plate frame filter machine and is filtered, have certain pressure and speed containing solid impurity acid bath through filter cloth, tentatively carry out solid-liquid separation, through returning, acid pipe returns to acid bath system in transparent acid bath after filtration, solid impurity is deposited between filter plate, enter production system, when plate frame filter machine intake pressure reaches 0.5MPa, stop impeller pump for acid;
(2) removal of acid bath in solid impurity: opening force (forcing) pump and squeeze into high pressure water in filter plate, be pressurized to 0.6-0.65MPa by force (forcing) pump to filter plate intracontour waterflooding, clamping time is 5-10 minute. Filter plate front and rear panel is expanded outwardly, extrude the solid impurity between two filter plates, acid bath in solid impurity is discharged by filter cloth under the extruding of two filter plates, the acid bath that the turbidity meeting processing requirement of discharge is stable enters acid bath system, acid bath turbidity is 20-25(FTU), solid impurity is stayed between two filter plates with the form of mud block, and be weight, mud block is moisture is 20%.
(3) taking-up of mud block: under shifting mud collecting cart onto filter plate, unclamp filter plate by block, the mud block between filter plate drops in mud collecting cart automatically, pours the mud in mud collecting cart into production rubbish container, is for further processing.
So circulate and then realize goal of the invention.
Above-described embodiment only have expressed one embodiment of the present invention, but therefore can not be interpreted as limitation of the scope of the invention. , it is also possible to make some distortion and improvement, it is noted that for the person of ordinary skill of the art, without departing from the inventive concept of the premise these all belong to protection scope of the present invention.
Claims (1)
1. removing a method for solid impurity in acid bath, the method adopts plate frame filter machine, impeller pump and mud collecting cart, it is characterised in that, described method mainly comprises the steps:
(1) filtration of solid impurity in acid bath: the acid bath impeller pump containing solid impurity is squeezed in acid bath tank plate frame filter machine, the filter plate of plate frame filter machine is fixed with filter cloth, solid-liquid separation is tentatively carried out through filter cloth containing solid impurity acid bath, solid impurity is deposited between filter plate, the acid bath isolated enters production system, when plate frame filter machine intake pressure reaches 0.5MPa, stop impeller pump for acid;
(2) removal of acid bath in solid impurity: be pressurized to 0.6-0.65MPa to filter plate intracontour waterflooding by force (forcing) pump, filter plate front and rear panel is expanded outwardly, extrude the solid impurity between two filter plates, acid solution in solid impurity is extruded, clamping time is 5-10 minute, and the acid bath extruded enters production system; The acid bath turbidity extruded is 20-25FTU;
(3) taking-up of mud block: under shifting mud collecting cart onto filter plate, unclamp filter plate by block, the mud block between filter plate drops in mud collecting cart automatically, pour the mud in mud collecting cart into production rubbish container, pending, be weight, described mud block is moisture is 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410366656.5A CN104083912B (en) | 2014-07-30 | 2014-07-30 | A kind of method removing solid impurity in acid bath |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410366656.5A CN104083912B (en) | 2014-07-30 | 2014-07-30 | A kind of method removing solid impurity in acid bath |
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| CN104083912A CN104083912A (en) | 2014-10-08 |
| CN104083912B true CN104083912B (en) | 2016-06-01 |
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| CN107434347A (en) * | 2017-08-28 | 2017-12-05 | 浙江晋椿五金配件有限公司 | A kind of sludge dehydration device and dewatering |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203090569U (en) * | 2012-12-21 | 2013-07-31 | 卓易环保设备（上海）有限公司 | Waste acid purification and recovery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS55111808A (en) * | 1979-02-22 | 1980-08-28 | Yasutake Sudou | Filter for dehydration |
| CN2203175Y (en) * | 1994-11-18 | 1995-07-12 | 陈学良 | Pressure sludge clarifying oil filter |
| CN2356732Y (en) * | 1998-02-13 | 2000-01-05 | 徐秀起 | Combined plate frame for filter press |
| CN102617013A (en) * | 2012-04-24 | 2012-08-01 | 浙江海拓环境技术有限公司 | Method for concentrating and dehydrating sludge |
| CN102814063A (en) * | 2012-08-14 | 2012-12-12 | 佛山市金凯地过滤设备有限公司 | Pressure filter and pressure filtration method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203090569U (en) * | 2012-12-21 | 2013-07-31 | 卓易环保设备（上海）有限公司 | Waste acid purification and recovery system |
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Inventor after: Jiang Dehu Inventor after: Li Huixi Inventor after: Wu Bin Inventor after: Wang Zhijiang Inventor after: Chen Xuejiang Inventor after: Zhang Yuguo Inventor after: Cao Jie Inventor after: Wang Bin Inventor after: Liu Xiaolong Inventor after: Zhang Li Inventor after: Xuan Libao Inventor after: Tang Xinchun Inventor before: Jiang Dehu Inventor before: Li Huixi Inventor before: Wu Bin Inventor before: Wang Zhijiang Inventor before: Chen Xuejiang Inventor before: Zhang Yuguo Inventor before: Cao Jie Inventor before: Wang Bin Inventor before: Liu Xiaolong Inventor before: Zhang Li Inventor before: Xuan Libao Inventor before: Tang Xinchun |
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