CN107321036A - Solution purification system - Google Patents

Solution purification system Download PDF

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Publication number
CN107321036A
CN107321036A CN201710490990.5A CN201710490990A CN107321036A CN 107321036 A CN107321036 A CN 107321036A CN 201710490990 A CN201710490990 A CN 201710490990A CN 107321036 A CN107321036 A CN 107321036A
Authority
CN
China
Prior art keywords
pipeline
input
alkali lye
automatic valve
output end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710490990.5A
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Chinese (zh)
Inventor
陈连龙
贺立红
胡斯尧
邵远敬
黎浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wisdri Engineering and Research Incorporation Ltd
Original Assignee
Wisdri Engineering and Research Incorporation Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wisdri Engineering and Research Incorporation Ltd filed Critical Wisdri Engineering and Research Incorporation Ltd
Priority to CN201710490990.5A priority Critical patent/CN107321036A/en
Publication of CN107321036A publication Critical patent/CN107321036A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering 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
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering 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
    • B01D35/16Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The present invention relates to a kind of solution purification system, including alkali lye filter, washwater tank, pickling flow container, alkali cleaning flow container, surfactant tank and solution feed pump;The input of first pipeline is connected to alkali lye circulation pot bottom or pretreatment unit;The input of second pipe is connected to washwater tank;The input of 3rd pipeline is connected to pickling flow container;The input of 4th pipeline is connected to alkali cleaning flow container;The input of 5th pipeline is connected to surfactant tank;The input of 6th pipeline is connected to the outlet of solution feed pump, and output end is connected with the bottom of alkali lye filter;The input of 7th pipeline is connected with the top of alkali lye filter, and output is connected to alkali lye circulating tank;The input of 8th pipeline is connected with the outlet of solution feed pump;The input of 9th pipeline is connected with the bottom of alkali lye filter;The output of tenth pipeline is connected to alkali wash water tank.The present invention has automatic fitration and anti-cleaning function, can effectively remove the greasy filth in alkali lye, greatly reduce deposition of the greasy filth in alkali lye circulating tank.

Description

Solution purification system
Technical field
The present invention relates to liquid filtration art, more specifically to a kind of solution purification system.
Background technology
Cold-strip steel in the rear process before processing such as annealing, coating, need to use alkali lye to the grease of the belt steel surface after rolling, The impurity such as iron powder and the dust of adhesion is cleaned, and alkali lye is recycled between online alkaline bath and alkali lye circulating tank, With the progress of unit continuous wash, the solid impurity on strip constantly enters in alkali lye and built up, these solids Impurity is mainly iron powder and the oily greasy filth to be formed that adheres to each other.In order to maintain the normal operation of tandem mill, it will usually periodically A certain amount of failure alkali lye is discharged, a certain amount of fresh alkali lye is supplemented, to reduce the greasy filth content in alkali lye, so as to protect Hold the cleansing power of alkali lye.Even so, not being avoided that greasy filth particle is blocked in wire casing caustic dip nozzle, pipeline and changed still Hot device, when serious can also recontamination strip, production a period of time after, still have a large amount of sludge depositions at the bottom of alkali lye circulating tank Portion, very big inconvenience is carried out to cleaning tape.Meanwhile, the alkali lye of discharge can not recycling, cause the waste of degreasing agent.
The content of the invention
The technical problem to be solved in the present invention is that there is provided a kind of solution purification with automatic fitration and anti-cleaning function System, can effectively remove the greasy filth in alkali lye, greatly reduce deposition of the greasy filth in alkali lye circulating tank.
The technical solution adopted for the present invention to solve the technical problems is:Construct a kind of solution purification system, including alkali lye Filter, washwater tank, pickling flow container, alkali cleaning flow container, surfactant tank and solution feed pump;The input of first pipeline is connected to alkali Liquid circulates pot bottom or pretreatment unit, and output end is connected with the entrance of solution feed pump, and the first pipeline is provided with the first automatic valve;The The input of two pipelines is connected to washwater tank, and output end is connected with the output end of the first pipeline, and second pipe is provided with second certainly Dynamic valve;The input of 3rd pipeline is connected to pickling flow container, and output end is connected with the output end of the first pipeline, and the 3rd pipeline is provided with 3rd automatic valve;The input of 4th pipeline is connected to alkali cleaning flow container, and output end is connected with the output end of the first pipeline, the 4th pipeline It is provided with the 4th automatic valve;The input of 5th pipeline is connected to surfactant tank, output end and the output end phase of the first pipeline Even, the 5th pipeline is provided with the 5th automatic valve;The input of 6th pipeline is connected to the outlet of solution feed pump, and output end is filtered with alkali lye The bottom of device is connected, and the 6th deferent is provided with the 6th automatic valve;The input of 7th pipeline is connected with the top of alkali lye filter, Output is connected to alkali lye circulating tank, and the 7th pipeline is provided with the 7th automatic valve;The outlet of the input and solution feed pump of 8th pipeline It is connected, output end is connected with the top of alkali lye filter, the 8th pipeline is provided with the 8th automatic valve;The input of 9th pipeline with The bottom of alkali lye filter is connected, and output is connected to pickle tank, and the 9th pipeline is provided with the 9th automatic valve;Tenth pipeline it is defeated Enter end with the input of the 9th pipeline to be connected, output is connected to alkali wash water tank, the tenth pipeline is provided with the tenth automatic valve;11st The input of pipeline is connected with the input of the 9th pipeline, and output is connected to surfactant tank, and the 11st pipeline is provided with the 11 automatic valves;The input of 12nd pipeline is connected with the bottom of alkali lye filter, and the 12nd pipeline is provided with the 12nd certainly Dynamic valve.
In such scheme, differential pressure controller is provided between the top and bottom of the alkali lye filter.
In such scheme, the output of the 12nd pipeline is connected to cesspit.
Implement the solution purification system of the present invention, have the advantages that:
1st, present system has automatic fitration and anti-cleaning function, can effectively remove the greasy filth in alkali lye, subtract significantly Few deposition of the greasy filth in alkali lye circulating tank, extends the use time of alkali lye, therefore can reduce production cost and saving Human cost, while decreasing wastewater treatment capacity.
2nd, can be using sour cleaning-alkali cleaning-surfactant washing when alkali lye filter cleans not thorough with water Chemical method recovers filter capacity completely;
3rd, the filter operation of solution purification system and anti-cleaning operation share a pump, make system operatio simple, also reduce The total cost of system;
4th, the filtering of alkali lye and the anti-cleaning of alkali lye filter are carried out automatically, and automaticity is high, can save manpower Cost.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the operation principle schematic diagram of solution purification system first embodiment of the present invention.
Fig. 2 is the operation principle schematic diagram of solution purification system second embodiment of the present invention.
In figure:1. alkali lye filter;2. washwater tank;3. pickling flow container;4. alkali cleaning flow container;5. surfactant tank;6. Alkali lye circulating tank;7. solution feed pump;8. the first pipeline;9. the first automatic valve;10. second pipe;11. the second automatic valve;12. the 3rd Pipeline;13. the 3rd automatic valve;14. the 4th pipeline;15. the 4th automatic valve;16. the 5th pipeline;17. the 5th automatic valve;18. the Six pipelines;19. the 6th automatic valve;20. the 7th pipeline;21. the 7th automatic valve;22. the 8th pipeline;23. the 8th automatic valve;24. Differential pressure controller;25. the 9th pipeline;26. the 9th automatic valve;27. the tenth pipeline;28. the tenth automatic valve;29. the 11st pipeline; 30. the 11st automatic valve;31. the 12nd pipeline;32. the 12nd automatic valve;33. cesspit;34. pretreatment unit.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now compare accompanying drawing and describe in detail The embodiment of the present invention.
As shown in Figure 1 and Figure 2, solution purification system of the present invention include alkali lye filter 1, washwater tank 2, pickling flow container 3, Alkali cleaning flow container 4, surfactant tank 5, solution feed pump 6 and differential pressure controller 24.
The input of first pipeline 8 is connected to the bottom of alkali lye circulating tank 6 or pretreatment unit 34, output end and solution feed pump 7 Entrance is connected, and the first pipeline 8 is provided with the first automatic valve 9.Pretreatment unit 34 can be with will be compared with small particle and larger grain in alkali lye The greasy filth particle separation in footpath, the alkali lye of the greasy filth containing little particle enters the first pipeline 8.
The input of second pipe 10 is connected to washwater tank 2, and output end is connected with the output end of the first pipeline 8, the second pipe Road 10 is provided with the second automatic valve 11;The input of 3rd pipeline 12 is connected to pickling flow container 3, and output end is defeated with the first pipeline 8 Go out end to be connected, the 3rd pipeline 12 is provided with the 3rd automatic valve 13;The input of 4th pipeline 14 is connected to alkali cleaning flow container 4, output end It is connected with the output end of the first pipeline 8, the 4th pipeline 14 is provided with the 4th automatic valve 15;The input of 5th pipeline 16 is connected to table Face activating agent tank 5, output end is connected with the output end of the first pipeline 8, and the 5th pipeline 16 is provided with the 5th automatic valve 17;6th pipe The input in road 18 is connected to the outlet of solution feed pump 7, and output end is connected with the bottom of alkali lye filter 1, and the 6th pipeline 18 is provided with 6th automatic valve 19;The input of 7th pipeline 20 is connected with the top of alkali lye filter 2, and output is connected to alkali lye circulating tank 6, 7th pipeline 20 is provided with the 7th automatic valve 21;The input of 8th pipeline 22 is connected with the outlet of solution feed pump 7, output end and alkali The top of liquid filter 1 is connected, and the 8th pipeline 22 is provided with the 8th automatic valve 23;Between the top and bottom of alkali lye filter 1 Provided with differential pressure controller 24;The input of 9th pipeline 25 is connected with the bottom of alkali lye filter 1, and output is connected to pickle tank 3, the 9th pipeline 25 is provided with the 9th automatic valve 26;The input of tenth pipeline 27 is connected with the input of the 9th pipeline 25, defeated Go out to be connected to alkali cleaning flow container 4, the tenth pipeline 27 is provided with the tenth automatic valve 28;The input and the 9th pipeline of 11st pipeline 29 25 input is connected, and output is connected to the pipeline 29 of surfactant tank the 5, the 11st provided with the 11st automatic valve 30;Tenth The input of two pipelines 31 is connected with the bottom of alkali lye filter 1, and output is connected to the pipeline 31 of cesspit the 33, the 12nd and is provided with 12nd automatic valve 32.
The course of work for the solution purification system that the present invention is provided is as follows:
S1, filtering:Close the second automatic valve 11, the 3rd automatic valve 13, the 4th automatic valve 15, the 5th automatic valve the 17, the 8th Automatic valve 23, the 9th automatic valve 26, the tenth automatic valve 28, the 11st automatic valve 30 and the 12nd automatic valve 32, open first certainly Dynamic valve 9, the 6th automatic valve 19 and the 7th automatic valve 21, the alkali lye of sludge containing are sent to alkali lye filter 1 after being pressurizeed by solution feed pump 7 In, the clean alkali lye after filtering is returned in alkali lye circulating tank 6.
S2, water backwashing:When differential pressure controller 24 reaches setting value 0.05MPa~0.4MPa (adjustable), first is closed Automatic valve 9, the 6th automatic valve 19 and the 7th automatic valve 21, open the second automatic valve 11 and the 8th automatic valve 23, postpone 5s~60s Opened again after (adjustable) rinse water in the 12nd automatic valve 32, washwater tank 2 pass sequentially through second pipe 10, the first pipeline 8, 6th pipeline 18, the 8th pipeline 22 and the 7th pipeline 20 enter in alkali lye filter 1 dirt carried out after water backwashing, water backwashing From the bottom of alkali lye filter 1, discharge is discharged into cesspit 33 water by the 12nd pipeline 31.Water backwashing time lasting 10s~ After 120s (adjustable), if without S3 chemical cleaning operations, being switched to S1 and carrying out filter operation.
S3, Chemical cleaning:When carrying out filter operation S1, if to arrival pressure differential resetting value 0.05MPa since filtering Time required for~0.4MPa (adjustable) is more obvious than normal time to be shortened, then illustrates that filter core is blocked more serious, now need into Row chemical cleaning operation could recover the filter capacity of alkali lye filter 1.After backwash operation S2, the second automatic valve 11 is closed With the 12nd automatic valve 32, the 3rd automatic valve 13 is opened, delay 5s~60s (adjustable) opens the 9th automatic valve 26, pickle afterwards Acid solution in tank 3 passes sequentially through the 3rd pipeline 12, the first pipeline 8, the 6th pipeline 18, the 8th pipeline 22 and the 7th pipeline 20 and entered Pickling is carried out in alkali lye filter 1, acid solution flows out through the 9th pipeline 25 from the bottom of alkali lye filter 1 and returned in pickling flow container 3, Pickling time continues 10s~120s (adjustable);Close the 3rd valve 13 and the 9th automatic valve 26, repeat step S2 water backwashings behaviour Make;The second automatic valve 11 and the 12nd automatic valve 32 are closed, the 4th automatic valve 15 is opened, delay 5s~60s (adjustable) is opened afterwards Alkali lye in tenth automatic valve 28, alkali cleaning flow container 4 passes sequentially through the 4th pipeline 14, the first pipeline 8, the 6th pipeline 18, the 8th pipe The pipeline 20 of road 22 and the 7th, which enters, carries out alkali cleaning in alkali lye filter 1, alkali lye flows out through the 9th pipe from the bottom of alkali lye filter 1 The pipeline 27 of road 25 and the tenth is returned in alkali cleaning flow container 4, and the alkali cleaning time continues 10s~120s (adjustable);Close the 4th automatic valve 15 With the tenth automatic valve 28, the 5th automatic valve 17 is opened, delay 5s~60s (adjustable) opens the 11st automatic valve 30 afterwards, and surface is lived Surfactant solution in property agent tank 5 passes sequentially through the 5th pipeline 16, the first pipeline 8, the 6th pipeline 18, the and of the 8th pipeline 22 7th pipeline 20 enters to be cleaned in alkali lye filter 1, and the surfactant solution after cleaning flows from the bottom of alkali lye filter 1 Go out and returned to by the 9th pipeline 25 and the 11st pipeline 29 in surfactant tank 5, surfactant solution scavenging period continues 10s~120s (adjustable);Close the 5th automatic valve 17 and the 11st automatic valve 30, the operation of repeat step S2 water backwashings, chemistry Cleaning operation is finished.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot Form, these are belonged within the protection of the present invention.

Claims (3)

1. a kind of solution purification system, it is characterised in that including alkali lye filter, washwater tank, pickling flow container, alkali cleaning flow container, Surfactant tank and solution feed pump;The input of first pipeline is connected to alkali lye circulation pot bottom or pretreatment unit, output end with The entrance of solution feed pump is connected, and the first pipeline is provided with the first automatic valve;The input of second pipe is connected to washwater tank, output end It is connected with the output end of the first pipeline, second pipe is provided with the second automatic valve;The input of 3rd pipeline is connected to pickling flow container, Output end is connected with the output end of the first pipeline, and the 3rd pipeline is provided with the 3rd automatic valve;The input of 4th pipeline is connected to alkali Washing lotion tank, output end is connected with the output end of the first pipeline, and the 4th pipeline is provided with the 4th automatic valve;The input of 5th pipeline Surfactant tank is connected to, output end is connected with the output end of the first pipeline, the 5th pipeline is provided with the 5th automatic valve;6th pipe The input in road is connected to the outlet of solution feed pump, and output end is connected with the bottom of alkali lye filter, and the 6th deferent is provided with the 6th certainly Dynamic valve;The input of 7th pipeline is connected with the top of alkali lye filter, and output, which is connected on alkali lye circulating tank, the 7th pipeline, to be set There is the 7th automatic valve;The input of 8th pipeline is connected with the outlet of solution feed pump, and output end is connected with the top of alkali lye filter, 8th pipeline is provided with the 8th automatic valve;The input of 9th pipeline is connected with the bottom of alkali lye filter, and output is connected to acid Washing lotion tank, the 9th pipeline is provided with the 9th automatic valve;The input of tenth pipeline is connected with the input of the 9th pipeline, output end Alkali cleaning flow container is connected to, the tenth pipeline is provided with the tenth automatic valve;The input phase of the input and the 9th pipeline of 11st pipeline Even, output is connected to surfactant tank, and the 11st pipeline is provided with the 11st automatic valve;The input and alkali of 12nd pipeline The bottom of liquid filter is connected, and the 12nd pipeline is provided with the 12nd automatic valve.
2. solution purification system according to claim 1, it is characterised in that the top and bottom of the alkali lye filter it Between be provided with differential pressure controller.
3. solution purification system according to claim 1, it is characterised in that the output of the 12nd pipeline is connected to dirt Puddle.
CN201710490990.5A 2017-06-23 2017-06-23 Solution purification system Pending CN107321036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710490990.5A CN107321036A (en) 2017-06-23 2017-06-23 Solution purification system

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Application Number Priority Date Filing Date Title
CN201710490990.5A CN107321036A (en) 2017-06-23 2017-06-23 Solution purification system

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CN107321036A true CN107321036A (en) 2017-11-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109432838A (en) * 2018-11-28 2019-03-08 宜宾丝丽雅股份有限公司 Alkali liquor purification device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10192605A (en) * 1997-01-09 1998-07-28 Toshiba Corp Filter for filter bed and power generation plant provided with the same
CN201049266Y (en) * 2007-06-13 2008-04-23 上虞永新双益环保设备有限公司 Integrated purification device for emulsion or alkali liquor recovery in machining and steel rolling
CN104096692A (en) * 2014-06-30 2014-10-15 吐鲁番楼兰酒业有限公司 Automatic cleaning device and cleaning method thereof
CN204034411U (en) * 2014-06-04 2014-12-24 温州市精工机械装备成套有限公司 A kind of alkali lye filter
CN205084488U (en) * 2015-10-29 2016-03-16 成都凯成轻工药业装备有限公司 Alkaline liquor filtering device
CN206027464U (en) * 2016-08-31 2017-03-22 浙江索纳克生物科技有限公司 Filter membrane cleaning device is received to high efficiency

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10192605A (en) * 1997-01-09 1998-07-28 Toshiba Corp Filter for filter bed and power generation plant provided with the same
CN201049266Y (en) * 2007-06-13 2008-04-23 上虞永新双益环保设备有限公司 Integrated purification device for emulsion or alkali liquor recovery in machining and steel rolling
CN204034411U (en) * 2014-06-04 2014-12-24 温州市精工机械装备成套有限公司 A kind of alkali lye filter
CN104096692A (en) * 2014-06-30 2014-10-15 吐鲁番楼兰酒业有限公司 Automatic cleaning device and cleaning method thereof
CN205084488U (en) * 2015-10-29 2016-03-16 成都凯成轻工药业装备有限公司 Alkaline liquor filtering device
CN206027464U (en) * 2016-08-31 2017-03-22 浙江索纳克生物科技有限公司 Filter membrane cleaning device is received to high efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109432838A (en) * 2018-11-28 2019-03-08 宜宾丝丽雅股份有限公司 Alkali liquor purification device and method

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Application publication date: 20171107

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