CN107497171A - Filter cloth regenerating unit and carry out filter cloth regeneration method with it - Google Patents
Filter cloth regenerating unit and carry out filter cloth regeneration method with it Download PDFInfo
- Publication number
- CN107497171A CN107497171A CN201710909333.XA CN201710909333A CN107497171A CN 107497171 A CN107497171 A CN 107497171A CN 201710909333 A CN201710909333 A CN 201710909333A CN 107497171 A CN107497171 A CN 107497171A
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- China
- Prior art keywords
- vertical
- clear
- filter
- clear liquid
- filter cloth
- 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
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- 239000004744 fabric Substances 0.000 title claims abstract description 53
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 18
- 238000011069 regeneration method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 79
- 230000008859 change Effects 0.000 claims abstract description 49
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 239000000706 filtrate Substances 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering 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
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
Filter cloth regeneration method is carried out the invention discloses a kind of filter cloth regenerating unit and with it, including vertical-disk filter and change clear liquid circulation cleaning device, the discharging opening and charging aperture for changing clear liquid circulation cleaning device are connected with the feed pipe and filtrate discharge pipe of vertical-disk filter respectively by pipeline.It can be blocked after solving the filter cloth long-time use of existing vertical-disk filter by stammerer, after being stammered with hot water injection, rinse sordid problem.
Description
Technical field
The present invention relates to filter cloth regeneration field, and in particular to a kind of filter cloth regenerating unit and carries out filter cloth with it
Regeneration method.
Background technology
In metallurgical and chemical field crystal seed filtering technique, crystal seed filtering uses vertical-disk filter, and filtering material is nothing
Cloth is spun, its advantage has strength good, breathe freely, tough and tensile environmental protection, but operation a period of time filter cloth will be scabbed blocking,
Filter normal operation is influenceed, industry is nearly all to use hot water injection at present, but flushing surface is uneven, some aluminium hydroxide knots
Scar punching is not clean.
The content of the invention
Filter cloth regeneration method is carried out it is an object of the invention to provide a kind of filter cloth regenerating unit and with it, is solved
It can be blocked after the filter cloth long-time use of certainly existing vertical-disk filter by stammerer, after being stammered with hot water injection, punching does not wash clean
The problem of.
To solve above-mentioned technical problem, the present invention uses following technical scheme:
A kind of filter cloth regenerating unit, including vertical-disk filter and change clear liquid circulation cleaning device, above-mentionedization clear liquid wash cycles
The discharging opening and charging aperture of device are connected with the feed pipe and filtrate discharge pipe of vertical-disk filter respectively by pipeline.
After vertical-disk filter uses a period of time, when having more stammerer on the filter cloth in vertical-disk filter, stop making
Filtered with vertical-disk filter, then openingization clear liquid circulation cleaning device, change the change clear liquid in clear liquid EGR just from vertical plate
Enter vertical-disk filter at the feed pipe of filter, can be with the hydroxide on filter cloth after change clear liquid enters vertical-disk filter
Aluminium stammerer reacts, and can be effectively dissolved after the aluminium hydroxide stammerer and change clear liquid reaction on filter cloth, change clear liquid and pass through
Enter filtrate discharge pipe after filter cloth, from filtrate discharge pipe back flowing back into clear liquid circulation cleaning device, so circulation can be with
Continuously to the filter cloth alkali cleaning of vertical-disk filter, make in effective the dissolving into clear liquid that scabs in filter cloth surface and aperture, it is extensive
The gas permeability of multiple filter cloth, the filter cloth in vertical-disk filter can be achieved with regenerating well after changing clear liquid foam washing.
As present invention further optimization, above-mentionedization clear liquid circulation cleaning device includes changing clear groove and changes clear pump, changes clear
The discharging opening and charging aperture of groove are connected by filtrate discharge pipe of the pipeline respectively with the charging aperture and vertical-disk filter of changing clear pump, are changed
The discharging opening of clear pump is connected by pipeline with the feed pipe of vertical-disk filter.
The change clear liquid changed in clear groove is extracted in the presence of clear pump is changed, and is sent into vertical-disk filter, is filtered from vertical plate
The change clear liquid discharged in machine is then in the clear groove of reentering.
As present invention further optimization, on the pipeline that the clear groove of above-mentionedization is connected with the filtrate discharge pipe of vertical-disk filter
Valve is equipped with the pipeline that clear pump is connected with vertical-disk filter feed pipe with changing, on the feed pipe of vertical-disk filter with the clear pump of change
Valve is added in front of at connected position, is added on the filtrate discharge pipe of vertical-disk filter with changing the rear at clear groove connected position
Equipped with valve.
Fed on the pipeline that the clear groove of change is connected with the filtrate discharge pipe of vertical-disk filter with the clear pump of change with vertical-disk filter
Valve is set on the connected pipeline of pipe, during vertical-disk filter normal use, this valve at two is to close, will can change clear groove,
Change clear pump to separate with vertical-disk filter, when to be cleaned to the filter cloth in vertical-disk filter, this valve at two is beaten
Open, simultaneously close off on the feed pipe for be arranged on vertical-disk filter with changing the valve in front of at clear pump connected position and being arranged on vertical
With the valve at rear at the clear groove connected position of change on the filtrate discharge pipe of disk filter, so it can prevent material to be filtered from cleaning
Vertical-disk filter is gone successively to during vertical-disk filter and preventing clear liquid flows into mother liquor tank, valve said herein is arranged on vertical plate
Refer to that, along feedstock direction, material first passes through the valve on feed pipe with changing in front of at clear pump connected position on the feed pipe of filter
Door, then the position being connected by feed pipe with changing clear pump, and valve is arranged on the filtrate discharge pipe of vertical-disk filter with changing clearly
Rear at groove connected position refers to that, along discharging direction, material first passes through the position that filtrate discharge pipe is connected with changing clear groove, then passes through
Valve on filtered fluid discharge pipe.
As present invention further optimization, valve is also added on the overflow pipe of above-mentioned vertical-disk filter.
On the overflow pipe of vertical-disk filter install additional valve can preventing clear liquid inflow overflow launder in, to the liquid in overflow launder
Body pollutes.
As present invention further optimization, above-mentioned valve is magnetic valve, and magnetic valve is controlled by switch board.
Valve is magnetic valve, is so easier to manipulate.
As present invention further optimization, the top and bottom of the clear groove of above-mentionedization respectively being additionally provided with clear liquid adding mouth and
Change clear liquid drainage.
Changing the bottom settingization clear liquid drainage of clear groove, after being cleaned with magnificent clear liquid completion one cycle, openingization is clear
Liquid outlet, usedization clear liquid is discharged in the clear groove of allowing, when carrying out wash cycles next time, it is only necessary to by new change clear liquid
From the change clear groove of clear liquid adding mouth additionization.
Filter cloth regeneration method is carried out with above-mentioned filter cloth regenerating unit, is comprised the following steps:A. vertical plate is filtered
It is located on the feed pipe of machine and is closed with changing the passage in front of at clear liquid circulation cleaning device connected position, while by vertical-disk filter
Filtrate discharge pipe on be located at change clear liquid circulation cleaning device connected position at rear passage close;B. it is and then clear by changing
Liquid circulation cleaning device is passed through vertical-disk filter by clear liquid is changed, and carries out wash cycles;C., will after step b wash cycles
Change clear liquid discharge, after changing clear liquid discharge, hot water is passed through vertical-disk filter and carries out hot water injection, can be completed after the completion of flushing
The regeneration of filter cloth.
As present invention further optimization, when carrying out wash cycles in above-mentioned steps b, the back-blowing dress of vertical-disk filter is opened
Put and vacuum plant.
Alkali cleaning effect can so be improved, while preventing clear liquid is because pressure reduction problem can not normal circulation.
Compared with prior art, the present invention can at least reach one in following beneficial effect:
1. compensate for the drawbacks of vertical-disk filter is with hot water injection after having installed change clear liquid circulation cleaning device additional, solves vertical plate mistake
The problem of filter cloth pore size filter of filter blocks, filter cloth knot is hard.
2. can preventing clear liquid inflow mother liquor tank and overflow launder.
3. because be magnetic valve, therefore it is easy to control.
4. alkali cleaning effect is good.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment 1:
Fig. 1 shows a kind of filter cloth regenerating unit, including vertical-disk filter 1 and change clear liquid circulation cleaning device 2, and above-mentionedization is clear
The discharging opening and charging aperture of liquid circulation cleaning device 2 are discharged with the feed pipe 11 of vertical-disk filter 1 and filtrate respectively by pipeline
Pipe 12 is connected.
After vertical-disk filter uses a period of time, when having more stammerer on the filter cloth in vertical-disk filter, stop making
Filtered with vertical-disk filter, then openingization clear liquid circulation cleaning device, change the change clear liquid in clear liquid EGR just from vertical plate
Enter vertical-disk filter at the feed pipe of filter, can be with the hydroxide on filter cloth after change clear liquid enters vertical-disk filter
Aluminium stammerer reacts, and can be effectively dissolved after the aluminium hydroxide stammerer and change clear liquid reaction on filter cloth, change clear liquid and pass through
Enter filtrate discharge pipe after filter cloth, from filtrate discharge pipe back flowing back into clear liquid circulation cleaning device, so circulation can be with
Continuously to the filter cloth alkali cleaning of vertical-disk filter, make in effective the dissolving into clear liquid that scabs in filter cloth surface and aperture, it is extensive
The gas permeability of multiple filter cloth, the filter cloth in vertical-disk filter can be achieved with regenerating well after changing clear liquid foam washing.
Specific embodiment 2:
The present embodiment is to have carried out further instruction to changing clear liquid circulation cleaning device 2 on the basis of specific embodiment 1, on
Stating clear liquid circulation cleaning device 2 includes changing clear groove 21 and changes clear pump 22, and the discharging opening and charging aperture for changing clear groove 21 pass through pipeline
The filtrate discharge pipe 12 with the charging aperture and vertical-disk filter 1 of changing clear pump 22 is connected respectively, and the discharging opening for changing clear pump 22 passes through pipe
Road is connected with the feed pipe 11 of vertical-disk filter 1.
The change clear liquid changed in clear groove is extracted in the presence of clear pump is changed, and is sent into vertical-disk filter, is filtered from vertical plate
The change clear liquid discharged in machine is then in the clear groove of reentering.
Specific embodiment 3:
The present embodiment is that valve 3 is additionally arranged on the basis of specifically strength 2, the filter of the clear groove 21 of above-mentionedization and vertical-disk filter 1
Valve is equipped with the connected pipeline of liquid discharge pipe 12 and on pipeline that the clear pump 22 of change is connected with the feed pipe 11 of vertical-disk filter 1
3, valve 3 is added with changing in front of at the clear connected position of pump 22 on the feed pipe 11 of vertical-disk filter 1, vertical-disk filter 1
On filtrate discharge pipe 12 valve 3 is added with changing the rear at the clear connected position of groove 21.
Fed on the pipeline that the clear groove of change is connected with the filtrate discharge pipe of vertical-disk filter with the clear pump of change with vertical-disk filter
Valve is set on the connected pipeline of pipe, during vertical-disk filter normal use, this valve at two is to close, will can change clear groove,
Change clear pump to separate with vertical-disk filter, when to be cleaned to the filter cloth in vertical-disk filter, this valve at two is beaten
Open, simultaneously close off on the feed pipe for be arranged on vertical-disk filter with changing the valve in front of at clear pump connected position and being arranged on vertical
With the valve at rear at the clear groove connected position of change on the filtrate discharge pipe of disk filter, so it can prevent material to be filtered from cleaning
Vertical-disk filter is gone successively to during vertical-disk filter and preventing clear liquid flows into mother liquor tank, valve said herein is arranged on vertical plate
Refer to that, along feedstock direction, material first passes through the valve on feed pipe with changing in front of at clear pump connected position on the feed pipe of filter
Door, then the position being connected by feed pipe with changing clear pump, and valve is arranged on the filtrate discharge pipe of vertical-disk filter with changing clearly
Rear at groove connected position refers to that, along discharging direction, material first passes through the position that filtrate discharge pipe is connected with changing clear groove, then passes through
Valve on filtered fluid discharge pipe.
Specific embodiment 4:
The present embodiment is to have installed valve 3 additional on the overflow pipe 13 on the basis of specific embodiment 3 in vertical-disk filter 1, above-mentioned
Valve 3 is also added on the overflow pipe 13 of vertical-disk filter 1.
On the overflow pipe of vertical-disk filter install additional valve can preventing clear liquid inflow overflow launder in, to the liquid in overflow launder
Body pollutes.
Specific embodiment 5:
The present embodiment is to have carried out further instruction to valve 3 on the basis of specific embodiment 3, and above-mentioned valve 3 is electromagnetism
Valve, magnetic valve are controlled by switch board.
Valve is magnetic valve, is so easier to manipulate.
Specific embodiment 6
The present embodiment is to have carried out further instruction, the clear groove 21 of above-mentionedization to changing clear groove 21 on the basis of specific embodiment 2
Top and bottom respectively being additionally provided with clear liquid adding mouth and change clear liquid drainage.
Changing the bottom settingization clear liquid drainage of clear groove, after being cleaned with magnificent clear liquid completion one cycle, openingization is clear
Liquid outlet, usedization clear liquid is discharged in the clear groove of allowing, when carrying out wash cycles next time, it is only necessary to by new change clear liquid
From the change clear groove of clear liquid adding mouth additionization.
Specific embodiment 7:
Filter cloth regeneration method is carried out with above-mentioned filter cloth regenerating unit, is comprised the following steps:A. by vertical-disk filter 1
It is located on feed pipe 11 and is closed with changing the passage in front of at the connected position of clear liquid circulation cleaning device 2, while by vertical-disk filter 1
Filtrate discharge pipe 12 on be located at change the connected position of clear liquid circulation cleaning device 2 at rear passage close;B. and then pass through
Change clear liquid circulation cleaning device 2 and be passed through vertical-disk filter 1 by clear liquid is changed, carry out wash cycles;C. step b wash cycles are passed through
Afterwards, clear liquid discharge will be changed, after changing clear liquid discharge, hot water is passed through vertical-disk filter 1 and carries out hot water injection, after the completion of flushing
Complete the regeneration of filter cloth.
Specific embodiment 8
The present embodiment is to have carried out further instruction to step b on the basis of specific embodiment 7, is carried out in above-mentioned steps b
During wash cycles, the inverse blowing device and vacuum plant of vertical-disk filter 1 are opened.
Alkali cleaning effect can so be improved, while preventing clear liquid is because pressure reduction problem can not normal circulation.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (8)
1. a kind of filter cloth regenerating unit, including vertical-disk filter(1)With change clear liquid circulation cleaning device(2), it is characterised in that:
Describedization clear liquid circulation cleaning device(2)Discharging opening and charging aperture by pipeline respectively with vertical-disk filter(1)Feed pipe
(11)With filtrate discharge pipe(12)It is connected.
2. filter cloth regenerating unit according to claim 1, it is characterised in that:Describedization clear liquid circulation cleaning device(2)
Including changing clear groove(21)With the clear pump of change(22), change clear groove(21)Discharging opening and charging aperture by pipeline respectively with changing clear pump(22)
Charging aperture and vertical-disk filter(1)Filtrate discharge pipe(12)It is connected, changes clear pump(22)Discharging opening pass through pipeline and vertical plate
Filter(1)Feed pipe(11)It is connected.
3. filter cloth regenerating unit according to claim 2, it is characterised in that:The clear groove of describedization(21)With vertical-disk filter
(1)Filtrate discharge pipe(12)On connected pipeline and change clear pump(22)With vertical-disk filter(1)Feed pipe(11)Connected
Valve is equipped with pipeline(3), vertical-disk filter(1)Feed pipe(11)The upper and clear pump of change(22)Front at connected position adds
Equipped with valve(3), vertical-disk filter(1)Filtrate discharge pipe(12)The upper and clear groove of change(21)Rear at connected position adds
Valve(3).
4. filter cloth regenerating unit according to claim 3, it is characterised in that:The vertical-disk filter(1)Overflow pipe
(13)On also add valve(3).
5. filter cloth regenerating unit according to claim 3, it is characterised in that:The valve(3)It is magnetic valve, magnetic valve
It is controlled by switch board.
6. filter cloth regenerating unit according to claim 2, it is characterised in that:The clear groove of describedization(21)Top and bottom
Being additionally provided with clear liquid adding mouth and change clear liquid drainage respectively.
7. filter cloth regeneration method is carried out with the filter cloth regenerating unit described in any one in claim 1-6, its feature
It is:Comprise the following steps:A. by vertical-disk filter(1)Feed pipe(11)It is upper to be located at changing clear liquid circulation cleaning device
(2)Passage in front of at connected position is closed, while by vertical-disk filter(1)Filtrate discharge pipe(12)It is upper to be located at changing clear liquid
Circulation cleaning device(2)The passage at rear is closed at connected position;B. and then by changing clear liquid circulation cleaning device(2)It will change clear
Liquid is passed through vertical-disk filter(1), carry out wash cycles;C. after step b wash cycles, clear liquid discharge will be changed, change clear liquid
After discharge, hot water is passed through vertical-disk filter(1)Hot water injection is carried out, the regeneration of filter cloth can be completed after the completion of flushing.
8. progress filter cloth regeneration method according to claim 7, it is characterised in that:Circulated in the step b
During cleaning, vertical-disk filter is opened(1)Inverse blowing device and vacuum plant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710909333.XA CN107497171A (en) | 2017-09-29 | 2017-09-29 | Filter cloth regenerating unit and carry out filter cloth regeneration method with it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710909333.XA CN107497171A (en) | 2017-09-29 | 2017-09-29 | Filter cloth regenerating unit and carry out filter cloth regeneration method with it |
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Publication Number | Publication Date |
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CN107497171A true CN107497171A (en) | 2017-12-22 |
Family
ID=60700276
Family Applications (1)
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CN201710909333.XA Pending CN107497171A (en) | 2017-09-29 | 2017-09-29 | Filter cloth regenerating unit and carry out filter cloth regeneration method with it |
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---|---|---|---|---|
JPH09136009A (en) * | 1995-11-10 | 1997-05-27 | Tsubokawa Tsuneo | Device for circulating and reusing waste water of sludge dehydrating device |
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CN2855512Y (en) * | 2005-06-23 | 2007-01-10 | 江苏省宜兴非金属化工机械厂 | Cleaner for microporous ceramic sieve plate |
CN102179086A (en) * | 2011-04-20 | 2011-09-14 | 无锡恒诚硅业有限公司 | Alkali cleaning system for filter cloth of press filter and cleaning method thereof |
CN102225268A (en) * | 2011-03-17 | 2011-10-26 | 朱文鑫 | Cleaning device and method for grease de-waxing filter cloth |
CN203060957U (en) * | 2012-12-12 | 2013-07-17 | 瓮福(集团)有限责任公司 | Device for preventing liquid draining opening of inner annular groove of filter from being blocked |
CN203123684U (en) * | 2013-03-21 | 2013-08-14 | 中化重庆涪陵化工有限公司 | Washing system for phosphogypsum filtering device |
CN203447882U (en) * | 2013-09-12 | 2014-02-26 | 瓮福(集团)有限责任公司 | Circular cleaning system for ceramic filters |
CN206414843U (en) * | 2016-12-23 | 2017-08-18 | 灵宝金源矿业股份有限公司 | A kind of cleaning regenerating unit of ceramic filter plate |
CN206438130U (en) * | 2017-07-10 | 2017-08-25 | 秦皇岛华恒生物工程有限公司 | A kind of process units of efficient utilization L alanine racemases |
CN207307371U (en) * | 2017-09-29 | 2018-05-04 | 云南文山铝业有限公司 | Filter cloth regenerating unit |
-
2017
- 2017-09-29 CN CN201710909333.XA patent/CN107497171A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09136009A (en) * | 1995-11-10 | 1997-05-27 | Tsubokawa Tsuneo | Device for circulating and reusing waste water of sludge dehydrating device |
US6355167B1 (en) * | 1999-10-04 | 2002-03-12 | Msg Maschinen-Und Stahlbau Gmbh | Apparatus for filtering contaminated liquids |
CN2855512Y (en) * | 2005-06-23 | 2007-01-10 | 江苏省宜兴非金属化工机械厂 | Cleaner for microporous ceramic sieve plate |
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CN102179086A (en) * | 2011-04-20 | 2011-09-14 | 无锡恒诚硅业有限公司 | Alkali cleaning system for filter cloth of press filter and cleaning method thereof |
CN203060957U (en) * | 2012-12-12 | 2013-07-17 | 瓮福(集团)有限责任公司 | Device for preventing liquid draining opening of inner annular groove of filter from being blocked |
CN203123684U (en) * | 2013-03-21 | 2013-08-14 | 中化重庆涪陵化工有限公司 | Washing system for phosphogypsum filtering device |
CN203447882U (en) * | 2013-09-12 | 2014-02-26 | 瓮福(集团)有限责任公司 | Circular cleaning system for ceramic filters |
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CN207307371U (en) * | 2017-09-29 | 2018-05-04 | 云南文山铝业有限公司 | Filter cloth regenerating unit |
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Application publication date: 20171222 |