CN109011746A - Filter press with high efficiency filter and back flush and blowing - Google Patents
Filter press with high efficiency filter and back flush and blowing Download PDFInfo
- Publication number
- CN109011746A CN109011746A CN201811199497.9A CN201811199497A CN109011746A CN 109011746 A CN109011746 A CN 109011746A CN 201811199497 A CN201811199497 A CN 201811199497A CN 109011746 A CN109011746 A CN 109011746A
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- CN
- China
- Prior art keywords
- pipeline
- filter
- blowing
- hole
- washing
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
- B01D25/282—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying
- B01D25/284—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying by gases or by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
Filter press with high efficiency filter and back flush and blowing, the filter plate of filter press installation is across ear type outside, feeding-passage is arranged in mainboard and matching board, single chamber feed opening, blowback hole, left undercurrent hole, left bank fluid apertures, right undercurrent hole, right drainage hole, material inlet valve is arranged in feed pipe, the separation of solid and liquid of high efficiency filter is realized in single chamber charging, air accumulator is set, upper pipeline is equipped with blowback valve, type washing sink is set, it washs pipeline and connects right undercurrent hole, washing valve is mounted on washing pipeline, reservoir is equipped with first pipeline and connects left undercurrent hole, second pipeline connects right undercurrent hole, it is balanced that there is material to enter filter chamber pressure for single chamber charging, filtrate discharge makes filter cake moisture content low fastly, the degree of purity of filter cake can be greatly improved in back flush method, the rate of recovery of filtrate can also be increased simultaneously, reversed blowing further reduces filter cake by liquid holdup, use the pressure The very big economic benefit of filter increase reduces cost, improves filter efficiency.
Description
Technical field
The present invention is filter plant filter press field, in more detail, is related to a kind of with high efficiency filter and back flush
And the filter press of blowing.
Background technique
Filter press is the main filtration equipment for being separated by solid-liquid separation industry, and material enters filter by filter plate central well when filtering
Room forms filter cake by the particle in the filter cloth retention material of filter indoor location, and filtrate is discharged by the quadrangle fluid hole of filter plate, is realized
The purpose of separation of solid and liquid.
Due to expanding economy, the material variety for being separated by solid-liquid separation industry filtering is gradually increased, and filter material contains filter cake
Water rate requires lower and lower, and some industries washs filter cake to improve the degree of purity of filter cake, or by wash filter cake come
The rate of recovery for improving filtrate reduces cost and improves the common demands that filter efficiency is user, therefore filter press mistake used at present
Screening material separating effect is very unsatisfactory, has a defect that;Filter cake moisture content is high, and washing effect is poor, and the rate of filtration is slow, is produced into
This is big, and user is not achieved to material filtering effect, is not able to satisfy the filtering requirement of user.
Summary of the invention
The purpose of the present invention is to solve shortcomings present in above-mentioned background technique, and provide a kind of with efficient
Filtering and back flush and the filter press of blowing.
To achieve the goals above, provided by the invention that there is high efficiency filter and back flush and the filter press of blowing, it should
The filter plate of filter press installation is across ear type outside, is divided into mainboard and matching board, the mainboard and matching board group are combined into a set of, described master
Feeding-passage, single chamber feed opening, blowback hole, left undercurrent hole, left bank fluid apertures, right undercurrent hole, right drainage hole, institute is arranged in plate and matching board
The feeding-passage stated across ear upper left angle portion outside mainboard and matching board, material filtering single chamber feed opening are fed in mainboard upper left angle portion,
Filtrate is discharged in lower left comer portion in mainboard, and filtrate, arranging thing material pond is discharged in lower right corner portion in matching board, and charging is installed in the material pond
Pump, the feed pump install feed pipe, and the feed pipe connects feeding-passage, and charging is arranged in the feed pipe
Valve, the feed pipe are equipped with lateral, the lateral attachment material pond.
Air accumulator is set, and the air accumulator is equipped with upper pipeline, and the upper pipeline connects blowback hole, the upper pipeline
Equipped with blowback valve, blowback pipeline is set, the blowback pipeline connects blowback hole, and the blowback pipeline connection charging is logical
Road, blowback pipeline connect feeding-passage interface and install check valve, and lower pipeline is arranged in the air accumulator, and the lower pipeline connects
Right undercurrent hole is connect, the lower pipeline is equipped with blowing valve and connects right undercurrent hole, and the blowing is reversed blowing, and filter cake passes through
Reversed blowing reaches minimum liquid holdup.
Reservoir is set, and the reservoir is equipped with first pipeline, and the first pipeline connects left undercurrent hole, the filtrate
Second pipeline is arranged in pond, and the second pipeline connects right undercurrent hole, and the filtrate of filtering is blown through first pipeline and second pipeline flow-direction reservoir
For the filtrate of wind through first pipeline flow-direction reservoir, the blowing is reversed blowing, and filter cake reaches minimum containing liquid by reversely blowing
Rate.
Type washing sink is set, and the type washing sink is equipped with high-pressure hydraulic pump, and the high-pressure hydraulic pump is equipped with washing pipeline, institute
The washing pipeline stated connects right undercurrent hole, setting washing valve, and the washing valve is mounted on washing pipeline, and filter cake is by washing
It washs and reaches degree of purity, the washing is back flush, and filter cake reaches the filtrate rate of recovery or degree of purity by back flush.
The blowback pipeline connects feeding-passage, and blowback pipeline is blown back into slurry in feeding-passage by high pressure draught
Material pond.
The blowing is reversed blowing, and high pressure draught, which by the right undercurrent hole of matching board enters filter chamber and upwardly penetrates through filter cake, to be blown
Wind, then high pressure draught again returns to the left undercurrent hole discharge filtrate of mainboard, and high pressure draught is reversely dried the filtrate warp in filter cake
First pipeline is blown into reservoir.
The washing is back flush, and washing water enters filter chamber by the right undercurrent hole of matching board and upwardly penetrates through Washing of Filter Cake,
It is washed out water and again returns to the left undercurrent hole discharge of mainboard, washing water is flowed into reservoir through first pipeline.
The lateral attachment material pond, lateral are equipped with return valve attachment material pond.
The second pipeline connects right undercurrent hole, and second pipeline is equipped with control valve and connects right undercurrent hole.
By implementation of the invention there is high efficiency filter and back flush and the filter press of blowing there are following advantages;Filter press behaviour
Make to be automatically controlled by PLC programmable controller completely and complete, filter cake forms that fast liquid holdup is low, which is designed as mainboard
It is combined into matching board group a set of, material enters single chamber feed opening by feeding-passage when filtering, and mainboard and matching board setting are outer across ear, makes
Filter chamber increases effective filtration area, and there is material to enter filter chamber pressure equilibrium for single chamber charging, and filtrate discharge makes filter cake moisture content fastly
Low, high efficiency filter fast implements separation of solid and liquid, and thereby improving filtration efficiency, filtering is completed in feeding-passage still containing unfiltered
Slurry in feeding-passage is blown back into material pond by first time blowback, guarantees the minimum moisture content of filter cake after filtering, such as by slurry
Fruit washs filter cake, and the degree of purity of filter cake can be greatly improved in back flush method, while can also increase the rate of recovery of filtrate,
Filter plate is reversely dried by the lower right corner further reduces filter cake by liquid holdup, in blowback pipeline connection feeding-passage interface peace
Check valve is filled, it, can be saturating when being washed in feeding-passage the advantages of closed check valve when there is charging, check valve is opened when blowback
The residual moisture blowback crossed is clean, filter cake moisture content can be allow to bottom out again, further to improve returning for filtrate
The degree of purity of yield and filter cake, is fed using a kind of single chamber and back flush and the filter press of blowing filter various materials has and increase
Add very big economic benefit, reduce cost, improves filter efficiency, meet user filtering requirement.
Detailed description of the invention
The present invention is further described for following accompanying drawings and embodiment.
Fig. 1 is of the invention with high efficiency filter and back flush and the filter press schematic diagram of blowing.
1. material ponds in figure, 2. material inlet valves, 3. return valves, 4. mainboards, 5. matching boards, 6. feeding-passages, 7. single chambers
Feed opening, 8. blowback holes, 9. blowback pipelines, 10. left undercurrent holes, 11. left bank fluid apertures, 12. right undercurrent holes, 13. right drainage holes,
14. blowback valve, 15. blowing valves, 16. reservoirs, 17. control valves, 18. air accumulators, 19. type washing sinks, 20. washing valves
Door, 21. check valves.
Specific embodiment
Refering to Figure 1, provided by the invention have high efficiency filter and back flush and the filter press of blowing, under
Column mode is implemented to complete, and the mainboard 4 of filter press configuration and 5 groups of matching board are combined into a set of, and the discharge of every set filter plate will be according to charging
Channel 6 connects sequence of the single chamber feed opening 7 in side and places, and filter press operation is automatically controlled by PLC programmable controller completely
It completes, the material inlet valve 2 of material pond installation is opened when material filtering, open the control valve 17 of the installation of reservoir 16, close other
Valve, forms the charging of 4 upper left angle single chamber feed opening 7 of mainboard when filtering, and drain mainboard 4 is connected in filter chamber lower left corner left bank fluid apertures 11
Filtrate is discharged in left undercurrent hole 10, and matching board 5 connects right undercurrent hole 12 in the right drainage hole 13 in the filter chamber lower right corner and filtrate, the filter is discharged
Through first pipeline and second discharge of pipes to reservoir 16, filter cake is trapped in filter chamber liquid, and the solid-liquid of high efficiency filter is realized in single chamber charging
Separation, contains unfiltered slurry in feeding-passage 6 after the completion of filtering, the peace of material pond 1 is opened in feeding-passage 6 first time blowback
The return valve 3 of dress closes other valves, opens the blowback valve 14 that air accumulator 18 is installed, and blowback pipeline 9 is installed in blowback hole 8
Feeding-passage 6 is connected, 6 interface of feeding-passage is connected in blowback pipeline 9 and check valve 21 is installed, blowback hole 8 connects air accumulator 18
Interior pressure-air blows out slurry in feeding-passage 6 by high pressure draught, and the slurry of blowout returns to material pond through lateral
1, it is filter cake back flush in next step after the completion of blowback, opens the washing valve 20 that type washing sink 19 is installed, close other valves,
The back flush is to wash filter cake upwards by 5 filter chamber lower end right corner portion of matching board, and back flush water passes through the right undercurrent hole of matching board 5
The right drainage hole 13 of 12 connections enters filter chamber, and through pressure, the direction on filter chamber penetrates Washing of Filter Cake to back flush water, and washing water exists
Filter chamber upper end is obstructed return, then penetrates filter cake still further below back to left comer portion under filter chamber, washing water is in the 4 filter chamber lower left corner of mainboard
Into left bank fluid apertures 11, it then is drained into reservoir 16 through first pipeline through left undercurrent hole 10, washing completes filter cake and reversely dries, instead
It is to open the blowing valve 15 that air accumulator 18 is installed from 5 filter chamber right corner portion lower end of matching board to up-draught filter cake, close it to blowing
Its valve carries out high pressure air blowing in the right undercurrent hole 12 in the 5 filter chamber lower right corner of matching board, and high pressure draught enters right drain through right undercurrent hole 12
Hole 13, then the right drainage hole 13 through connecting enters filter chamber, and high pressure draught is in filter chamber to up-draught, air-flow upper end in filter chamber
It is obstructed return, air-flow penetrates filter cake and is discharged back to 4 left bank fluid apertures 11 of mainboard, and high pressure draught, which is pushed, includes residual filtrate filter cake
Enter left undercurrent hole 10 by 4 left bank fluid apertures of mainboard, the first pipeline connected through left undercurrent hole 10 is discharged into reservoir 16, feeding-passage
Return valve 3 is opened in 6 second of blowback, is opened the blowback valve 14 that air accumulator 18 is installed, is closed other valves, high pressure draught
It is using the blowback pipeline 9 that blowback hole 8 connects, the residual moisture penetrated when washing in feeding-passage 6 is anti-into blowback hole 8
It blows clean, filter cake moisture content can be allow to bottom out again, further the rate of recovery of raising filtrate and filter cake is pure
Cleanliness.
Claims (6)
1. having high efficiency filter and back flush and the filter press of blowing, it is characterised in that: the filter plate of filter press installation is outer
Across ear type is divided into mainboard and matching board, and it is logical that the mainboard and matching board group are combined into a set of, described mainboard and matching board setting charging
Road, single chamber feed opening, blowback hole, left undercurrent hole, left bank fluid apertures, right undercurrent hole, right drainage hole, the feeding-passage is in mainboard
With upper left angle across ear outside matching board portion, material filtering single chamber feed opening is fed in mainboard upper left angle portion, and mainboard is discharged in lower left comer portion
Filtrate, arranging thing material pond is discharged in lower right corner portion in filtrate, matching board, and feed pump, the feed pump peace are installed in the material pond
Pipe material is put into, the feed pipe connects feeding-passage, and material inlet valve, the feed pipe is arranged in the feed pipe
Road is equipped with lateral, and air accumulator is arranged in the lateral attachment material pond, and the air accumulator is equipped with upper pipeline, institute
The upper pipeline connection blowback hole stated, the upper pipeline are equipped with blowback valve, and blowback pipeline, the blowback pipeline connection is arranged
Blowback hole, the blowback pipeline connect feeding-passage, and blowback pipeline connects feeding-passage interface and installs check valve, described
Lower pipeline is arranged in air accumulator, and the lower pipeline connects right undercurrent hole, and the lower pipeline is equipped with blowing valve and connects right undercurrent
Hole, the blowing are reversed blowing, and filter cake reaches minimum liquid holdup by reversely blowing, reservoir, the filtrate is arranged
Pond is equipped with first pipeline, and the first pipeline connects left undercurrent hole, and second pipeline, the second pipeline connection is arranged in the reservoir
Right undercurrent hole, the filtrate of filtering is through first pipeline and second pipeline flow-direction reservoir, and the filtrate of blowing is through first pipeline flow-direction reservoir, institute
The blowing stated is reversed blowing, and filter cake reaches minimum liquid holdup by reversely blowing, type washing sink, the type washing sink is arranged
Equipped with high-pressure hydraulic pump, the high-pressure hydraulic pump is equipped with washing pipeline, and the washing pipeline connects right undercurrent hole, and washing valve is arranged
Door, the washing valve are mounted on washing pipeline, and filter cake reaches degree of purity by washing, and the washing is back flush,
Filter cake reaches the filtrate rate of recovery or degree of purity by back flush.
2. according to claim 1 have high efficiency filter and back flush and the filter press of blowing, it is characterised in that: described
Blowback pipeline connect feeding-passage, slurry in feeding-passage is blown back into material pond by high pressure draught by blowback pipeline.
3. according to claim 1 have high efficiency filter and back flush and the filter press of blowing, it is characterised in that: described
Blowing be reversed blowing, high pressure draught, which by the right undercurrent hole of matching board enters filter chamber and upwardly penetrates through filter cake, dries, then high pressure gas
Stream again returns to the left undercurrent hole discharge filtrate of mainboard, and high pressure draught, which is reversely dried, is blown into filtrate through first pipeline the filtrate in filter cake
Pond.
4. according to claim 1 have high efficiency filter and back flush and the filter press of blowing, it is characterised in that: described
Washing be back flush, washing water enters filter chamber by the right undercurrent hole of matching board and upwardly penetrates through Washing of Filter Cake, is washed out water again
It is discharged back to the left undercurrent hole of mainboard, washing water is flowed into reservoir through first pipeline.
5. according to claim 1 have high efficiency filter and back flush and the filter press of blowing, it is characterised in that: described
Lateral attachment material pond, lateral be equipped with return valve attachment material pond.
6. according to claim 1 have high efficiency filter and back flush and the filter press of blowing, it is characterised in that: described
Second pipeline connect right undercurrent hole, second pipeline is equipped with control valve and connects right undercurrent hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811199497.9A CN109011746A (en) | 2018-10-16 | 2018-10-16 | Filter press with high efficiency filter and back flush and blowing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811199497.9A CN109011746A (en) | 2018-10-16 | 2018-10-16 | Filter press with high efficiency filter and back flush and blowing |
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Publication Number | Publication Date |
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CN109011746A true CN109011746A (en) | 2018-12-18 |
Family
ID=64613161
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CN201811199497.9A Pending CN109011746A (en) | 2018-10-16 | 2018-10-16 | Filter press with high efficiency filter and back flush and blowing |
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CN (1) | CN109011746A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110141892A (en) * | 2019-06-26 | 2019-08-20 | 郑州星坤环保科技有限公司 | A kind of strengthen air-dries plate and frame filter press and its filter-pressing method |
CN110420486A (en) * | 2019-08-26 | 2019-11-08 | 江苏新宏大集团有限公司 | A kind of separated type feeding-passage and the air-dried filter plate assembly of backwash blowback |
CN110604951A (en) * | 2019-09-20 | 2019-12-24 | 景津环保股份有限公司 | High-efficient filtration filter-press |
CN111672174A (en) * | 2020-06-19 | 2020-09-18 | 安徽雪城超细碳酸钙有限公司 | Material back-blowing device and method for filter press |
CN113230708A (en) * | 2021-06-02 | 2021-08-10 | 纪礽辉 | Improved filter plate of filter press, filter press and working method |
CN114432752A (en) * | 2022-01-20 | 2022-05-06 | 莱芜汉邦传动设备有限公司 | Pressure filter with anti-cleaning function |
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JPH0731808A (en) * | 1993-07-21 | 1995-02-03 | Tanii Kogyo Kk | Backwashing of filter cloth of filter press |
CN201375841Y (en) * | 2008-12-30 | 2010-01-06 | 杭州兴源过滤机有限公司 | High-pressure desulphurized waste water filtering system |
CN206535262U (en) * | 2017-02-24 | 2017-10-03 | 景津环保股份有限公司 | A kind of combined type angle feeds chamber filter plate |
CN207056051U (en) * | 2017-07-17 | 2018-03-02 | 景津环保股份有限公司 | Membrane filter plate squeezing air is used further to blowback filter cake device |
CN209033842U (en) * | 2018-10-16 | 2019-06-28 | 景津环保股份有限公司 | A kind of charging of single chamber and back flush and the filter press of blowing |
-
2018
- 2018-10-16 CN CN201811199497.9A patent/CN109011746A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0731808A (en) * | 1993-07-21 | 1995-02-03 | Tanii Kogyo Kk | Backwashing of filter cloth of filter press |
CN201375841Y (en) * | 2008-12-30 | 2010-01-06 | 杭州兴源过滤机有限公司 | High-pressure desulphurized waste water filtering system |
CN206535262U (en) * | 2017-02-24 | 2017-10-03 | 景津环保股份有限公司 | A kind of combined type angle feeds chamber filter plate |
CN207056051U (en) * | 2017-07-17 | 2018-03-02 | 景津环保股份有限公司 | Membrane filter plate squeezing air is used further to blowback filter cake device |
CN209033842U (en) * | 2018-10-16 | 2019-06-28 | 景津环保股份有限公司 | A kind of charging of single chamber and back flush and the filter press of blowing |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110141892A (en) * | 2019-06-26 | 2019-08-20 | 郑州星坤环保科技有限公司 | A kind of strengthen air-dries plate and frame filter press and its filter-pressing method |
CN110420486A (en) * | 2019-08-26 | 2019-11-08 | 江苏新宏大集团有限公司 | A kind of separated type feeding-passage and the air-dried filter plate assembly of backwash blowback |
CN110604951A (en) * | 2019-09-20 | 2019-12-24 | 景津环保股份有限公司 | High-efficient filtration filter-press |
WO2021051422A1 (en) * | 2019-09-20 | 2021-03-25 | 景津环保股份有限公司 | High-efficiency filter press |
US11344825B2 (en) | 2019-09-20 | 2022-05-31 | Jingjin Equipment Inc. | High-efficiency filter press |
CN111672174A (en) * | 2020-06-19 | 2020-09-18 | 安徽雪城超细碳酸钙有限公司 | Material back-blowing device and method for filter press |
CN113230708A (en) * | 2021-06-02 | 2021-08-10 | 纪礽辉 | Improved filter plate of filter press, filter press and working method |
CN114432752A (en) * | 2022-01-20 | 2022-05-06 | 莱芜汉邦传动设备有限公司 | Pressure filter with anti-cleaning function |
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