CN109529464A - The vertical plate and frame filter press process matched therewith device of gas squeezing - Google Patents
The vertical plate and frame filter press process matched therewith device of gas squeezing Download PDFInfo
- Publication number
- CN109529464A CN109529464A CN201811524557.XA CN201811524557A CN109529464A CN 109529464 A CN109529464 A CN 109529464A CN 201811524557 A CN201811524557 A CN 201811524557A CN 109529464 A CN109529464 A CN 109529464A
- Authority
- CN
- China
- Prior art keywords
- squeezing
- vertical plate
- filter press
- drying
- frame filter
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- 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
Abstract
The present invention relates to the vertical plate and frame filter press process matched therewith devices of gas squeezing, including squeezing system and blow-drying system；Squeezing system includes the squeezing pipeline of sequentially connected air compressor, high voltage precision filter, high pressure gas storage tank and the vertical plate and frame filter press of access, and the compressed air of squeezing system production high pressure enters vertical plate and frame filter press and squeezes to filter cake；Blow-drying system includes the drying pipeline of the low pressure accurate filter connecting with air compressor, low pressure gas storage tank and the vertical plate and frame filter press of access, and the compressed air that blow-drying system produces low pressure enters the filter cake after the drying squeezing of vertical plate and frame filter press.The present invention overcomes the technical deficiency of existing high water pressure filter, carries out filter cake squeezing using compressed air, reduces the process matched therewith of vertical plate and frame filter press, reduce cost of investment, simplify system operatio.
Description
Technical field
The invention belongs to solid-liquid separation technique fields, and in particular to a kind of mating work of vertical plate and frame filter press of gas squeezing
Process and equipment.
Background technique
The universal course of work of current vertical flame filter press is (such as Fig. 1 and 2): material enters sheet frame and forms cake layer
Afterwards, (diaphragm is used to separate high pressure water and filter cake), after being full of water in diaphragm cavity, diaphragm cavity are filled in diaphragm cavity using high pressure water
Interior pressure rise, at this time persistently to high pressure water is filled in diaphragm cavity, cake layer realizes solid-liquid point under the squeezing effect of high pressure water
From finally being carried out with compressed air air-dried, further decrease rate of cake moisture content.
Time due to high pressure water full of diaphragm is longer, and production efficiency is low；In expressing process, high pressure water pressurizing device is needed
It continues working, energy consumption is high；And if the diaphragm leakage in squeezing, water meeting contaminated material, technological operation risk are larger.
Summary of the invention
The object of the present invention is to provide a kind of vertical plate and frame filter press process matched therewith devices of gas squeezing, overcome existing skill
The deficiency of art carries out filter cake squeezing using compressed air, reduces the process matched therewith of vertical plate and frame filter press, reduce investment at
This, simplifies system operatio.
The technical scheme adopted by the invention is as follows:
The vertical plate and frame filter press process matched therewith device of gas squeezing, it is characterised in that:
Described device includes squeezing system and blow-drying system；
Squeezing system includes sequentially connected air compressor, high voltage precision filter, high pressure gas storage tank and the vertical sheet frame of access
The squeezing pipeline of filter press, the compressed air of squeezing system production high pressure enter vertical plate and frame filter press and squeeze to filter cake；
Blow-drying system includes the low pressure accurate filter connecting with air compressor, low pressure gas storage tank and the vertical plate compression of access
The drying pipeline of machine, the compressed air that blow-drying system produces low pressure enter the filter cake after the drying squeezing of vertical plate and frame filter press.
Described device further includes recovery system, and recovery system includes squeezing low-pressure vent valve and squeezes high pressure air exhaust valve, respectively
From squeezing pipeline access drying pipeline after self-forming path in parallel, classification recycling squeezing compressed air is used to dry up the filter after squeezing
Cake.
Air compressor is sequentially connected air cushion tank, by-pass filtration machine, freeze drier, secondary filter, produces later
The compressed air of raw cleaning, drying divides two-way input high voltage precision filter and low pressure accurate filter.
It is connected with check valve and high pressure admission valve between high voltage precision filter and high pressure gas storage tank in turn.
Low-pressure admission valve is connected between low pressure accurate filter and low pressure gas storage tank.
Squeezing valve is provided between high pressure gas storage tank and squeezing pipeline.
Drying valve is provided between low pressure gas storage tank and drying pipeline.
Pressure reducing valve is provided between squeezing high pressure air exhaust valve and drying pipeline.
It squeezes pipeline and emptying access is picked out by blow valve.
The invention has the following advantages that
The present apparatus closes low-pressure admission valve when high pressure admission valve is opened in carrying out expressing process always；During drying,
High pressure admission valve is closed always when low-pressure admission valve is opened, it is ensured that squeezing and drying gas demand improve working efficiency.
Apparatus of the present invention are compressed air needed for solving squeezing and drying using a set of compressed air system, are simplified
The process matched therewith of vertical plate and frame filter press technique, reduces cost of investment.
Apparatus of the present invention are more energy efficient.When compressed air is squeezed, since gas compression is than big, the volume after filter cake is squeezed becomes
Change causes varying less for diaphragm cavity pressure, so air compressor is started without supplement substantially in lasting expressing process
Pressure.And when hydraulic pressure squeezing, for pressure maintaining, force (forcing) pump must be continued working, and energy consumption is more.
Apparatus of the present invention processing performance safety.In expressing process, even if diaphragm is revealed, compressed air will not pollute filter cake
And rate of cake moisture content is caused to increase.
After the completion of squeezing, compressed air is adequately recycled apparatus of the present invention, for drying up filter cake, reduces drying gas
The usage amount of body, reduces production energy consumption.
In the present invention using compressed air squeeze when, compressed air full of diaphragm cavity time it is shorter, boosting the used time be only
1/5 squeezed with hydraulic pressure, effectively raises production efficiency.
After the completion of being squeezed in the present invention using compressed air, gas is easier to be vented from diaphragm, to enable diaphragm
It is adsorbed on sheet frame completely, is conducive to the charging of next production cycle.
Detailed description of the invention
Fig. 1 is existing vertical flame filter press expressing process schematic diagram.
Fig. 2 is that existing vertical flame filter press dries up process schematic.
Fig. 3 is apparatus of the present invention process flow chart.
In the figure, it is marked as
Air compressor 1, air cushion tank 2, by-pass filtration machine 3, freeze drier 4, secondary filter 5, high voltage precision filtering
Device 6, check valve 7, high pressure admission valve 8, high pressure gas storage tank 9, squeezing valve 10, squeezing pipeline 11, low pressure accurate filter 12, low pressure
Intake valve 13, low pressure gas storage tank 14, drying valve 15, drying pipeline 16, squeezing low-pressure vent valve 17, squeezing high pressure air exhaust valve 18,
Pressure reducing valve 19, blow valve 20, vertical plate and frame filter press 21.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of vertical plate and frame filter press process matched therewith devices of gas squeezing, are filtered using compressed air
Cake squeezing, high production efficiency, low energy consumption, operability is more reliable.Described device includes squeezing system, blow-drying system and recycling system
System.
Squeezing system includes that sequentially connected air compressor 1, high voltage precision filter 6, high pressure gas storage tank 9 and access are vertical
The squeezing pipeline 11 of formula plate and frame filter press 21, the compressed air that squeezing system produces high pressure enter 21 pairs of vertical plate and frame filter press filters
Cake is squeezed.Squeezing system can produce clean, dry compressed air, and control compressed air into vertical plate and frame filter press
21 diaphragm cavity squeezes filter cake, realizes and is separated by solid-liquid separation.
Blow-drying system includes that the low pressure accurate filter 12 connecting with air compressor 1, low pressure gas storage tank 14 and access are vertical
The drying pipeline 16 of formula plate and frame filter press 21, the compressed air that blow-drying system produces low pressure are dried up into vertical plate and frame filter press 21
Filter cake after squeezing.Filter cake of the blow-drying system after the compressed air drying squeezing being stored in low pressure gasholder 14
Recovery system includes squeezing low-pressure vent valve 17 and squeezing high pressure air exhaust valve 18, is managed after each self-forming path in parallel from squeezing
The access of road 11 drying pipeline 16, classification recycling squeezing compressed air are used to dry up the filter cake after squeezing.Recovery system classification recycling
Compressed air is squeezed, for drying up the filter cake after squeezing.
Air compressor 1 is sequentially connected air cushion tank 2, by-pass filtration machine 3, freeze drier 4, secondary filter 5, it
The compressed air of the cleaning, drying that generate afterwards divides two-way input high voltage precision filter 6 and low pressure accurate filter 12.
It is connected with check valve 7 and high pressure admission valve 8 between high voltage precision filter 6 and high pressure gas storage tank 9 in turn.Low pressure essence
Low-pressure admission valve 13 is connected between close filter 12 and low pressure gas storage tank 14.It is set between high pressure gas storage tank 9 and squeezing pipeline 11
It is equipped with squeezing valve 10.Drying valve 15 is provided between low pressure gas storage tank 14 and drying pipeline 16.It squeezes high pressure air exhaust valve 18 and blows
Pressure reducing valve 19 is provided between main pipe road 16.Squeezing pipeline 11 picks out emptying access by blow valve 20.
Blow valve 20 is used to discharge the low-pressure gas after the completion of squeezing；Check valve 7 prevents the compression in high pressure gas storage tank empty
Gas enters low pressure gasholder 14, influences process safety；Pressure reducing valve 19 is to avoid high pressure air when purging to equipment safety
It causes damages.
The processing step of device are as follows:
For vertical plate and frame filter press 21 before squeezing, drying, air compressor 1 is first full of the pressure of 1.2MPa to high pressure gas storage tank 9
Contracting air is full of the compressed air of 0.7MPa to low pressure gas storage tank 14.When starting to squeeze step, squeezing valve 10 is opened, high pressure gas
Compressed air in storage tank 9 enters diaphragm cavity by squeezing pipeline 11, at this time the pressure decline in high pressure gas storage tank 9.Start to mend
Pressure opens high pressure admission valve 8, starts air compressor 1, the compressed air of generation continues into diaphragm cavity, to diaphragm cavity internal pressure
When power reaches 1.2MPa, the pressure in high pressure gas storage tank 9 is also 1.2MPa, closes high pressure admission valve 8, and air compressor 1 stops
Work.Under lasting high-pressure compressing, dehydration deforms volume and reduces filter cake, so that diaphragm cavity volume expansions is become larger, leads to diaphragm cavity
Interior pressure reduction restarts ftercompction, it is ensured that squeeze pressure remains at when diaphragm cavity pressure is lower than 1.15MPa
More than 1.15MPa.
After the completion of squeezing, squeezing valve 10 is closed, and squeezing high pressure air exhaust valve 18 is opened, the compressed air in diaphragm cavity is passed through
Pressure reducing valve 19 reduces to 0.6MPa and dries up to filter cake.When diaphragm cavity pressure is lower than 0.7MPa, squeezing high pressure gas is closed
Valve 18 opens squeezing low-pressure vent valve 17, continues with the compressed air drying filter cake in diaphragm cavity.When diaphragm cavity pressure is lower than
When 0.2MPa, squeezing low-pressure vent valve 17 is closed, blow valve 20 is opened.Begin to use blow-drying system to continue to dry up to filter cake, beats
Drying valve 15 is opened, the pressure decline in low pressure gas storage tank 14 opens low-pressure admission valve 12, starts air compressor 1.Drying is completed
Afterwards, blow valve 20, drying valve 15 are closed, opens high pressure admission valve 8, air compressor 1 continues to high pressure gas storage tank 9, low pressure gas
14 pressurising of storage tank closes high pressure admission valve 8, low-pressure admission valve 12, air pressure until pressure respectively reaches 1.2MPa, 0.7MPa
Contracting machine 1 stops working, and waits and enters next working cycles.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (9)
1. the vertical plate and frame filter press process matched therewith device of gas squeezing, it is characterised in that:
Described device includes squeezing system and blow-drying system；
Squeezing system includes sequentially connected air compressor (1), high voltage precision filter (6), high pressure gas storage tank (9) and access
The squeezing pipeline (11) of vertical plate and frame filter press (21), the compressed air that squeezing system produces high pressure enter vertical plate and frame filter press
(21) filter cake is squeezed；
Blow-drying system includes the low pressure accurate filter (12) connecting with air compressor (1), low pressure gas storage tank (14) and access
The drying pipeline (16) of vertical plate and frame filter press (21), the compressed air that blow-drying system produces low pressure enter vertical plate and frame filter press
(21) filter cake after drying squeezing.
2. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 1, it is characterised in that:
Described device further includes recovery system, and recovery system includes squeezing low-pressure vent valve (17) and squeezing high pressure air exhaust valve
(18), from squeezing pipeline (11) access drying pipeline (16) after each self-forming path in parallel, classification recycling squeezing compressed air is used
Filter cake after drying squeezing.
3. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 2, it is characterised in that:
Air compressor (1) is sequentially connected air cushion tank (2), by-pass filtration machine (3), freeze drier (4), secondary filter
(5), the compressed air of the cleaning, drying that generate later divides two-way input high voltage precision filter (6) and low pressure accurate filter
(12).
4. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 3, it is characterised in that:
It is connected with check valve (7) and high pressure admission valve (8) between high voltage precision filter (6) and high pressure gas storage tank (9) in turn.
5. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 4, it is characterised in that:
Low-pressure admission valve (13) are connected between low pressure accurate filter (12) and low pressure gas storage tank (14).
6. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 5, it is characterised in that:
Squeezing valve (10) is provided between high pressure gas storage tank (9) and squeezing pipeline (11).
7. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 6, it is characterised in that:
Drying valve (15) is provided between low pressure gas storage tank (14) and drying pipeline (16).
8. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 7, it is characterised in that:
Pressure reducing valve (19) are provided between squeezing high pressure air exhaust valve (18) and drying pipeline (16).
9. the vertical plate and frame filter press process matched therewith device of gas squeezing according to claim 8, it is characterised in that:
Squeezing pipeline (11) picks out emptying access by blow valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524557.XA CN109529464A (en) | 2018-12-13 | 2018-12-13 | The vertical plate and frame filter press process matched therewith device of gas squeezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524557.XA CN109529464A (en) | 2018-12-13 | 2018-12-13 | The vertical plate and frame filter press process matched therewith device of gas squeezing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109529464A true CN109529464A (en) | 2019-03-29 |
Family
ID=65854955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811524557.XA Pending CN109529464A (en) | 2018-12-13 | 2018-12-13 | The vertical plate and frame filter press process matched therewith device of gas squeezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109529464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851074A (en) * | 2020-12-31 | 2021-05-28 | 第一环保（深圳）股份有限公司 | Production method of sludge dewatering and drying integrated equipment by utilizing magneto-thermal diaphragm airflow |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW542234U (en) * | 2002-05-13 | 2003-07-11 | Kai-Bi Liang | Improved sewage dehydration device |
| CN101091846A (en) * | 2007-05-22 | 2007-12-26 | 西安航天华威化工生物工程有限公司 | Vertical type full automatic plate-and-frame filter press, and filter technique |
| CN101456656A (en) * | 2008-12-30 | 2009-06-17 | 杭州兴源过滤机有限公司 | Filtrating and squeezing process and system for desulphurization wastewater |
| CN201505474U (en) * | 2009-09-16 | 2010-06-16 | 景津压滤机集团有限公司 | Vertical pressure filter |
| CN101759341A (en) * | 2008-12-25 | 2010-06-30 | 中国铝业股份有限公司 | Red mud filter pressing dehydrating process |
| CN102580372A (en) * | 2012-01-12 | 2012-07-18 | 杭州兴源过滤科技股份有限公司 | Coal slime filter-press test system and coal slime test method |
| JP5108163B1 (en) * | 2012-07-10 | 2012-12-26 | 三協技研工業株式会社 | Filtration method and filtration device |
| CN104548888A (en) * | 2015-02-03 | 2015-04-29 | 拜城县众泰煤焦化有限公司 | Press and cross-flow gas drying and preheating device of press filter and realization method |
| CN204607830U (en) * | 2015-05-07 | 2015-09-02 | 上海隧道工程有限公司 | A kind of van-type barrier film press filteration system |
| CN107126738A (en) * | 2017-07-17 | 2017-09-05 | 景津环保股份有限公司 | Membrane filter plate squeezing air is used further to blowback filter cake device and method |
| CN107572747A (en) * | 2017-09-19 | 2018-01-12 | 杭州锦江集团有限公司 | Red mud handling process and processing system in a kind of alumina producing |
| CN209530334U (en) * | 2018-12-13 | 2019-10-25 | 西安航天华威化工生物工程有限公司 | A kind of vertical plate and frame filter press process matched therewith device of gas squeezing |
-
2018
- 2018-12-13 CN CN201811524557.XA patent/CN109529464A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW542234U (en) * | 2002-05-13 | 2003-07-11 | Kai-Bi Liang | Improved sewage dehydration device |
| CN101091846A (en) * | 2007-05-22 | 2007-12-26 | 西安航天华威化工生物工程有限公司 | Vertical type full automatic plate-and-frame filter press, and filter technique |
| CN101759341A (en) * | 2008-12-25 | 2010-06-30 | 中国铝业股份有限公司 | Red mud filter pressing dehydrating process |
| CN101456656A (en) * | 2008-12-30 | 2009-06-17 | 杭州兴源过滤机有限公司 | Filtrating and squeezing process and system for desulphurization wastewater |
| CN201505474U (en) * | 2009-09-16 | 2010-06-16 | 景津压滤机集团有限公司 | Vertical pressure filter |
| CN102580372A (en) * | 2012-01-12 | 2012-07-18 | 杭州兴源过滤科技股份有限公司 | Coal slime filter-press test system and coal slime test method |
| JP5108163B1 (en) * | 2012-07-10 | 2012-12-26 | 三協技研工業株式会社 | Filtration method and filtration device |
| CN104548888A (en) * | 2015-02-03 | 2015-04-29 | 拜城县众泰煤焦化有限公司 | Press and cross-flow gas drying and preheating device of press filter and realization method |
| CN204607830U (en) * | 2015-05-07 | 2015-09-02 | 上海隧道工程有限公司 | A kind of van-type barrier film press filteration system |
| CN107126738A (en) * | 2017-07-17 | 2017-09-05 | 景津环保股份有限公司 | Membrane filter plate squeezing air is used further to blowback filter cake device and method |
| CN107572747A (en) * | 2017-09-19 | 2018-01-12 | 杭州锦江集团有限公司 | Red mud handling process and processing system in a kind of alumina producing |
| CN209530334U (en) * | 2018-12-13 | 2019-10-25 | 西安航天华威化工生物工程有限公司 | A kind of vertical plate and frame filter press process matched therewith device of gas squeezing |
Non-Patent Citations (1)
| Title |
|---|
| 崔佳娜 等: "立式自动压滤机及其在钽铌冶炼生产中的应用" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112851074A (en) * | 2020-12-31 | 2021-05-28 | 第一环保（深圳）股份有限公司 | Production method of sludge dewatering and drying integrated equipment by utilizing magneto-thermal diaphragm airflow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206636754U (en) | A kind of air compressor machine and its control device based on high efficiency motor | |
| CN106839678A (en) | A kind of honeysuckle high-efficiency drying apparatus | |
| CN103550966B (en) | A kind of method of operating of diaphragm filter press | |
| CN107008042B (en) | Sewage sludge reduction dewatering device based on electromagnetic force | |
| CN209530334U (en) | A kind of vertical plate and frame filter press process matched therewith device of gas squeezing | |
| CN109529464A (en) | The vertical plate and frame filter press process matched therewith device of gas squeezing | |
| CN209293985U (en) | A kind of Pneumatic booster pump | |
| CN206683333U (en) | A kind of honeysuckle high-efficiency drying apparatus | |
| CN107008041B (en) | Sewage sludge reduction dehydration method based on electromagnetic force | |
| CN205516718U (en) | Energy -conserving high -efficient vacuum dehydration machine | |
| CN203183762U (en) | Energy-saving diaphragm type pressure filter | |
| CN205549777U (en) | A filter -pressing jar for medicine midbody | |
| CN107082550B (en) | Sewage sludge dewatering device based on electromagnetic force | |
| CN203436880U (en) | Wort filter press | |
| CN206738932U (en) | A kind of special helium recovery unit of power vehicle | |
| CN204607830U (en) | A kind of van-type barrier film press filteration system | |
| CN206417991U (en) | A kind of small pneumatic high pressure filtering device | |
| CN205216311U (en) | Alkali formula nickelous carbonate filters to press uses membrane filter press futilely | |
| CN109458320A (en) | CNG gas station compressor assembly | |
| CN214158620U (en) | Transformer oil filtering and micro-water treatment device | |
| CN206816475U (en) | A kind of air compressor filter | |
| CN207715467U (en) | Large-diameter F.F. goes out device and filter press soon | |
| CN207838392U (en) | Filter press self-balancing pressure system | |
| CN209483562U (en) | CNG gas station compressor assembly | |
| CN207130128U (en) | A kind of sewage sludge dehydration device based on electromagnetic force |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |