CN105126416B - A kind of High-cfficiency Filtration equipment - Google Patents
A kind of High-cfficiency Filtration equipment Download PDFInfo
- Publication number
- CN105126416B CN105126416B CN201510504260.7A CN201510504260A CN105126416B CN 105126416 B CN105126416 B CN 105126416B CN 201510504260 A CN201510504260 A CN 201510504260A CN 105126416 B CN105126416 B CN 105126416B
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- CN
- China
- Prior art keywords
- filter
- main body
- cartridge filter
- outerplanar
- filtrate conduit
- 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.)
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- 238000001914 filtration Methods 0.000 title claims abstract description 37
- 239000000706 filtrate Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000012530 fluid Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 238000000967 suction filtration Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- 239000012065 filter cake Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 more toward bottom Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of High-cfficiency Filtration equipment, it is therefore intended that the existing industrial filter equipment filter area of solution is small, the problem of filter efficiency is low.The present invention in filter plant main body by setting cartridge filter, add filter area, when carrying out suction filtration or press filtration, while by bottom surface filter plates, it can also be filtered by the cartridge filter of side, add filter area, substantially increase filter efficiency, and being provided with switch valve can make rate of cake moisture content lower, filter effect is obviously improved.
Description
Technical field
The present invention relates to a kind of chemical industry equipment, more particularly to a kind of High-cfficiency Filtration equipment.
Background technology
At present, China's pumping and filtering device used in separation of solid and liquid in Chemical Manufacture, its filter cloth is to use baseplane and cylinder
Sewing is integrated, and is positioned in suction filtration tank, and actually active filter area is only that baseplane plays a role in filtering, and this kind was designed
Filtering surface product is small, after effective filtration area hardened failure, and filtering can be very slow, and filter efficiency is very low, and filter cake water capacity is high.
Chinese patent notification number CN201783243U, on April 6 2011 day for announcing, discloses a kind of vacuum suction filtration tank, should
Suction filtration tank includes suction filtration tank cylinder, cone, vacuum and takes out material mouth, support web plate, and filter cloth, filter cloth are connected with the top of support web plate
Surrounding be tightly connected by sealing ring with suction filtration tank cylinder.The utility model connects filter due to the top using support web plate
Cloth, the surrounding of filter cloth is tightly connected by sealing ring with suction filtration tank cylinder, and the practical efficiency of filter cloth reaches more than 99%, significantly
Effective usable floor area of filter cloth is improved, but the invention is also filtered just with original bottom plate, is not expanded really
Filtering surface is accumulated.
The content of the invention
The purpose of the present invention is to overcome that existing industrial filter equipment filter area is small, and there is provided one for the problem of filter efficiency is low
High-cfficiency Filtration equipment is planted, the High-cfficiency Filtration equipment is filtered simultaneously using side plate and bottom plate, substantially increase filter efficiency, and filter
Cake water capacity is low.
The present invention concrete technical scheme be：A kind of High-cfficiency Filtration equipment, including main body, bottom, fluid reservoir, the main body
Bottom is provided with bottom surface filter plate, and the bottom is connected with the fluid reservoir by bottom surface filtrate conduit, and the fluid reservoir is connected with vacuum
Cartridge filter is provided with pipeline, the main body, the cartridge filter constituted water space with main body inner wall, and the water space of crossing passes through side
Face filtrate conduit is connected with the bottom surface filtrate conduit, and the side filtrate conduit is provided with valve.
This programme sets cartridge filter in the main body of filter plant, while during suction filtration by bottom surface filter plates, may be used also
To be filtered by the cartridge filter of side, meanwhile, the present invention is provided with and bottom in cartridge filter and crossing for main body inner wall composition on water space
The side filtrate conduit with valve of face filtrate conduit connection, when liquid level is less than the height of cartridge filter in main body, closes side
Filtrate conduit, only by bottom surface filter plates, so as to avoid gas leak phenomenon, invention increases filter area, is greatly improved
Filter efficiency, and filter cake water capacity is low, and filter effect is obviously improved.
This programme according to circumstances can set top cover in practical application in main body, and charging aperture is set on top cover and is gone out
Material mouth, can also only design a mouth, can not only feed but also can discharge.Main body can be designed as cylinder according to actual conditions
Etc. different shape, top cover can be designed as the shapes such as hemispherical or plane, and bottom can be designed as the differences such as taper, hemispherical
Shape, cartridge filter is designed to shape corresponding with main body according to the shape of main body, and main body correspondence can also be designed to as needed
A part for shape.Bottom surface filtrate conduit is connected with the lowest part of bottom, and side filtrate conduit connects with crossing the lowest part of water space
It is logical.
Preferably, the top and bottom of the cartridge filter are equipped with outerplanar, the outerplanar is constituted with main body inner wall
Described crosses water space.During suction filtration, form the liquid in negative pressure, main body in water space crossing and entered by cartridge filter between water
Gap, then enter fluid reservoir by side filtrate conduit.
Preferably, the lower end outerplanar of the cartridge filter is located at main body and bottom surface filter plate junction.During suction filtration,
With the accumulation of material, more toward bottom, solid accumulation is closer, and upper strata filtrate is difficult infiltration, not only influences filter efficiency, and
Filter cake water capacity is high, and the lower end outerplanar of cartridge filter is arranged on into main body and bottom surface filter plate junction, substrate material can be solved
The problem of close influence filtrate of accumulation is permeated, in addition, during suction filtration, it is outside big when liquid level is less than the height of cartridge filter
Air pressure is connected by cartridge filter with vacuum pipe, forms gas leak phenomenon, so cartridge filter just has filtering only below liquid level
Effect, is set too high, and the actual filtration effect of cartridge filter is little, can determine cartridge filter as needed in actual applications
Height.
Preferably, the upper end outerplanar of the cartridge filter is updip face, lower end outerplanar is the face that has a down dip.By cartridge filter
Upper end outerplanar is set to updip face, it is possible to reduce accumulation of the material on outerplanar, while being easy to rinse the material accumulated；
The lower end outerplanar of cartridge filter is located at main body and bottom surface filter plate junction, and the lower end outerplanar of cartridge filter is set into the face of having a down dip,
The original filter area of bottom surface filter plate is not interfered with.
A kind of High-cfficiency Filtration equipment, including main body, top cover, bottom, the lower body part are provided with bottom surface filter plate, the bottom
On be connected with bottom surface filtrate conduit, the top cover is provided with compressed gas entrance, exhaust outlet, charging aperture and discharging opening, the main body
Interior to be provided with cartridge filter, the cartridge filter and main body inner wall constituted water space, it is described cross water space by side filtrate conduit with
The bottom surface filtrate conduit connection, the side filtrate conduit is provided with valve.
This programme sets cartridge filter in the main body of filter plant, during press filtration, while by bottom surface filter plates, may be used also
To be filtered by the cartridge filter of side, meanwhile, the present invention is provided with and bottom in cartridge filter and crossing for main body inner wall composition on water space
The side filtrate conduit with valve of face filtrate conduit connection, when liquid level is less than the height of cartridge filter in main body, closes side
Filtrate conduit, only by bottom surface filter plates, so as to avoid gas leak phenomenon.Invention increases filter area, greatly improve
Filter efficiency, and filter cake water capacity is low, and filter effect is obviously improved.
This programme is provided with charging aperture and discharging opening in top cover, can according to circumstances in practical application, can also only design one
Individual mouth, can not only feed but also can discharge.Main body can be designed as the different shapes such as cylinder according to actual conditions, and top cover can be with
The shapes such as hemispherical or plane are designed as, bottom can be designed as the different shapes such as taper, hemispherical, and cartridge filter is according to main body
Shape, be designed to shape corresponding with main body, a part for main body correspondingly-shaped can also be designed to as needed.Filter bottom surface
Liquid pipe road is connected with the lowest part of bottom, and side filtrate conduit is connected with crossing the lowest part of water space.
Preferably, the top and bottom of the cartridge filter are equipped with outerplanar, the outerplanar is constituted with main body inner wall
Described crosses water space.During press filtration, the liquid in main body was entered water space, then pass through by after gas pressure by cartridge filter
Side filtrate conduit enters fluid reservoir.
Preferably, the lower end outerplanar of the cartridge filter is located at main body and bottom surface filter plate junction.In pressure-filtering process,
With the accumulation of material, more toward bottom, solid accumulation is closer, and upper strata filtrate is difficult infiltration, not only influences filter efficiency, and
Filter cake water capacity is high, and the lower end outerplanar of cartridge filter is arranged on into main body and bottom surface filter plate junction, substrate material can be solved
The problem of close influence filtrate of accumulation is permeated, in addition, in pressure-filtering process, when liquid level is less than the height of cartridge filter, compressed gas
Cognition is directly discharged by cartridge filter by side filtrate conduit, causes gas leak phenomenon, so cartridge filter ability only below liquid level
With filtration, set too high, the actual filtration effect of cartridge filter is little, in actual applications, can be as needed
The height of cartridge filter is set.
Preferably, the upper end outerplanar of the cartridge filter is updip face, lower end outerplanar is the face that has a down dip.By cartridge filter
Upper end outerplanar is set to updip face, it is possible to reduce material is accumulated on outerplanar, while being easy to rinse the material accumulated；Cross
Filter cylinder lower end outerplanar is located at main body and bottom surface filter plate junction, and the lower end outerplanar of cartridge filter is set into the face of having a down dip, will not
Influence the original filter area of bottom surface filter plate.
The beneficial effects of the invention are as follows：The present invention is carrying out suction filtration by setting cartridge filter in the main body of filter plant
Or during press filtration, while by bottom surface filter plates, can also be filtered by the cartridge filter of side, add filter area,
Filter efficiency is substantially increased, and filter cake water capacity is low, and filter effect is obviously improved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is another structural representation of the present invention；
In figure：1- main bodys, 2- top covers, 3- bottoms, 4- bottom surfaces filter plate, 5- cartridge filters, 6- crosses water space, 7- charging apertures, 8-
Discharging opening, 9- bottom surfaces filtrate conduit, 10- vacuum pipes, 11-1- upper ends outerplanar, 11-2- lower ends outerplanar, 12- compressed gas
Entrance, 13- exhaust outlets, 14- valves, 15- sides filtrate conduit, 16- fluid reservoirs
Embodiment
Below in conjunction with the accompanying drawings and by specific embodiment, technical scheme is described further.
Embodiment 1
As shown in figure 1, a kind of High-cfficiency Filtration equipment, including cylinder-shaped body 1, cone bottom 3, fluid reservoir 16, under main body 1
Portion is provided with bottom surface filter plate 4, and the lowest part of bottom 3 is connected with bottom surface filtrate conduit 9, and fluid reservoir 16 passes through bottom surface filtrate conduit 9 and bottom
Lid 3 is connected, and fluid reservoir 16, which is connected with vacuum pipe 10, main body 1, is provided with cylindrical filtration cartridges 5, and the top and bottom of cartridge filter 5 are all provided with
There is outerplanar, upper end outerplanar 11-1 is updip face, and lower end outerplanar 11-2 is have a down dip face, the lower end outerplanar 11-2 of cartridge filter 5
In main body 1 and the junction of bottom surface filter plate 4, upper end outerplanar 11-1, lower end outerplanar 11-2 and the main body 1 of cartridge filter 5
Wall constituted water space 6, and the lowest part for crossing water space 6 is connected with side filtrate conduit 15, side filtrate conduit 15 and bottom surface filtrate
Pipeline 9 is connected, and side filtrate conduit 15 is provided with valve 14.
Filter plant shown in Fig. 1 is filtered by the way of vacuum filtration, in use, first mixing solid-liquid to be filtered
Thing is put into main body 1, is opened valve 14, is then vacuumized by vacuum pipe 10, and the filtrate after being filtered through cartridge filter 5 is through side
Filtrate conduit 15 enters fluid reservoir 16, the filtrate filtered through bottom surface filter plate 4, enters fluid reservoir 16 through bottom surface filtrate conduit 9, waits to lead
When liquid level in body 1 is less than the height of cartridge filter 5, valve 14 is closed, stops the filtering of cartridge filter 5, only passes through the mistake of bottom surface filter plate 4
Filter, after suction filtration terminates, draws out the solid material after filtering out of main body 1.
Embodiment 2
As shown in Fig. 2 a kind of High-cfficiency Filtration equipment, including cylinder-shaped body 1, egg end 2, cone bottom 3, main body
1 bottom is provided with bottom surface filter plate 4, and the lowest part of bottom 3 is connected with bottom surface filtrate conduit 9, top cover 2 provided with charging aperture 7, discharging opening 8,
Cylindrical filtration cartridges 5 are provided with compressed gas entrance 12 and exhaust outlet 13, main body 1, the top and bottom of cartridge filter 5 are equipped with outer flat
Face, upper end outerplanar 11-1 is updip face, and lower end outerplanar 11-2 is the face that has a down dip, and the lower end outerplanar 11-2 of cartridge filter 5 is located at master
The junction of body 1 and bottom surface filter plate 4, upper end outerplanar 11-1, the lower end outerplanar 11-2 and the inwall of main body 1 of cartridge filter 5 are constituted
Water space 6 is crossed, the lowest part for crossing water space 6 is connected with side filtrate conduit 15, side filtrate conduit 15 and bottom surface filtrate conduit 9
Connection, side filtrate conduit 15 is provided with valve 14.
Filter plant shown in Fig. 2 is filtered by the way of press filtration, in use, first will be to be filtered by charging aperture 7
Solidliquid mixture is put into main body 1, opens valve 14, is closed exhaust outlet 13, charging aperture 7, discharging opening 8, is entered by compressed gas
Mouth 12 is passed through compressed gas and carries out press filtration, and the filtrate after being filtered through cartridge filter 5 enters fluid reservoir through side filtrate conduit 15, the bottom of through
The filtrate that face filter plate 4 is filtered, enters fluid reservoir through bottom surface filtrate conduit 9, treats that the liquid level in main body 1 is less than the height of cartridge filter 5
When, valve 14 is closed, stops the filtering of cartridge filter 5, is only filtered by bottom surface filter plate 4, after press filtration terminates, compressed gas is closed and enters
Mouth 12, opens the compressed gas in exhaust outlet 13, emptying main body 1, solid material is drawn out by discharging opening 8.
Filtered by using the filter plant of the present invention, filtration time can reduce 80%, rate of cake moisture content can be with
60% is reduced, filter effect improves obvious.
Claims (2)
1. a kind of High-cfficiency Filtration equipment, including main body, bottom, fluid reservoir, the lower body part are provided with bottom surface filter plate, the bottom
Connected with the fluid reservoir by bottom surface filtrate conduit, the fluid reservoir is connected with vacuum pipe, it is characterised in that in the main body
Provided with cartridge filter, the cartridge filter constituted water space with main body inner wall, and the water space of crossing passes through side filtrate conduit and institute
Bottom surface filtrate conduit connection is stated, the side filtrate conduit is provided with valve；The top and bottom of the cartridge filter are equipped with outer flat
Face, the outerplanar described in main body inner wall composition with crossing water space；The lower end outerplanar of the cartridge filter is located at main body and bottom
Face filter plate junction；The upper end outerplanar of the cartridge filter is updip face, and lower end outerplanar is the face that has a down dip.
2. a kind of High-cfficiency Filtration equipment, including main body, top cover, bottom, the lower body part are provided with bottom surface filter plate, the bottom
Bottom surface filtrate conduit is connected with, the top cover is provided with compressed gas entrance, exhaust outlet, charging aperture and discharging opening, it is characterised in that
Cartridge filter is provided with the main body, the cartridge filter constituted water space with main body inner wall, and the water space of crossing is filtered by side
Liquid pipe road is connected with the bottom surface filtrate conduit, and the side filtrate conduit is provided with valve；The top and bottom of the cartridge filter
Outerplanar is equipped with, the outerplanar described in main body inner wall composition with crossing water space；The lower end outerplanar position of the cartridge filter
In main body and bottom surface filter plate junction；The upper end outerplanar of the cartridge filter is updip face, and lower end outerplanar is the face that has a down dip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504260.7A CN105126416B (en) | 2015-08-17 | 2015-08-17 | A kind of High-cfficiency Filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504260.7A CN105126416B (en) | 2015-08-17 | 2015-08-17 | A kind of High-cfficiency Filtration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105126416A CN105126416A (en) | 2015-12-09 |
| CN105126416B true CN105126416B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510504260.7A Active CN105126416B (en) | 2015-08-17 | 2015-08-17 | A kind of High-cfficiency Filtration equipment |
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| Country | Link |
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| CN (1) | CN105126416B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603261B (en) * | 2019-01-28 | 2021-09-03 | 辽宁工程技术大学 | Turbid liquid concentrating device and using method thereof |
| CN112495023A (en) * | 2020-11-27 | 2021-03-16 | 贵州正业龙腾新材料开发有限公司 | Solid-liquid separation equipment of organosilicon microballon production |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342867Y (en) * | 1998-09-16 | 1999-10-13 | 中国石油化工总公司上海石油化工研究院 | Vertical filter |
| CN201175610Y (en) * | 2008-03-10 | 2009-01-07 | 江苏大学 | Inter-filter type filter |
| CN201287001Y (en) * | 2008-10-24 | 2009-08-12 | 宣达实业集团有限公司 | Sleeve type filter |
| CN202410322U (en) * | 2011-11-24 | 2012-09-05 | 启东市南洋冶金机械成套设备厂 | Pipeline filter connected by high-low connecting pipe and flange |
| CN202962042U (en) * | 2012-11-20 | 2013-06-05 | 江苏风日石英科技有限公司 | Vacuum filtration cleaning device of hyperpure material |
| CN203170087U (en) * | 2013-01-22 | 2013-09-04 | 大连连城数控机器股份有限公司 | Filter element of filter cartridge of multi-thread slicer |
| CN203620333U (en) * | 2013-12-12 | 2014-06-04 | 江西省驰邦药业有限公司 | Filter pressing equipment |
| CN204447470U (en) * | 2015-02-06 | 2015-07-08 | 湖南斯派克科技股份有限公司 | Quick suction filtration device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001170413A (en) * | 1999-12-16 | 2001-06-26 | Mitsubishi Gas Chem Co Inc | Filter unit of treating vessel |
-
2015
- 2015-08-17 CN CN201510504260.7A patent/CN105126416B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342867Y (en) * | 1998-09-16 | 1999-10-13 | 中国石油化工总公司上海石油化工研究院 | Vertical filter |
| CN201175610Y (en) * | 2008-03-10 | 2009-01-07 | 江苏大学 | Inter-filter type filter |
| CN201287001Y (en) * | 2008-10-24 | 2009-08-12 | 宣达实业集团有限公司 | Sleeve type filter |
| CN202410322U (en) * | 2011-11-24 | 2012-09-05 | 启东市南洋冶金机械成套设备厂 | Pipeline filter connected by high-low connecting pipe and flange |
| CN202962042U (en) * | 2012-11-20 | 2013-06-05 | 江苏风日石英科技有限公司 | Vacuum filtration cleaning device of hyperpure material |
| CN203170087U (en) * | 2013-01-22 | 2013-09-04 | 大连连城数控机器股份有限公司 | Filter element of filter cartridge of multi-thread slicer |
| CN203620333U (en) * | 2013-12-12 | 2014-06-04 | 江西省驰邦药业有限公司 | Filter pressing equipment |
| CN204447470U (en) * | 2015-02-06 | 2015-07-08 | 湖南斯派克科技股份有限公司 | Quick suction filtration device |
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| Publication number | Publication date |
|---|---|
| CN105126416A (en) | 2015-12-09 |
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Denomination of invention: An efficient filtration device Effective date of registration: 20231013 Granted publication date: 20170801 Pledgee: Quzhou Branch of China Merchants Bank Co.,Ltd. Pledgor: ZHEJIANG BANGCHENG CHEMICAL Co.,Ltd. Registration number: Y2023980060993 |