CN115445267A - Filter pressing process and equipment - Google Patents
Filter pressing process and equipment Download PDFInfo
- Publication number
- CN115445267A CN115445267A CN202211061984.5A CN202211061984A CN115445267A CN 115445267 A CN115445267 A CN 115445267A CN 202211061984 A CN202211061984 A CN 202211061984A CN 115445267 A CN115445267 A CN 115445267A
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- Prior art keywords
- filter
- limit slide
- plate
- pipe
- valve
- Prior art date
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Links
- 238000003825 pressing Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000012065 filter cake Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000007605 air drying Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
- B01D25/28—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
Abstract
The invention discloses a filter pressing process and filter pressing equipment, and belongs to the technical field of solid-liquid separation. A filter pressing process comprises the following steps: step S1: injecting, namely opening a first feed valve and a second feed valve of a feed valve, and pumping the slurry to be subjected to solid-liquid separation into a filter plate gap in a filter press through a first feed pipe and a second feed pipe of the feed pipes; step S2: cleaning the pipe, after the gaps of the filter plates are filled with the slurry, closing a first feed valve and a second feed valve of the feed valves, opening a discharge valve of a water inlet valve, and sequentially pumping water and air into a material passing cavity; compared with the prior art, the invention has the advantages that: the filter press filter cake compression device has the advantages that the compression efficiency of the filter cake is increased, meanwhile, the defect that the filter cake of the existing filter press is difficult to fall off is overcome, meanwhile, filter residues are prevented from being adhered to the filter cloth, the number of times of cleaning the filter cloth is reduced, the filter pressing efficiency of equipment is further increased, and the equipment cost is reduced.
Description
Technical Field
The invention relates to the technical field of solid-liquid separation, in particular to a filter pressing process and filter pressing equipment.
Background
The filter press is a common solid-liquid separation device, is applied to chemical production in the beginning of 18 th century, and is still widely applied to the industries of chemical industry, pharmacy, metallurgy, dye, food, brewing, ceramics, environmental protection and the like.
However, the filter plate of the existing filter press has limited gap width, limited disposable filter pressing amount, and the filter press needs to be dried for a certain time after filter pressing, so that the situation that the filter cake is difficult to fall off due to high humidity and adhesion with the filter plate is prevented, but the filter cake is still difficult to fall off frequently occurs, and a filter pressing process and equipment are provided for solving the problems.
Disclosure of Invention
The present invention is directed to a filter pressing process and apparatus for solving the problems set forth above.
In order to achieve the purpose, the invention adopts the following technical scheme:
a filter pressing process and equipment comprise the following steps:
step S1: injecting, namely opening a first feed valve and a second feed valve of a feed valve, and pumping the slurry to be subjected to solid-liquid separation into a filter plate gap in a filter press through a first feed pipe and a second feed pipe of the feed pipes; step S2: cleaning the pipe, after the gaps of the filter plates are filled with the slurry, closing a first feed valve and a second feed valve of the feed valves, opening a discharge valve of a water inlet valve, and sequentially pumping water and air into a material passing cavity; and step S3: filter pressing, namely after the step S2 is finished, compressing gaps among the filter plates through a hydraulic rod to enable water in the slurry to seep out along the filter cloth; and step S4: air drying, namely positively blowing the compressed filter plate by compressing air through an air compressor, and dehydrating; step S5: and pulling the plate, sequentially separating the filter plates to enable the filter cakes to fall off from the filter cloth, and collecting the filter cakes through a collecting plate.
Preferably, the above steps are specifically operated by a filter press device, wherein the filter press device comprises: first mount, second mount, collecting plate fixed connection is between first mount, second mount, fixedly connected with hydraulic stem on the first mount, the hydraulic stem is kept away from first mount one end sliding connection in the second mount, two slide bars of fixedly connected with between first mount, the second mount, two the slide bar turns right from a left side and has first clamp plate, a plurality of filter plates, second clamp plate in proper order sliding connection, first clamp plate fixed connection is at the hydraulic stem left end, second clamp plate fixed connection is at the flexible end of hydraulic stem, be equipped with first feeding chamber on the first clamp plate, be equipped with second feeding chamber on the second clamp plate, the first pipe is pressed to fixedly connected with on the first feeding chamber, second feeding chamber and second press the pipe phase-match, first mount outer wall is pressed to the pipe, first pipe presses the pipe to communicate respectively through conversion equipment has first inlet pipe, discharging pipe, the second mount outer wall is pressed to the pipe fixed connection, the second mount communicates with second inlet pipe, inlet tube respectively, inlet tube communicates with each other.
Preferably, be equipped with first feed valve on the first inlet pipe, be equipped with the second feed valve on the second inlet pipe, be equipped with the water intaking valve on the inlet tube be equipped with the bleeder valve on the discharging pipe, conversion equipment specifically comprises pivot, striker plate, pivot fixed connection is in first inlet pipe, discharging pipe junction, it is connected with the striker plate to rotate in the pivot, one section that the pivot was kept away from to the striker plate is equipped with the recess, the striker plate respectively with first inlet pipe, discharging pipe phase-match.
Preferably, the filter plate specifically comprises fixed plate, first spout, second spout, first spacing slider, second spacing slider, spring, spacing slide, brush, connecting rod, third spout, extension spring, filter cloth, both ends all are equipped with first spout about the fixed plate, first spout sliding connection is on the slide bar, sliding connection is by first spacing slider, second spacing slider in the second spout, the second spout specifically sets up to the annular, first spacing slider, second spacing slider specifically set up to the annular, be equipped with a plurality of springs between first spacing slider, the second spacing slider, the both ends of spring are fixed connection respectively on first spacing slider, second spacing slider, be equipped with a plurality of third spouts in the first mount, be equipped with the extension spring in the third spout, sliding connection has the connecting rod in the third spout, the both ends of extension spring are fixed connection respectively on third spout inner wall, connecting rod, the connecting rod both ends are two spacing slides of fixed connection respectively, every equal fixedly connected with brush on the spacing slide, be equipped with the second spacing slider and the filter cloth between first spacing slider and the spacing slide, spacing filter cloth is connected with the spacing slide and the right side spacing filter cloth.
Compared with the prior art, the invention provides a filter pressing process and equipment, which have the following beneficial effects:
this device has increased the compression efficiency of filter cake, simultaneously, has solved the shortcoming that current pressure filter cake is difficult to drop, has avoided the filter residue to adhere on the filter cloth simultaneously, reduces the washing number of times to the filter cloth, further increases equipment filter-pressing efficiency, reduction equipment cost.
Drawings
FIG. 1 is a schematic view of the material injection state structure of the present invention;
FIG. 2 is a schematic view of the compression state structure of the present invention;
FIG. 3 is a schematic view of the filter plate opening structure of the present invention;
FIG. 4 is a schematic view of a filter plate compression configuration according to the present invention;
FIG. 5 is a schematic view of the structure of portion A of FIG. 1 according to the present invention;
fig. 6 is a schematic view of the erection structure of the striker plate of the present invention.
In the figure: 101. a first fixing frame; 102. a second fixing frame; 103. a collection plate; 104. a hydraulic rod; 105. a first platen; 106. a second platen; 107. a slide bar; 108. a first feed tube; 109. a second feed tube; 201. a water inlet pipe; 202. a discharge pipe; 203. a first crimp barrel; 204. a second crimp tube; 205. a first feed valve; 206. a second feed valve; 207. a discharge valve; 208. a water inlet valve; 209. filtering a plate; 301. a fixing plate; 302. a first chute; 303. a second chute; 304. a first limit slide block; 305. a second limit slide block; 306. a spring; 307. a limiting sliding plate; 308. a brush; 309. a connecting rod; 401. a third chute; 402. a tension spring; 403. filtering cloth; 404. a material passing cavity; 405. a limiting groove; 406. a rotating shaft; 407. a striker plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a filter pressing process and apparatus includes the following steps;
step S1: injecting materials, opening a first feed valve 205 and a second feed valve 206 of the feed valves, and pumping the slurry to be subjected to solid-liquid separation into gaps between filter plates 209 in the filter press through a first feed pipe 108 and a second feed pipe 109 of the feed pipes; step S2: cleaning the pipe, after the gap between the filter plates 209 is filled with slurry, closing the first inlet valve 205 and the second inlet valve 206 of the inlet valve, opening the outlet valve 207 of the inlet valve, and pumping water and air into the material passing cavity 404 in sequence; and step S3: filter pressing, namely after the step S2 is finished, compressing gaps among the filter plates 209 through the hydraulic rod 104 to enable water in the slurry to seep out along the filter cloth 403; and step S4: air drying, namely positively blowing the compressed filter plate 209 by using air compressed by an air compressor, and dehydrating; step S5: the filter plates 209 are sequentially separated by pulling the plates, and the filter cake is dropped off from the filter cloth 403 and collected by the collection plate 103.
Specifically, the above steps are specifically performed by means of a filter pressing device, wherein the filter pressing device comprises: first mount 101, second mount 102, collecting plate 103 fixed connection is between first mount 101, second mount 102, fixedly connected with hydraulic stem 104 on first mount 101, hydraulic stem 104 keeps away from first mount 101 one end sliding connection in second mount 102, two slide bars 107 of fixedly connected with between first mount 101, the second mount 102, two slide bars 107 turn right from a left side and have first clamp plate 105, a plurality of filter plate 209, second clamp plate 106 in proper order sliding connection, first clamp plate 105 fixed connection is at the hydraulic stem 104 left end, second clamp plate 106 fixed connection is at the flexible end of hydraulic stem 104, be equipped with first feeding chamber on first clamp plate 105, be equipped with second feeding chamber on second clamp plate 106, fixedly connected with first pressure pipe 203 on the first feeding chamber, second feeding chamber and second pressure pipe 204 phase-match, first pressure pipe 203 fixed connection is at first pressure pipe 101 outer wall, first pressure pipe 203 communicates with first inlet pipe 108, discharging pipe 202 respectively through conversion equipment, second pressure pipe 204 fixed connection is in second mount 102, second mount 102 outer wall communicates with each other.
Specifically, be equipped with first inlet valve 205 on the first inlet pipe 108, be equipped with second inlet valve 206 on the second inlet pipe 109, be equipped with on inlet valve 208 on the inlet tube 201 be equipped with bleeder valve 207 on the discharging pipe 202, conversion equipment specifically comprises pivot 406, striker plate 407, pivot 406 fixed connection is in first inlet pipe 108, discharging pipe 202 junction, it is connected with striker plate 407 to rotate on the pivot 406, one section that pivot 406 was kept away from to striker plate 407 is equipped with the recess, striker plate 407 respectively with first inlet pipe 108, discharging pipe 202 phase-match.
Specifically, the filter plate 209 specifically comprises a fixed plate 301, a first chute 302, a second chute 303, a first limit slider 304, a second limit slider 305, a spring 306, a limit slide plate 307, a brush 308, a connecting rod 309, a third chute 401, a tension spring 402, and filter cloth 403, the first chute 302 is disposed at both the upper end and the lower end of the fixed plate 301, the first chute 302 is slidably connected to the slide rod 107, the second chute 303 is slidably connected to the first limit slider 304 and the second limit slider 305, the second chute 303 is specifically configured as an annular shape, the first limit slider 304 and the second limit slider 305 are specifically configured as an annular shape, a plurality of springs 306 are disposed between the first limit slider 304 and the second limit slider 305, two ends of the springs 306 are respectively and fixedly connected to the first limit slider 304 and the second limit slider 305, be equipped with a plurality of third spouts 401 in the first mount 101, be equipped with extension spring 402 in the third spout 401, sliding connection has connecting rod 309 in the third spout 401, the both ends difference fixed connection of extension spring 402 is on third spout 401 inner wall, connecting rod 309, two spacing slides of fixedly connected with 307, every are respectively at connecting rod 309 both ends equal fixedly connected with brush 308 on the spacing slide 307, be equipped with on first spacing slider 304, the second spacing slider 305 with spacing slide 307 assorted spacing groove 405, fixedly connected with filter cloth 403 between first spacing slider 304 and the left side spacing slide 307 is terminal, fixedly connected with filter cloth 403 between second spacing slider 305 and the right side spacing slide 307 is terminal, brush 308 and filter cloth 403 phase-match.
The working principle is as follows:
when the device is used, a worker controls the first feeding valve 205 and the second feeding valve 206 to be opened, so that raw materials enter through the first feeding pipe 108 and the second feeding pipe 109, the raw materials respectively enter from two sides through the first pressing pipe 203 and the second feeding valve 206, enter the material passing cavities 404 in the plurality of filter plates 209 and enter gaps at two sides of the filter plates 209 through the material passing cavities 404, when the gaps at two sides of the filter plates 209 are completely filled, the first feeding valve 205 and the second feeding valve 206 are closed, the water inlet valve 208 is opened, water and air are pumped into the material passing cavities 404 through the water inlet pipe 201 and enter the conversion device through the material passing cavities 404, and along with the pumping of the water and the air, the grooves arranged on the baffle plate 407 in the conversion device are stressed, so that the baffle plate 407 rotates anticlockwise along the rotating shaft 406, at the moment, the first pressing pipe 203 is communicated with the discharging pipe 202, residual slurry in the material passing cavities 404 is discharged along the discharging pipe 202, after the slurry is completely discharged, air is introduced to evacuate moisture, the hydraulic rod 104 is compressed at the moment to extrude the gap between the filter plates 209, the first limiting slide block 304 and the second limiting slide block 305 in the filter plates 209 are compressed under stress, the gap between the filter plates 209 is reduced, meanwhile, the inner filter residues are attached to the filter cloth 403 and extruded on the outer surface of the fixed plate 301, the inner moisture is discharged through the gap between the fixed plate 301, after the hydraulic rod 104 is compressed to the minimum distance, the hydraulic rod stops and air-dries the plurality of filter plates 209 to discharge the inner residual moisture, then the filter plates 209 are opened and separated in sequence, at the moment, the first limiting slide block 304 and the second limiting slide block 305 in the filter plates 209 are separated along with the opening of the filter plates 209, the first limiting slide block 304 and the second limiting slide block 305 are relatively unfolded, and simultaneously, the first limiting slide block 304 and the second limiting slide block 307 are pressed to slide towards the axis of the material passing cavity 404, because the two ends of the filter cloth 403 are respectively and fixedly connected to the first limiting slide block 304, the limiting slide plate 307, the second limiting slide block 305 and the limiting slide plate 307, the limiting slide plate 307 slides along with the opening of the first limiting slide block 304 and the second limiting slide block 305, the adhesion is separated from the filter cake on the filter cloth 403 under stress and falls on the collecting plate 103, and simultaneously along with the sliding of the limiting slide plate 307, the brush 308 fixedly connected to the limiting slide plate 307 cleans the filter cloth 403, the accumulation of filter cake residues is prevented, the filter cloth 403 is prevented from being cleaned, the service life of the equipment is prolonged, and after all the filter cakes fall off, the equipment resets at the moment, and secondary filter pressing can be performed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A filter pressing process is characterized in that: the method comprises the following steps:
step S1: injecting, namely opening a first feed valve (205) and a second feed valve (206) of a feed valve, and pumping the slurry to be subjected to solid-liquid separation into gaps between filter plates (209) in the filter press through a first feed pipe (108) and a second feed pipe (109) of the feed pipes;
step S2: cleaning the pipe, after the gap between the filter plates (209) is filled with slurry, closing a first feeding valve (205) and a second feeding valve (206) of a feeding valve, opening a discharging valve (207) of a water inlet valve, and sequentially pumping water and air into a material passing cavity (404);
and step S3: filter pressing, namely after the step S2 is finished, compressing gaps among the filter plates (209) through a hydraulic rod (104), and seeping out moisture in the slurry along the filter cloth (403);
and step S4: air drying, namely positively blowing the compressed filter plate (209) by compressing air through an air compressor, and dehydrating;
step S5: and pulling the plate, separating the filter plates (209) in sequence, so that the filter cakes fall off the filter cloth (403), and collecting the filter cakes through the collecting plate (103).
2. A filter pressing apparatus, characterized in that: the above-mentioned step specifically operates through filter pressing equipment, and wherein, filter pressing equipment includes: the device comprises a first fixing frame (101), a second fixing frame (102) and a collecting plate (103), wherein the collecting plate (103) is fixedly connected between the first fixing frame (101) and the second fixing frame (102), a hydraulic rod (104) is fixedly connected to the first fixing frame (101), one end, far away from the first fixing frame (101), of the hydraulic rod (104) is slidably connected into the second fixing frame (102), two sliding rods (107) are fixedly connected between the first fixing frame (101) and the second fixing frame (102), the two sliding rods (107) are sequentially and slidably connected with a first pressing plate (105), a plurality of filter plates (209) and a second pressing plate (106) from left to right, the first pressing plate (105) is fixedly connected to the left end of the hydraulic rod (104), a second discharging pipe (106) is fixedly connected to the telescopic end of the hydraulic rod (104), a first feeding cavity is arranged on the first pressing plate (105), a second feeding cavity is arranged on the second pressing plate (106), a first feeding cavity is fixedly connected to the first feeding cavity, the first pressing pipe (203) is fixedly connected to the first feeding cavity, the second feeding cavity is matched with the second feeding cavity (204), the first fixing frame (203) and is fixedly connected to the outer wall of the first pressing plate (101), and is communicated with a second pressing pipe (204) and a second pressing device (204) which is connected with the second pressing device (202), the second fixing frame (102) is respectively communicated with the second feeding pipe (109) and the water inlet pipe (201).
3. A filter press apparatus as claimed in claim 2 wherein: be equipped with first feed valve (205) on first inlet pipe (108), be equipped with second feed valve (206) on second inlet pipe (109), be equipped with on inlet valve (208) on inlet tube (201) be equipped with bleeder valve (207) on discharging pipe (202), conversion equipment specifically comprises pivot (406), striker plate (407), pivot (406) fixed connection is in first inlet pipe (108), discharging pipe (202) junction, it is connected with striker plate (407) to rotate on pivot (406), one section that pivot (406) were kept away from in striker plate (407) is equipped with the recess, striker plate (407) respectively with first inlet pipe (108), discharging pipe (202) phase-match.
4. A filter press apparatus as claimed in claim 2 wherein: filter plate (209) specifically by fixed plate (301), first spout (302), second spout (303), first limit slide (304), second limit slide (305), spring (306), limit slide (307), brush (308), connecting rod (309), third spout (401), extension spring (402), filter cloth (403) constitute, fixed plate (301) upper and lower both ends all are equipped with first spout (302), first spout (302) sliding connection is on slide bar (107), sliding connection is by first limit slide (304), second limit slide (305) in second spout (303), second spout (303) specifically sets up to the annular, first limit slide (304), second limit slide (305) specifically set up to the annular, be equipped with a plurality of springs (306) between first limit slide (304), the second limit slide (305), the both ends of spring (306) are fixed connection respectively on first limit slide (304), second limit slide (305), be equipped with a plurality of mounts (101) in first limit slide (304), the connection of second limit slide bar (305) be equipped with third spout (401) respectively, extension spring (401) inner wall (401) is connected with third spout (401), extension spring (401) inner wall (401) is connected with extension spring (402) respectively in first limit slide (402), extension spring (304), second limit slide (305) inner wall (309) is connected with first limit slide (304), second limit slide (304), and second limit slide (304) both ends (303) are connected with, on connecting rod (309), two spacing slide (307) of fixedly connected with are distinguished at connecting rod (309), every equal fixedly connected with brush (308) on spacing slide (307), be equipped with on first limit slide (304), second limit slide (305) with spacing slide (307) assorted spacing groove (405), fixedly connected with filter cloth (403) between first limit slide (304) and the left side spacing slide (307) end, fixedly connected with filter cloth (403) between second limit slide (305) and right side spacing slide (307) end, brush (308) and filter cloth (403) phase-match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061984.5A CN115445267B (en) | 2022-08-31 | 2022-08-31 | Filter pressing process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061984.5A CN115445267B (en) | 2022-08-31 | 2022-08-31 | Filter pressing process and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115445267A true CN115445267A (en) | 2022-12-09 |
| CN115445267B CN115445267B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211061984.5A Active CN115445267B (en) | 2022-08-31 | 2022-08-31 | Filter pressing process and device |
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| Country | Link |
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| CN (1) | CN115445267B (en) |
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| CN212440210U (en) * | 2020-06-17 | 2021-02-02 | 厦门市韩江环保科技有限公司 | Quick feed liquor pressure filter |
| CN213407837U (en) * | 2020-06-23 | 2021-06-11 | 九江天泰食品股份有限公司 | Solid-liquid separation type filter press |
| CN113842685A (en) * | 2021-11-17 | 2021-12-28 | 中国地质大学（武汉） | Mechanical automation filter cake drops diaphragm type pressure filter |
| CN113893588A (en) * | 2021-10-12 | 2022-01-07 | 华能嘉祥发电有限公司 | Plate-and-frame filter press with cleaning effect |
-
2022
- 2022-08-31 CN CN202211061984.5A patent/CN115445267B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005131508A (en) * | 2003-10-29 | 2005-05-26 | Tsukishima Kikai Co Ltd | Filter cloth deposition cake removal method in dehydration using filter cloth, dehydration method by filter press and filter press device |
| CN204734997U (en) * | 2015-04-16 | 2015-11-04 | 佛山市金凯地过滤设备有限公司 | Take horizontal spring pressure filter of dry and hard structure of anti -blow |
| CN105536310A (en) * | 2016-01-25 | 2016-05-04 | 佛山市金凯地过滤设备有限公司 | Filter pressing method for removing residual water conveniently and filter press adopting filter pressing method |
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| CN108404470A (en) * | 2018-03-23 | 2018-08-17 | 王炳钦 | A kind of sewage disposal filter press |
| CN212440210U (en) * | 2020-06-17 | 2021-02-02 | 厦门市韩江环保科技有限公司 | Quick feed liquor pressure filter |
| CN213407837U (en) * | 2020-06-23 | 2021-06-11 | 九江天泰食品股份有限公司 | Solid-liquid separation type filter press |
| CN113893588A (en) * | 2021-10-12 | 2022-01-07 | 华能嘉祥发电有限公司 | Plate-and-frame filter press with cleaning effect |
| CN113842685A (en) * | 2021-11-17 | 2021-12-28 | 中国地质大学（武汉） | Mechanical automation filter cake drops diaphragm type pressure filter |
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| Publication number | Publication date |
|---|---|
| CN115445267B (en) | 2023-11-10 |
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