CN103221107A - Apparatus for rapid cake discharge and filter cloth cleaning of filter press - Google Patents
Apparatus for rapid cake discharge and filter cloth cleaning of filter press Download PDFInfo
- Publication number
- CN103221107A CN103221107A CN2012800028186A CN201280002818A CN103221107A CN 103221107 A CN103221107 A CN 103221107A CN 2012800028186 A CN2012800028186 A CN 2012800028186A CN 201280002818 A CN201280002818 A CN 201280002818A CN 103221107 A CN103221107 A CN 103221107A
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- Prior art keywords
- filter
- filter cloth
- spray boom
- cleaning
- plate
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- 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
- B01D25/172—Plate spreading means
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
Disclosed is an apparatus for rapid cake discharge and filter cloth cleaning of a filter press. The apparatus comprises a support frame, a filter plate part, a rapid cake discharge part and a filter cloth cleaning part, wherein the support frame comprises a central beam (19); the filter cloth cleaning part comprises spray lances (26) capable of achieving a change in elevation relative to the central beam and nozzles (25, 27) mounted on the spray lances; the filter plate part comprises a filter plate set composed of more than two filter plates (6) and a filter plate drive part, filter plate spacing plates (7) being installed between the filter plates (6), and the filter plate set being drawn apart and compacted together under the drive of the filter plate drive part; the rapid cake discharge part comprises filter cloths installed between adjacent filter plates (6), the filter cloths being installed on the spray lances (26) by means of a filter cloth hanging bar (5), and the lower ends of the filter cloths being provided with filter cloth weight rods (20); and the filter cloth cleaning part further comprises spray lance spacing plates (3) mounted between the spray lances (26).
Description
Filter press rapid cake discharge and cleaning filter cloth device
Technical field
The present invention relates to filter press manufacturing technology field, more particularly, to a kind of filter press rapid cake discharge on filter press and cleaning filter cloth device.
Background technology
Filter press is special filter plant in separation of solid and liquid industry, and filtered fluid enters filter press by feed pump, and the particle in filtrate is retained by the filter cloth of filter medium, and forms in filter chamber filter cake, and the filtrate after filtering is discharged by the fluid hole of filter plate.Because filter press can be used in various different industries, the filtrate characteristic produced in different industries production is different, not only containing small particle and with stronger viscosity in some filtrate, so, the stronger particle of viscosity is easy to stick on filter cloth, blocks the air-vent of filter cloth, causes discharge opeing difficult therewith, filter chamber can not form filter cake, and then have a strong impact on the filter effect of filter press.In order to solve this problem, the method generally used at present is by manually using high pressure water cleaning filter cloth, or filter cloth is disassembled from filter plate to be cleaned, which cleaning speed is slow, labor strength is big, and water for cleaning is directly discharged, and still can cause the pollution of environment.
Application number is 200810110557. 5, title is to disclose a kind of filter cloth cleaning device designed to solve the above problems in the patent of invention of " filter cloth cleaning apparatus of pressure filter and preparation method thereof ", the cleaning device is by support, moving carriage, lift pipeline, clean transverse tube and its driving part composition, support is the tower structure being made up of crossbeam and girder, moving carriage is arranged on support girder upper surface, driving motor and drive lifting disk lifting in moving carriage equipped with driving pulley, realize the lifting motor of cleaning transverse tube height change, and matched transmission mechanism, and the girder connection of mobile pulley and support is installed on four angles of moving carriage, when using, the plate pulling device of filter press pulls open filter plate, moving carriage is moved, after plate pulling device pulls first piece of filter plate to baffle plate shield, transverse tube is cleaned to rise, high-pressure hydraulic pump starts, high-pressure wash is carried out to the block filter plate, after cleaning is finished, moving carriage moves one piece of filter plate position, plate pulling device pulls open second piece of filter plate, filter plate cleaning is so repeated, moving carriage returns in situ after the completion of cleaning.The problem of cleaning difficult which solves the filter plate existed for many years, has reached mechanization, the purpose of automatic cleaning filter cloth, compared to artificial operation, has improved filter cloth cleaning
Efficiency, but be due to that the present apparatus pulls open filter plate removal filter cake piecewise using plate pulling device, pulling open filter plate by plate pulling device monolithic during cleaning carries out high-pressure wash, and the present apparatus still has the shortcoming that efficiency is low, complicated, fault rate is high, cost is high.The content of the invention
It is an object of the invention to solve problem present in above-mentioned background art, a kind of filter press rapid cake discharge and cleaning filter cloth device are provided, the present apparatus integrates rapid cake discharge and filter cloth high-pressure wash function, filter press disposable tension filter plate, removal filter cake and simultaneously a filter cloth cleaning are completed, and the technical scheme of use is：Filter press rapid cake discharge and cleaning filter cloth device, part is cleaned including support, filter plate part, rapid cake discharge part and filter cloth, the support includes girder, the filter cloth cleaning part point includes that the spray boom of height change and the nozzle on spray boom can be realized relative to girder, it is characterised in that：The filter plate part includes being provided with filter plate Board for adjusting vision distance between the filter plates of more than two pieces filter plate compositions, the filter plate, and filter plates are pulled open and compressed under the drive of filter plate drive part；The rapid cake discharge part includes the filter cloth being arranged between adjacent filter plate, and filter cloth is by filter cloth peg on spray boom, and the lower end of the filter cloth is provided with filter cloth faller, and the filter cloth cleaning part also includes the spray boom Board for adjusting vision distance being arranged between spray boom.
The technical characteristic of the present invention also has：The support also includes the thrust plate positioned at filter plates one end, the filter plate drive part includes the pressure strip positioned at the filter plates other end, the filter plate Board for adjusting vision distance and spray boom Board for adjusting vision distance are connected with pressure strip, and pressure strip is moved under drive disk assembly drive along girder direction.
The technical characteristic of the present invention also has：The drive disk assembly includes reducing motor, the drive sprocket of chain-drive mechanism is housed in reducing motor output shaft, connecting plate is fixed with the chain of the chain-drive mechanism, the connecting plate is fixed on Shift cylinder seat, the pressure strip is also connected with Shift cylinder seat.
The technical characteristic of the present invention also has：The filter plate drive part also includes filter plate positioning element, the filter plate positioning element includes thrust platform and the thrust pin that can be inserted into thrust platform, lifting hydraulic cylinder is fixed on the lifting support that the Shift cylinder seat both sides are set, the piston rod of lifting hydraulic cylinder connects the thrust pin, and the thrust platform is on girder.
The technical characteristic of the present invention also has：The filter plate positioning element also includes the location-plate on pressure strip,
The filter plate Board for adjusting vision distance and spray boom Board for adjusting vision distance are connected with the location-plate.
The technical characteristic of the present invention also has：The filter cloth cleaning part also includes the spray boom crossbeam positioned at girder top, and the spray boom is on spray boom crossbeam, and provided with the support air cushion that spray boom is moved up and down is made between spray boom crossbeam and the support, spray boom is also connected with cleaning conduit component.
The technical characteristic of the present invention also has：The nozzle includes elbow nozzle and intermediate noxzzle, is to be threadedly coupled between elbow nozzle and intermediate noxzzle and spray boom.
The technical characteristic of the present invention also has：The spray boom is provided with filter cloth hanging groove, and the filter cloth peg is housed on filter cloth hanging groove, and the filter cloth faller is the closed stainless steel tube in two ends, and weight is housed in stainless steel tube.
The technical characteristic of the present invention also has：The filter press rapid cake discharge and cleaning filter cloth device also include connecing liquid turnover panel part, and the liquid turnover panel part that connects is located at the lower section of filter cloth, including connects liquid turnover panel and connect liquid bath, and the liquid turnover panel that connects is rotated in the case where connecing the effect of liquid driving part.The technical characteristic of the present invention also has：The support also includes girder supporting leg, and girder is fixed with girder supporting leg.
The beneficial effects of the present invention are：1) present apparatus has rapid cake discharge and the big function of Rapid Cleaning filter cloth two simultaneously, and the unique design of Board for adjusting vision distance links together polylith filter plate or multiple spray booms, so as to realize filter plate or spray boom integrally motion and the purpose of spacing-controllable.
2) the filter cloth faller that vibration is realized under positice ground effect has been used in the quick removal of sticking filter cake, the present apparatus in order to have, so as to effectively reduce the cake discharge time and reach preferable cake discharge effect.
3) present apparatus has simple in construction, and easy to maintenance, cake discharge speed is fast, and filter cloth cleaning is thorough, the low advantage of cost.
Brief description of the drawings
Accompanying drawing 1 is that the filter plate in the present invention is in structural representation when pulling open state, and accompanying drawing 2 is the top view of accompanying drawing 1, and accompanying drawing 3 is the left view of accompanying drawing 1, and accompanying drawing 4 is filter plate Board for adjusting vision distance schematic diagram, accompanying drawing 5
It is the top view of accompanying drawing 4, wherein 1 is thrust plate, 2 be overarm brace, 3 be spray boom Board for adjusting vision distance, 4 be filter cloth hanging groove, 5 be filter cloth peg, 6 be filter plate, 7 be filter plate Board for adjusting vision distance, 8 be spray boom bearing pin, 9 be spray boom crossbeam, 10 be location-plate, 11 be connecting plate, 12 be Shift cylinder seat, 13 be lifting hydraulic cylinder, 14 be lifting support, 15 be thrust pin, 16 be supporting leg, 17 be drive sprocket, 18 be reducing motor, 19 be girder, 20 be filter cloth faller, 21 be to connect liquid turnover panel, 22 be thrust platform, 23 be bracket base, 24 be baffle plate, 25 be intermediate noxzzle, 26 be spray boom, 27 be elbow nozzle, 28 be support of pipelines, 29 be washing hose, 30 be cleaning pipeline, 31 be support air cushion, 32 be girder supporting leg, 33 be pressure strip, 34 be roller.Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is illustrated.This filter press rapid cake discharge and cleaning filter cloth device are mainly used in quickly pulling open filter plates and to polylith filter plate in the filter plates pulled open while clean, and the low disadvantage of filter plate, efficiency present in the operation that block-by-block is cleaned is pulled open by plate pulling device block-by-block in the prior art so as to solve.The present apparatus includes support, filter plate part, rapid cake discharge part, filter cloth cleans part and connects liquid turnover panel part, support includes girder supporting leg 32, girder 19 is fixed with girder supporting leg 32, in the left side of girder 19, thrust plate 1 is provided with girder supporting leg 19, on the right side of girder 19, supporting leg 16 is provided with girder supporting leg 19, bracket base 23 is mounted with the top of thrust plate 19 and supporting leg 16, overarm brace 2 is connected with bracket base 23, what is installed on the top of overarm brace 2 is to belong to the spray boom crossbeam 9 that filter cloth cleans part.
Filter plates and filter plate drive part that the filter plate 6 that filter plate part includes more than two pieces is constituted, so-called filter plates refer to this group of filter plate under the driving of associated components, the filter cloth cleaning action for disposable tension can be achieved, compressing and perform correlation, all filter plates constitute a filter plates in the present embodiment, in order to control to be connected between the distance pulled open between adjacent filter plate, the filter plate 6 of filter plates with filter plate Board for adjusting vision distance 7.One end of filter plates is arranged on thrust plate 1, and filter plate drive part includes the pressure strip 33 for being arranged on the filter plates other end, and filter plate Board for adjusting vision distance 7 and spray boom Board for adjusting vision distance 3 are connected with pressure strip 33, the pressure strip
33 under drive disk assembly drive, can move along the direction of girder 19.The drive disk assembly includes reducing motor 18, the drive sprocket 17 of chain-drive mechanism is housed on the driving shaft of reducing motor 18, connecting plate 11 is fixed with the chain of chain-drive mechanism, the connecting plate 11 is fixed on 12 both sides of Shift cylinder seat, pressure strip 33 is also connected with Shift cylinder seat 12, and the drive sprocket 17 and driven sprocket of the chain-drive mechanism are behind girder 19.Filter plate drive part also includes filter plate positioning element, filter plate positioning element includes thrust platform 22 and the thrust pin 15 for being engaged, being inserted into thrust platform 22 with the shape of thrust platform 22, lifting hydraulic cylinder 13 is fixed on the lifting support 14 that 12 both sides of Shift cylinder seat are set, the piston rod connection thrust pin 15 of lifting hydraulic cylinder 13, thrust platform 22 is on girder 19.The present embodiment thrust pin 15 is n-type, and corresponding thrust platform 22 is 1 type thrust platform, and the thrust platform is welded on girder both sides.Roller 34 is additionally provided with the both sides of Shift cylinder seat 12, roller 34 can be rolled under the drive of pressure strip 33 along the track on girder 19.Filter plate positioning element also includes the location-plate 10 on pressure strip 33, and filter plate Board for adjusting vision distance 7 and spray boom Board for adjusting vision distance 3 are connected with the location-plate 10.
Rapid cake discharge part includes the filter cloth being arranged between adjacent filter plate, filter cloth is by filter cloth peg 5 in the filter cloth hanging groove 4 on spray boom 26, the lower end of filter cloth is provided with filter cloth faller 20, filter cloth faller 20 is the closed stainless steel tube in two ends, weight is housed in stainless steel tube, such as sand, can increase filter cloth faller 20 deadweight of itself, so as to increase its effect of vibration power.In order that the up-down vibration of spray boom 26, so that the filter cake formed in filter chamber be shaken, employs air-cushion type structure in the present embodiment, when air cushion is deflated, spray boom 26 is set to produce up-down vibration.Specially there is support air cushion 31 between overarm brace 2 and spray boom crossbeam 9, support air cushion 31 is located on bracket base 23, the material of support air cushion 31 is nitrile rubber.So, after filter plate is pulled open, by sticky larger, filter cake that is being difficult to fall shakes for the vibration of the spray boom 26 formed when being deflated by support air cushion 31.
Filter cloth cleaning part point includes that the spray boom 26 and the nozzle on spray boom 26 of height change can be realized relative to girder 19, spray boom is connected on the spray boom Board for adjusting vision distance 7 that control spray boom spaces out by spray boom bearing pin 8, spray boom Board for adjusting vision distance 7 is connected with the location-plate 10 on pressure strip 33, spray boom 26 is mounted between spray boom crossbeam 9, when spray boom crossbeam 9 vibrates under the effect of support air cushion 31, drive spray boom 26 to vibrate therewith, there is baffle plate 24 at the two ends of spray boom 26.It has been connected through a screw thread on spray boom 26 curved
Head nozzle 27 and intermediate noxzzle 25, elbow nozzle 27 and intermediate noxzzle 25 have jet hole, the jet hole is the flat camber of wedge angle, the material of spray boom 26 is square tube or pipe, material is stainless steel, spray boom 26 also has washing hose 29 in communication, the connection cleaning pipeline 30 of washing hose 29, pipeline 30 is cleaned on support of pipelines 28, so, sprayed after the cleaned pipeline 30 of water under high pressure, washing hose 29, spray boom 26 from nozzle, complete the high pressure washing to filter cloth.
The present apparatus connect liquid turnover panel part be located at filter cloth lower section, including connecing liquid turnover panel 21 and connecing liquid bath, liquid turnover panel is connect to rotate in the case where connecing the effect of liquid driving part, specifically when filtering and cleaning filter cloth, liquid turnover panel 21 is connect to merge, make the water security discharge of effusion and cleaning filter cloth, liquid turnover panel 21 is connect during cake discharge and opens removal filter cake.
When using, 1) when filter press charging completes to start cake discharge, under PLC program control, liquid turnover panel 21 is connect to open, reducing motor 18, which is rotated, drives Shift cylinder seat 12 and pressure strip 33 to return at the right-hand member final position of girder 19, filter plate Board for adjusting vision distance 7 and spray boom Board for adjusting vision distance 3 pull open filter cake to the spacing of filter plate cake discharge under the drive of pressure strip 33, the most of filter cake being hung vertically on filter cloth falls, the support air cushion 31 that spray boom crossbeam 9 is connected is deflated, the filter cake that minority is also hung on filter cloth all falls under the effect of vibration of filter cloth faller 20；2) after the completion of cake discharge, under PLC program control, connect liquid turnover panel 21 and merge, cleaning filter cloth operation starts, cleaning operation is carried out according to the scavenging period of setting, the polylith filter cloth between adjacent filter plate is cleaned by elbow nozzle 27 and intermediate noxzzle 25 simultaneously；3) after the completion of filter cloth cleaning, according to the control of program, Shift cylinder seat 12 and pressure strip 33 return to compacted position, thrust pin 15 is pushed at thrust platform 22 by lifting hydraulic cylinder 13, pressure strip 33 compresses filter plate, and feed pump starts charging, and a filtration cycle is completed.Certainly; described above not limitation of the present invention; the present invention is also not limited to the example above, and the variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the present invention fall within protection scope of the present invention.
Claims (1)
- Claim1. filter press rapid cake discharge and cleaning filter cloth device, part is cleaned including support, filter plate part, rapid cake discharge part and filter cloth, the support includes girder, the filter cloth cleaning part point includes that the spray boom of height change and the nozzle on spray boom can be realized relative to girder, it is characterised in that：The filter plate part includes being provided with filter plate Board for adjusting vision distance between the filter plates of more than two pieces filter plate compositions, the filter plate, and filter plates are pulled open and compressed under the drive of filter plate drive part；The rapid cake discharge part includes the filter cloth being arranged between adjacent filter plate, and filter cloth is by filter cloth peg on spray boom, and the lower end of the filter cloth is provided with filter cloth faller, and the filter cloth cleaning part also includes the spray boom Board for adjusting vision distance being arranged between spray boom.2. according to the filter press rapid cake discharge described in claim 1 and cleaning filter cloth device, it is characterised in that：The support also includes the thrust plate positioned at filter plates one end, the filter plate drive part includes the pressure strip positioned at the filter plates other end, the filter plate Board for adjusting vision distance and spray boom Board for adjusting vision distance are connected with pressure strip, and pressure strip is moved under drive disk assembly drive along girder direction.3. according to the filter press rapid cake discharge described in claim 2 and cleaning filter cloth device, it is characterized in that-the drive disk assembly includes reducing motor, the drive sprocket of chain-drive mechanism is housed in reducing motor output shaft, connecting plate is fixed with the chain of the chain-drive mechanism, the connecting plate is fixed on Shift cylinder seat, and the pressure strip is also connected with Shift cylinder seat.4. according to the filter press rapid cake discharge described in claim 3 and cleaning filter cloth device, it is characterised in that：The filter plate drive part also includes filter plate positioning element, the filter plate positioning element includes thrust platform and the thrust pin that can be inserted into thrust platform, lifting hydraulic cylinder is fixed on the lifting support that the Shift cylinder seat both sides are set, the piston rod of lifting hydraulic cylinder connects the thrust pin, and the thrust platform is on girder.5. according to the filter press rapid cake discharge described in claim 4 and cleaning filter cloth device, it is characterised in that：The filter plate positioning element also includes the location-plate on pressure strip, and the filter plate Board for adjusting vision distance and spray boom Board for adjusting vision distance are connected with the location-plate.6. according to the filter press rapid cake discharge described in claim 1 and cleaning filter cloth device, it is characterised in that： The filter cloth cleaning part also includes the spray boom crossbeam positioned at girder top, and the spray boom is on spray boom crossbeam, and provided with the support air cushion that spray boom is moved up and down is made between spray boom crossbeam and the support, spray boom is also connected with cleaning conduit component.7. according to the filter press rapid cake discharge described in claim 6 and cleaning filter cloth device, it is characterised in that：The nozzle includes elbow nozzle and intermediate noxzzle, is to be threadedly coupled between elbow nozzle and intermediate noxzzle and spray boom.8. according to the filter press rapid cake discharge described in claim 1 and cleaning filter cloth device, it is characterised in that：The spray boom is provided with filter cloth hanging groove, and the filter cloth peg is housed on filter cloth hanging groove, and the filter cloth faller is the closed stainless steel tube in two ends, and weight is housed in stainless steel tube.9. according to the filter press rapid cake discharge described in claim 1 and cleaning filter cloth device, it is characterised in that：The filter press rapid cake discharge and cleaning filter cloth device also include connecing liquid turnover panel part, and the liquid turnover panel part that connects is located at the lower section of filter cloth, including connects liquid turnover panel and connect liquid bath, and the liquid turnover panel that connects is rotated in the case where connecing the effect of liquid driving part.10. according to the filter press rapid cake discharge described in claim 1 and cleaning filter cloth device, it is characterised in that:The support also includes girder supporting leg, and girder is fixed with girder supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012800028186A CN103221107A (en) | 2011-10-10 | 2012-09-28 | Apparatus for rapid cake discharge and filter cloth cleaning of filter press |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304247.9 | 2011-10-10 | ||
| CN201110304247.9A CN102389659B (en) | 2011-10-10 | 2011-10-10 | Quick filter cake removing and filter cloth washing device for filter press |
| PCT/CN2012/001324 WO2013053200A1 (en) | 2011-10-10 | 2012-09-28 | Apparatus for rapid cake discharge and filter cloth cleaning of filter press |
| CN2012800028186A CN103221107A (en) | 2011-10-10 | 2012-09-28 | Apparatus for rapid cake discharge and filter cloth cleaning of filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103221107A true CN103221107A (en) | 2013-07-24 |
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ID=45857118
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110304247.9A Active CN102389659B (en) | 2011-10-10 | 2011-10-10 | Quick filter cake removing and filter cloth washing device for filter press |
| CN2012800028186A Pending CN103221107A (en) | 2011-10-10 | 2012-09-28 | Apparatus for rapid cake discharge and filter cloth cleaning of filter press |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110304247.9A Active CN102389659B (en) | 2011-10-10 | 2011-10-10 | Quick filter cake removing and filter cloth washing device for filter press |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102389659B (en) |
| WO (1) | WO2013053200A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624288A (en) * | 2019-11-11 | 2019-12-31 | 泉州绿拓智能环保设备有限公司 | Filter press capable of automatically cleaning filter residues and using method |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389659B (en) * | 2011-10-10 | 2014-03-26 | 山东景津环保设备有限公司 | Quick filter cake removing and filter cloth washing device for filter press |
| CN102743907A (en) * | 2012-08-01 | 2012-10-24 | 山东景津环保设备有限公司 | Discharge cake spacing plate device of filter plate |
| CN103111105B (en) * | 2013-02-26 | 2015-03-25 | 景津环保股份有限公司 | Framework-type thrust plate of filter press |
| CN106267940B (en) * | 2016-08-18 | 2018-05-04 | 泉州永春中大机械技术有限公司 | A kind of plate filter with cleaning function |
| CN106110749A (en) * | 2016-08-26 | 2016-11-16 | 北京中水长固液分离技术有限公司 | A kind of defecator with self-removing function |
| CN106345157B (en) * | 2016-10-08 | 2018-09-28 | 浙江精功环境技术有限公司 | A kind of garbage-compressing liquid filter |
| CN106563301B (en) * | 2016-10-20 | 2019-03-29 | 广西金邦泰科技有限公司 | A kind of two pass easy cleaning filter press |
| CN115253407B (en) * | 2022-07-22 | 2024-04-16 | 穆海龙 | Preparation system of high-purity fire retardant magnesium hydroxide |
| CN116351118B (en) * | 2023-04-28 | 2023-10-13 | 江苏普利斯环保科技有限公司 | Plate-and-frame filter press with self-cleaning function and use method |
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- 2011-10-10 CN CN201110304247.9A patent/CN102389659B/en active Active
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- 2012-09-28 WO PCT/CN2012/001324 patent/WO2013053200A1/en active Application Filing
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| CN110624288A (en) * | 2019-11-11 | 2019-12-31 | 泉州绿拓智能环保设备有限公司 | Filter press capable of automatically cleaning filter residues and using method |
| CN110624288B (en) * | 2019-11-11 | 2023-05-16 | 泉州绿拓智能环保设备有限公司 | Filter press capable of automatically cleaning filter residues and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013053200A1 (en) | 2013-04-18 |
| CN102389659A (en) | 2012-03-28 |
| CN102389659B (en) | 2014-03-26 |
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Application publication date: 20130724 |