CN113069820B - Multi-disc filtering device for papermaking - Google Patents
Multi-disc filtering device for papermaking Download PDFInfo
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- CN113069820B CN113069820B CN202110366448.5A CN202110366448A CN113069820B CN 113069820 B CN113069820 B CN 113069820B CN 202110366448 A CN202110366448 A CN 202110366448A CN 113069820 B CN113069820 B CN 113069820B
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- disc
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- comb teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D33/23—Construction of discs or component sectors thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Paper (AREA)
Abstract
The invention provides a multi-disc filter device for papermaking, which aims at the defect of lower efficiency of a multi-disc filter in the prior art, and belongs to the technical field of papermaking equipment, wherein the multi-disc filter device comprises a water tank, a hollow rotating shaft is arranged on the water tank, a plurality of filter discs are arranged on the rotating shaft, each filter disc comprises a plurality of fan-shaped filter plates distributed around the rotating shaft, each fan-shaped filter plate comprises a base and a plate body with a hollow structure, a screen is arranged on one side surface of each plate body, a row of convex blocks are fixedly arranged on the side surface of each fan-shaped filter plate, which is provided with the screen, and the fan-shaped filter plates are inclined towards the side surface, which is not provided with the screen, from one side provided with the convex blocks to the other side; one side of filtering the disc and being equipped with the screen cloth is equipped with the collection and fights, collects and fights and be equipped with the collection mouth towards one side of filtering the disc, collects mouthful position and is equipped with the scraper comb, collects and fights the lower extreme and is connected with screw conveyer. The device can be difficult for dropping from filtering the disc with the plant fiber that filters the production, can in time collect plant fiber, can effectively promote filtration efficiency.
Description
Technical Field
The invention belongs to the technical field of papermaking equipment, and particularly relates to a multi-disc filtering device for papermaking.
Background
The multi-disc filter is a common production device in the papermaking process, and can effectively recover plant fibers in sewage. Present many disc filters middle part filters the disc, and the vegetable fibre who filters the production can adsorb on filtering the disc, filters the disc and rotates the in-process, and more vegetable fibre can drop back basin in, is difficult to retrieve the vegetable fibre fast, and the vegetable fibre who falls into in the basin can adsorb once more on filtering the disc, influences the filtration efficiency who filters the disc.
Disclosure of Invention
Aiming at the defect of low efficiency of a multi-disc filter in the prior art, the invention provides the multi-disc filtering device for papermaking, which can prevent plant fibers generated by filtering from falling off from a filtering disc easily, can collect the plant fibers in time and can effectively improve the filtering efficiency.
The invention aims to be realized by the following technical scheme: a multi-disc filter device for papermaking comprises a water tank and a support frame for supporting the water tank, wherein a rotary shaft which is transversely arranged and has a hollow structure only capable of rotating is arranged on the water tank, a plurality of filter discs are vertically and fixedly arranged on the rotary shaft, the filtering disc comprises a plurality of fan-shaped filtering plates which are distributed in a circumferential array around the rotating shaft, a motor for driving the rotating shaft to rotate is fixedly arranged on the supporting frame, the fan-shaped filter plate comprises a base and a plate body with a hollow structure, wherein a screen is fixedly arranged on one side surface of the plate body, the plate body is fixed on the base, the lower end of the plate body is fixedly connected with the base, the lower end of the base is provided with a water outlet which is respectively communicated with the inner cavity of the plate body and the inner cavity of the rotating shaft, the side edge of the side surface of the fan-shaped filter plate, which is provided with the screen, is fixedly provided with a row of convex blocks arranged along the side edge of the fan-shaped filter plate, a space is arranged between every two adjacent convex blocks, the fan-shaped filter plate inclines towards the side surface without the screen from one side provided with the convex block to the other side; the device comprises a filter disc, a filter screen, a filter disc, a plurality of mounting strips, a plurality of elastic comb teeth and a plurality of elastic comb teeth, wherein the filter disc is provided with a screen mesh, one side of the filter disc, which is provided with a collecting hopper, one side of the collecting hopper, which faces the filter disc, is provided with a collecting port, the collecting port is provided with a scraping comb matched with a lug, the scraping comb comprises the mounting strip fixedly connected with the collecting hopper, the mounting strip is vertically intersected with the central line of the filter disc, the mounting strip is obliquely arranged relative to a horizontal plane, one side of the mounting strip, which faces the filter disc, is provided with a plurality of elastic comb teeth for scraping plant fibers on the screen mesh, the elastic comb teeth are of a sheet structure, the elastic comb teeth are arranged along the length direction of the mounting strip, intervals are reserved between adjacent elastic comb teeth, and when the lug passes through the scraping comb teeth; the lower end of the collecting hopper is connected with a spiral conveyor positioned below the water tank; one side of the filtering disc, which is provided with the screen, is also provided with a pulp flushing sprayer which is positioned above the scraping comb and in the collecting hopper.
In the above-mentioned scheme, the fan-shaped filter that the slope set up can adsorb more plant fiber, the setting of lug, also can play certain supporting role for plant fiber on the fan-shaped filter, make plant fiber be difficult for following the fan-shaped filter landing, when piling up the fan-shaped filter that has plant fiber along with the rotation to collecting the mouth position of filter disc, most can be scraped by the elasticity broach to collect in fighting in the plant fiber through the elasticity broach, thereby can in time collect plant fiber, later wash the plant fiber that is not scraped through the sluicing shower nozzle again, further collect plant fiber. Reduce the plant fiber that repeatedly falls into in the basin to can effectively promote the filtration efficiency of filtering the disc.
Preferably, two sides of each elastic comb tooth are respectively provided with a clamping plate for clamping the elastic comb tooth, the clamping plates are fixed on the mounting strip, the end part of each elastic comb tooth facing the filter disc is protruded relative to the clamping plates, and the length of the protruded part is not less than 10 mm. The splint can fix and support the elasticity broach, makes the elasticity broach have good scraping effect.
Preferably, a bolt for adjusting the distance between the two clamping plates is arranged between the two clamping plates, and the bolt penetrates through one clamping plate and is in threaded connection with the other clamping plate. The clamping plate can be controlled to clamp the elastic comb teeth by rotating the bolt, which is very convenient.
Preferably, the lugs on the fan-shaped filter plate are distributed at equal intervals, the distance between every two adjacent lugs is 5-20mm, and granular bulges are distributed on the surfaces of the lugs. The arrangement of the granular protrusions enables the plant fibers to be more easily adsorbed and stacked on the bumps.
Preferably, one side of the filtering disc, which is provided with the screen, is also provided with a net washing spray head, and the net washing spray head is positioned outside the collecting hopper. A small amount of plant fibers still remain after the filtering disc passes through the collecting hopper, and the net washing spray head can further wash the filtering disc, so that the filtering disc keeps good filtering performance.
Preferably, the rotating shaft is connected with a negative pressure device which enables the inner cavity of the rotating shaft to generate negative pressure. The filtering performance of the filter disc can be improved by generating negative pressure.
Preferably, the negative pressure device comprises a connecting pipe, a rotating shaft is sleeved in the connecting pipe and can only rotate in the connecting pipe, and a negative pressure water pump is fixedly arranged in the connecting pipe.
Preferably, the part of the connecting pipe sleeved with the rotating shaft is fixedly provided with a sealing ring, the connecting pipe is internally provided with an annular groove matched with the sealing ring, the sealing ring is sleeved in the annular groove, and the sealing ring can only rotate along with the rotating shaft in the annular groove.
Preferably, the cross sections of the sealing ring and the circular ring groove are both semicircular structures.
Compared with the prior art, the invention has the following beneficial effects: the fan-shaped filter plate is easier to accumulate plant fibers, the plant fibers generated by filtering can be timely collected into the collecting hopper through the scraping comb, the filter disc can keep good filtering performance, and therefore the filtering efficiency can be effectively improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of a sector filter plate;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the collection hopper mounted in a sink position;
FIG. 5 is a schematic view of a connection structure of the shaft and the connection tube;
FIG. 6 is a perspective view of a scraper comb;
the mark in the figure is: 1. the water tank, 2, a support frame, 3, a hollow rotating shaft, 4, a filtering disc, 5, a motor, 6, a fan-shaped filtering plate, 7, a base, 8, a plate body, 9, a screen mesh, 10, a water outlet, 11, a bump, 12, a protrusion, 13, a collecting hopper, 14, a collecting port, 15, a scraping comb, 16, a mounting strip, 17, elastic comb teeth, 18, a clamping plate, 19, a bolt, 20, a spiral conveyer, 21, a pulp flushing sprayer, 22, a net washing sprayer, 23, a negative pressure device, 24, a connecting pipe, 25, a negative pressure water pump, 26, a sealing ring, 27 and a circular groove.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which:
example 1
As shown in fig. 1-6, a multi-disc filtering device for papermaking comprises a water tank 1 and a supporting frame 2 for supporting the water tank 1, wherein a rotating shaft 3 of a hollow structure which is transversely arranged and can only rotate is installed on the water tank 1, a plurality of filtering discs 4 are vertically and fixedly arranged on the rotating shaft 3, the filtering discs 4 comprise a plurality of sector filtering plates 6 which are distributed in a circumferential array manner around the rotating shaft 3, a motor 5 for driving the rotating shaft 3 to rotate is fixedly arranged on the supporting frame 2, each sector filtering plate 6 comprises a base 7 and a plate body 8 of a hollow structure, a screen 9 is fixedly arranged on one side surface of each plate body 8, the lower end of each plate body 8 is fixedly connected with the base 7, a water outlet 10 which is respectively communicated with the inner cavity of each plate body 8 and the inner cavity of the rotating shaft 3 is arranged at the lower end of the base 7, a row of convex blocks 11 which are arranged along the side edge of each sector filtering plate 6 is fixedly arranged on the side surface of each sector filtering plate 6 on which the side surface provided with the screen 9, an interval is arranged between the adjacent convex blocks 11, and the fan-shaped filter plates 6 incline towards the side surface without the screen 9 from one side provided with the convex blocks 11 to the other side; the lugs 11 on the fan-shaped filter plate 6 are distributed at equal intervals, the distance between every two adjacent lugs 11 is 5-20mm, and granular protrusions 12 are distributed on the surfaces of the lugs 11.
One side of being equipped with screen cloth 9 on filtering disc 4 is equipped with collection fill 13, and collection fill 13 is equipped with collection mouth 14 towards one side of filtering disc 4, collection mouth 14 position is equipped with scrapes material comb 15 with lug 11 cooperation use, scrape material comb 15 include with collection fill 13 fixed connection's mounting bar 16, mounting bar 16 with the central line of filtering disc 4 intersects perpendicularly, mounting bar 16 sets up for the horizontal plane slope, and one side of mounting bar 16 towards filtering disc 4 is equipped with a plurality of elastic comb teeth 17 that are used for scraping the plant fibre on the screen cloth 9, and elastic comb tooth 17 is the sheet structure, elastic comb tooth 17 sets up along mounting bar 16 length direction, leaves the interval between the adjacent elastic comb tooth 17, works as lug 11 is when scraping material comb 15, lug 11 passes the interval between the elastic comb tooth 17. Two sides of each elastic comb tooth 17 are respectively provided with a clamping plate 18 for clamping the elastic comb tooth 17, the clamping plates 18 are fixed on the mounting strips 16, the end part of each elastic comb tooth 17 facing the filter disc 4 is protruded relative to the clamping plates 18, and the length of the protruded part is not less than 10 mm. A bolt 19 for adjusting the distance between the two clamping plates 18 is arranged between the two clamping plates 18, and the bolt 19 penetrates through one clamping plate 18 and is in threaded connection with the other clamping plate 18.
The lower end of the collecting hopper 13 is connected with a screw conveyor 20 positioned below the water tank 1; the side of the filtering disk 4 provided with the screen 9 is also provided with a pulp flushing nozzle 21 which is positioned above the scraping comb 15 and in the collecting hopper 13. One side of the filtering disc 4, which is provided with the screen 9, is also provided with a net washing spray head 22, and the net washing spray head 22 is positioned outside the collecting hopper 13.
And the rotating shaft 3 is connected with a negative pressure device 23 which enables the inner cavity of the rotating shaft 3 to generate negative pressure. The negative pressure device 23 comprises a connecting pipe 24, a rotating shaft 3 is sleeved at one end of the connecting pipe 24 and can only rotate in the connecting pipe 24, and a negative pressure water pump 25 is fixedly arranged in the connecting pipe 24. The part of the rotating shaft 3, which is sleeved into the connecting pipe 24, is fixedly provided with a sealing ring 26, the connecting pipe 24 is internally provided with an annular groove 27 matched with the sealing ring 26, the sealing ring 26 is sleeved in the annular groove 27, and the sealing ring 26 can only rotate along with the rotating shaft 3 in the annular groove 27. The cross sections of the sealing ring 26 and the circular ring groove 27 are both semicircular structures.
When the filter is in operation, the negative pressure device 23 enables the inner cavity of the rotating shaft 3 to generate negative pressure, under the action of the negative pressure, water in the water tank 1 can more easily penetrate through the screen 9 on the fan-shaped filter plate 6 to enter the rotating shaft 3, so that the filtering performance can be improved, plant fibers generated by filtering can be adsorbed and accumulated on the fan-shaped filter plate 6 under the blocking of the screen 9, the fan-shaped filter plate 6 is arranged in an inclined mode, more plant fibers can be adsorbed and accumulated on the fan-shaped filter plate 6 by matching with the lug 11, and when the motor 5 drives the circular filter plate to rotate through the rotating shaft 3, the plant fibers are not easy to fall off from the fan-shaped filter plate 6. When adsorbing that there is vegetable fibre's fan-shaped filter 6 to rotate to the collection mouth 14 position of collecting fill 13, elasticity broach 17 can scrape most vegetable fibre on fan-shaped filter 6 and fall to collecting and fight 13 in, and elasticity broach 17 can follow the interval process between lug 11, can not produce the collision with lug 11, and the sluicing shower nozzle 21 can wash to collecting and fight 13 in to the vegetable fibre that is not scraped, in the bolt 19 conveyer of fighting 13 below in time collects vegetable fibre through the collection. A small amount of plant fibers still remain after the filter disc 4 passes through the collecting hopper 13, and the net washing nozzle 22 can further wash the filter disc 4, so that the filter disc 4 keeps good filtering performance.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. A multi-disc filter device for papermaking comprises a water tank and a support frame for supporting the water tank, wherein a rotary shaft of a hollow structure which is transversely arranged and can only rotate is installed on the water tank, a plurality of filter discs are vertically and fixedly arranged on the rotary shaft, each filter disc comprises a plurality of fan-shaped filter plates which are distributed in a circumferential array manner around the rotary shaft, and a motor for driving the rotary shaft to rotate is fixedly arranged on the support frame, the multi-disc filter device is characterized in that each fan-shaped filter plate comprises a base and a plate body of a hollow structure, a screen is fixedly arranged on one side surface of the plate body, the lower end of the plate body is fixedly connected with the base, a water outlet which is respectively communicated with the inner cavity of the plate body and the inner cavity of the rotary shaft is arranged at the lower end of the base, a row of convex blocks which are arranged along the side surface of each fan-shaped filter plate is fixedly arranged on the side surface of the side surface provided with the screen, the convex blocks on the fan-shaped filter plates are distributed at equal intervals, and the distance between the adjacent convex blocks is 5-20mm, granular protrusions are distributed on the surface of the bump; the fan-shaped filter plate inclines towards the side surface without the screen from one side provided with the convex block to the other side; the device comprises a filter disc, a filter screen, a filter disc, a plurality of mounting strips, a plurality of elastic comb teeth and a plurality of elastic comb teeth, wherein the filter disc is provided with a screen mesh, one side of the filter disc, which is provided with a collecting hopper, one side of the collecting hopper, which faces the filter disc, is provided with a collecting port, the collecting port is provided with a scraping comb matched with a lug, the scraping comb comprises the mounting strip fixedly connected with the collecting hopper, the mounting strip is vertically intersected with the central line of the filter disc, the mounting strip is obliquely arranged relative to a horizontal plane, one side of the mounting strip, which faces the filter disc, is provided with a plurality of elastic comb teeth for scraping plant fibers on the screen mesh, the elastic comb teeth are of a sheet structure, the elastic comb teeth are arranged along the length direction of the mounting strip, intervals are reserved between adjacent elastic comb teeth, and when the lug passes through the scraping comb teeth; the lower end of the collecting hopper is connected with a spiral conveyor positioned below the water tank;
one side of the filtering disc, which is provided with the screen, is also provided with a pulp flushing sprayer which is positioned above the scraping comb and in the collecting hopper.
2. The multi-disk filter device for papermaking as claimed in claim 1, wherein each of said elastic comb teeth is provided at both sides thereof with a clamping plate for clamping the elastic comb teeth, the clamping plate being fixed to said mounting bar, the end of said elastic comb teeth facing the filter disk being protruded with respect to the clamping plate, and the length of the protruded portion being not less than 10 mm.
3. The multi-disc filter device for papermaking according to claim 2, wherein a bolt for adjusting the distance between the two clamp plates is provided between the two clamp plates, and the bolt passes through one of the clamp plates and is threadedly engaged with the other clamp plate.
4. The multi-disc filter apparatus for papermaking according to claim 1, wherein the side of the filter disc provided with the screen cloth is further provided with a net washing nozzle, and the net washing nozzle is located outside the collection hopper.
5. The papermaking multi-disc filter device as set forth in claim 1, wherein the rotary shaft is connected with a negative pressure device for generating a negative pressure in the inner cavity of the rotary shaft.
6. The multi-disc filtering device for papermaking according to claim 5, wherein the negative pressure device comprises a connecting pipe, a rotating shaft is sleeved in the connecting pipe and can only rotate in the connecting pipe, and a negative pressure water pump is fixedly arranged in the connecting pipe.
7. The multi-disc filtering device for papermaking according to claim 6, wherein the portion of the rotating shaft sleeved into the connecting pipe is fixedly provided with a sealing ring, the connecting pipe is internally provided with an annular groove matched with the sealing ring, the sealing ring is sleeved in the annular groove, and the sealing ring can only rotate along with the rotating shaft in the annular groove.
8. The papermaking multi-disc filter apparatus as set forth in claim 7, wherein said seal ring and said annular groove are both semi-circular in cross-section.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110366448.5A CN113069820B (en) | 2021-04-06 | 2021-04-06 | Multi-disc filtering device for papermaking |
| CN202210317994.4A CN114618223B (en) | 2021-04-06 | 2021-04-06 | High-efficient filter equipment is used in papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110366448.5A CN113069820B (en) | 2021-04-06 | 2021-04-06 | Multi-disc filtering device for papermaking |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210317994.4A Division CN114618223B (en) | 2021-04-06 | 2021-04-06 | High-efficient filter equipment is used in papermaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113069820A CN113069820A (en) | 2021-07-06 |
| CN113069820B true CN113069820B (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210317994.4A Active CN114618223B (en) | 2021-04-06 | 2021-04-06 | High-efficient filter equipment is used in papermaking |
| CN202110366448.5A Active CN113069820B (en) | 2021-04-06 | 2021-04-06 | Multi-disc filtering device for papermaking |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210317994.4A Active CN114618223B (en) | 2021-04-06 | 2021-04-06 | High-efficient filter equipment is used in papermaking |
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| CN (2) | CN114618223B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146477A (en) * | 2021-11-30 | 2022-03-08 | 甘肃银光化学工业集团有限公司 | Explosive horizontal disc filter device |
| CN115944972B (en) * | 2023-03-14 | 2023-06-02 | 隆化县新村矿业有限公司 | Disc type filter device for producing phosphorus fine powder and filter process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2544784Y (en) * | 2002-04-30 | 2003-04-16 | 董喜民 | Sector filter plate |
| WO2013020378A1 (en) * | 2011-08-09 | 2013-02-14 | Li Chunou | Flabellate plate for spiral ore-dressing chute |
| CN107497163A (en) * | 2017-10-12 | 2017-12-22 | 浙江恒泰过滤设备有限公司 | More disk filters are without mesh bag undaform fanning strip |
| CN210874525U (en) * | 2019-07-12 | 2020-06-30 | 张俊 | Weaving machine weaving dirt collection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0823142B1 (en) * | 2008-10-30 | 2018-10-30 | Gaudfrin | pressure filtration device. |
| JP2019115875A (en) * | 2017-12-26 | 2019-07-18 | 加藤鉄工株式会社 | Clogging prevention device of strainer in separator |
| CN209005369U (en) * | 2018-09-26 | 2019-06-21 | 中国黄金集团石湖矿业有限公司 | A kind of gold mine dedicated ceramic filter |
| CN111974069B (en) * | 2020-07-28 | 2021-11-26 | 安徽新育轩环保科技有限公司 | Rotary disc filtering device |
| CN214680441U (en) * | 2021-04-06 | 2021-11-12 | 浙江金通纸业有限公司 | Multi-disc filtering device for papermaking |
-
2021
- 2021-04-06 CN CN202210317994.4A patent/CN114618223B/en active Active
- 2021-04-06 CN CN202110366448.5A patent/CN113069820B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2544784Y (en) * | 2002-04-30 | 2003-04-16 | 董喜民 | Sector filter plate |
| WO2013020378A1 (en) * | 2011-08-09 | 2013-02-14 | Li Chunou | Flabellate plate for spiral ore-dressing chute |
| CN107497163A (en) * | 2017-10-12 | 2017-12-22 | 浙江恒泰过滤设备有限公司 | More disk filters are without mesh bag undaform fanning strip |
| CN210874525U (en) * | 2019-07-12 | 2020-06-30 | 张俊 | Weaving machine weaving dirt collection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114618223B (en) | 2024-06-25 |
| CN114618223A (en) | 2022-06-14 |
| CN113069820A (en) | 2021-07-06 |
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