CN116422035A - Multistage filtering device for grinding aid production - Google Patents
Multistage filtering device for grinding aid production Download PDFInfo
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- CN116422035A CN116422035A CN202310152541.5A CN202310152541A CN116422035A CN 116422035 A CN116422035 A CN 116422035A CN 202310152541 A CN202310152541 A CN 202310152541A CN 116422035 A CN116422035 A CN 116422035A
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- movable plates
- plates
- sealing
- movable
- grinding aid
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- 238000000227 grinding Methods 0.000 title claims abstract description 37
- 238000001914 filtration Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 46
- 238000004062 sedimentation Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses a multistage filtering device for grinding aid production, which comprises a shell, wherein a feed inlet and a discharge outlet are formed in the shell, a plurality of filter cartridges are sequentially distributed at intervals from inside to outside in the shell, and meshes of the filter cartridges are sequentially reduced from inside to outside; the inside of the innermost filter cartridge and the position between the adjacent filter cartridges are both provided with movable plates, the outer edges of the movable plates are both provided with cleaning blocks which are contacted with the inner surfaces of the filter cartridges, the adjacent movable plates are in adsorption linkage through magnetic attraction pieces arranged at the edge positions of the movable plates, one movable plate is connected with a driving piece and used for driving all the movable plates and the cleaning blocks to synchronously move along the inner surfaces of the filter cartridges, and the cleaning of insoluble impurities on the inner surfaces of the filter cartridges is realized. The multistage filtering device can synchronously clean the multistage filter cylinder, ensures the high efficiency of filtering for a long time, can realize the cleaning without stopping and dismantling, and is quite convenient.
Description
Technical Field
The invention relates to the technical field of grinding aid production equipment, in particular to a multistage filtering device for grinding aid production.
Background
The grinding aid is an additive for improving grinding efficiency, and is divided into two types, namely liquid and solid, wherein the liquid grinding aid is most applied to cement production, and can improve grinding efficiency and reduce power consumption of grinding operation. The liquid grinding aid has more insoluble matters and precipitates in the production process, and is usually filtered by a multi-stage filtering device, so that the production quality of the grinding aid is improved. For example, a multistage filtration device for producing a liquid cement grinding aid disclosed in patent document publication No. CN215276085U adopts an integrated structure, and a multistage filtration device for producing a liquid cement grinding aid disclosed in patent document publication No. CN103111119a adopts a split structure.
These prior art multiple stage filtration devices all suffer from a drawback of: many grinding aids have more insoluble impurities due to raw material quality problems, process precision problems or long-term stacking, and frequently cause filter screen blockage during filtration, so that the filter screen needs to be cleaned frequently, and when the filter screen is cleaned, the filter operation needs to be stopped, the filter screen needs to be removed firstly during the cleaning process, then cleaned, and finally the filter screen is reinstalled, which is quite troublesome.
Disclosure of Invention
The invention aims to provide a multistage filtering device for grinding aid production, which solves the defects that the prior multistage filtering device for grinding aid production needs to be shut down for cleaning when a filter screen is cleaned, and the cleaning operation is very troublesome.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a grinding aid production is with multistage filter equipment, includes the casing, be equipped with feed inlet and discharge gate on the casing, be equipped with a plurality of cartridge filters of from inside to outside interval distribution in proper order in the casing, and from inside to outside the mesh of cartridge filter reduces in proper order, the inboard space intercommunication of feed inlet and the inboard cartridge filter, the discharge gate communicates with the outside space of the outside cartridge filter;
the inside of the innermost filter cartridge and the position between the adjacent filter cartridges are both provided with movable plates, the outer edges of the movable plates are both provided with cleaning blocks which are contacted with the inner side surfaces of the filter cartridges, the adjacent movable plates are in adsorption linkage through magnetic attraction pieces arranged at the edge positions of the movable plates, one movable plate is connected with a driving piece and used for driving all the movable plates and the cleaning blocks to synchronously move along the inner side surfaces of the filter cartridges, and the cleaning of insoluble impurities on the inner side surfaces of the filter cartridges is realized.
The further improvement is that the movable plate is transversely intercepted, the inner movable plate of the innermost filter cartridge is disc-shaped, and the movable plates between adjacent filter cartridges are annular.
The further improvement is that the outer side edges of the movable plates are respectively provided with an elastomer, and the cleaning blocks are arranged on the elastomer and are in extrusion contact with the inner side surface of the filter cartridge through the elastic action of the elastomer.
The driving piece comprises a motor arranged outside the shell, a friction driving wheel arranged at the output end of the motor, and a transmission rod connected with one of the movable plates, wherein the transmission rod extends to the outside of the shell and is in contact with the friction driving wheel.
The bottom of the filter cartridge comprises a section of sealing cylinder without a filtering hole, the movable plates are provided with a plurality of circulating holes with one-way valves, the one-way valves only allow grinding aid to pass through the movable plates from top to bottom, the bottom surface of one movable plate is connected with a push rod through an elastic hinge, the push rod can rotate between a state of being flush with the bottom surface of the movable plate and a vertically downward state, the push rod can keep the vertically downward state under the elastic action of the elastic hinge when the push rod is not subjected to external force, the bottom of the shell is connected with a settling tank for containing water, the connecting position is of an intercommunicating open structure, the settling tank is internally provided with a mounting table, the top of the mounting table is supported by a sealing plate through a spring piece, the sealing plate seals the open structure under the action of the spring piece, a limiting hole which penetrates from top to bottom is arranged on the sealing plate under the push rod, the top of the mounting table is connected with a push rod, the top of the push rod is an inclined plane, and the top of the push rod movably seals and stretches into the limiting hole;
when the driving piece drives all the movable plates to move upwards, the circulation holes are opened, and insoluble impurities cleaned in the space above the movable plates enter the space below the movable plates from the circulation holes until the movable plates reach the top-most position; when the driving piece drives all movable plates to move downwards, the circulation holes are closed, the movable plates push the insoluble impurities under cleaning to move downwards, after the movable plates are contacted with the sealing cylinders, the movable plates seal the open structure, the push rods are abutted against the top opening positions of the limiting holes and gradually push the sealing plates downwards, so that the sealing plates are separated from the open structure, water in the settling tank is filled into gaps between the sealing plates and the movable plates, the cleaned insoluble impurities are dispersed, the push rods continuously push the sealing plates downwards, the spring pieces are compressed until the movable plates reach the lowest end positions, at the moment, the push rods extend out of the limiting holes and deflect the push rods through the action of the inclined planes, the sealing plates are pushed upwards under the elastic action of the spring pieces, the push rods are enabled to rotate to be flush with the bottom surfaces of the movable plates, the sealing plates are folded fast with the movable plates, the sealing plates of the open structure are sealed, the water and the insoluble impurities in the gaps between the sealing plates are extruded fast, and the insoluble impurities are settled in the settling tank after extrusion.
The further improvement is that the movable plate connected with the driving piece and the movable plate connected with the push rod are the same movable plate.
The further improvement is that the free end of the push rod is provided with a roller, and the diameter of the roller is larger than that of the limiting hole.
The invention has the beneficial effects that:
(1) The multistage filtering device can synchronously clean the multistage filtering cylinder, ensures the high efficiency of filtering for a long time, can realize the cleaning without stopping and dismantling, and is very convenient;
(2) The multistage filtering device only adopts one driving piece, can realize the cleaning process and the discharging and collecting process of insoluble impurities after cleaning, has high degree of automation, is convenient for unified control and has good stability.
Drawings
FIG. 1 is a schematic vertical cross-sectional view of a multistage filtration device for grinding aid production when an open structure is plugged by a sealing plate;
FIG. 2 is a schematic cross-sectional view of a multistage filtration device for grinding aid production;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic vertical cross-section of a multistage filtration device for grinding aid production when an open structure is plugged by a movable plate;
FIG. 5 is an enlarged view of portion B of FIG. 4;
in the figure: 1. a housing; 2. a feed inlet; 3. a discharge port; 4. a filter cartridge; 401. a sealing cylinder; 5. a movable plate; 501. cleaning the block; 502. a magnetic attraction piece; 503. an elastomer; 504. a flow hole; 505. a push rod; 506. a roller; 6. a motor; 7. friction drive wheel; 8. a transmission rod; 9. a sedimentation tank; 10. a mounting table; 11. a spring member; 12. a sealing plate; 121. a limiting hole; 13. and (5) a push rod.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
1-5, a multistage filtering device for grinding aid production comprises a shell 1, wherein a feed inlet 2 and a discharge outlet 3 are formed in the shell 1, a plurality of filter cartridges 4 are sequentially arranged in the shell 1 at intervals from inside to outside, meshes of the filter cartridges 4 are sequentially reduced from inside to outside, the feed inlet 2 is communicated with the inner side space of the innermost filter cartridge 4, the discharge outlet 3 is communicated with the outer side space of the outermost filter cartridge 4, liquid grinding aid enters the inner side space of the innermost filter cartridge 4 through the feed inlet 2, filtration of the multistage filter cartridges 4 is sequentially achieved from inside to outside, insoluble impurities with different particle sizes are filtered, the filtered insoluble impurities are adhered to the inner side surface of the filter cartridge 4 or between adjacent filter cartridges 4, and the filtered grinding aid is discharged from the discharge outlet 3;
the inboard of inboard cartridge filter 4 and the position between the adjacent cartridge filter 4 all are equipped with fly leaf 5, fly leaf 5 is horizontal interception setting, and inboard fly leaf 5 of inboard cartridge filter 4 is the disc, fly leaf 5 between the adjacent cartridge filter 4 is the ring shape, the outside edge of fly leaf 5 all is equipped with the washing piece 501 that contacts with the inboard surface of cartridge filter 4, adsorb the linkage through the magnetism that absorbs piece 502 that sets up in fly leaf 5 border position between the adjacent fly leaf 5, the cooperation structure of magnet ring and iron ring is inhaled to magnetism, one of them fly leaf 5 is connected with the driving piece, the periodic interval work of driving piece is used for drive all fly leaf 5 and washing piece 501 and follow the inboard surface synchronous movement of cartridge filter 4, realize the clearance to the insoluble impurity of cartridge filter 4 inboard surface, avoid cartridge filter 4 to block up, and need not to shut down when the clearance, need not artifical the participation, it is very convenient.
In the present invention, preferably, the outer edges of the movable plate 5 are provided with the elastic body 503, the elastic body 503 may be elastic rubber, etc., and the cleaning block 501 is mounted on the elastic body 503 and is in pressing contact with the inner surface of the filter cartridge 4 by the elastic action of the elastic body 503, thereby improving the cleaning effect.
In the present invention, the driving member preferably includes a motor 6 provided outside the housing 1, a friction driving wheel 7 provided at an output end of the motor 6, and a transmission rod 8 connected to one of the movable plates 5, the transmission rod 8 extending outside the housing 1 and contacting the friction driving wheel 7.
In the invention, preferably, the bottom of the filter cartridge 4 comprises a section of sealing cylinder 401 without a filter hole, the movable plate 5 is provided with a plurality of circulation holes 504 with check valves (such as ball valves), the check valves only allow grinding aid to pass through the movable plate 5 from top to bottom, the bottom surface of one movable plate 5 is connected with a push rod 505 through an elastic hinge, the push rod 505 can rotate between a state of being flush with the bottom surface of the movable plate 5 and a vertically downward state, and keeps the vertically downward state under the elastic action of the elastic hinge when no external force exists, the bottom of the shell 1 is connected with a sedimentation tank 9 for containing water, the connection position is of an intercommunicating open structure, the sedimentation tank 9 is internally provided with an installation table 10, the top of the installation table 10 is supported with a sealing plate 12 through a spring element 11, the opening structure is blocked by the sealing plate 12 under the action of the spring element 11, a limit hole 121 which penetrates from top to bottom is arranged on the sealing plate 12, the top of the installation table 10 is connected with a push rod 13, the top of the push rod 13 is an inclined plane, and the top of the push rod 13 is movably sealed and stretches into the limit hole 121;
when the driving piece drives all the movable plates 5 to move upwards, the circulation holes 504 are opened, insoluble impurities cleaned in the space above the movable plates 5 enter the space below the movable plates 5 from the circulation holes 504, and grinding aid can enter the space below the movable plates from the side through the circulation holes 504 or the cylinder surface of the filter cylinder 4 until the movable plates 5 reach the top-most position, so that the filtering process is not influenced; when the driving member drives all movable plates 5 to move downwards, the circulation holes 504 are closed, grinding aid enters the upper space from the side through the cylindrical surface of the filter cylinder 4, the progress of filtration is not affected, the movable plates 5 push the cleaned insoluble impurities to move downwards, after the movable plates 5 are contacted with the sealing cylinders 401, the movable plates 5 block the open structure, the push rods 505 are abutted against the top opening positions of the limiting holes 121 and gradually push the sealing plates 12 downwards, so that the sealing plates 12 are separated from the open structure, water in the sedimentation tank 9 is poured into the gap between the sealing plates 12 and the movable plates 5 (at the moment, most of the water in the gap is insoluble impurities, and a small amount of unavoidable grinding aid), the cleaned insoluble impurities are dispersed (refer to the state of fig. 4), the push rods 505 continue to push the sealing plates 12 downwards, the spring members 11 compress until the movable plates 5 reach the lowest position, at the moment, the push rods 13 extend out of the limiting holes 121 and are deflected through the action of inclined planes, the sealing plates 12 are pushed upwards by the elastic action of the cooperation of the spring members 11, the push rods 505 rotate to be flush with the bottom surfaces of the movable plates 5, the sealing plates 12 are separated from the bottom surfaces of the movable plates 12, and the sealing plates 12 are rapidly folded up to the bottom surfaces of the movable plates 5, and the sedimentation tank 9 are rapidly separated from the sedimentation tank, and the impurities are rapidly extruded out of the sealing plates, and the sealing plates are separated from the gap is sealed in the gap, and the gap is rapidly closed, and the gap is sealed by the sedimentation tank is sealed, and the sealing plate is not sealed. Then, the driving member is controlled to drive all the movable plates 5 to move upwards, and the push rod 505 is restored to a vertical downward state under the elastic action of the elastic hinge in the moving process.
According to the invention, the driving member can be set to drive the movable plate 5 to reciprocate up and down once according to the filtering amount of the insoluble impurities at certain intervals, the movable plate 5 is kept at a fixed position after each reciprocation, for example, the stop position is a position just for enabling the push rod 505 to abut against the top opening of the limiting hole 121, as an initial position, in each cleaning period, the driving member firstly drives the movable plate 5 to move up to the top end, then drives the movable plate 5 to move down to the bottommost end, the processes of cleaning twice and discharging the cleaned insoluble impurities are completed, then drives the movable plate 5 to move up for a small distance (determined by the length of the push rod 505), and the control of the displacement and the control of the period time can be realized by the setting of the parameters of the controller.
In the invention, preferably, the movable plate 5 connected with the driving piece and the movable plate 5 connected with the push rod 505 are the same movable plate 5, so that the transmission between the adjacent movable plates 5 only needs to overcome the factors of gravity and friction force between the cleaning block and the filter cartridge, the requirement on the magnetic attraction piece 502 is reduced, and the reliability of the transmission is also improved.
In the present invention, preferably, the free end of the push rod 505 is provided with a roller 506, and the diameter of the roller 506 is larger than that of the limiting hole 121, so that the push rod 505 is ensured not to deflect in the process of pushing the sealing plate 12 by the push rod 505, and the push rod 505 is ensured to deflect under the action of an inclined plane when the push rod 13 extends out of the limiting hole 121.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (7)
1. The utility model provides a multistage filter device is used in grinding aid production, includes casing (1), be equipped with feed inlet (2) and discharge gate (3) on casing (1), its characterized in that, be equipped with a plurality of cartridge filters (4) that from inside to outside interval distribution in proper order in casing (1), and from inside to outside the mesh of cartridge filter (4) reduces in proper order, feed inlet (2) communicate with the inboard space of innermost cartridge filter (4), discharge gate (3) communicate with the outside space of outermost cartridge filter (4);
the inside of inboard cartridge filter (4) and position between adjacent cartridge filter (4) all are equipped with fly leaf (5), the outside edge of fly leaf (5) all is equipped with washs piece (501) that contact with cartridge filter (4) inside surface, adsorbs the linkage through piece (502) are inhaled to magnetism that sets up in fly leaf (5) border position between adjacent fly leaf (5), and one of them fly leaf (5) are connected with the driving piece for drive all fly leaf (5) and washs piece (501) and follow cartridge filter (4) inside surface synchronous motion, realize the clearance to the insoluble impurity of cartridge filter (4) inside surface.
2. The multistage filtering device for grinding aid production according to claim 1, wherein the movable plates (5) are transversely intercepted, the inner movable plate (5) of the innermost filter cylinder (4) is disc-shaped, and the movable plates (5) between adjacent filter cylinders (4) are annular.
3. The multistage filtering device for grinding aid production according to claim 1, wherein elastic bodies (503) are arranged on the outer side edges of the movable plates (5), and the cleaning blocks (501) are mounted on the elastic bodies (503) and are in extrusion contact with the inner side surfaces of the filter cartridges (4) through elastic action of the elastic bodies (503).
4. The multistage filtering device for grinding aid production according to claim 1, characterized in that the driving member comprises a motor (6) arranged outside the housing (1), a friction driving wheel (7) arranged at the output end of the motor (6), and a transmission rod (8) connected to one of the movable plates (5), wherein the transmission rod (8) extends outside the housing (1) and is in contact with the friction driving wheel (7).
5. The multistage filtering device for grinding aid production according to claim 1, wherein the bottom of the filtering cylinder (4) comprises a section of sealing cylinder (401) without a filtering hole, the movable plates (5) are provided with a plurality of circulating holes (504) with one-way valves, the one-way valves only allow grinding aid to pass through the movable plates (5) from top to bottom, the bottom surface of one movable plate (5) is connected with a push rod (505) through an elastic hinge, the push rod (505) can rotate between a state of being flush with the bottom surface of the movable plate (5) and a vertically downward state, and keeps the vertically downward state under the elastic action of the elastic hinge when no external force is applied, the bottom of the shell (1) is connected with a sedimentation tank (9) containing water, the connecting position is an intercommunicated open structure, a mounting table (10) is arranged in the sedimentation tank (9), the top of the mounting table (10) is supported by a spring element (11), the sealing plate (12) is connected with the push rod (505) through the elastic hinge under the action of the spring element (11), the open structure is provided with the push rod (505), the top of the push rod (12) is obliquely arranged in the top position of the top (13) and is in a position of being sealed and is in a position of being 13 in the top of the top (13) and is in a position of the top opening (13) is in a sealing position;
when the driving piece drives all the movable plates (5) to move upwards, the circulation holes (504) are opened, and insoluble impurities cleaned in the space above the movable plates (5) enter the space below the movable plates (5) from the circulation holes (504) until the movable plates (5) reach the top-most position; when the driving piece drives all the movable plates (5) to move downwards, the circulating holes (504) are closed, the movable plates (5) push the cleaned insoluble impurities to move downwards, after the movable plates (5) are in contact with the sealing drums (401), the movable plates (5) block the open structure, the push rods (505) are abutted against the top opening positions of the limiting holes (121) and gradually push the sealing plates (12) downwards, so that the sealing plates (12) are separated from the open structure, water in the sedimentation tank (9) is poured into the gap between the sealing plates (12) and the movable plates (5), the cleaned insoluble impurities are dispersed, the push rods (505) continuously push the sealing plates (12) downwards, the spring pieces (11) are compressed until the movable plates (5) reach the lowest end position, at the moment, the push rods (13) extend out of the limiting holes (121) and deflect the push rods (505) through the action of inclined planes, the elastic action of the matched spring pieces (11) push the sealing plates (12) upwards, the push rods (505) to be rotated to be flush with the bottom surfaces of the movable plates (5) and the sealing plates (12) and rapidly close the sealing plates (12) to the gap between the movable plates (5) and the sealing plates (12) and the gap between the sealing plates (12) and the sealing plates (5) are rapidly closed, insoluble impurities are precipitated in a precipitation tank (9) after extrusion.
6. The multistage filtering device for grinding aid production according to claim 5, wherein the movable plate (5) connected with the driving member and the movable plate (5) connected with the push rod (505) are the same movable plate (5).
7. The multistage filtering device for grinding aid production according to claim 5, characterized in that the free end of the push rod (505) is provided with a roller (506), and the diameter of the roller (506) is larger than the diameter of the limiting hole (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310152541.5A CN116422035A (en) | 2023-02-22 | 2023-02-22 | Multistage filtering device for grinding aid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310152541.5A CN116422035A (en) | 2023-02-22 | 2023-02-22 | Multistage filtering device for grinding aid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116422035A true CN116422035A (en) | 2023-07-14 |
Family
ID=87089757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310152541.5A Withdrawn CN116422035A (en) | 2023-02-22 | 2023-02-22 | Multistage filtering device for grinding aid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116422035A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118437059A (en) * | 2024-07-05 | 2024-08-06 | 洛阳炼化九源石化有限公司 | Impurity filtering device for solvent system and filtering method thereof |
-
2023
- 2023-02-22 CN CN202310152541.5A patent/CN116422035A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118437059A (en) * | 2024-07-05 | 2024-08-06 | 洛阳炼化九源石化有限公司 | Impurity filtering device for solvent system and filtering method thereof |
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