CN113457263B - Water absorption and slag blowing device of rotary drum vacuum filter - Google Patents
Water absorption and slag blowing device of rotary drum vacuum filter Download PDFInfo
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- CN113457263B CN113457263B CN202110627183.XA CN202110627183A CN113457263B CN 113457263 B CN113457263 B CN 113457263B CN 202110627183 A CN202110627183 A CN 202110627183A CN 113457263 B CN113457263 B CN 113457263B
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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
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or 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
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
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Abstract
The invention discloses a water-absorbing slag-blowing device of a rotary drum vacuum filter, which belongs to the technical field of rotary drum vacuum filters, and comprises a fixed shaft, wherein a plurality of uniformly distributed partition plates are fixedly connected to the outer wall of the fixed shaft, so that gaps among a plurality of main air holes can be compensated through the arrangement of a hollow plate, residues in filter pulp can be adsorbed through auxiliary air holes in the hollow plate when the filter pulp is adsorbed by the main air holes, the filtering effect of the filter pulp is improved, meanwhile, the effect of blowing off filter residues is improved when the filter residues on the filter cloth are blown off by the main air holes through the arrangement of the hollow plate, the problem that the filter residues on the filter cloth are scraped off by a scraper in the later period is avoided, the service life of the filter cloth is prolonged, compressed air can be stored in an air bag through the arrangement of a movable pipe, the stored gas can be instantly released when the movable pipe is overlapped with the main air holes, and the effect of blowing off the slag is further improved.
Description
Technical Field
The invention relates to the technical field of rotary drum vacuum filters, in particular to a water-absorbing slag-blowing device of a rotary drum vacuum filter.
Background
The drum vacuum filter refers to a device which utilizes the vacuum suction effect and continuously completes the whole filtering operation in the rotating process of a cylinder. Also known as a vacuum rotary filter. The outer wall of the rotary drum is provided with small holes and is wrapped with filter cloth. The inside of the rotary drum is divided into a plurality of fan-shaped grids which are not communicated with each other, the fan-shaped grids are connected with the distribution head through pore passages on the hollow shaft and are communicated with the vacuum pipeline and the compressed air pipeline in turn when the cylinder rotates, the plurality of fan-shaped grids correspond to different areas, such as a vacuum area and a compressed air area, the vacuum area can suck impurities in the filter pulp on the filter cloth for filtering, and the compressed air area can blow off the impurities on the filter cloth by using air.
However, since gaps are left between the small holes, the adsorption effect of the filter residue located outside the small holes is not good, and the filter residue outside the small holes is not easily blown off when the filter residue is blown off, so that the filter residue which is not blown off on the filter cloth needs to be scraped off by using the scraper, but the filter cloth is easily damaged by the scraper when the filter residue is scraped off, and further improvement is needed.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a water-absorbing and slag-blowing device of a rotary drum vacuum filter, which can realize that gaps among a plurality of main air holes are compensated through the arrangement of a hollow plate, so that the main air holes can adsorb residues in filter pulp through auxiliary air holes on the hollow plate when the filter pulp is adsorbed, the filtering effect of the filter pulp is improved, meanwhile, the effect of blowing off the filter residues is improved when the main air holes blow off the filter residues on the filter cloth through the arrangement of the hollow plate, the later-period need of scraping off the filter residues on the filter cloth by using a scraper is avoided, namely, the service life of the filter cloth is prolonged, compressed air can be stored in an air bag through the arrangement of a movable pipe, the stored air can be instantly released when the movable pipe is overlapped with the main air holes, and the effect of blowing off the slag is further improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A water-absorbing slag-blowing device of a rotary drum vacuum filter comprises a fixed shaft, wherein the outer wall of the fixed shaft is fixedly connected with a plurality of uniformly distributed clapboards, a rotating wheel is arranged on the outer wall of the clapboard, a plurality of rows of evenly distributed main air holes are arranged between the inner wall and the outer wall of the rotating wheel, the outer wall of the rotating wheel is fixedly connected with filter cloth, the inner wall of each main air hole is fixedly connected with a connecting pipe, the top end of the connecting pipe is fixedly connected with two symmetrically arranged hollow plates, the top surface of each hollow plate is provided with a plurality of uniformly distributed auxiliary air holes, the hollow plates are positioned between the rotating wheels and the filter cloth, wherein a supporting rod is fixedly connected between the two clapboards, a plurality of bases are fixedly connected on the side wall of the supporting rod close to the rotating wheel, the bottom end of the base is provided with a storage groove, the top end of the base is provided with a sliding groove, the inner wall of the sliding groove is connected with a movable pipe in a sliding way, a compression spring is fixedly connected between the movable tube and the side wall of the chute, a sealing rod is fixedly connected with the bottom surface of the chute, the side wall of the sealing rod is fixedly connected with a rubber ring, a through groove is arranged between the sliding groove and the storage groove, a plurality of air holes distributed annularly are arranged at the top end of the through groove, the air holes are all positioned at the outer side of the sealing rod, the bottom end of the through groove is provided with a first fixed groove, a plurality of second fixed grooves are arranged between the upper surface and the lower surface of the supporting rod, the number of the second fixed grooves is matched with that of the bases, the second fixed grooves correspond to the bases one by one, the second fixed slot is located the inboard of base, the inboard of base is provided with the gasbag, the equal fixedly connected with air duct in upper and lower both ends of gasbag, two the air duct is located the inboard of first fixed slot and second fixed slot respectively and fixedly connected with it.
Further, the bottom fixedly connected with main magnet of runner, fixedly connected with vice magnet on the inner wall on movable tube top, a plurality of through-holes have been seted up between the upper and lower face of vice magnet, specifically, the bottom surface of main magnet and the top surface of vice magnet repel each other, through the setting of vice magnet and main magnet, when main magnet rotated to the upside of through-hole, can squeeze the movable tube and move down, the movable tube plugs up the movable tube when the movable tube moved down, the gas that gets into the gasbag can be stored in the gasbag this moment, compression spring rebounds the movable tube when waiting for the through-hole to move to the positive downside in main pore, the gas of storing in the gasbag releases in the twinkling of an eye through the hollow plate discharge and blows off the impurity on filter cloth surface this moment.
Furthermore, the movable tube is made of insulating materials, and the movable tube is prevented from being interfered by the main magnet when the through hole is positioned under the main air hole.
Furthermore, it is a plurality of the equal fixedly connected with sealing strip of one end of baffle, the one end of sealing strip pastes mutually with the inner wall of runner, has avoided the gas leakage between a plurality of baffles to lead to vacuum area and compressed air district to mix together through the setting of sealing strip.
Furthermore, every two adjacent hollow plates have a small interval of 1 cm, and the filter cloth is prevented from being adsorbed by filter residues through auxiliary air holes in the hollow plates due to the fact that gaps between the hollow plates are too large through the arrangement of the hollow plates.
Furthermore, the inner wall of the air duct is fixedly connected with a one-way valve, and the air entering the air bag is prevented from leaking from the air duct through the one-way valve.
Furthermore, the diameter of activity pipe equals with the diameter of main gas port, through the setting to activity pipe and main gas port for just can make the activity pipe kick-back make gasbag release gas when being located main gas port under.
Furthermore, the top of activity pipe and the top of bracing piece all be with runner assorted circular-arc, through the setting to bracing piece and activity pipe for a plurality of compression spring's top.
Further, the lateral wall of rubber circle is the slope form, the diameter of rubber circle upside is less than the diameter of rubber circle downside, makes the movable tube be connected with the rubber circle more easily through setting up to the rubber circle.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme can realize the setting through hollow core plate through setting up it, gap between a plurality of main air vents has been compensatied, make main air vent adsorb the residue in the filter pulp through the vice gas pocket on the hollow core plate of accessible when adsorbing the filter pulp, the filter effect of filter pulp has been improved, simultaneously when setting up through hollow core plate and making main air vent blow the filter residue on the filter cloth, the effect of blowing off the filter residue has been improved, the later stage has been avoided and the filter residue on filter cloth is scraped to the scraper need to use, the life of filter cloth has been improved promptly, and the setting through the activity pipe can make the inside of air storage in the gasbag, can release the gas of storing in the twinkling of an eye when waiting for activity pipe and main air vent coincidence, further improvement the effect when blowing the residue.
(2) The bottom fixedly connected with main magnet of runner, the vice magnet of fixedly connected with on the inner wall on movable tube top, a plurality of through-holes have been seted up between the last lower surface of vice magnet, it is specific, the bottom surface of main magnet and the top surface of vice magnet repel each other, setting through vice magnet and main magnet, when main magnet rotates the upside to the through-hole, can extrude the movable tube downstream, the movable tube is stopped up the movable tube by the sealing rod when the downstream, the gas that gets into the gasbag this moment can be stored in the gasbag, compression spring rebounds the movable tube when waiting for the through-hole to remove to the positive downside of main gas hole, the gas that stores this moment in the gasbag releases in the twinkling of an eye through the hollow plate discharge and blows off the impurity on filter cloth surface.
(3) The movable pipe sets up to insulating material, still can receive the interference of main magnet when avoiding the through-hole to be located the main air vent through the setting to the movable pipe.
(4) The sealing strips are fixedly connected to one ends of the partition plates, one ends of the sealing strips are attached to the inner wall of the rotating wheel, and the fact that the vacuum area and the compressed air area are mixed due to air leakage among the partition plates is avoided through the arrangement of the sealing strips.
(5) The interval between every two adjacent hollow plates is not big and 1 centimetre, has avoided the gap between the hollow plate too big to lead to the filter residue to adsorb on the filter cloth through the vice gas pocket on the hollow plate through setting up hollow plate.
(6) The inner wall of the air duct is fixedly connected with a one-way valve, and the air entering the air bag is prevented from leaking from the air duct through the arrangement of the one-way valve.
(7) The diameter of activity pipe equals with the diameter of main gas port, through the setting to activity pipe and main gas port for just can make the activity pipe kick-back make gasbag release gas when being located main gas port under.
(8) The top of movable tube all is circular-arc with the runner assorted with the top of bracing piece, through the setting to bracing piece and movable tube for a plurality of compression spring's top.
(9) The lateral wall of rubber circle is the slope form, and the diameter of rubber circle upside is less than the diameter of rubber circle downside, makes the movable tube be connected with the rubber circle more easily through the setting to the rubber circle.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a connection structure of a base and a runner according to the present invention;
FIG. 3 is a schematic view of the connection structure of the hollow plate and the rotary wheel according to the present invention;
FIG. 4 is a schematic view of a cross-sectional front view at the base of the present invention;
FIG. 5 is a structural view illustrating an operation state when the air bag of the present invention is deflated;
fig. 6 is a structural schematic diagram of the working state of the air bag of the invention when being inflated.
The reference numbers in the figures illustrate:
1. a fixed shaft; 2. a partition plate; 3. a rotating wheel; 4. filtering cloth; 5. a main air hole; 6. a support bar; 7. a base; 8. a connecting pipe; 9. a hollow slab; 10. a secondary air hole; 11. a storage tank; 12. air holes are formed; 13. an air bag; 14. a chute; 15. a sealing rod; 16. a movable tube; 17. a compression spring; 18. a secondary magnet; 19. a through hole; 20. a gas-guide tube; 21. a main magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1:
referring to fig. 1-6, a water-absorbing and slag-blowing device of a rotary drum vacuum filter comprises a fixed shaft 1, a plurality of uniformly distributed baffles 2 are fixedly connected to the outer wall of the fixed shaft 1, a rotating rotary wheel 3 is arranged on the outer wall of the baffles 2, a sealing strip is fixedly connected to one end of each of the plurality of baffles 2, one end of each of the sealing strips is attached to the inner wall of the rotary wheel 3, a plurality of rows of uniformly distributed main air holes 5 are formed between the inner wall and the outer wall of the rotary wheel 3 and prevent the vacuum area and the compressed air area from being mixed due to air leakage among the plurality of baffles 2 by arranging the sealing strip, a filter cloth 4 is fixedly connected to the outer wall of the rotary wheel 3, a connecting pipe 8 is fixedly connected to the inner wall of each main air hole 5, two symmetrically arranged hollow plates 9 are fixedly connected to the top ends of the connecting pipes 8, a plurality of uniformly distributed auxiliary air holes 10 are formed on the top surfaces of the hollow plates 9, the hollow plates 9 are positioned between the rotary wheel 3 and the filter cloth 4, the interval between every two adjacent hollow plates 9 is not large and is 1 cm, the arrangement of the hollow plates 9 avoids that filter residues are adsorbed on filter cloth through auxiliary air holes 10 on the hollow plates 9 due to the fact that gaps between the hollow plates 9 are too large, wherein a support rod 6 is fixedly connected between the two partition plates 2, a plurality of bases 7 are fixedly connected to the side wall, close to the rotating wheel 3, of the support rod 6, a storage groove 11 is formed in the bottom end of each base 7, a sliding groove 14 is formed in the top end of each base 7, a movable pipe 16 is connected to the inner wall of the sliding groove 14 in a sliding mode, the diameter of each movable pipe 16 is equal to that of each main air hole 5, through the arrangement of the movable pipes 16 and the main air holes 5, the movable pipes 16 can rebound to enable the air bags 13 to release air when the movable pipes 16 are located under the main air holes 5, the top ends of the movable pipes 16 and the top ends of the support rods 6 are both arc-shaped like matched with the rotating wheel 3, through the setting to bracing piece 6 and movable tube 16, make the top of a plurality of compression spring 17, fixedly connected with compression spring 17 between the lateral wall of movable tube 16 and spout 14, spout 14's bottom surface fixedly connected with sealing rod 15, the lateral wall of rubber circle is the slope form, the diameter of rubber circle upside is less than the diameter of rubber circle downside, make movable tube 16 be connected with the rubber circle more easily through setting up to the rubber circle, fixedly connected with rubber circle on the lateral wall of sealing rod, logical groove has been seted up between spout 14 and the storage groove 11, a plurality of annular distribution's bleeder vent 12 has been seted up on the top of logical groove, a plurality of bleeder vent 12 all are located the outside of sealing rod 15, first fixed slot has been seted up to the bottom that leads to the groove, a plurality of second fixed slots have been seted up between the upper and lower face of bracing piece 6, the quantity of a plurality of second fixed slots and the quantity phase-match of base 7 and second fixed slot and base 7 one-to, the second fixed slot is located the inboard of base 7, the inboard of base 7 is provided with gasbag 13, the equal fixedly connected with air duct 20 at both ends, the one-way air duct is followed the air duct valve 20 and has avoided the air leakage of air duct 20.
Referring to fig. 5-6, a main magnet 21 is fixedly connected to the bottom end of the rotating wheel 3, a secondary magnet 18 is fixedly connected to the inner wall of the top end of the movable tube 16, a plurality of through holes 19 are formed between the upper and lower surfaces of the secondary magnet 18, specifically, the bottom surface of the main magnet 21 is repulsive to the top surface of the secondary magnet 18, through the arrangement of the secondary magnet 18 and the main magnet 21, when the main magnet 21 rotates to the upper side of the through holes 19, the movable tube 16 can be pressed to move downwards, the movable tube 16 is blocked by the sealing rod 15 when moving downwards, the gas entering the airbag 13 can be stored in the airbag 13, the movable tube 16 is rebounded by the compression spring 17 when waiting for the through holes 19 to move to the right lower side of the main hole 5, at this time, the gas stored in the airbag 13 is instantly released to be discharged through the hollow plate 9 to blow off impurities on the surface of the filter cloth 4, the movable tube 16 is made of an insulating material, and the arrangement of the movable tube 16 avoids the interference of the main magnet 21 when the through holes 19 are located right below the main hole 5.
According to the invention, through the arrangement of the hollow plate, gaps among the main air holes are compensated, so that the main air holes can adsorb residues in filter pulp through the auxiliary air holes in the hollow plate when the filter pulp is adsorbed, the filtering effect of the filter pulp is improved, meanwhile, through the arrangement of the hollow plate, when the main air holes blow off filter residues on the filter cloth, the effect of blowing off the filter residues is improved, the situation that the filter residues on the filter cloth are scraped off by using a scraper in the later period is avoided, namely, the service life of the filter cloth is prolonged, compressed air can be stored in the air bag through the arrangement of the movable pipe, the stored air can be instantly released when the movable pipe is overlapped with the main air holes, and the effect of blowing off the residues is further improved.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (9)
1. The utility model provides a rotary drum vacuum filter's water absorption blows sediment device, includes fixed axle (1), a plurality of evenly distributed's of fixedly connected with baffle (2) on the outer wall of fixed axle (1), be provided with pivoted runner (3) on the outer wall of baffle (2), main air hole (5) of multirow evenly distributed have been seted up between the interior outer wall of runner (3), fixedly connected with filter cloth (4), its characterized in that on the outer wall of runner (3): a connecting pipe (8) is fixedly connected to the inner wall of each main air hole (5), two symmetrically arranged hollow plates (9) are fixedly connected to the top end of each connecting pipe (8), a plurality of auxiliary air holes (10) which are uniformly distributed are formed in the top surface of each hollow plate (9), each hollow plate (9) is positioned between a rotating wheel (3) and a filter cloth (4), a supporting rod (6) is fixedly connected between two partition plates (2), a plurality of bases (7) are fixedly connected to the side wall, close to the rotating wheel (3), of each supporting rod (6), an accommodating groove (11) is formed in the bottom end of each base (7), a sliding groove (14) is formed in the top end of each base (7), a movable pipe (16) is slidably connected to the inner wall of each sliding groove (14), a compression spring (17) is fixedly connected between each movable pipe (16) and the side wall of each sliding groove (14), a sealing rod (15) is fixedly connected to the bottom surface of each sliding groove (14), a rubber ring is fixedly connected to the side wall of each sealing rod, a plurality of fixing grooves (12) are formed between each sliding groove (14) and a plurality of fixing grooves (12) are formed in the top end of each supporting rod, and a plurality of each fixing groove (12) is formed in the corresponding fixing groove, a plurality of the quantity phase-match of the quantity of second fixed slot and base (7) and second fixed slot and base (7) one-to-one, the second fixed slot is located the inboard of base (7), the inboard of base (7) is provided with gasbag (13), equal fixedly connected with air duct (20) in the upper and lower both ends of gasbag (13), two air duct (20) are located the inboard of first fixed slot and second fixed slot respectively and fixed connection with it.
2. The water absorbing and slag blowing device of the rotary vacuum filter as claimed in claim 1, wherein: the bottom end of the rotating wheel (3) is fixedly connected with a main magnet (21), the inner wall of the top end of the movable tube (16) is fixedly connected with an auxiliary magnet (18), and a plurality of through holes (19) are formed between the upper surface and the lower surface of the auxiliary magnet (18).
3. The water absorbing and slag blowing device of the rotary vacuum filter as claimed in claim 2, wherein: the movable tube (16) is made of insulating material.
4. The water-absorbing and slag-blowing device of the rotary vacuum filter as claimed in claim 1, wherein: a plurality of the equal fixedly connected with sealing strip of one end of baffle (2), the one end of sealing strip pastes with the inner wall of runner (3) mutually.
5. The water-absorbing and slag-blowing device of the rotary vacuum filter as claimed in claim 1, wherein: the interval between every two adjacent hollow plates (9) is not larger than 1 cm.
6. The water absorbing and slag blowing device of the rotary vacuum filter as claimed in claim 1, wherein: the inner wall of the air duct (20) is fixedly connected with a one-way valve.
7. The water-absorbing and slag-blowing device of the rotary vacuum filter as claimed in claim 1, wherein: the diameter of the movable pipe (16) is equal to that of the main air hole (5).
8. The water absorbing and slag blowing device of the rotary vacuum filter as claimed in claim 1, wherein: the top end of the movable tube (16) and the top end of the supporting rod (6) are both arc-shaped and matched with the rotating wheel (3).
9. The water absorbing and slag blowing device of the rotary vacuum filter as claimed in claim 1, wherein: the lateral wall of rubber circle is the slope form, the diameter of rubber circle upside is less than the diameter of rubber circle downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110627183.XA CN113457263B (en) | 2021-06-04 | 2021-06-04 | Water absorption and slag blowing device of rotary drum vacuum filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110627183.XA CN113457263B (en) | 2021-06-04 | 2021-06-04 | Water absorption and slag blowing device of rotary drum vacuum filter |
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| CN113457263A CN113457263A (en) | 2021-10-01 |
| CN113457263B true CN113457263B (en) | 2022-12-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113877272A (en) * | 2021-10-08 | 2022-01-04 | 杭州领成节能科技有限公司 | Waste water treatment device of thermal power plant |
| CN114318199B (en) * | 2021-12-24 | 2023-10-20 | 鄂州鑫力华电力器材有限公司 | Galvanized bath scum processing apparatus for galvanization processing |
| CN117959812B (en) * | 2024-04-02 | 2024-06-07 | 烟台核一过滤设备有限公司 | Disc type vacuum filter |
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| DE2924901A1 (en) * | 1978-06-23 | 1980-01-10 | Danske Sukkerfab | CIRCULAR DRUM OR PLATE FILTER |
| CN1038410A (en) * | 1988-06-08 | 1990-01-03 | 程慧雄 | Radiation-type vacuum continuous filter using internal filtering in rotating drum |
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| CN211189336U (en) * | 2019-11-30 | 2020-08-07 | 中铝山东工程技术有限公司 | Novel gas-liquid pre-separation distribution head for vertical disc |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1947279A1 (en) * | 1968-09-20 | 1970-03-26 | Svenska Flaektfabriken Ab | Filter device for gaseous media |
| DE2924901A1 (en) * | 1978-06-23 | 1980-01-10 | Danske Sukkerfab | CIRCULAR DRUM OR PLATE FILTER |
| CN1038410A (en) * | 1988-06-08 | 1990-01-03 | 程慧雄 | Radiation-type vacuum continuous filter using internal filtering in rotating drum |
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| CN210206118U (en) * | 2019-06-09 | 2020-03-31 | 后英集团海城市尾矿加工有限公司 | Demagnetizer disc type vacuum filter |
| CN211189336U (en) * | 2019-11-30 | 2020-08-07 | 中铝山东工程技术有限公司 | Novel gas-liquid pre-separation distribution head for vertical disc |
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| CN113457263A (en) | 2021-10-01 |
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