CN110302889B - Dense medium ore sorting equipment - Google Patents
Dense medium ore sorting equipment Download PDFInfo
- Publication number
- CN110302889B CN110302889B CN201910701660.5A CN201910701660A CN110302889B CN 110302889 B CN110302889 B CN 110302889B CN 201910701660 A CN201910701660 A CN 201910701660A CN 110302889 B CN110302889 B CN 110302889B
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- heavy
- heavy medium
- movable
- barrel
- sieve plate
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- 238000000926 separation method Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 14
- 239000011707 mineral Substances 0.000 abstract description 14
- 239000000725 suspension Substances 0.000 abstract description 5
- 238000012216 screening Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 10
- 239000012141 concentrate Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
Abstract
The invention discloses a heavy medium ore separation device, and belongs to the field of mineral separation devices. Including sorting barrel (5), move sieve (1), decide sieve (2) and carry and draw device (3), decide sieve (2) and set up in sorting barrel (5) discharge gate department, move sieve (1) and establish in sorting barrel (5), and carry and draw device (3) can drive and move sieve (1) and reciprocate, move the interval of sieve (1) lower extreme and be equipped with heavy medium chain (4), the one end of the steel cable (43) of heavy medium chain (4) is connected with moving sieve (1) terminal surface, heavy medium spheroid (41) wear to overlap on steel cable (43). The device adopts the principle that light and heavy minerals generate floating and sinking and jigging in the heavy suspension, and drives a heavy medium chain (4) to do vertical motion through a lifting device (3), so that the heavy medium is transversely and uniformly distributed in a separation barrel (5) or the barrel, the heavy medium cannot be precipitated in the up-and-down motion, and the purpose of screening ores is realized.
Description
Technical Field
The invention discloses a heavy medium ore separation device, and belongs to the field of mineral separation devices.
Background
Before extracting valuable minerals from the ores, the ores need to be crushed, the crushed ores need to be screened, and the qualified-granularity ore particles are screened out and then subjected to gravity separation, magnetic separation, flotation, electric separation and chemical separation by a beneficiation method to obtain useful concentrates.
The heavy medium is water with density greater than 1g/cm 3 Heavy liquid or heavy suspension fluid of (a). The process of separating ore particles in a heavy medium is called heavy medium beneficiation. The gravity separation method is a method for separating minerals strictly according to density. The basic principle is the archimedes principle-particles less than the density of the heavy medium will float in the medium and particles greater than the density of the heavy medium will sink in the medium. Therefore, the method is widely used for coal dressing and separating various metal ores and nonmetallic ores. Clean coal and gangue can be directly obtained during coal dressing, and coarse-grained waste tailings and rough concentrate can be obtained during metal ore dressing.
In theory, the heavy medium ore dressing can effectively sort the ores with the density difference of light and heavy minerals of about 0.1, is a universal ore dressing method, and improves the coal quality by the heavy medium ore dressing of more than 85% of coals nationwide at present. Clearly, the dense medium beneficiation is one of the most promising directions for improving the comprehensive economic benefit of nonferrous metal mines.
However, in practical production, the heavy medium sorting has great application limitation, and mainly has the following problems:
1. when heavy media are used for separating metal ores, the heavy media are limited by the density of the heavy media, so that suspension liquid with very high density is difficult to prepare, and generally only heavy media with slightly higher density than light minerals can be prepared. Therefore, the heavy medium ore dressing is difficult to obtain high-grade final concentrate, and only low-density monomer gangue or surrounding rock mixed in mining can be removed to be used as a pre-sorting operation;
2. in the heavy medium separation, the heavy matters need to follow the concentrate and the tailings to flow away, the heavy matters need to be continuously added in the production, the heavy matters in the concentrate and the tailings need to be removed through a medium removal sieve, and then the heavy matters are recovered through a mineral separation method, so that the on-site process is complex, the flow is long, the operation is difficult, and the production cost is high;
3. the gravity of the heavy matters is large, and under the action of gravity, the heavy matters are easy to precipitate in the separated ore pulp, so that the separation of minerals according to density is influenced, and the separation precision is reduced.
Disclosure of Invention
The invention aims to solve the technical problems of complex process, long flow, difficult operation, low separation precision and high production cost of the existing heavy medium beneficiation process.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a dense medium ore sorting facilities, includes the separation barrel, moves the sieve, decides the sieve and carries and draw the device, decides the sieve setting in the lower extreme discharge gate department of separation barrel, moves the sieve and passes through and draw the device setting in the separation barrel, and carries and draw the device and drive and move the sieve and reciprocate, and separation barrel lateral wall upper portion is provided with the tailing discharge port, moves the interval on the terminal surface under the sieve and is provided with the dense medium chain, the dense medium chain includes fixed strip and dense medium spheroid, and the one end of fixed strip is connected with moving the sieve terminal surface, and the dense medium spheroid wears to overlap on the fixed strip.
Wherein, the lifting device in the device is a crank-link mechanism.
Further, the lifting device in the device comprises a connecting rod, a disc and a rotating shaft, one end of the connecting rod is hinged with the outer edge of the disc, the other end of the connecting rod is hinged with the movable sieve plate, and the middle part of the disc is connected with the rotating shaft.
Further, the lifting device in the device comprises a connecting rod, a crank and a rotating shaft, one end of the connecting rod is hinged with one end of the crank, the other end of the connecting rod is hinged with the movable sieve plate, and the other end of the crank is connected with the rotating shaft.
Further, in the device, the lifting devices are two sets and are symmetrically arranged at two ends of the movable sieve plate, and the connecting rods in the lifting devices are respectively hinged with the two ends of the movable sieve plate correspondingly.
The number of the heavy medium spheres in the device is multiple, and the diameters of the heavy medium spheres are sequentially increased along the direction away from the movable sieve plate.
Further, in the device, an elastic piece is arranged between the adjacent heavy medium spheres, and two ends of the elastic piece are in contact with the opposite side walls of the adjacent spheres.
Further, in the device, the elastic piece is a tube spring, and the elastic piece is sleeved on the fixing strip.
Wherein, still include toper row silo and support in the above-mentioned device, the upper end and the separation barrel lower extreme of toper row silo are connected, will select separately barrel and toper row silo through deciding the sieve, and toper row silo is fixed through the support, and is provided with the moisturizing takeover on the toper row silo lateral wall.
Wherein, in above-mentioned device move the sieve by a plurality of steel bars that crisscross setting of horizontal and vertical constitute, fixed strip tip and move the intersection of sieve steel bars and be connected.
The beneficial effects of the invention are as follows: the device adopts the principle that light and heavy minerals generate floating and sinking and jigging in the heavy suspension, and drives heavy medium chains to do vertical motion through the lifting device, so that the heavy media are transversely and uniformly distributed in the sorting cylinder or the cylinder, the heavy media can not be precipitated in the up-and-down motion, and the purpose of screening the ores is realized. Meanwhile, the device limits the movement of the heavy matters in the separation area by a special and ingenious means, ensures that the heavy matters cannot be precipitated in the ore pulp suspension, and stabilizes the gravity gradient in the separated ore pulp; the heavy matters are ensured not to flow away along with the concentrate or the tailings, and the cost of continuously supplementing the heavy matters and treating the heavy matters is avoided; the gravity gradient in the separation ore pulp can be accurately adjusted, and the separation precision is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is an enlarged schematic view of the structure I in FIG. 1 according to the present invention.
FIG. 3 is a schematic view of another embodiment of the present invention.
Fig. 4 is a schematic view of the bottom view of the movable screen plate of the present invention.
Fig. 5 is a schematic top view of the fixed screen plate of the present invention.
Marked in the figure as: the device comprises a movable sieve plate 1, a fixed sieve plate 2, a lifting device 3, a disc 31, a rotating shaft 32, a connecting rod 33, a crank 34, a heavy medium chain 4, a heavy medium ball 41, an elastic piece 42, a fixed strip 43, a sorting cylinder 5, a tailing discharge port 6, a conical discharge groove 7, a water supplementing connecting pipe 8 and a bracket 9.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the heavy medium ore sorting equipment comprises a sorting barrel 5, a movable screen plate 1, a fixed screen plate 2 and a lifting device 3, wherein the fixed screen plate 2 is arranged at a discharge hole at the lower end of the sorting barrel 5, the movable screen plate 1 is arranged in the sorting barrel 5 through the lifting device 3, the lifting device 3 can drive the movable screen plate 1 to move up and down, a tailing discharge hole 6 is formed in the upper part of the side wall of the sorting barrel 5, heavy medium chains 4 are arranged on the lower end surface of the movable screen plate 1 at intervals, each heavy medium chain 4 comprises a fixed strip 43 and heavy medium balls 41, one end of each fixed strip 43 is connected with the end surface of the movable screen plate 1, and each heavy medium ball 41 is sleeved on each fixed strip 43 in a penetrating manner. It can be understood by those skilled in the art that the sorting cylinder 5 of the device is provided with a feed inlet for the lower end, the feed inlet is opposite to the movable sieve plate 1, the fixed sieve plate 2 is arranged at the outlet of the lower end, the two ends of the movable sieve plate 1 are connected with the lifting device 3, the movable sieve plate 1 is fixed in the sorting cylinder 5 through the lifting device 3, and the lifting device 3 can drive the movable sieve plate 1 to reciprocate up and down, so that the lifting device 3 of the device only needs to ensure that the movable sieve plate 1 is in the sorting cylinder 5, and the mounting position of the lifting device 3 can be in the sorting cylinder 5 or outside the sorting cylinder 5. The heavy medium balls 41 on the heavy medium chain 4 connected with the lower end of the movable sieve plate 1 are used for stirring the materials in the sorting cylinder 5, so that the heavy medium materials are effectively prevented from being deposited. When in actual work, clean water and minerals to be sorted are fed from a feed inlet on the upper movable sieve, the clean water fills a sorting area in the sorting cylinder 5, the minerals pass through the sieve holes of the upper movable sieve and enter the sorting cylinder 5, and the lifting device 3 drives the movable sieve plate 1 to reciprocate up and down, so that the heavy medium chain 4 is driven to reciprocate up and down. In the moving heavy medium chain 4, the minerals with lighter specific gravity are subjected to the action of the resultant force of mechanical force and float on the surface of ore pulp, the minerals with larger specific gravity gradually sink on the lower fixed sieve plate 2 against the received buoyancy, and the ore concentrate can be prepared through the sieve surface screening of the fixed sieve plate 2. The upper part of the side wall of the separation barrel 5 is provided with a tailing discharge port 6 which is mainly used for discharging impurities floating on the surface of materials, so that the liquid level in the separation barrel 5 is kept close to or coincident with the lower end surface of the tailing discharge port 6 in actual use. The heavy medium sphere 41 of the device is a common metal solid sphere, the number of the heavy medium spheres can be one or a plurality of the heavy medium spheres can be arranged at intervals, the diameter of the spheres is determined according to the size of the inner space of the sorting cylinder 5, and the diameter range of the heavy medium spheres 41 can be 0.001cm-100 cm. The diameter of the fixing strip 43 is adapted to the diameter of the heavy medium ball 41, preferably the diameter range of the fixing strip 43 is 0.001 cm-10 cm, and the fixing strip 43 of the device is only used for connecting the movable sieve plate 1 and the heavy medium ball, so the fixing strip 43 can be in a rod-shaped or rope structure, preferably the fixing strip 43 is a steel rope, a plastic rope or a rod, or a rope or a rod made of composite materials. Since the heavy medium balls 41 are threaded on the fixing strips 43, when the number of heavy medium balls is plural, the spacing between two adjacent heavy medium balls is preferably 0-10 cm.
Preferably, in the above device, the pulling device 3 is a crank-link mechanism. It will be appreciated by those skilled in the art that the present apparatus preferably uses a crank mechanism as the lifting means 3 to effect a reciprocating movement of the moving screen plate 1 up and down in the vertical direction.
Preferably, the lifting device 3 in the device comprises a connecting rod 33, a disc 31 and a rotating shaft 32, one end of the connecting rod 33 is hinged with the outer edge of the disc 31, the other end of the connecting rod is hinged with the movable sieve plate 1, and the middle part of the disc 31 is connected with the rotating shaft 32. It can be understood by those skilled in the art that the device is only a specific structure of the further preferred lifting device 3, the disc 31 is hinged and fixed with the movable sieve plate 1 through the connecting rod 33, the rotating shaft 32 can directly drive the disc 31 to move, and because the hinged part of the connecting rod 33 and the disc 31 is positioned at the outer edge of the disc 31, when the disc 31 rotates, the connecting rod 33 can be driven to move and then be converted into the movable sieve plate 1 to move up and down, the heavy medium serial chain 4 is driven to move up and down, so that the heavy medium is distributed uniformly in the transverse direction in the separation tank body or the barrel, and the heavy medium cannot be precipitated in the up and down movement due to the existence of the heavy medium serial chain 4. The rotating shaft 32 of the device can directly rotate through motor drive, and the rotating shaft 32 can be directly arranged on the inner upper wall of the sorting cylinder 5.
Preferably, the lifting device 3 in the device comprises a connecting rod 33, a crank 34 and a rotating shaft 32, one end of the connecting rod 33 is hinged with one end of the crank 34, the other end of the connecting rod is hinged with the movable sieve plate 1, and the other end of the crank 34 is connected with the rotating shaft 32. It will be appreciated by those skilled in the art that the present apparatus is merely a further preferred embodiment of the lifting apparatus 3, and the crank 34 is hinged to the moving screen plate 1 by means of the connecting rod 33, and the rotating shaft 32 may directly drive the crank 34 to move. When the crank 34 rotates, the connecting rod 33 can be driven to move and then be converted into the movable sieve plate 1 to move up and down, the heavy medium serial chain 4 is driven to move up and down, the heavy medium is distributed uniformly in the transverse direction in the separation tank body or the cylinder body, and the heavy medium can not be precipitated in the up and down movement due to the existence of the heavy medium serial chain 4. The rotating shaft 32 of the device can directly rotate through motor drive, and the rotating shaft 32 can be directly arranged on the inner upper wall of the sorting cylinder 5.
Preferably, in the above device, the lifting devices 3 are two sets and symmetrically arranged at two ends of the movable sieve plate 1, and the connecting rods 33 in the lifting devices 3 are hinged with two ends of the movable sieve plate 1 respectively. It will be appreciated by those skilled in the art that in order to make the moving screen plate 1 uniformly stressed, stable in operation. The device preferably comprises two sets of lifting devices 3 which are symmetrically arranged at two ends of the movable sieve plate 1, wherein connecting rods 33 in the lifting devices 3 are respectively hinged with the two ends of the movable sieve plate 1 correspondingly, and the movable sieve plate 1 moves up and down through the lifting devices 3 at the two ends.
Preferably, in the above device, the number of the heavy medium balls 41 is plural, and the diameters of the heavy medium balls 41 sequentially increase in a direction away from the moving screen plate 1. As will be appreciated by those skilled in the art, the present apparatus preferably has a plurality of heavy medium spheres 41, the diameters of the heavy medium spheres 41 being sequentially increased, realizing a specific gravity gradient in which the specific gravity gradually increases from top to bottom in the longitudinal direction.
Preferably, in the above device, an elastic member 42 is disposed between the adjacent heavy medium spheres 41, and two ends of the elastic member 42 are in contact with the opposite side walls of the adjacent spheres. It will be appreciated by those skilled in the art that, in order to avoid collision of heavy medium balls on the same chain 4 of heavy medium strings when the heavy medium balls move up and down, the device preferably has elastic members 42 between adjacent heavy medium balls 41, and the elastic members 42 are used to store energy and prevent mutual friction between heavy medium particles.
Preferably, in the above device, the elastic member 42 is a tube spring, and the elastic member 42 is sleeved on the fixing strip 43. It will be appreciated by those skilled in the art that the present device is simply preferably a tube spring for the resilient member 42 to facilitate its attachment to the mounting bar 43 while reducing cost.
Preferably, the device further comprises a conical discharge groove 7 and a bracket 9, wherein the upper end of the conical discharge groove 7 is connected with the lower end of the sorting cylinder 5, the sorting cylinder 5 and the conical discharge groove 7 are separated through the fixed sieve plate 2, the conical discharge groove 7 is supported and fixed through the bracket 9, and a water supplementing connecting pipe 8 is arranged on the side wall of the conical discharge groove 7. It will be appreciated by those skilled in the art that the device is preferably provided with a conical discharge chute 7 at the lower end of the sorting cylinder 5, and the conical discharge chute 7 is supported by a bracket 9, and the lower end of the sorting cylinder 5 is connected with the conical discharge chute 7, so that the bracket 9 can support and fix the whole device. The device also preferably sets up moisturizing takeover 8 on the toper discharge groove 7 lateral wall, during actual operation, with moisturizing takeover 8 with outside water piping connection, give into the inslot through the moisturizing pipe and rise rivers, the speed variation of rising rivers can influence the productivity of the screen product of lower fixed sieve board 2, control concentrate quality, the cell body right is the ore discharge mouth, the product of screen through is discharged through the ore discharge mouth of bottom toper discharge groove 7, forms the concentrate.
Preferably, in the above device, the moving screen plate 1 is formed by a plurality of steel bars which are arranged in a staggered manner, and the end parts of the fixing strips 43 are connected with the crossing parts of the steel bars of the moving screen plate 1. It can be understood by those skilled in the art that the movable sieve plate 1 is further preferably formed by a plurality of steel bars which are arranged in a staggered manner in the horizontal and vertical directions, so that the through holes are square holes, and the cost is reduced. Meanwhile, the connecting end of the fixing strip 43 is directly connected with the crossing part of the steel bar, so that the whole heavy medium chain 4 can be fixed, and the installation is convenient.
Claims (8)
1. A heavy media ore sorting apparatus, characterized by: the device comprises a sorting barrel (5), a movable screen plate (1), a fixed screen plate (2) and a lifting device (3), wherein the fixed screen plate (2) is arranged at a discharge hole at the lower end of the sorting barrel (5), the movable screen plate (1) is arranged in the sorting barrel (5) through the lifting device (3), the lifting device (3) can drive the movable screen plate (1) to move up and down, a tailing discharge hole (6) is formed in the upper part of the side wall of the sorting barrel (5), heavy medium chains (4) are arranged on the lower end face of the movable screen plate (1) at intervals, each heavy medium chain (4) comprises a steel rope (43) and heavy medium balls (41), one end of each steel rope (43) is connected with the end face of the movable screen plate (1), and each heavy medium ball (41) is sleeved on the steel rope (43) in a penetrating mode; the number of the heavy medium spheres (41) is multiple, and the diameters of the heavy medium spheres (41) are sequentially increased along the direction away from the movable sieve plate (1); the lifting device (3) is a crank-link mechanism.
2. A heavy media ore sorting apparatus according to claim 1, wherein: the lifting device (3) comprises a connecting rod (33), a disc (31) and a rotating shaft (32), one end of the connecting rod (33) is hinged with the outer edge of the disc (31), the other end of the connecting rod is hinged with the movable sieve plate (1), and the middle part of the disc (31) is connected with the rotating shaft (32).
3. A heavy media ore sorting apparatus according to claim 1, wherein: the lifting device (3) comprises a connecting rod (33), a crank (34) and a rotating shaft (32), one end of the connecting rod (33) is hinged with one end of the crank (34), the other end of the connecting rod is hinged with the movable sieve plate (1), and the other end of the crank (34) is connected with the rotating shaft (32).
4. A heavy medium ore sorting apparatus according to claim 2 or 3, wherein: the lifting devices (3) are two sets and are symmetrically arranged at two ends of the movable sieve plate (1), and connecting rods (33) in the lifting devices (3) are hinged with two ends of the movable sieve plate (1) respectively.
5. A heavy media ore sorting apparatus according to claim 1, wherein: an elastic piece (42) is arranged between the adjacent heavy medium spheres (41), and two ends of the elastic piece (42) are in contact with the opposite side walls of the adjacent spheres.
6. A heavy media ore sorting apparatus according to claim 5, wherein: the elastic piece (42) is a tube spring, and the elastic piece (42) is sleeved on the steel rope (43).
7. A heavy media ore sorting apparatus according to claim 1, wherein: still include toper row silo (7) and support (9), the upper end of toper row silo (7) is connected with separation barrel (5) lower extreme, separates separation barrel (5) and toper row silo (7) through deciding sieve (2), and toper row silo (7) are fixed through support (9) support, and are provided with moisturizing takeover (8) on toper row silo (7) lateral wall.
8. A heavy media ore sorting apparatus according to claim 1, wherein: the movable sieve plate (1) is composed of a plurality of steel bars which are arranged in a transverse and vertical staggered mode, and the end part of the steel rope (43) is connected with the crossing part of the steel bars of the movable sieve plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701660.5A CN110302889B (en) | 2019-07-31 | 2019-07-31 | Dense medium ore sorting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701660.5A CN110302889B (en) | 2019-07-31 | 2019-07-31 | Dense medium ore sorting equipment |
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| CN110302889A CN110302889A (en) | 2019-10-08 |
| CN110302889B true CN110302889B (en) | 2023-11-21 |
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| CN201910701660.5A Active CN110302889B (en) | 2019-07-31 | 2019-07-31 | Dense medium ore sorting equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111298958B (en) * | 2020-03-27 | 2021-09-10 | 云南缘矿科技开发有限公司 | Metal mineral separation equipment and use method thereof |
| CN113399112B (en) * | 2021-06-01 | 2022-12-23 | 辽宁科技大学 | Permanent magnet drum type magnetic separator with mechanical dispersing function |
| CN113492058B (en) * | 2021-06-01 | 2022-12-23 | 辽宁科技大学 | Mechanical swing dispersing device for permanent magnet drum type magnetic separator |
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| CN110302889A (en) | 2019-10-08 |
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