CN111940083A - Magnetic separation equipment and method for zinc-containing dust and mud treatment process - Google Patents
Magnetic separation equipment and method for zinc-containing dust and mud treatment process Download PDFInfo
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- CN111940083A CN111940083A CN202010789944.7A CN202010789944A CN111940083A CN 111940083 A CN111940083 A CN 111940083A CN 202010789944 A CN202010789944 A CN 202010789944A CN 111940083 A CN111940083 A CN 111940083A
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- crushing
- magnetic separation
- conveyor belt
- zinc
- feeding pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/144—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with axially elongated knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2258—Feed means of screw type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses magnetic separation equipment for a zinc-containing dust and sludge treatment process, which comprises a crushing device, a conveyor belt and a magnetic separation device, wherein the conveyor belt is arranged on the crushing device; the discharge end of the crushing device is positioned right above the conveyor belt, the magnetic separation device is positioned above the conveyor belt, and the crushing device is positioned right in front of the magnetic separation device; the two sides of the top of the second support are respectively provided with a cross beam, the two sides of the cross beam are respectively provided with a connecting rod, the cross beam is connected with an installation frame through the connecting rods, the two sides of the installation frame are respectively rotatably provided with a driving roller, a magnetic separation conveying belt is sleeved on the driving roller, the installation frame is positioned in the magnetic separation conveying belt, the middle of the installation frame is provided with a rectangular permanent magnetic plate, one group of driving rollers are connected with a driving mechanism, the magnetic separation conveying belt is positioned right above the driving belt, and the driving belt is perpendicular to the magnetic separation conveying; the magnetic separator has the advantages of simple structure, high automation degree and good magnetic separation effect.
Description
Technical Field
The invention belongs to the technical field of zinc-containing dust and mud, relates to magnetic separation equipment and a method, and particularly relates to magnetic separation equipment and a method for a zinc-containing dust and mud treatment process.
Background
In actual production, iron and steel/nonferrous metallurgy enterprises can generate solid wastes such as dust, mud, slag and the like with different zinc-containing components.
In the prior art, the garbage treatment mode of the zinc-containing dust and mud is mostly landfill and incineration treatment, so that the garbage treatment not only causes a large amount of land waste and secondary pollution, but also causes a large amount of waste of recoverable resources; the existing garbage separation technology is mostly used for manual sorting in a small workshop, the operation mode is low in efficiency, the recovery rate of available resources is low, or a sorting device on the market is selected for screening, the sorting device is low in automation degree and not thorough in screening, and the problem that metal objects which can be recycled are remained in the screened materials is solved.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the garbage treatment mode of the zinc-containing dust and mud is mostly landfill and incineration treatment, so that the garbage treatment not only causes a great deal of land waste and secondary pollution, but also causes a great deal of waste of recoverable resources; the existing garbage separation technology is mostly manual sorting in a small workshop, the operation mode is low in efficiency, the recovery rate of available resources is low, or a sorting device on the market is selected for screening, the sorting device has the problems of low automation degree and incomplete screening, metal substances which can be recycled are remained in the screened materials, and the magnetic separation equipment and the magnetic separation method for the zinc-containing dust and mud treatment process are provided.
The purpose of the invention can be realized by the following technical scheme:
a magnetic separation device used in the zinc-containing dust and mud treatment process comprises a crushing device, a conveyor belt and a magnetic separation device;
the discharge end of the crushing device is positioned right above the conveyor belt, the magnetic separation device is positioned above the conveyor belt, and the crushing device is positioned right in front of the magnetic separation device;
the magnetic separation device comprises a second support, a transmission roller, a magnetic separation conveyor belt, a connecting rod, a mounting frame, a limiting roller, a permanent magnet plate, a blanking hopper, a driving mechanism, a cross beam and a scraper; the two sides of the top of the second support are respectively provided with a cross beam, the two sides of the cross beam are respectively provided with a connecting rod, the cross beam is connected with an installation frame through the connecting rods, the two sides of the installation frame are respectively rotatably provided with a driving roller, a magnetic separation conveying belt is sleeved on the driving roller, the installation frame is positioned in the magnetic separation conveying belt, the middle of the installation frame is provided with a rectangular permanent magnetic plate, one group of driving rollers are connected with a driving mechanism, the magnetic separation conveying belt is positioned right above the driving belt, and the driving belt is perpendicular to the magnetic separation conveying;
the driving mechanism comprises a third motor, a driving chain wheel and a driven chain wheel, the third motor is arranged on the mounting frame through a base, the output end of the third motor is connected with the driving chain wheel, the driving chain wheel is connected with the driven chain wheel through a chain, and the driven chain wheel is mounted on a group of transmission rollers;
the upper and lower both sides of installing frame are provided with two sets of spacing rollers respectively side by side, and one side that actuating mechanism was kept away from to the second support is provided with down the hopper, and down the hopper is located the magnetic separation conveyer belt under, and the cross-section of hopper is the trapezium structure down, and the area of hopper top surface is greater than the area of hopper bottom surface down, and top surface one side of hopper is provided with the scraper blade down, and the scraper blade slope sets up, and the top of scraper blade and the surface butt of magnetic separation conveyer belt.
Preferably, the crushing device comprises a first bracket, a bin, a feeding mechanism, a crushing box and a crushing piece; smash the box setting on the top surface one side of first support, the feed bin setting is on the top surface opposite side of first support, and the high height that is higher than crushing box of feed bin, feed bin pass through feed mechanism and smash the box and be connected.
Preferably, the feeding mechanism comprises a first feeding pipe, a first motor and a second feeding pipe; the bottom outlet of the bin is provided with a first feeding pipe, the first feeding pipe is arranged in an inclined mode, the other end of the first feeding pipe is provided with a first motor, the output end of the first motor is provided with a feeding screw, the feeding screw is arranged in the first feeding pipe, a top discharge port of the first feeding pipe is vertically provided with a second feeding pipe, and the bottom end of the second feeding pipe extends into a crushing cavity in the crushing box.
Preferably, smash the box and be square structure, and be provided with circular shape crushing chamber in smashing the box, the bottom of smashing the box is provided with rectangular discharge gate, and rectangular discharge gate is located the conveyer belt directly over, smashes the intracavity and is provided with crushing piece.
Preferably, the crushing member comprises a second motor, a driving belt pulley, a driven belt pulley, a connecting shaft, a rotating disc, a first crushing rod, a second crushing rod and a fixed disc; the second motor is installed on first support, the output and the drive pulley of second motor rotate to be connected, drive pulley passes through the belt and is connected with driven pulley, the pot head of connecting axle is equipped with driven pulley, the other end of connecting axle extends to in smashing the chamber in the crushing box, and rotate with smashing the box and be connected, the other end and one side of carousel of connecting axle are connected, the opposite side ring array of carousel is provided with the first crushing stick of multiunit, be provided with the fixed disk with carousel looks adaptation on the inner wall in crushing chamber, ring array is provided with the second crushing stick of multiunit on the fixed disk is close to the lateral wall of carousel.
Preferably, the first crushing rod is positioned between the second crushing rods, and the lengths of the first crushing rod and the second crushing rod are matched with the width of the crushing cavity.
A use method of a magnetic separation device for a zinc-containing dust and sludge treatment process comprises the following steps:
s1, adding a material containing zinc mud into a bin, then starting a first motor to work, driving a feeding screw rod in a first feeding pipe to rotate, so that the material containing zinc mud in the bin is quantitatively conveyed, wherein a second feeding pipe is vertically arranged at a top discharge port of the first feeding pipe, the bottom end of the second feeding pipe extends into a crushing cavity in a crushing box, so that the material containing zinc mud enters a crushing cavity in the crushing box along the second feeding pipe, a plurality of groups of second crushing rods are arranged on a fixed disk close to the side wall of a rotary disk in an annular array manner, so that the material containing zinc mud flows downwards along gaps among the second crushing rods on the fixed disk, a plurality of groups of first crushing rods are arranged on the other side of the rotary disk in an annular array manner, the first crushing rods are positioned among the second crushing rods, so that the rotating first crushing rods cut the falling material containing zinc mud, the first crushing rods are provided with a plurality of groups, so that the first crushing rods can cut and crush the material containing the zinc dust mud for a plurality of times;
s2, the crushed material containing zinc mud falls into a conveyor belt along a discharge hole at the bottom of a crushing box, the conveyor belt is started to work to drive the material containing zinc mud to be conveyed forwards along the conveyor belt, when the material containing zinc mud is conveyed to the position under a magnetic separation device, a mounting frame is positioned inside the magnetic separation conveyor belt, a rectangular permanent magnet plate is arranged in the middle of the mounting frame, magnetic metal waste in the material containing zinc mud is adsorbed on the magnetic separation conveyor belt under the magnetic force action of the permanent magnet plate, meanwhile, a third motor is started to work, a driving chain wheel is connected with a driven chain wheel through a chain, the driven chain wheel is arranged on a group of transmission rollers, the magnetic separation conveyor belt moves, the magnetic metal waste adsorbed on the magnetic separation conveyor belt moves towards a lower hopper, and a scraper is arranged on one side of the top surface of the lower hopper, the scraper blade slope sets up, and the top of scraper blade and the surface butt of magnetic separation conveyer belt for scrape down the hopper under with magnetic metal discarded object under the effect of scraper blade, collect through hopper down again.
Compared with the prior art, the invention has the beneficial effects that: adding a material containing zinc sludge into a bin, starting a first motor to work, and drivingly rotating a feeding screw rod in a first feeding pipe to quantitatively convey the material containing zinc sludge in the bin, wherein a second feeding pipe is vertically arranged at a top discharge port of the first feeding pipe, and the bottom end of the second feeding pipe extends into a crushing cavity in a crushing box, so that the material containing zinc sludge enters the crushing cavity in the crushing box along the second feeding pipe, and a plurality of groups of second crushing rods are arranged on a side wall of a fixed disk close to a rotary disk in an annular array manner, so that the material containing zinc sludge flows downwards along gaps among the second crushing rods on the fixed disk, while a plurality of groups of first crushing rods are arranged on the other side of the rotary disk in an annular array manner, are positioned among the second crushing rods, so that the rotating first crushing rods cut the falling material containing zinc sludge, the first crushing rods are provided with a plurality of groups, so that the first crushing rods can cut and crush the material containing the zinc dust mud for a plurality of times; the crushing device can crush materials for multiple times to make particles fine, thereby avoiding the problems that in the prior art, the material particles are large, metal objects contained in the material particles are difficult to be magnetically separated, and the metal objects can fall off even being magnetically separated, or metal recovered objects contain non-metal impurities after being magnetically separated and collected;
the crushed material containing zinc mud falls onto a conveyor belt along a discharge port at the bottom of a crushing box, the conveyor belt is started to work to drive the material containing zinc mud to be conveyed forwards along the conveyor belt, when the material containing zinc mud is conveyed to the position under a magnetic separation device, a mounting frame is positioned inside the magnetic separation conveyor belt, a rectangular permanent magnetic plate is arranged in the middle of the mounting frame, magnetic metal waste in the material containing zinc mud is adsorbed on the magnetic separation conveyor belt under the magnetic force action of the permanent magnetic plate, meanwhile, a third motor is started to work, a driving chain wheel is connected with a driven chain wheel through a chain, the driven chain wheel is arranged on a group of transmission rollers to enable the magnetic separation conveyor belt to move, and the magnetic metal waste adsorbed on the magnetic separation conveyor belt moves towards a lower hopper, and a scraper is arranged on one side of the top surface of the lower hopper and is obliquely arranged, the top of the scraper is abutted against the surface of the magnetic separation conveyor belt, so that magnetic metal waste is scraped to the discharging hopper under the action of the scraper and then is collected by the discharging hopper, and the magnetic separation device has the advantages of simple structure, high automation degree and good magnetic separation effect; the existing garbage separation technology is mostly used for manual sorting in a small workshop, the operation mode is low in efficiency, the recovery rate of available resources is low, or a sorting device on the market is selected for screening, the sorting device is low in automation degree and not thorough in screening, and the problem that metal objects which can be recycled are remained in the screened materials is solved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the whole of the present invention.
Fig. 2 is a schematic perspective view of the crushing apparatus according to the present invention.
FIG. 3 is a schematic structural view of a magnetic separation apparatus according to the present invention.
FIG. 4 is a schematic perspective view of a magnetic separation apparatus according to the present invention.
Fig. 5 is a perspective view of the crushing member in the present invention.
In the figure: 1. a crushing device; 2. a conveyor belt; 3. a magnetic separation device; 4. a first bracket; 5. a storage bin; 6. a first feeding pipe; 7. a first motor; 8. a second feeding pipe; 9. a crushing box; 10. a second motor; 11. a drive pulley; 12. a driven pulley; 13. a connecting shaft; 14. a turntable; 15. a first crushing bar; 16. a second crushing bar; 17. fixing the disc; 18. a second bracket; 19. a third motor; 20. a drive chain wheel; 21. a driven chain wheel; 22. a driving roller; 23. a magnetic separation conveyor belt; 24. a connecting rod; 25. installing a frame; 26. a limiting roller; 27. a permanent magnet plate; 28. feeding a hopper; 29. a drive mechanism; 30. a cross beam; 31. a scraper.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a magnetic separation apparatus for zinc-containing dust and sludge treatment process includes a crushing device 1, a conveyor belt 2, a magnetic separation device 3;
the discharge end of the crushing device 1 is positioned right above the conveyor belt 2, the magnetic separation device 3 is positioned above the conveyor belt 2, and the crushing device 1 is positioned right in front of the magnetic separation device 3;
the magnetic separation device 3 comprises a second bracket 18, a driving roller 22, a magnetic separation conveyor belt 23, a connecting rod 24, a mounting frame 25, a limiting roller 26, a permanent magnet plate 27, a discharging hopper 28, a driving mechanism 29, a cross beam 30 and a scraper 31; the two sides of the top of the second support 18 are respectively provided with a cross beam 30, the two sides of the cross beam 30 are respectively provided with a connecting rod 24, the cross beam 30 is connected with an installation frame 25 through the connecting rod 24, the two sides of the installation frame 25 are respectively rotatably provided with a driving roller 22, a magnetic separation conveyor belt 23 is sleeved on the driving roller 22, the installation frame 25 is positioned inside the magnetic separation conveyor belt 23, the middle part of the installation frame 25 is provided with a rectangular permanent magnet plate 27, one group of driving rollers 22 is connected with a driving mechanism 29, the magnetic separation conveyor belt 23 is positioned right above the transmission belt 2, and the transmission belt 2 is perpendicular to the magnetic separation conveyor;
the driving mechanism 29 comprises a third motor 19, a driving chain wheel 20 and a driven chain wheel 21, the third motor 19 is arranged on the mounting frame 25 through a base, the output end of the third motor 19 is connected with the driving chain wheel 20, the driving chain wheel 20 is connected with the driven chain wheel 21 through a chain, and the driven chain wheel 21 is mounted on a group of transmission rollers 22;
two sets of limiting rollers 26 are respectively arranged on the upper side and the lower side of the mounting frame 25 side by side, one side, away from the driving mechanism 29, of the second support 18 is provided with a discharging hopper 28, the discharging hopper 28 is positioned under the magnetic separation conveyor belt 23, the cross section of the discharging hopper 28 is of a trapezoidal structure, the area of the top surface of the discharging hopper 28 is larger than that of the bottom surface of the discharging hopper 28, one side of the top surface of the discharging hopper 28 is provided with a scraper 31, the scraper 31 is obliquely arranged, and the top of the scraper 31 is abutted to the surface of the magnetic separation conveyor belt.
The crushing device 1 comprises a first bracket 4, a bin 5, a feeding mechanism, a crushing box 9 and a crushing piece; smash box 9 and set up on top surface one side of first support 4, feed bin 5 sets up on the top surface opposite side of first support 4, and feed bin 5 highly is higher than the height of smashing box 9, and feed bin 5 passes through feed mechanism and is connected with crushing box 9.
The feeding mechanism comprises a first feeding pipe 6, a first motor 7 and a second feeding pipe 8; the bottom outlet of the bin 5 is provided with a first feeding pipe 6, the first feeding pipe 6 is obliquely arranged, the other end of the first feeding pipe 6 is provided with a first motor 7, the output end of the first motor 7 is provided with a feeding screw rod, the feeding screw rod is arranged in the first feeding pipe 6, a top discharge port of the first feeding pipe 6 is vertically provided with a second feeding pipe 8, and the bottom end of the second feeding pipe 8 extends into a crushing cavity in the crushing box 9.
Smash box 9 and be square structure, and be provided with circular shape crushing chamber in smashing box 9, the bottom of smashing box 9 is provided with rectangular discharge gate, and rectangular discharge gate is located conveyer belt 2 directly over, smashes the intracavity and is provided with crushing piece.
The crushing part comprises a second motor 10, a driving belt pulley 11, a driven belt pulley 12, a connecting shaft 13, a rotary disc 14, a first crushing rod 15, a second crushing rod 16 and a fixed disc 17; second motor 10 is installed on first support 4, the output and the drive pulley 11 of second motor 10 rotate and are connected, drive pulley 11 passes through the belt and is connected with driven pulley 12, a pot head of connecting axle 13 is equipped with driven pulley 12, the other end of connecting axle 13 extends to in the crushing chamber in crushing box 9, and rotate with crushing box 9 and be connected, the other end and the one side of carousel 14 of connecting axle 13 are connected, the opposite side annular array of carousel 14 is provided with the first crushing stick 15 of multiunit, be provided with the fixed disk 17 with carousel 14 looks adaptation on the inner wall in crushing chamber, annular array is provided with the second crushing stick 16 of multiunit on the fixed disk 17 is close to the lateral wall of carousel 14.
The first crushing rod 15 is located between the second crushing rods 16, and the length of both the first crushing rod 15 and the second crushing rod 16 is adapted to the width of the crushing cavity.
A use method of a magnetic separation device for a zinc-containing dust and sludge treatment process comprises the following steps:
s1, adding a material containing zinc mud into a bin 5, then starting a first motor 7 to work, driving a feeding screw rod in a first feeding pipe 6 to rotate, so that the material containing zinc mud in the bin 5 is quantitatively conveyed, wherein a second feeding pipe 8 is vertically arranged at a discharge port at the top of the first feeding pipe 6, the bottom end of the second feeding pipe 8 extends into a crushing cavity in a crushing box 9, so that the material containing zinc mud enters the crushing cavity in the crushing box 9 along the second feeding pipe 8, as a plurality of groups of second crushing rods 16 are arranged on the side wall of a fixed disc 17 close to a turntable 14 in an annular array manner, the material containing zinc mud flows downwards along gaps between the second crushing rods 16 on the fixed disc 17, and a plurality of groups of first crushing rods 15 are arranged on the other side wall of the turntable 14 in an annular array manner, the first crushing rods 15 are positioned between the second crushing rods 16, the rotating first crushing rods 15 are used for cutting the falling materials containing the zinc dust mud, and the first crushing rods 15 are provided with a plurality of groups, so that the first crushing rods 15 are used for cutting and crushing the materials containing the zinc dust mud for multiple times;
s2, the crushed material containing zinc mud falls onto the conveyor belt 2 along the discharge hole at the bottom of the crushing box 9, the conveyor belt 2 is started to work to drive the material containing zinc mud to be transported forwards along the conveyor belt 2, when the material containing zinc mud is transported to the position under the magnetic separation device 3, the installation frame 25 is positioned inside the magnetic separation conveyor belt 23, the rectangular permanent magnetic plate 27 is arranged in the middle of the installation frame 25, so that the magnetic metal waste in the material containing zinc mud is adsorbed on the magnetic separation conveyor belt 23 under the magnetic force action of the permanent magnetic plate 27, meanwhile, the third motor 19 is started to work, the driving chain wheel 20 is connected with the driven chain wheel 21 through a chain, the driven chain wheel 21 is arranged on a group of driving rollers 22, the magnetic separation conveyor belt 23 is made to move, and the magnetic metal waste adsorbed on the magnetic separation conveyor belt 23 is moved towards the lower hopper 28, because the scraper 31 is arranged on one side of the top surface of the lower hopper 28, the scraper 31 is obliquely arranged, and the top of the scraper 31 is abutted against the surface of the magnetic separation conveyor belt 23, the magnetic metal waste is scraped to the lower hopper 28 under the action of the scraper 31 and then is collected by the lower hopper 28.
The working principle of the invention is as follows: adding a material containing zinc sludge into a bin 5, starting a first motor 7 to work, driving a feeding screw rod in a first feeding pipe 6 to rotate, so that the material containing the zinc sludge in the bin 5 is quantitatively conveyed, wherein a second feeding pipe 8 is vertically arranged at a top discharge port of the first feeding pipe 6, and the bottom end of the second feeding pipe 8 extends into a crushing cavity in a crushing box 9, so that the material containing the zinc sludge enters the crushing cavity in the crushing box 9 along the second feeding pipe 8, a plurality of groups of second crushing rods 16 are arranged on a fixed disk 17 close to the side wall of a rotary disk 14 in an annular array manner, so that the material containing the zinc sludge flows downwards along a gap between the second crushing rods 16 on the fixed disk 17, a plurality of groups of first crushing rods 15 are arranged on the other side of the rotary disk 14 in an annular array manner, the first crushing rods 15 are positioned between the second crushing rods 16, and the first crushing rods 15 rotate to cut the falling material containing the zinc sludge, the first crushing rods 15 are provided with a plurality of groups, so that the first crushing rods 15 cut and crush the material containing the zinc dust mud for a plurality of times; the crushing device 1 can crush materials for multiple times to make particles fine, thereby avoiding the problems that in the prior art, the material particles are large, metal objects contained in the material particles are difficult to magnetically separate and can fall off even being magnetically separated, or metal recovered objects contain non-metal impurities after being magnetically separated and collected;
the crushed material containing zinc mud falls onto the conveyor belt 2 along a discharge port at the bottom of the crushing box 9, the conveyor belt 2 is started to work to drive the material containing zinc mud to be conveyed forwards along the conveyor belt 2, when the material containing zinc mud is conveyed to the position under the magnetic separation device 3, the mounting frame 25 is positioned inside the magnetic separation conveyor belt 23, the middle part of the mounting frame 25 is provided with the rectangular permanent magnetic plate 27, so that the magnetic metal waste in the material containing zinc mud is adsorbed on the magnetic separation conveyor belt 23 under the magnetic force action of the permanent magnetic plate 27, meanwhile, the third motor 19 is started to work, the driving chain wheel 20 is connected with the driven chain wheel 21 through a chain, the driven chain wheel 21 is arranged on the group of transmission rollers 22, the magnetic separation conveyor belt 23 is made to move, and the magnetic metal waste adsorbed on the magnetic separation conveyor belt 23 is moved towards the lower hopper 28, because the scraping plate 31 is arranged on one side of the top surface of the blanking hopper 28, the scraping plate 31 is obliquely arranged, and the top of the scraping plate 31 is abutted against the surface of the magnetic separation conveying belt 23, so that magnetic metal wastes are scraped to the blanking hopper 28 under the action of the scraping plate 31 and then are collected by the blanking hopper 28, the magnetic separation device 3 has the advantages of simple structure, high automation degree and good magnetic separation effect, the materials are crushed and then subjected to magnetic separation, so that the materials can be fully screened, the magnetic separation efficiency is greatly improved, the problems that in the prior art, most of garbage treatment modes of zinc-containing mud are landfill and incineration treatment are solved, and thus, the garbage treatment not only causes a large amount of land waste and secondary pollution, but also causes a large amount of waste of recoverable resources; the existing garbage separation technology is mostly used for manual sorting in a small workshop, the operation mode is low in efficiency, the recovery rate of available resources is low, or a sorting device on the market is selected for screening, the sorting device is low in automation degree and not thorough in screening, and the problem that metal objects which can be recycled are remained in the screened materials is solved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A magnetic separation equipment for zinc-containing dust and mud treatment process, which is characterized in that: comprises a crushing device (1), a conveyor belt (2) and a magnetic separation device (3);
the discharge end of the crushing device (1) is positioned right above the conveyor belt (2), the magnetic separation device (3) is positioned above the conveyor belt (2), and the crushing device (1) is positioned right in front of the magnetic separation device (3);
the magnetic separation device (3) comprises a second bracket (18), a driving roller (22), a magnetic separation conveyor belt (23), a connecting rod (24), a mounting frame (25), a limiting roller (26), a permanent magnet plate (27), a blanking hopper (28), a driving mechanism (29), a cross beam (30) and a scraper (31); the two sides of the top of the second support (18) are respectively provided with a cross beam (30), two sides of each cross beam (30) are respectively provided with a connecting rod (24), each cross beam (30) is connected with a mounting frame (25) through the corresponding connecting rod (24), two sides of each mounting frame (25) are respectively rotatably provided with a driving roller (22), each driving roller (22) is sleeved with a magnetic separation conveyor belt (23), each mounting frame (25) is located inside each magnetic separation conveyor belt (23), a rectangular permanent magnet plate (27) is arranged in the middle of each mounting frame (25), one group of driving rollers (22) are connected with a driving mechanism (29), each magnetic separation conveyor belt (23) is located right above each transmission belt (2), and the transmission belts (2) and the magnetic separation conveyor belts (23) are perpendicular to each other;
the driving mechanism (29) comprises a third motor (19), a driving chain wheel (20) and a driven chain wheel (21), the third motor (19) is arranged on the mounting frame (25) through a base, the output end of the third motor (19) is connected with the driving chain wheel (20), the driving chain wheel (20) is connected with the driven chain wheel (21) through a chain, and the driven chain wheel (21) is mounted on a group of transmission rollers (22);
two sets of spacing rollers (26) are arranged side by side respectively on the upper and lower both sides of installing frame (25), one side that actuating mechanism (29) was kept away from in second support (18) is provided with down hopper (28), down hopper (28) are located magnetic separation conveyer belt (23) under, and the cross-section of down hopper (28) is trapezium structure, the area of down hopper (28) top surface is greater than the area of down hopper (28) bottom surface, top surface one side of down hopper (28) is provided with scraper blade (31), scraper blade (31) slope sets up, and the top of scraper blade (31) and the surface butt of magnetic separation conveyer belt (23).
2. The magnetic separation equipment for the zinc-containing dust and sludge treatment process according to claim 1, characterized in that the crushing device (1) comprises a first bracket (4), a bin (5), a feeding mechanism, a crushing box (9), a crushing piece; smash box (9) and set up on the top surface one side of first support (4), feed bin (5) set up on the top surface opposite side of first support (4), the height that highly is higher than crushing box (9) of feed bin (5), and feed bin (5) are connected with crushing box (9) through feed mechanism.
3. The magnetic separation equipment for the zinc-containing dust and sludge treatment process according to claim 2, wherein the feeding mechanism comprises a first feeding pipe (6), a first motor (7) and a second feeding pipe (8); the bottom outlet of the bin (5) is provided with a first feeding pipe (6), the first feeding pipe (6) is obliquely arranged, the other end of the first feeding pipe (6) is provided with a first motor (7), the output end of the first motor (7) is provided with a feeding screw rod, the feeding screw rod is arranged in the first feeding pipe (6), a second feeding pipe (8) is vertically arranged at the top discharge port of the first feeding pipe (6), and the bottom end of the second feeding pipe (8) extends into a crushing cavity in the crushing box (9).
4. The magnetic separation equipment for the zinc-containing dust and sludge treatment process is characterized in that the crushing box (9) is of a square structure, a circular crushing cavity is arranged in the crushing box (9), a rectangular discharge hole is formed in the bottom of the crushing box (9), the rectangular discharge hole is located right above the conveyor belt (2), and a crushing piece is arranged in the crushing cavity.
5. The magnetic separation equipment for the zinc-containing dust and sludge treatment process according to claim 2, characterized in that the crushing members comprise a second motor (10), a driving pulley (11), a driven pulley (12), a connecting shaft (13), a rotating disc (14), a first crushing bar (15), a second crushing bar (16), a fixed disc (17); second motor (10) are installed on first support (4), the output and the drive pulley (11) of second motor (10) rotate and are connected, drive pulley (11) are connected with driven pulley (12) through the belt, the pot head of connecting axle (13) is equipped with driven pulley (12), the other end of connecting axle (13) extends to in the crushing chamber in smashing box (9), and rotate with smashing box (9) and be connected, the other end of connecting axle (13) is connected with one side of carousel (14), the opposite side annular array of carousel (14) is provided with the first crushing stick (15) of multiunit, be provided with on the inner wall in crushing chamber with fixed disk (17) of carousel (14) looks adaptation, annular array is provided with the second of multiunit and smashes stick (16) on fixed disk (17) are close to the lateral wall of carousel (14).
6. A magnetic separation apparatus for zinc containing dust and sludge treatment process according to claim 5, characterized in that the first crushing bar (15) is located between the second crushing bars (16), and the length of both the first crushing bar (15) and the second crushing bar (16) is adapted to the width of the crushing chamber.
7. Use of a magnetic separation plant for a zinc containing dust treatment process according to any of claims 1 to 6, characterized in that it comprises the following steps:
s1, adding a material containing zinc mud into a bin (5), then starting a first motor (7) to work, driving a feeding screw rod in a first feeding pipe (6) to rotate, so that the material containing the zinc mud in the bin (5) is quantitatively conveyed, because a second feeding pipe (8) is vertically arranged at a discharge port at the top of the first feeding pipe (6), the bottom end of the second feeding pipe (8) extends into a crushing cavity in a crushing box (9), so that the material containing the zinc mud enters the crushing cavity in the crushing box (9) along the second feeding pipe (8), because a plurality of groups of second crushing rods (16) are arranged on the side wall, close to a turntable (14), of a fixed disk (17) in an annular array manner, the material containing the zinc mud flows downwards along gaps between the second crushing rods (16) on the fixed disk (17), and a plurality of groups of first crushing rods (15) are arranged on the other side of the turntable (14) in an annular array manner, the first crushing rods (15) are positioned between the second crushing rods (16), so that the falling materials containing the zinc mud are cut by the rotating first crushing rods (15), and multiple groups of the first crushing rods (15) are arranged, so that the materials containing the zinc mud are cut and crushed by the first crushing rods (15) for multiple times;
s2, the crushed material containing zinc mud falls onto the conveyor belt (2) along a discharge port at the bottom of the crushing box (9), the conveyor belt (2) is started to work to drive the material containing zinc mud to be conveyed forwards along the conveyor belt (2), when the material containing zinc mud is conveyed to a position right below the magnetic separation device (3), the installation frame (25) is positioned inside the magnetic separation conveyor belt (23), the middle part of the installation frame (25) is provided with the rectangular permanent magnet plate (27), so that under the magnetic force action of the permanent magnet plate (27), the magnetic metal waste in the material containing zinc mud is adsorbed on the magnetic separation conveyor belt (23), meanwhile, the third motor (19) is started to work, the driving chain wheel (20) and the driven chain wheel (21) pass through the chain, the driven chain wheel (21) is installed on the group of transmission rollers (22), so that the magnetic separation conveyor belt (23) moves, and the magnetic metal waste adsorbed on the magnetic separation conveying belt (23) moves towards the lower hopper (28), because one side of the top surface of the lower hopper (28) is provided with the scraper (31), the scraper (31) is obliquely arranged, and the top of the scraper (31) is abutted against the surface of the magnetic separation conveying belt (23), the magnetic metal waste is scraped to the lower hopper (28) under the action of the scraper (31), and then is collected by the lower hopper (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789944.7A CN111940083A (en) | 2020-08-07 | 2020-08-07 | Magnetic separation equipment and method for zinc-containing dust and mud treatment process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789944.7A CN111940083A (en) | 2020-08-07 | 2020-08-07 | Magnetic separation equipment and method for zinc-containing dust and mud treatment process |
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