CN113649165B - Dry magnetic separation structure for nonmetallic mineral unloading and magnetic separation method thereof - Google Patents
Dry magnetic separation structure for nonmetallic mineral unloading and magnetic separation method thereof Download PDFInfo
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- CN113649165B CN113649165B CN202110835353.3A CN202110835353A CN113649165B CN 113649165 B CN113649165 B CN 113649165B CN 202110835353 A CN202110835353 A CN 202110835353A CN 113649165 B CN113649165 B CN 113649165B
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- rotating shaft
- mineral aggregate
- permanent magnet
- movable plate
- enabling
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 94
- 239000011707 mineral Substances 0.000 title claims abstract description 94
- 238000007885 magnetic separation Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000006249 magnetic particle Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 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
- 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
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
- B65G47/20—Arrangements or applications of hoppers or chutes the hoppers or chutes being movable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Mechanical Conveyors (AREA)
Abstract
The invention relates to the field of mining production equipment, in particular to a dry magnetic separation structure for nonmetallic mineral unloading and a magnetic separation method thereof, which comprise a bracket, wherein a permanent magnet roller is rotatably arranged on the bracket, a driving rotating shaft is rotatably arranged on one side of the bracket, which is far away from the permanent magnet roller, the driving rotating shaft is sleeved with a power roller, a conveying belt is arranged between the permanent magnet roller and the power roller, and a supporting plate fixed on the bracket is also arranged between the permanent magnet roller and the power roller. According to the invention, under the action of the reciprocating component and the vibration component, mineral aggregate is uniformly distributed on the conveying belt, and magnetic particles are distributed below the mineral aggregate layer and are tightly attached to the conveying belt, when the mineral aggregate is conveyed to the permanent magnet roller, the magnetic particles in the mineral aggregate can be more fully adsorbed by the permanent magnet roller, so that the phenomenon that the mineral aggregate is unevenly distributed, and the magnetic particles are mixed above the mineral aggregate layer and cannot be fully adsorbed by the permanent magnet roller, so that the magnetic separation effect is poor is avoided.
Description
Technical Field
The invention relates to the field of mineral production equipment, in particular to a dry magnetic separation structure for nonmetallic mineral unloading and a magnetic separation method thereof.
Background
The magnetic separator is various in types, mainly uses magnetic attraction to carry out iron removal operation on nonmetallic mineral materials such as coal, so that the purity of the nonmetallic mineral materials is higher, the conventional dry magnetic separator generally conveys the mineral materials to the permanent magnet roller through a conveying belt, along with the rotation of the permanent magnet roller, nonmetallic particles in the mineral materials can be thrown out under the centrifugal action when the belt bypasses the permanent magnet roller, the metallic particles can be adsorbed by the permanent magnet roller to rotate downwards on the surface of the belt, and the nonmetallic mineral materials can fall down due to the magnetic attraction when the metallic particles are far away from the permanent magnet roller, so that the aim of separating the nonmetallic mineral materials from the metallic mineral materials is achieved.
However, the mineral aggregate which falls onto the belt from the hopper is easily accumulated and gathered into a strip shape, so that the mineral aggregate is unevenly distributed on the belt, and if the magnetic particles are gathered above the mineral aggregate layer, the permanent magnet roller cannot sufficiently adsorb the magnetic particles, so that the magnetic separation effect is poor.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides a dry magnetic separation structure for nonmetallic mineral unloading and a magnetic separation method thereof.
The invention adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps:
The utility model provides a nonmetallic mineral is unloaded and is used dry-type magnetic separation structure, includes the support, rotate on the support and be provided with permanent magnetism kun-rou, the support is last to be kept away from the one side rotation of permanent magnetism kun-rou is provided with the initiative pivot, cup joint power kun-rou on the initiative pivot, the permanent magnetism kun-rou with be provided with the conveyer between the power kun-rou, the permanent magnetism kun-rou with still be provided with the backup pad that is fixed in on the support between the power kun-rou, be provided with the fly leaf between the backup pad with the bottom surface of conveyer, the fixed surface of fly leaf has the magnetic path, the below of permanent magnetism kun-rou is provided with first silo, one side of first silo is provided with the second silo, the top position of conveyer is provided with the distributing device, the top of support be fixed with the feeder that is linked together with the distributing device.
The movable plate is arranged between the support plate and the movable plate, a vibration component acting on the movable plate is arranged between the support plate and the movable plate, and a reciprocating component acting on the distributing device is arranged between the distributing device and the support.
As a further scheme of the invention: the vibration assembly comprises a first driven rotating shaft rotationally arranged below the movable plate, an eccentric wheel sleeved on the surface of the first driven rotating shaft, and a roller rotationally arranged at the bottom end of the movable plate and contacted with the eccentric wheel;
the elastic pushing component acting on the movable plate is arranged between the supporting plate and the movable plate, and the first transmission component acting on the first driven rotating shaft is arranged between the first driven rotating shaft and the driving rotating shaft.
As still further aspects of the invention: the elastic pushing component comprises a sleeve fixed on the supporting plate, a round rod which is arranged in the sleeve in a sliding manner and fixedly connected with the bottom end of the movable plate, a fixed baffle fixed at the bottom end of the round rod, and a spring sleeved on the surface of the round rod and in a compressed state;
The spring and the fixed baffle are arranged in the sleeve, one end of the spring is abutted against the top end of the fixed baffle, and the other end of the spring is abutted against the inner wall of the sleeve.
As still further aspects of the invention: the first transmission assembly comprises a first round gear fixedly sleeved on the driving rotating shaft, a second round gear fixedly sleeved on the first driven rotating shaft, and a first internal tooth belt arranged between the first round gear and the second round gear.
As still further aspects of the invention: the movable plate is rotatably provided with a support roller, and the support roller and the magnetic blocks are alternately distributed on the top surface of the movable plate.
As still further aspects of the invention: the reciprocating movement assembly comprises a second driven rotating shaft, a connecting rod, an inserting rod, a strip-shaped plate and a strip-shaped groove, wherein the second driven rotating shaft is rotatably arranged on a top plate of the bracket, the connecting rod is fixed at the bottom end of the second driven rotating shaft, the inserting rod is fixed on the surface of the connecting rod, the strip-shaped plate is slidably arranged on the bracket and is fixedly connected with the distributing device, and one end of the inserting rod is arranged on the strip-shaped plate for being inserted into the strip-shaped groove;
The guide assembly for sliding the strip-shaped plate is arranged between the strip-shaped plate and the support, and the second transmission assembly acting on the second driven rotating shaft is arranged between the second driven rotating shaft and the driving rotating shaft.
As still further aspects of the invention: the guide assembly comprises a sliding rod fixed on the support and a sliding sleeve which is arranged on the surface of the sliding rod in a sliding manner and fixedly connected with the strip-shaped plate.
As still further aspects of the invention: the second transmission assembly comprises a first bevel gear fixedly sleeved on the driving rotating shaft, a third driven rotating shaft rotatably arranged on the support, a second bevel gear sleeved at the bottom end of the third driven rotating shaft and meshed with the first bevel gear, a third round gear sleeved at the top end of the third driven rotating shaft, a fourth round gear sleeved on the second driven rotating shaft, and a second internal tooth belt arranged between the third round gear and the fourth round gear.
As still further aspects of the invention: the conveyer belt is provided with flanges, and the flanges are symmetrically arranged on two sides of the conveyer belt.
A magnetic separation method of a dry magnetic separation structure for nonmetallic mineral unloading comprises the following steps:
S1, one end of a driving rotating shaft is connected to an output shaft of a motor, the motor is started to drive the driving rotating shaft to rotate, a power roller wheel on the surface of the driving rotating shaft is driven to rotate when the driving rotating shaft rotates, a conveying belt is driven to drive the permanent magnet roller wheel to rotate when the power roller wheel rotates, and meanwhile the permanent magnet roller wheel also rotates under the driving action of the conveying belt;
s2, enabling the reciprocating movement assembly to act on the distributing device while the driving rotating shaft rotates, enabling the distributing device to horizontally reciprocate above the conveying belt, conveying mineral aggregate needing to be magnetically separated into the feeding hopper at the top end of the support, enabling the mineral aggregate to slide downwards into the distributing device, enabling the mineral aggregate falling into the distributing device to uniformly fall onto the surface of the conveying belt along with the reciprocating moving of the distributing device, enabling the conveying belt to drive the mineral aggregate to be conveyed towards the direction of the permanent magnet roller, enabling the mineral aggregate on the conveying belt to be distributed uniformly and not to gather into strips;
S3, enabling the vibration assembly to act on the movable plate while the driving rotating shaft rotates, enabling the movable plate to vibrate vertically at the bottom end of the conveying belt, enabling the movable plate to convey mineral aggregate forwards on the conveying belt to be subjected to vibration when being contacted with the conveying belt, enabling magnetic blocks on the surface of the movable plate to generate magnetic attraction on magnetic substances in the mineral aggregate, enabling the magnetic particles to be arranged below the mineral aggregate layer under the effect of the magnetic attraction and cling to the surface of the conveying belt when the mineral aggregate is subjected to vibration, and enabling non-magnetic mineral aggregate particles to be distributed above the mineral aggregate layer;
S4, when mineral aggregate raw materials are conveyed to the permanent magnet roller along with the conveyor belt, nonmagnetic mineral particles are directly thrown into the first trough under the centrifugal action, and the magnetic particles are adsorbed by the permanent magnet roller and then attached to the surface of the conveyor belt and rotate downwards along with the permanent magnet roller.
After adopting the structure, compared with the prior art, the invention has the following advantages: the motor drives the driving rotating shaft to rotate and simultaneously drives the conveying belt to drive the permanent magnet roller, and meanwhile, the reciprocating moving assembly can drive the distributing device to horizontally reciprocate, so that mineral aggregate can be uniformly scattered on the surface of the conveying belt to prevent the mineral aggregate on the conveying belt from being stacked into strips and unevenly distributed, in addition, the vibration assembly can generate vibration action on the mineral aggregate on the conveying belt, magnetic particles are distributed on the lower layer and cling to the surface of the conveying belt due to the adsorption action of the magnetic blocks when the mineral aggregate is subjected to vibration, and because the mineral aggregate is uniformly distributed on the conveying belt and the magnetic particles are distributed below the mineral aggregate layer and cling to the conveying belt, when the mineral aggregate is conveyed to the permanent magnet roller, the magnetic particles inside the mineral aggregate are more fully adsorbed by the permanent magnet roller, so that the mineral aggregate is prevented from being unevenly distributed, and the magnetic particles cannot be fully adsorbed on the upper side of the mineral aggregate layer, and the magnetic separation effect is poor.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic elevational view of the structure of the present invention.
FIG. 3 is a schematic view of the structure of the distributor and hopper of the present invention.
Fig. 4 is a schematic structural view of a third circular gear and a fourth circular gear in the present invention.
Fig. 5 is a schematic structural view of a guide assembly according to the present invention.
Fig. 6 is a schematic structural diagram of a vibration assembly according to the present invention.
FIG. 7 is a schematic diagram of a magnetic block and a supporting roller in the present invention.
FIG. 8 is a schematic view of an elastic pushing assembly according to the present invention.
In the figure: 1. a bracket; 2. permanent magnet roll wheels; 3. a driving rotating shaft; 4. a conveyor belt; 5. a support plate; 6. a movable plate; 7. a magnetic block; 8. a first trough; 9. a second trough; 10. a distributing device; 11. a feed hopper; 12. a first driven rotating shaft; 13. an eccentric wheel; 14. a roller; 15. a sleeve; 16. a round bar; 17. fixing the baffle; 18. a spring; 19. a first circular gear; 20. a second circular gear; 21. a first internal toothed belt; 22. a support roller; 23. a second driven rotating shaft; 24. a connecting rod; 25. a rod; 26. a strip-shaped plate; 27. a bar-shaped groove; 28. a slide rod; 29. a sliding sleeve; 30. a power roller; 31. a first bevel gear; 32. a third driven rotating shaft; 33. a second bevel gear; 34. a third round gear; 35. a fourth round gear; 36. a second internal toothed belt; 37. and (5) a flange.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, in the embodiment of the present invention, a dry magnetic separation structure for unloading nonmetallic minerals includes a bracket 1, a permanent magnet roller 2 is rotatably disposed on the bracket 1, a driving rotating shaft 3 is rotatably disposed on one side of the bracket 1 far away from the permanent magnet roller 2, a power roller 30 is sleeved on the driving rotating shaft 3, a conveyor belt 4 is disposed between the permanent magnet roller 2 and the power roller 30, a supporting plate 5 fixed on the bracket 1 is further disposed between the permanent magnet roller 2 and the power roller 30, a movable plate 6 is disposed between the supporting plate 5 and a bottom surface of the conveyor belt 4, a magnetic block 7 is fixed on a surface of the movable plate 6, a first trough 8 is disposed below the permanent magnet roller 2, a second trough 9 is disposed on one side of the first trough 8, a distributor 10 is disposed above the conveyor belt 4, and a distributor 11 communicated with the feeder hopper 10 is fixed on a top end of the bracket 1;
Wherein a vibration component acting on the movable plate 6 is arranged between the supporting plate 5 and the movable plate 6, and a reciprocating component acting on the distributing device 10 is arranged between the distributing device 10 and the bracket 1;
The motor drives the driving rotating shaft 3 to rotate and simultaneously drives the conveying belt 4 to drive the direction of the permanent magnet roller 2, and meanwhile, the reciprocating movement assembly drives the distributing device 10 to horizontally reciprocate, so that mineral aggregate can be uniformly scattered on the surface of the conveying belt 4 to prevent the mineral aggregate on the conveying belt 4 from being stacked into strips and unevenly distributed, in addition, the vibration assembly can generate vibration action on the mineral aggregate on the conveying belt 4, magnetic particles are distributed on the lower layer and cling to the surface of the conveying belt 4 due to the adsorption action of the magnetic blocks 7 when the mineral aggregate is subjected to vibration, and because the mineral aggregate is uniformly distributed on the conveying belt 4 and the magnetic particles are distributed below a mineral aggregate layer and cling to the conveying belt 4, when the mineral aggregate is conveyed to the permanent magnet roller 2, the magnetic particles inside the mineral aggregate are more fully adsorbed by the permanent magnet roller 2, so that the mineral aggregate is prevented from being unevenly distributed, and the magnetic particles cannot be fully adsorbed by the permanent magnet roller 2, and the magnetic separation effect is poor.
In one embodiment of the present invention, the vibration assembly includes a first driven rotating shaft 12 rotatably disposed at a position below the movable plate 6, an eccentric wheel 13 sleeved on a surface of the first driven rotating shaft 12, and a roller 14 rotatably disposed at a bottom end of the movable plate 6 and in contact with the eccentric wheel 13;
An elastic pushing component acting on the movable plate 6 is arranged between the supporting plate 5 and the movable plate 6, and a first transmission component acting on the first driven rotating shaft 12 is arranged between the first driven rotating shaft 12 and the driving rotating shaft 3;
the driving rotating shaft 3 rotates, the first transmission component acts on the first driven rotating shaft 12 to enable the first driven rotating shaft 12 to rotate, the first driven rotating shaft 12 drives the eccentric wheel 13 on the surface of the first driven rotating shaft to rotate, the movable plate 6 always receives downward acting force under the action of the elastic pushing component, the roller 14 at the bottom end of the movable plate 6 is always clung to the surface of the eccentric wheel 13 under the acting force, the roller 14 in contact with the eccentric wheel 13 can be continuously pushed when the eccentric wheel 13 rotates, the roller 14 can drive the movable plate 6 to vibrate vertically under the pushing action, and mineral aggregate on the surface of the conveyor belt 4 is vibrated when the movable plate 6 is in contact with the conveyor belt 4.
In another embodiment of the present invention, the elastic pushing assembly includes a sleeve 15 fixed on the supporting plate 5, a round rod 16 slidably disposed inside the sleeve 15 and fixedly connected to the bottom end of the movable plate 6, a fixed stop piece 17 fixed on the bottom end of the round rod 16, and a spring 18 sleeved on the surface of the round rod 16 and in a compressed state;
The spring 18 and the fixed baffle 17 are both disposed inside the sleeve 15, one end of the spring 18 abuts against the top end of the fixed baffle 17, and the other end of the spring 18 abuts against the inner wall of the sleeve 15;
The round bar 16 can slide vertically inside the sleeve 15, and since the spring 18 is in a compressed state, the spring 18 always exerts a downward elastic force on the fixed retainer 17, and the elastic force is transmitted to the movable plate 6 through the round bar 16, so that the movable plate 6 always receives a downward acting force.
In yet another embodiment of the present invention, the first transmission assembly includes a first circular gear 19 fixedly sleeved on the driving shaft 3, a second circular gear 20 fixedly sleeved on the first driven shaft 12, and a first internal toothed belt 21 disposed between the first circular gear 19 and the second circular gear 20;
the driving shaft 3 will drive the first circular gear 19 to rotate when rotating, the first circular gear 19 will drive the second circular gear 20 to rotate through the transmission action of the first internal tooth belt 21 while rotating, and the first driven shaft 12 will rotate under the driving action of the second circular gear 20.
In a further embodiment of the present invention, a support roller 22 is rotatably disposed on the movable plate 6, and the support roller 22 and the magnetic blocks 7 are alternately distributed on the top surface of the movable plate 6;
The supporting roller 22 is in rolling contact with the conveyor belt 4, so that the movable plate 6 can be prevented from being in direct contact with the surface of the conveyor belt 4 to generate larger resistance to the transmission of the conveyor belt 4, and the supporting roller 22 and the magnetic blocks 7 are alternately distributed at the top end of the movable plate 6, so that the supporting roller 22 can not influence the adsorption of the magnetic blocks 7 on the surface of the conveyor belt 4.
In yet another embodiment of the present invention, the reciprocating assembly includes a second driven rotating shaft 23 rotatably disposed on a top plate of the bracket 1, a connecting rod 24 fixed to a bottom end of the second driven rotating shaft 23, a plunger 25 fixed to a surface of the connecting rod 24, a bar 26 slidably disposed on the bracket 1 and fixedly connected to the distributor 10, and a bar slot 27 opened on the bar 26 for inserting one end of the plunger 25;
wherein, a guiding component for sliding the strip-shaped plate 26 is arranged between the strip-shaped plate 26 and the bracket 1, and a second transmission component acting on the second driven rotating shaft 23 is arranged between the second driven rotating shaft 23 and the driving rotating shaft 3;
When the driving rotating shaft 3 rotates, the second transmission component acts on the second driven rotating shaft 23 to rotate, the second driven rotating shaft 23 drives the connecting rod 24 to rotate, the connecting rod 24 drives the inserted link 25 on the surface of the connecting rod to rotate, when the strip-shaped plate 26 is driven to move, the strip-shaped plate 26 can keep horizontally moving along the direction of the guide component, one end of the inserted link 25 is inserted into the strip-shaped groove 27, and when the inserted link 25 rotates, the inserted link 26 acts on the strip-shaped plate 26, so that the strip-shaped plate 26 is driven to reciprocate, and finally the strip-shaped plate 26 drives the distributor 10 to horizontally reciprocate.
In yet another embodiment of the present invention, the guiding assembly comprises a sliding rod 28 fixed on the bracket 1, and a sliding sleeve 29 slidably arranged on the surface of the sliding rod 28 and fixedly connected with the strip-shaped plate 26;
When the bar 26 is driven, the sliding sleeve 29 slides on the surface of the sliding rod 28 under the driving action of the bar 26, and at this time, the bar 26 keeps sliding horizontally along the direction of the sliding rod 28 under the limiting action of the sliding rod 28 and the sliding sleeve 29.
In yet another embodiment of the present invention, the second transmission assembly includes a first bevel gear 31 fixedly sleeved on the driving shaft 3, a third driven shaft 32 rotatably disposed on the bracket 1, a second bevel gear 33 sleeved on the bottom end of the third driven shaft 32 and meshed with the first bevel gear 31, a third round gear 34 sleeved on the top end of the third driven shaft 32, a fourth round gear 35 sleeved on the second driven shaft 23, and a second internal tooth belt 36 disposed between the third round gear 34 and the fourth round gear 35;
When the driving shaft 3 rotates, the first bevel gear 31 is driven to rotate, the first bevel gear 31 drives the second bevel gear 33 meshed with the first bevel gear to rotate, and then drives the third driven shaft 32 to rotate, the third driven shaft 32 drives the third round gear 34 at the top end of the third driven shaft to rotate, the third round gear 34 drives the fourth round gear 35 to rotate under the driving action of the second internal tooth belt 36, and finally the second driven shaft 23 is driven to rotate under the driving action of the fourth round gear 35.
In a further embodiment of the present invention, the conveyor belt 4 is provided with ribs 37, and the ribs 37 are symmetrically disposed on two sides of the conveyor belt 4;
the ribs 37 prevent mineral aggregate on the conveyor belt 4 from falling out of the sides of the conveyor belt 4 during transport, thereby avoiding loss of mineral aggregate during transport.
A magnetic separation method of a dry magnetic separation structure for nonmetallic mineral unloading comprises the following steps:
S1, one end of a driving rotating shaft 3 is connected to an output shaft of a motor, the motor is started to drive the driving rotating shaft 3 to rotate, a power roller 30 on the surface of the driving rotating shaft 3 is driven to rotate when the driving rotating shaft 3 rotates, a conveying belt 4 is driven to drive the permanent magnet roller 2 to rotate when the power roller 30 rotates, and meanwhile the permanent magnet roller 2 also rotates under the driving action of the conveying belt 4;
S2, enabling the reciprocating movement assembly to act on the distributing device 10 while the driving rotating shaft 3 rotates, enabling the distributing device 10 to horizontally reciprocate above the conveying belt 4, conveying mineral aggregate needing to be magnetically separated into a feeding hopper 11 at the top end of the support 1, enabling the mineral aggregate to slide down into the distributing device 10, enabling the mineral aggregate falling into the distributing device 10 to uniformly fall onto the surface of the conveying belt 4 along with the reciprocating moving distributing device 10, enabling the conveying belt 4 to drive the mineral aggregate to be conveyed towards the direction of the permanent magnet roller 2, enabling the mineral aggregate on the conveying belt 4 to be distributed uniformly and not to be gathered into a strip shape;
S3, enabling the vibration component to act on the movable plate 6 while the driving rotating shaft 3 rotates, enabling the movable plate 6 to vibrate vertically at the bottom end of the conveying belt 4, enabling the conveying belt 4 to convey mineral aggregate forwards to be subjected to vibration when the movable plate 6 vibrating vertically contacts the conveying belt 4, enabling the magnetic blocks 7 on the surface of the movable plate 6 to generate magnetic attraction on magnetic substances in the mineral aggregate, enabling the magnetic particles to be arranged below the mineral aggregate layer under the effect of the magnetic attraction and cling to the surface of the conveying belt 4 when the mineral aggregate is subjected to vibration, and enabling the non-magnetic mineral aggregate particles to be distributed above the mineral aggregate layer;
S4, when mineral aggregate raw materials are conveyed to the permanent magnet roller 2 along with the conveyor belt 4, nonmagnetic mineral particles are directly thrown into the first trough 8 under the centrifugal action, and magnetic particles are adsorbed by the permanent magnet roller 2 and then attached to the surface of the conveyor belt 4 and rotate downwards along with the permanent magnet roller 2, and when the magnetic particles attached to the conveyor belt 4 are far away from the permanent magnet roller 2, the magnetic attraction force of the particles is weakened, so that the particles fall into the second trough 9 below.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (8)
1. The utility model provides a nonmetallic mineral is dry-type magnetic separation structure for unloading, includes support (1), its characterized in that, rotate on support (1) and be provided with permanent magnetism kun-take turns (2), be away from on support (1) one side rotation of permanent magnetism kun-take turns (2) is provided with initiative pivot (3), cup joint power kun-take turns (30) on initiative pivot (3), be provided with conveyer belt (4) between permanent magnetism kun-take turns (2) and power kun-take turns (30), still be provided with between permanent magnetism kun-take turns (2) with power kun-take turns (30) and be fixed in backup pad (5) on support (1), backup pad (5) with be provided with fly leaf (6) between the bottom surface of conveyer belt (4), the surface of fly leaf (6) is fixed with magnetic path (7), the below position of permanent magnetism kun-take turns (2) is provided with first silo (8), one side of first silo (8) is provided with second silo (9), the top of conveyer hopper (10) is provided with the fixed hopper (10) of conveyer (1);
wherein a vibration component acting on the movable plate (6) is arranged between the supporting plate (5) and the movable plate (6), and a reciprocating component acting on the distributor (10) is arranged between the distributor (10) and the bracket (1);
The reciprocating movement assembly comprises a second driven rotating shaft (23) rotatably arranged on a top plate of the bracket (1), a connecting rod (24) fixed at the bottom end of the second driven rotating shaft (23), an inserting rod (25) fixed on the surface of the connecting rod (24), a strip-shaped plate (26) slidably arranged on the bracket (1) and fixedly connected with the distributing device (10), and a strip-shaped groove (27) formed in the strip-shaped plate (26) for inserting one end of the inserting rod (25);
Wherein a guiding component for sliding the strip-shaped plate (26) is arranged between the strip-shaped plate (26) and the bracket (1), and a second transmission component acting on the second driven rotating shaft (23) is arranged between the second driven rotating shaft (23) and the driving rotating shaft (3);
The second transmission assembly comprises a first bevel gear (31) fixedly sleeved on the driving rotating shaft (3), a third driven rotating shaft (32) rotatably arranged on the support (1), a second bevel gear (33) sleeved at the bottom end of the third driven rotating shaft (32) and meshed with the first bevel gear (31), a third round gear (34) sleeved at the top end of the third driven rotating shaft (32), a fourth round gear (35) sleeved on the second driven rotating shaft (23), and a second internal tooth belt (36) arranged between the third round gear (34) and the fourth round gear (35).
2. The dry magnetic separation structure for nonmetallic mineral discharge according to claim 1, characterized in that the vibration assembly comprises a first driven rotating shaft (12) rotatably arranged below the movable plate (6), an eccentric wheel (13) sleeved on the surface of the first driven rotating shaft (12), and a roller (14) rotatably arranged at the bottom end of the movable plate (6) and contacted with the eccentric wheel (13);
the elastic pushing assembly acting on the movable plate (6) is arranged between the supporting plate (5) and the movable plate (6), and the first transmission assembly acting on the first driven rotating shaft (12) is arranged between the first driven rotating shaft (12) and the driving rotating shaft (3).
3. The dry magnetic separation structure for nonmetallic mineral unloading according to claim 2, characterized in that the elastic pushing component comprises a sleeve (15) fixed on the supporting plate (5), a round rod (16) which is arranged in the sleeve (15) in a sliding manner and fixedly connected with the bottom end of the movable plate (6), a fixed baffle (17) fixed at the bottom end of the round rod (16), and a spring (18) sleeved on the surface of the round rod (16) in a compressed state;
The spring (18) and the fixed baffle (17) are both arranged in the sleeve (15), one end of the spring (18) is in contact with the top end of the fixed baffle (17), and the other end of the spring (18) is in contact with the inner wall of the sleeve (15).
4. The dry magnetic separation structure for nonmetallic mineral discharge according to claim 2, characterized in that the first transmission assembly comprises a first round gear (19) fixedly sleeved on the driving rotating shaft (3), a second round gear (20) fixedly sleeved on the first driven rotating shaft (12), and a first internal tooth belt (21) arranged between the first round gear (19) and the second round gear (20).
5. The dry magnetic separation structure for nonmetallic mineral unloading according to claim 1, characterized in that a support roller wheel (22) is rotatably arranged on the movable plate (6), and the support roller wheel (22) and the magnetic blocks (7) are alternately distributed on the top end surface of the movable plate (6).
6. The dry magnetic separation structure for nonmetallic mineral discharge according to claim 1, characterized in that the guide assembly comprises a slide rod (28) fixed on the bracket (1), and a sliding sleeve (29) slidingly arranged on the surface of the slide rod (28) and fixedly connected with the strip-shaped plate (26).
7. The dry magnetic separation structure for nonmetallic mineral discharge according to claim 1, characterized in that the conveyor belt (4) is provided with flanges (37), and the flanges (37) are symmetrically arranged at two sides of the conveyor belt (4).
8. The magnetic separation method of the dry magnetic separation structure for nonmetallic mineral unloading is characterized by comprising the following steps of:
The driving motor is started to drive the driving rotating shaft (3) to rotate, the driving rotating shaft (3) can drive the power roller wheel (30) on the surface of the driving rotating shaft to rotate, the power roller wheel (30) can drive the conveying belt (4) to drive the permanent magnet roller wheel (2) to rotate when rotating, and meanwhile the permanent magnet roller wheel (2) can also rotate under the drive action of the conveying belt (4);
S2, enabling the reciprocating movement assembly to act on the distributing device (10) while the driving rotating shaft (3) rotates, enabling the distributing device (10) to horizontally reciprocate at the upper position of the conveying belt (4), conveying mineral aggregate needing to be magnetically separated into a feed hopper (11) at the top end of the support (1), enabling the mineral aggregate to slide downwards into the distributing device (10), enabling the mineral aggregate falling into the distributing device (10) to uniformly fall onto the surface of the conveying belt (4) along with the reciprocating moving distributing device (10), enabling the conveying belt (4) to drive the mineral aggregate to be conveyed towards the direction of the permanent magnet roller (2), enabling the mineral aggregate on the conveying belt (4) to be distributed uniformly and not to be gathered into strips;
S3, enabling the vibration component to act on the movable plate (6) while the driving rotating shaft (3) rotates, enabling the movable plate (6) to vibrate vertically at the bottom end of the conveying belt (4), enabling the movable plate (6) vibrating vertically to convey mineral aggregate forwards on the conveying belt (4) to be subjected to vibration action when contacting the conveying belt (4), enabling the magnetic blocks (7) on the surface of the movable plate (6) to generate magnetic attraction action on magnetic substances in the mineral aggregate, enabling the magnetic particles to be arranged below the mineral aggregate layer under the action of the magnetic attraction and cling to the surface of the conveying belt (4), and enabling the non-magnetic mineral aggregate particles to be distributed above the mineral aggregate layer;
S4, when mineral aggregate raw materials are conveyed to the permanent magnet roller (2) along with the conveyor belt (4), nonmagnetic mineral particles can be directly thrown into the first trough (8) under the centrifugal action, and the magnetic particles can be adsorbed by the permanent magnet roller (2), further adhere to the surface of the conveyor belt (4) and rotate downwards along with the permanent magnet roller (2), and when the magnetic particles adhered to the conveyor belt (4) are far away from the permanent magnet roller (2), the magnetic attraction force suffered by the particles is weakened, so that the particles fall into the second trough (9) below.
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| CN116651612B (en) * | 2023-07-31 | 2023-09-29 | 潍坊追日磁电科技有限公司 | Efficient magnetic separator |
| CN116727102B (en) * | 2023-08-15 | 2023-10-10 | 潍坊追日磁电科技有限公司 | Electromagnetic dry powder magnetic separation equipment |
| CN117622825B (en) * | 2024-01-04 | 2024-07-05 | 武安市泓源混凝土有限公司 | Aggregate belt conveying device and method for concrete production |
| CN117531602B (en) * | 2024-01-09 | 2024-03-15 | 芯科众联新材料(山东)有限公司 | Iron removal screening device for high-purity alumina granulated powder and application method of iron removal screening device |
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