CN219424602U - Halbach arrangement type magnetic separation roller - Google Patents
Halbach arrangement type magnetic separation roller Download PDFInfo
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- CN219424602U CN219424602U CN202320435921.5U CN202320435921U CN219424602U CN 219424602 U CN219424602 U CN 219424602U CN 202320435921 U CN202320435921 U CN 202320435921U CN 219424602 U CN219424602 U CN 219424602U
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Abstract
The utility model discloses a halbach arrangement type magnetic separation roller, which belongs to the field of ore separation equipment, and comprises a steel cylinder and a plurality of magnetic steel groups sleeved outside the steel cylinder, wherein two adjacent magnetic steel groups are in close contact; each magnetic steel group comprises n first magnetic shoes, n second magnetic shoes and m third magnetic shoes, wherein m=2n, the first magnetic shoes and the second magnetic shoes are arranged at intervals, gaps exist between the adjacent first magnetic shoes and second magnetic shoes, and the third magnetic shoes are fixed in the gaps between the adjacent first magnetic shoes and second magnetic shoes; the N pole of the first magnetic shoe faces outwards, the N pole of the second magnetic shoe faces inwards, and the N pole of the third magnetic shoe faces towards the adjacent first magnetic shoe. The magnetic steel groups are arranged in the halbach way, so that magnetic force lines on the inner side of the roller are weakened, but magnetic force lines are converged on the outer side of the roller, so that a more ideal unilateral magnetic field is obtained, the surface magnetic field is improved, and the magnetic separation effect is better.
Description
Technical Field
The utility model belongs to the field of ore dressing equipment, and particularly relates to a halbach arrangement type magnetic separation roller.
Background
With the rapid development of the metallurgical industry in China, the quantity of iron ores and iron concentrates required for steel production is continuously increased, and the quality of the iron concentrate is required to be improved in order to implement the fine material guideline. At present, the domestic full recovery and utilization of limited resources are urgent along with the reduction of iron ore resources. In the face of the situation, when the production scale of an iron ore dressing plant is enlarged, more importantly, the ore dressing process flow is optimized, and novel efficient ore dressing equipment is adopted, so that ore dressing production indexes are improved. In the ore dressing process of the iron ore, because the ore particles of the iron ore have magnetic conduction characteristics, the iron ore is adsorbed on the magnetic roller by utilizing the strong magnetic field of the permanent magnetic roller in the ore dressing machine, the doped sand without magnetic conduction can be taken away and thrown out by the belt, and the iron ore sand can be brought to the non-magnetic area by the magnetic roller to fall into the ore hopper, so that the magnetic minerals and the non-magnetic minerals in the iron ore are separated.
Most of current concentrating machines use non-plating neodymium iron boron with larger interval as permanent magnetic material, such as a novel neodymium iron boron electroplating roller disclosed in Chinese patent publication No. CN21747958U, comprising a tank body for containing electroplating liquid, wherein a plurality of rollers are arranged in parallel in the tank body, the rollers are all adjusted in height in the tank body by changing positions on a bracket, and simultaneously, the rollers are all in transmission connection with the same motor through a transmission gear set. According to the electroplating requirement, a cylinder with good water permeability and slender shape is selected, namely, the cylinder is arranged into a regular hexagon, and each side face is provided with an inner and outer connected permeable net, so that an object inside the cylinder can be better contacted with electroplating liquid in the tank body to realize electroplating. However, the magnetic separation roller using the non-plating neodymium iron boron as the permanent magnetic material has the problems of low surface magnetism and unsatisfactory magnetic separation effect.
Disclosure of Invention
The utility model provides a halbach arrangement type magnetic separation roller, which aims to solve the problems of low surface magnetism and non-ideal magnetic separation effect of the existing magnetic separation roller.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model relates to a halbach arrangement type magnetic separation roller, which comprises a steel cylinder and a plurality of magnetic steel groups sleeved outside the steel cylinder, wherein two adjacent magnetic steel groups are in close contact; each magnetic steel group comprises n first magnetic shoes, n second magnetic shoes and m third magnetic shoes, wherein m=2n, the first magnetic shoes and the second magnetic shoes are arranged at intervals, gaps exist between the adjacent first magnetic shoes and second magnetic shoes, and the third magnetic shoes are fixed in the gaps between the adjacent first magnetic shoes and second magnetic shoes; the N pole of the first magnetic shoe faces outwards, the N pole of the second magnetic shoe faces inwards, and the N pole of the third magnetic shoe faces towards the adjacent first magnetic shoe.
Preferably, the first magnetic shoe, the second magnetic shoe and the third magnetic shoe are all fixed on the outer side of the steel cylinder through screws.
Preferably, the first magnetic shoe, the second magnetic shoe and the third magnetic shoe are all the same in size.
The first magnetic shoe, the second magnetic shoe and the third magnetic shoe all adopt a neodymium iron boron electroplating process.
Preferably, the magnetic shoes arranged along the length direction of the steel cylinder are the same as the first magnetic shoe or the same as the second magnetic shoe or the same as the third magnetic shoe.
Preferably, the front end outside cover of steel cylinder be equipped with front end spacing ring, the rear end outside cover of steel cylinder is equipped with the rear end spacing ring, front end spacing ring and rear end spacing ring all are connected with the steel cylinder through the screw, front end spacing ring and a set of magnet steel group in front of, rear end spacing ring and a set of magnet steel group in front of in close contact.
The front end limiting ring and the rear end limiting ring are plastic rings formed by injection molding.
Preferably, plugs are fixed inside the two ends of the steel cylinder.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the utility model relates to a halbach arrangement type magnetic separation roller which comprises a steel cylinder and a magnetic steel group sleeved outside the steel cylinder, wherein the magnetic steel group comprises a first magnetic shoe, a second magnetic shoe and a third magnetic shoe, gaps are reserved between the first magnetic shoe and the second magnetic shoe, the third magnetic shoe is fixed in the gaps between the adjacent first magnetic shoe and the second magnetic shoe, the N pole of the first magnetic shoe faces outwards, the N pole of the second magnetic shoe faces inwards, and the N pole of the third magnetic shoe faces towards the adjacent first magnetic shoe, so that the magnetic steel group is in halbach arrangement, magnetic lines of force on the inner side of the roller are weakened, but magnetic lines of force are converged on the outer side of the roller, and therefore a more ideal unilateral magnetic field is obtained, the surface magnetic performance is improved, and the magnetic separation effect is better.
Drawings
FIG. 1 is an exploded view of a halbach-arrangement magnetic separation drum according to the present utility model;
fig. 2 is a schematic diagram of an arrangement of a single magnetic steel set.
Illustration of: 1-steel cylinder, 2-first magnetic shoe, 3-second magnetic shoe, 4-third magnetic shoe, 5-front end limiting ring, 6-rear end limiting ring, 7-plug and 8-screw.
Detailed Description
The utility model will be further understood by reference to the following examples which are given to illustrate the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1, a halbach-arranged magnetic separation drum according to this embodiment includes a steel drum 1 and a plurality of magnetic steel groups sleeved outside the steel drum 1, wherein two adjacent magnetic steel groups are in close contact.
Referring to fig. 2, each magnetic steel group includes n first magnetic shoes 2, n second magnetic shoes 3 and m third magnetic shoes 4, where m=2n, the first magnetic shoes 2 and the second magnetic shoes 3 are arranged at intervals, gaps exist between the adjacent first magnetic shoes 2 and second magnetic shoes 3, and the third magnetic shoes 4 are fixed in the gaps between the adjacent first magnetic shoes 2 and second magnetic shoes 3; the first magnetic shoe 2, the second magnetic shoe 3 and the third magnetic shoe 4 are the same in size, and all adopt the technology of electroplating neodymium iron boron, the first magnetic shoe 2, the second magnetic shoe 3 and the third magnetic shoe 4 are all fixed on the outer side of the steel cylinder 1 through screws 8, the screws 8 adopt inner hexagon screws, and the outer ends are flush with the corresponding magnetic shoes. The N pole of the first magnetic shoe 2 faces outwards, the N pole of the second magnetic shoe 3 faces inwards, the N pole of the third magnetic shoe 4 faces towards the adjacent first magnetic shoe 2, and the magnetic shoes arranged along the length direction of the steel cylinder are the first magnetic shoe, the second magnetic shoe or the third magnetic shoe.
Referring to fig. 1, the front end outside sleeve of steel cylinder 1 be equipped with front end spacing ring 5, the rear end outside sleeve of steel cylinder 1 is equipped with rear end spacing ring 6, the inside end cap 7 that all is fixed with in both ends of steel cylinder 1, front end spacing ring 5, rear end spacing ring 6 and end cap 7 all are connected with steel cylinder 1 through screw 8, front end spacing ring 5 and a set of magnet steel group in front end in close contact with, rear end spacing ring 6 and a set of magnet steel group in the terminal in close contact with, and then press from both sides tight multiunit magnet steel group, play the effect of limiting each magnet shoe skew of cylinder rotation in-process.
The working principle of the halbach arrangement type magnetic separation roller is as follows: the first magnetic shoe 2, the second magnetic shoe 3 and the third magnetic shoe 4 are arranged in halbach, so that magnetic force lines on the inner side of the roller are weakened, magnetic force lines are converged on the outer side of the roller, and an ideal unilateral magnetic field is obtained, so that the surface magnetism of the roller is improved, and the magnetic separation effect is better.
The present utility model has been described in detail with reference to the embodiments, but the description is only the preferred embodiments of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model should be considered as falling within the scope of the present utility model.
Claims (6)
1. The utility model provides a halbach range formula magnetic separation cylinder which characterized in that: the device comprises a steel cylinder and a plurality of magnetic steel groups sleeved outside the steel cylinder, wherein two adjacent magnetic steel groups are in close contact; each magnetic steel group comprises n first magnetic shoes, n second magnetic shoes and m third magnetic shoes, wherein m=2n, the first magnetic shoes and the second magnetic shoes are arranged at intervals, gaps exist between the adjacent first magnetic shoes and second magnetic shoes, and the third magnetic shoes are fixed in the gaps between the adjacent first magnetic shoes and second magnetic shoes; the N pole of the first magnetic shoe faces outwards, the N pole of the second magnetic shoe faces inwards, and the N pole of the third magnetic shoe faces towards the adjacent first magnetic shoe.
2. The halbach-arrangement magnetic separation drum of claim 1, wherein: the first magnetic shoe, the second magnetic shoe and the third magnetic shoe are all fixed on the outer side of the steel cylinder through screws.
3. The halbach-arrangement magnetic separation drum of claim 1, wherein: the first magnetic shoe, the second magnetic shoe and the third magnetic shoe are the same in size.
4. The halbach-arrangement magnetic separation drum of claim 1, wherein: the magnetic shoes arranged along the length direction of the steel cylinder are the first magnetic shoe, the second magnetic shoe or the third magnetic shoe.
5. The halbach-arrangement magnetic separation drum of claim 1, wherein: the front end outside cover of steel cylinder be equipped with front end spacing ring, the rear end outside cover of steel cylinder is equipped with rear end spacing ring, front end spacing ring and rear end spacing ring all are connected with the steel cylinder through the screw, front end spacing ring and a set of magnet steel group in close contact with of front end, rear end spacing ring and a set of magnet steel group in close contact with of terminal.
6. The halbach-arrangement magnetic separation drum of claim 1, wherein: plugs are fixed inside the two ends of the steel cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320435921.5U CN219424602U (en) | 2023-03-09 | 2023-03-09 | Halbach arrangement type magnetic separation roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320435921.5U CN219424602U (en) | 2023-03-09 | 2023-03-09 | Halbach arrangement type magnetic separation roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219424602U true CN219424602U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320435921.5U Active CN219424602U (en) | 2023-03-09 | 2023-03-09 | Halbach arrangement type magnetic separation roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219424602U (en) |
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2023
- 2023-03-09 CN CN202320435921.5U patent/CN219424602U/en active Active
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