Graded belt type magnetic separating device

A magnetic separation device and magnetic separation technology, applied in the direction of magnetic separation, solid separation, chemical instruments and methods, etc., can solve the problems of lower recovery rate, inability to solve the contradiction between finished ore grade and recovery rate, metal loss and energy consumption, etc., to achieve The effect of improving magnetic separation efficiency and magnetic separation speed

Inactive Publication Date: 2018-06-05
PANZHIHUA JIUDINGZHIYUAN INTPROP OPERATION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using a dry magnetic separator for separation, due to the uneven particle size of the ore, in order to obtain a higher grade, it is usually crushed according to the minimum particle size, so that a part of the iron minerals that have reached the monomer dissociation are unnecessary. At the same time, due to the serious over-grinding of useful minerals, although the iron ore recovery effect of weak magnetic operation is better, the phenomenon of gangue inclusions is serious. In order to improve the grade, the recovery rate has to be reduced. rate, resulting in higher tailings grade
In other words, the existing dry magnetic separator cannot solve the contradiction between the finished ore grade and the recovery rate

Method used

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  • Graded belt type magnetic separating device

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Embodiment 1

[0043] Such as figure 1 As shown, the present invention discloses a grading belt type magnetic separation device, comprising a sweeping mechanism 4 and a magnetic screening mechanism, the sweeping mechanism 4 is located below the magnetic screening mechanism, and both the sweeping mechanism 4 and the magnetic screening mechanism have magnetic Selection function, the magnetic screening mechanism has a magnetic separation belt, and the magnetic separation belt is provided with mesh.

[0044] The magnetic screening mechanism has more than two stages of magnetic separation mechanisms. The magnetic separation mechanisms are arranged overlapping from top to bottom, and the mesh size of the magnetic separation belt decreases from top to bottom. The arrangement of the multi-layer magnetic separation mechanism has more classification times, more convenient classification and improved magnetic separation efficiency.

[0045] The magnetic separation mechanism includes a magnetic roller,...

Embodiment 2

[0052] Such as figure 1 As shown, a grading belt magnetic separation system also includes a controller, a weighing mechanism, a feeding mechanism 1, a magnetic screening mechanism, a sweeping mechanism 4, a fine material collecting mechanism 5, a dust removal mechanism 6, and a waste material collecting mechanism 7 ;

[0053] The magnetic screening mechanism includes a first magnetic separation mechanism 2 and a second magnetic separation mechanism 3 arranged overlappingly from top to bottom; the first magnetic separation mechanism 2 includes a first magnetic roller, a first magnetic system, a first transmission wheel, a first magnetic Belt selection, and the first feeding hopper; the first magnetic separation belt is set between the first magnetic roller and the first transmission wheel, the first feeding hopper is located between the upper and lower belts of the first magnetic separation belt, and the first magnetic system is located The inner side of the lower belt of the ...

Embodiment 3

[0062] Based on the system of embodiment 1 structure or embodiment 2, its magnetic separation method is:

[0063] Step 1: The magnetic screening mechanism consists of two or more overlapping magnetic separation belts. After putting the ore particles with uneven sizes on the uppermost magnetic separation belt, the magnetic separation belt screens the ore particles, and the particle size is smaller than the magnetic separation belt. The ore particles in the mesh fall to the magnetic separation belt of the lower layer, and are screened again by the magnetic separation belt of the lower layer;

[0064] Step 2: After the ore particles pass through the overlapping magnetic separation belts from top to bottom, they are layered according to the size of the ore particles. The upper layer of magnetic separation belts performs magnetic separation on large particles, and the lower layer of magnetic separation belts performs magnetic separation on small particles. particles for magnetic se...

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Abstract

The invention relates to the field of belt type magnetic separating machines, in particular to a graded belt type magnetic separating device. The graded belt type magnetic separating device comprisesa scavenging mechanism and a magnetic screening mechanism; the scavenging mechanism is located below the magnetic screening mechanism, the scavenging mechanism and the magnetic screening mechanism each have the magnetic separating function, the magnetic screening mechanism is provided with a magnetic separating belt, meshes are formed in the magnetic separating belt. The device is simple in structure, the screening device and the magnetic separating device are organically combined, through the meshes, graded screening of mineral particles with different sizes can be achieved, the screening speed and the screening precision are improved, and the mutual interference in the magnetic separating process due to mixing of large and small particles can be effectively avoided, the magnetic separating belt with the meshes is adopted to carry out graded magnetic separation on the minercal particles, the magnetic separating machine and the screening machine are combined into a whole, the cost is lower, occupied area of the device is reduced, and usability and practicability of the device are improved.

Description

technical field [0001] The invention relates to the field of belt-type magnetic separators, in particular to a grading belt-type magnetic separator. Background technique [0002] my country's iron ore resources are relatively rich, but there are many lean ores and few rich ores, so almost all iron ores must be sorted to improve the grade and utilization rate of raw materials. When using a dry magnetic separator for separation, due to the uneven particle size of the ore, in order to obtain a higher grade, it is usually crushed according to the minimum particle size, so that a part of the iron minerals that have reached the monomer dissociation are unnecessary. At the same time, due to the serious over-grinding of useful minerals, although the recovery of iron ore by weak magnetic field is better, the phenomenon of gangue inclusions is serious. In order to improve the grade, the recovery rate has to be reduced. rate, resulting in higher grade tailings. In other words, the ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/20B03C1/30
CPCB03C1/20B03C1/30B03C2201/20
Inventor 邹华超
Owner PANZHIHUA JIUDINGZHIYUAN INTPROP OPERATION CO LTD
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