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Crawler belt discharged ore suction-out and suction dry type magnetic separator and sorting method thereof

A dry magnetic separation and magnetic separator technology, applied in magnetic separation, chemical instruments and methods, solid separation, etc., can solve problems such as blockage, improve separation efficiency, ensure smooth production, and reduce grinding energy consumption Effect

Inactive Publication Date: 2018-12-18
UNIV OF SCI & TECH LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a crawler ore discharge suction and suction dry magnetic separator and its separation method. During the production process, the forced upward suction magnetic separator discharges ore, which can solve the problem of material blockage and improve the dryness of crushed products. Type pre-selection effect, throw out a large number of qualified waste rocks, reduce the amount of grinding materials, and realize energy saving and efficient utilization of magnetite ore

Method used

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  • Crawler belt discharged ore suction-out and suction dry type magnetic separator and sorting method thereof
  • Crawler belt discharged ore suction-out and suction dry type magnetic separator and sorting method thereof
  • Crawler belt discharged ore suction-out and suction dry type magnetic separator and sorting method thereof

Examples

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Effect test

Embodiment 1

[0042] The magnetite ore is crushed in three stages and one closed circuit, the product particle size is less than 12mm, accounting for 90%, and the grade is 24.50%. Use crawler discharge ore suction suction dry magnetic separator to carry out dry pre-selection, the process steps are as follows:

[0043] The working parameters for setting the crawler discharge ore suction and suction dry magnetic separator are: start the suction magnetic separator, set the magnetic field strength of the suction magnetic separator to 550mT, and the distance between the crawler of the suction magnetic separator and the ore feeding belt is 50mm. Install a leveler in front of the ore belt to scrape the mineral material, start the suction type magnetic separator, set the magnetic field strength of the suction type magnetic separator to 550mT, then start the ore feeding device to feed the ore, and feed the material into the crawler to discharge the ore Suction and hold the dry magnetic separator. Af...

Embodiment 2

[0048] The products of magnetite crushed in three stages and one closed circuit are crushed in open circuit by high-pressure roller mill. The product particle size is less than 5mm, accounting for 90%, and the grade is 23.40%. Use crawler discharge ore suction suction dry magnetic separator to carry out dry pre-selection, the process steps are as follows:

[0049] The working parameters for setting the crawler ore discharge and suction of the dry magnetic separator are: start the suction magnetic separator, set the magnetic field strength of the suction magnetic separator to 450mT, and the distance between the crawler of the suction magnetic separator and the ore feeding belt is 50mm. Install a leveler in front of the ore belt to scrape the mineral material, start the suction type magnetic separator, set the magnetic field strength of the suction type magnetic separator to 650mT, then start the ore feeding device to feed the ore, and feed the material into the crawler to discharg...

Embodiment 3

[0054] The magnetite ore is crushed in two stages and one closed circuit, and the product particle size is less than 15mm, accounting for 90%, and the grade is 25.60%. Use crawler discharge ore suction suction dry magnetic separator to carry out dry pre-selection, the process steps are as follows:

[0055] The working parameters for setting the crawler ore discharge and suction of the dry magnetic separator are: start the suction magnetic separator, set the magnetic field strength of the suction magnetic separator to 650mT, and the distance between the crawler of the suction magnetic separator and the ore feeding belt is 100mm. Install a leveler in front of the ore belt to scrape the mineral material, start the suction type magnetic separator, set the magnetic field strength of the suction type magnetic separator to 450mT, then start the ore feeding device to feed the ore, and feed the material into the crawler to discharge the ore Suction and hold the dry magnetic separator. ...

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Abstract

The invention discloses a crawler belt discharged ore suction-out and suction dry type magnetic separator and a sorting method thereof. The crawler belt discharged ore suction-out and suction dry typemagnetic separator comprises a suction-out type magnetic separator, a suction type magnetic separator, a suction-out type magnetic separator concentrate chute and a material receiving groove. The suction-out type magnetic separator is arranged above the suction type magnetic separator, the suction-out type magnetic separator and the suction type magnetic separator are mutually crossed and vertically arranged, and the suction-out type magnetic separator concentrate chute is formed in the bottom of the suction type magnetic separator and arranged in the suction-out type magnetic separator advancing direction and in the side, stretching out of the suction type magnetic separator, of a crawler belt. The suction-out type magnetic separator concentrate chute is connected with a magnetic productgroove of the material receiving groove. The material receiving groove is formed in the bottom of a suction type magnetic separator magnetic sliding wheel. In the production process, an updraught magnetic separator is forced to discharge ore, the problem about material blockage can be solved, the pulverized product dry type primary selection effect is improved, a large amount of qualified waste stone is thrown out, the grinding and separation feeding amount is reduced, and energy saving, consumption reducing and efficient utilization of magnet ore can be achieved.

Description

technical field [0001] The invention relates to the technical field of mineral processing, in particular to a crawler ore discharge suction suction dry magnetic separator and a separation method thereof. Background technique [0002] The chemical composition of magnetite is Fe 3 o 4 , the crystal is an oxide mineral in the equiaxed crystal system, which is magnetic and widely distributed in my country. It is the main mineral raw material for ironmaking. [0003] The waste rock mixing rate in the mining process of magnetite ore is often seriously exceeded, the recycling rate of iron ore resources is low, the cost of ore mining is high, and the economic benefits of mines are low. The pre-selection technology of magnetite ore can deal with the magnetite ore whose waste rock mixing rate seriously exceeds the standard, which has an important role and significance in reducing costs, increasing efficiency and improving benefits. [0004] During the production process of the up-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/16
CPCB03C1/16
Inventor 侯英谢冬冬任国臣赵明陶东平杜进松靳达
Owner UNIV OF SCI & TECH LIAONING
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