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A method to solve the mixed inclusion problem of magnetic separator

A magnetic separator and problem-solving technology, applied in metal material coating process, coating, melting spray plating, etc., can solve the problems of magnetic separator mixed inclusions, magnetic wrapping inclusions, mechanical inclusions, etc., to achieve uniform particle size and strengthen magnetic properties. , The effect of preventing electromagnetic wave interference

Active Publication Date: 2020-04-21
马鞍山中磁光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the existing problems and provide a method for solving the mixed inclusion problem of the magnetic separator. A layer of composite magnetic material is sprayed on the magnetic drum of the magnetic separator, which can increase the frequency of the magnetic field and have stable performance. Magnetic Separation of Mechanical and Magnetic Inclusions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A method for solving the mixed inclusion problem of a magnetic separator, spraying a layer of composite magnetic material on the magnetic drum of the magnetic separator, the composite magnetic material is made of the following components in parts by weight: 30 parts of ultrafine iron oxide powder, 15 parts of silicon carbide nanopowder, 10 parts of titanium dioxide, 8 parts of calcium oxide, 7 parts of manganese oxide, 4 parts of yttrium oxide, 2 parts of cerium oxide, and its preparation method comprises the following steps:

[0015] (1) Grind the titanium dioxide, calcium oxide, manganese oxide, yttrium oxide and cerium oxide in the parts by weight into particles with a particle size of 30-50 microns, and add silicon carbide nano-powder and titanium dioxide into the silicon carbide tube furnace , under the protection of argon, the solid-liquid phase reaction was carried out at 1250 ° C, and the reaction was terminated after 15 minutes to obtain Ti with a purity in the ...

Embodiment 2

[0020] A method for solving the mixed inclusion problem of a magnetic separator, spraying a layer of composite magnetic material on the magnetic drum of the magnetic separator, the composite magnetic material is made of the following components in parts by weight: 32 parts of ultrafine iron oxide powder, 17 parts of silicon carbide nanopowder, 11 parts of titanium dioxide, 9 parts of calcium oxide, 8 parts of manganese oxide, 5 parts of yttrium oxide, 3 parts of cerium oxide, and its preparation method comprises the following steps:

[0021] (1) Grind the titanium dioxide, calcium oxide, manganese oxide, yttrium oxide and cerium oxide in the parts by weight into particles with a particle size of 30-50 microns, and add silicon carbide nano-powder and titanium dioxide into the silicon carbide tube furnace , under the protection of argon, the solid-liquid phase reaction was carried out at 1300 ° C, and the reaction was terminated after 18 minutes to obtain Ti with a purity in the ...

Embodiment 3

[0026] A method for solving the mixed inclusion problem of a magnetic separator, spraying a layer of composite magnetic material on the magnetic drum of the magnetic separator, the composite magnetic material is made of the following components in parts by weight: 35 parts of ultrafine iron oxide powder, 20 parts of silicon carbide nanopowder, 13 parts of titanium dioxide, 10 parts of calcium oxide, 9 parts of manganese oxide, 6 parts of yttrium oxide, 4 parts of cerium oxide, and its preparation method comprises the following steps:

[0027] (1) Grind the titanium dioxide, calcium oxide, manganese oxide, yttrium oxide and cerium oxide in the parts by weight into particles with a particle size of 30-50 microns, and add silicon carbide nano-powder and titanium dioxide into the silicon carbide tube furnace , under the protection of argon, the solid-liquid phase reaction was carried out at 1350 ° C, and the reaction was terminated after 20 minutes to obtain Ti with a purity in the...

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Abstract

The invention relates to the field of performance study of magnetic separators, and discloses a method for solving the problem of mix inclusion of a magnetic separator. A magnetic roller of the magnetic separator is sprayed and coated with a layer of composite magnetic material, the composite magnetic material is prepared from the following components including, by weight, 30-35 parts of ultra-fine iron oxide powder, 15-20 parts of silicon carbide nanometer micro powder, 10-13 parts of titanium dioxide, 8-10 parts of calcium oxide, 7-9 parts of manganese oxide, 4-6 parts of yttrium oxide and 2-4 parts of cerium oxide; the prepared ultra-fine iron oxide powder is even in particle, the obvious volume effect and surface effect are achieved, superpara magnetism conversion happens, and under the action of a magnetic field, the very high mobility is achieved; and the calcium oxide, the manganese oxide and rare earth oxide serve as stabilizers, and therefore magnetism can be strengthened, influences of outside environment changes are avoided, the prepared Ti3SiC2 powder has the high temperature resistance, high oxidation resistance and the other characters, and the service life of a coating is prolonged.

Description

technical field [0001] The invention belongs to the technical field of performance research of a magnetic separator, and in particular relates to a method for solving the mixed inclusion problem of a magnetic separator. Background technique [0002] Magnetic separator is used to remove iron powder in reusing powdery granules. Magnetic separator is widely used in resource recovery, wood industry, mining industry, kiln industry, chemical, food and other factories. It is suitable for magnetic particles with particle size below 3mm. Wet magnetic separation of iron ore, pyrrhotite, roasted ore, ilmenite and other materials is also used for iron removal operations of coal, non-metallic ores, building materials and other materials. It is the most widely used and highly versatile in the industry. One of the models. In the magnetic field of the magnetic separator, the magnetic particles are not only affected by the magnetic force, but also by the competitiveness. Competitiveness ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/10C23C4/134C23C4/137
CPCC23C4/10C23C4/134C23C4/137
Inventor 周国胜
Owner 马鞍山中磁光电科技有限公司
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