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Grinding body for corrosion-resistant high-hardness high-toughness ball mill

A high-hardness, high-toughness technology, applied in the field of grinding bodies, can solve problems affecting the normal operation and production progress of equipment, premature scrapping, wear loss, etc., and achieve good wear resistance, good wear resistance, and excellent wear resistance Effect

Inactive Publication Date: 2014-10-08
宁国市鑫煌矿冶配件制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Grinding body is an indispensable and commonly used consumable material in powder preparation, ceramics and refractory industrial production. Synthesizing materials with strong adaptability, high hardness and toughness is a very valuable research direction in the field of grinding materials. During use, sand, hard fibrous substances and other media with hard, rough surface, cutting properties, high temperature, impact, corrosion, etc. will cause serious wear and tear losses, leading to premature scrapping or failure, affecting the quality of the equipment. Normal operation and production progress, the requirements for corrosion resistance, hardness, toughness and wear resistance of grinding bodies are getting higher and higher

Method used

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  • Grinding body for corrosion-resistant high-hardness high-toughness ball mill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A grinding body for a corrosion-resistant, high-hardness, high-toughness ball mill, the raw materials of which include by weight:

[0017]

[0018] Wherein, the modified alumina is a product obtained by sintering, quenching and tempering at 1285°C;

[0019] In the diamond powder, 15-35 μm accounts for 35 parts, 40-50 μm accounts for 27 parts, 70-80 μm accounts for 8 parts, and 85-95 μm accounts for 9 parts;

[0020] The preparation process of the cubic boron nitride is as follows: 87.5% hexagonal boron nitride and 12.5% ​​magnesium-based alloy are uniformly mixed according to the weight percentage, and then the temperature is 1965 ℃, the pressure is 5.2×10 6 Cubic boron nitride converted under the condition of K Pa.

Embodiment 2

[0022] A grinding body for a corrosion-resistant, high-hardness, high-toughness ball mill, the raw materials of which include by weight:

[0023]

[0024] Wherein, the modified alumina is a product obtained by sintering, quenching and tempering at 1300°C;

[0025] In the diamond powder, 15-35 μm accounts for 20 parts, 40-50 μm accounts for 30 parts, 70-80 μm accounts for 5 parts, and 85-95 μm accounts for 10 parts;

[0026] The preparation process of the cubic boron nitride is as follows: 87.5% hexagonal boron nitride and 12.5% ​​magnesium-based alloy are uniformly mixed according to the weight percentage, and then the temperature is 1965 ℃, the pressure is 5.2×10 6 Cubic boron nitride converted under the condition of K Pa.

Embodiment 3

[0028] A grinding body for a corrosion-resistant, high-hardness, high-toughness ball mill, the raw materials of which include by weight:

[0029]

[0030] Wherein, the modified alumina is a product obtained by sintering, quenching and tempering at 1270°C;

[0031] In the diamond powder, 15-35 μm accounts for 40 parts, 40-50 μm accounts for 20 parts, 70-80 μm accounts for 10 parts, and 85-95 μm accounts for 5 parts;

[0032] The preparation process of the cubic boron nitride is as follows: 87.5% hexagonal boron nitride and 12.5% ​​magnesium-based alloy are uniformly mixed according to the weight percentage, and then the temperature is 1965 ℃, the pressure is 5.2×10 6 Cubic boron nitride converted under the condition of K Pa.

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Abstract

The invention discloses a grinding body for a corrosion-resistant high-hardness high-toughness ball mill. The grinding body is characterized by comprising the following raw materials in parts by weight: 20-30 parts of carbon tungsten alloy, 20-25 parts of silicon carbide grains, 20-30 parts of modified aluminum oxide, 5-10 parts of rare earth ferro-silicon alloy, 5-8 parts of epoxy modified phenolic resin, 10-15 parts of silica, 10-15 parts of perovskite, 5-8 parts of ferro-molybdenum powder, 4-5 parts of zircon, 10-15 parts of barium sulfate, 2-4 parts of iron-based powder, 2-4 parts of silica powder and 2-4 parts of quartz sand. The grinding body for the corrosion-resistant high-hardness high-toughness ball mill is high in wear resistance, extremely high in hardness and high in toughness.

Description

technical field [0001] The invention relates to the technical field of grinding bodies, in particular to a corrosion-resistant, high-hardness and high-toughness grinding body for ball mills. Background technique [0002] Grinding body is an indispensable and commonly used consumable material in powder preparation, ceramics and refractory industrial production. Synthesizing materials with strong adaptability, high hardness and toughness is a very valuable research direction in the field of grinding materials. During use, sand, hard fibrous substances and other media with hard, rough surface, cutting properties, high temperature, impact, corrosion, etc. will cause serious wear and tear losses, leading to premature scrapping or failure, affecting the quality of the equipment. In normal operation and production progress, the requirements for corrosion resistance, hardness, toughness and wear resistance of grinding bodies are getting higher and higher. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/12C04B14/30C04B14/32C04B14/36
Inventor 金太军
Owner 宁国市鑫煌矿冶配件制造有限公司
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