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High-strength low-abrasion abrasion-resisting ball used for ball mill and preparation method of high-strength low-abrasion abrasion-resisting ball

A wear-resistant ball and high-strength technology, applied in the field of wear-resistant materials, can solve the problems of complex working environment of wear-resistant balls, affect the working efficiency of wear-resistant balls, and affect the use cost of ball mills, etc., achieve good metamorphic effect and eliminate dendrite disorder form, the effect of reducing the content of harmful substances

Inactive Publication Date: 2018-02-27
蚌埠市光辉金属加工厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of industry, the increase of various large ball mills, wear-resistant balls are easy to be damaged and consume a lot due to the complex working environment, which affects the cost of ball mills.
At present, wear-resistant balls still have the defects of low impact toughness, poor corrosion resistance, low strength, large wear, and low service life, which affect the working efficiency of wear-resistant balls.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A high-strength and low-abrasion wear-resistant ball for a ball mill proposed by the present invention includes a cladding layer and a wear-resistant ball base, and the wear-resistant ball base includes the following components by mass percentage: C: 0.45%, B: 0.8%, Ti: 0.6%, Mg: 0.08%, Si: 0.45%, W: 0.15%, Cr: 4.2%, Mn: 1.2%, Ni: 0.58%, V: 0.06%, Zr: 0.08%, Nb: 0.08%, Mo: 0.1%, Ce: 0.12%, Nd: 0.05%, Sm: 0.08%, Er: 0.02%, the rest is Fe and unavoidable impurities; the raw materials of the cladding layer include: 2 parts of nano-ceramic powder, alloy powder 20 servings. Wherein, the raw material of nano-ceramic powder comprises by weight: SiC: 15 parts, Si 3 N 4 : 15 copies, B 2 o 3 : 5 parts, TiO 2 : 10 parts, MgO: 5 parts, TiN: 10 parts; the alloy powder includes the following components by mass percentage: Co: 10%, C: 0.45%, W: 0.55%, Nb: 0.4%, B: 0.05%, Mn : 6.5%, Si: 0.5%, Sr: 0.02%, Ce: 0.3%, Nd: 0.4%, Sm: 0.1%, and the rest are Fe and unavoidable impurities....

Embodiment 2

[0027] A high-strength and low-abrasion wear-resistant ball for a ball mill proposed by the present invention includes a cladding layer and a wear-resistant ball base. The wear-resistant ball base includes the following components by mass percentage: C: 0.65%, B: 1.2%, Ti: 0.4%, Mg: 0.15%, Si: 0.65%, W: 0.08%, Cr: 5.2%, Mn: 1.5%, Ni: 0.34%, V: 0.12%, Zr: 0.16%, Nb: 0.04%, Mo: 0.2%, Ce: 0.05%, Nd: 0.1%, Sm: 0.02%, Er: 0.08%, and the rest are Fe and unavoidable impurities; the raw materials of the cladding layer include by weight: 5 parts of nano-ceramic powder, alloy powder 40 servings. Wherein, the raw material of nano-ceramic powder comprises by weight: SiC: 25 parts, Si 3 N 4 : 10 copies, B 2 o 3 : 10 parts, TiO 2 : 5 parts, MgO: 10 parts, TiN: 20 parts; the alloy powder includes the following components by mass percentage: Co: 13.5%, C: 0.3%, W: 1.1%, Nb: 0.8%, B: 0.12%, Mn : 3.2%, Si: 0.8%, Sr: 0.05%, Ce: 0.5%, Nd: 0.2%, Sm: 0.3%, and the rest are Fe and unavoidable ...

Embodiment 3

[0035] A high-strength and low-abrasion wear-resistant ball for a ball mill proposed by the present invention includes a cladding layer and a wear-resistant ball base. The wear-resistant ball base includes the following components by mass percentage: C: 0.54%, B: 1%, Ti: 0.52%, Mg: 0.11%, Si: 0.54%, W: 0.12%, Cr: 4.8%, Mn: 1.35%, Ni: 0.45%, V: 0.1%, Zr: 0.12%, Nb: 0.06%, Mo: 0.15%, Ce: 0.09%, Nd: 0.08%, Sm: 0.05%, Er: 0.05%, and the rest are Fe and unavoidable impurities; the raw materials of the cladding layer include: nano-ceramic powder 3.5 parts, alloy powder 30 servings. Wherein, the raw material of nano-ceramic powder comprises by weight: SiC: 20 parts, Si 3 N 4 : 12.5 parts, B 2 o 3 : 8 parts, TiO 2 : 8 parts, MgO: 8 parts, TiN: 16 parts; the alloy powder includes the following components by mass percentage: Co: 12.2%, C: 0.38%, W: 0.85%, Nb: 0.6%, B: 0.1%, Mn : 4.5%, Si: 0.65%, Sr: 0.04%, Ce: 0.4%, Nd: 0.3%, Sm: 0.2%, and the rest are Fe and unavoidable impuritie...

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Abstract

The invention discloses a high-strength low-abrasion abrasion-resisting ball used for a ball mill and a preparation method of the high-strength low-abrasion abrasion-resisting ball. The high-strengthlow-abrasion abrasion-resisting ball used for the ball mill comprises a cladding layer and an abrasion-resisting ball base body, and the abrasion-resisting ball base body comprises the following components of C, B, Ti, Mg, Si, W, Cr, Mn, Ni, V, Zr, Nb, Mo, Ce, Nd, Sm, Er and the balance Fe and inevitable impurities. According to the high-strength low-abrasion abrasion-resisting ball used for the ball mill and the preparation method of the high-strength low-abrasion abrasion-resisting ball, through optimization of the matching ratio and a preparation technology, the high-strength low-abrasion abrasion-resisting ball has the advantages of being large in impact toughness, good in corrosion resistance, large in strength, small in abrasion and the like, and the working efficiency of the abrasion-resisting ball is effectively improved.

Description

technical field [0001] The invention relates to the technical field of wear-resistant materials, in particular to a high-strength and low-wear wear-resistant ball for a ball mill and a preparation method thereof. Background technique [0002] As the crushing medium in the ball mill, the wear-resistant ball will directly affect the working efficiency and crushing effect of the ball mill. There are two main types of wear-resistant balls, one is chromium alloy cast iron balls, and the other is ductile iron balls. With the development of industry and the increase of various large ball mills, wear-resistant balls are easily damaged due to the complex working environment and consume a lot of energy, which affects the cost of ball mills. At present, wear-resistant balls still have the defects of low impact toughness, poor corrosion resistance, low strength, high wear, and low service life, which affect the working efficiency of wear-resistant balls. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/04C22C38/02C22C38/54C22C38/50C22C38/44C22C38/46C22C38/48C23C24/10
CPCC22C38/04C22C38/002C22C38/005C22C38/02C22C38/44C22C38/46C22C38/48C22C38/50C22C38/54C23C24/103
Inventor 甘葆瑞
Owner 蚌埠市光辉金属加工厂
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