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Corrosion resisting low-abrasion coating abrasion-resisting ball for ball mill and preparation method of corrosion resisting low-abrasion coating abrasion-resisting ball

A wear-resistant ball and corrosion-resistant technology, applied in the field of wear-resistant materials, can solve the problems of increasing wear, shortening the service life of wear-resistant balls, affecting the ball milling effect and work efficiency of a ball mill, and achieving low wear, corrosion resistance and mechanical properties. excellent effect

Inactive Publication Date: 2018-12-18
ANHUI NINGGUO NINGHU STEEL BALL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Ball mills are widely used in cement, electric power, mineral processing, building materials and other industries. Wear-resistant balls are used as the grinding medium in ball mills. Due to their complex working environment, they are easily corroded and their wear is increased, making the service life of wear-resistant balls It is greatly shortened, which affects the ball milling effect and work efficiency of the ball mill

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A corrosion-resistant low-wear coating wear-resistant ball for a ball mill proposed by the present invention is composed of a wear-resistant ball base and a coating coated on the surface of the wear-resistant ball base. The wear-resistant ball base includes the following components by mass fraction: C: 0.45%, B: 0.08%, Mg: 0.07%, Al: 0.12%, Si: 2%, Mn: 1.5%, Cr: 0.75%, Zr: 0.18%, Mo: 0.1%, Ni: 0.25%, V: 0.12%, Ti: 0.4%, Nb: 0.12%, Ce: 0.05%, Y: 0.16%, and the rest are Fe and unavoidable impurities.

[0026] Wherein, the coating raw materials include by weight: 80 parts of nano-ceramic powder, 16 parts of nickel powder, and 9 parts of manganese powder.

[0027]The present invention also proposes a method for preparing a corrosion-resistant low-wear coating wear-resistant ball for a ball mill, comprising the following steps:

[0028] S1. Put scrap steel, ferromanganese, ferrochrome, nickel ingot, ferrosilicon and rare earth ferroalloy in a high-frequency induction furnac...

Embodiment 2

[0033] A corrosion-resistant low-wear coating wear-resistant ball for a ball mill proposed by the present invention is composed of a wear-resistant ball base and a coating coated on the surface of the wear-resistant ball base. The wear-resistant ball base includes the following components by mass fraction: C: 0.52%, B: 0.04%, Mg: 0.09%, Al: 0.14%, Si: 1.5%, Mn: 1.7%, Cr: 0.8%, Zr: 0.14%, Mo: 0.12, Ni: 0.28%, V: 0.14 %, Ti: 0.28%, Nb: 0.18%, Ce: 0.1%, Y: 0.12%, and the rest are Fe and unavoidable impurities.

[0034] Wherein, coating raw material comprises by weight: 115 parts of nano ceramic powder, nickel powder: 22 parts, manganese powder: 12 parts; The raw material of nano ceramic powder comprises by weight: SiC: 45 parts, B 2 o 3 : 15 parts, MgO: 15 parts, TiN: 20 parts, TiB 2 : 20 servings.

[0035] The present invention also proposes a method for preparing a corrosion-resistant low-wear coating wear-resistant ball for a ball mill, comprising the following steps:

[0...

Embodiment 3

[0041] A corrosion-resistant low-wear coating wear-resistant ball for a ball mill proposed by the present invention is composed of a wear-resistant ball base and a coating coated on the surface of the wear-resistant ball base. The wear-resistant ball base includes the following components by mass fraction: C: 0.65%, B: 0.05%, Mg: 0.1%, Al: 0.16%, Si: 1.7%, Mn: 1.9%, Cr: 0.85%, Zr: 0.15%, Mo: 0.15%, Ni: 0.32%, V: 0.16%, Ti: 0.34%, Nb: 0.15%, Ce: 0.08%, Y: 0.15%, and the rest are Fe and unavoidable impurities.

[0042] Wherein, coating raw material comprises by weight: 100 parts of nano ceramic powder, nickel powder: 20 parts, manganese powder: 10 parts; The raw material of nano ceramic powder comprises by weight: SiC: 40 parts, B 2 o 3 : 15 parts, MgO: 14 parts, TiN: 16 parts, TiB 2 : 15 servings.

[0043] The present invention also proposes a method for preparing a corrosion-resistant low-wear coating wear-resistant ball for a ball mill, comprising the following steps:

[...

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Abstract

The invention discloses a corrosion resisting low-abrasion coating abrasion-resisting ball for a ball mill and a preparation method of the corrosion resisting low-abrasion coating abrasion-resisting ball. The corrosion resisting low-abrasion coating abrasion-resisting ball for the ball mill is composed of an abrasion-resisting ball base body and a coating wrapping the surface of the abrasion-resisting ball base body. The abrasion-resisting ball base body comprises the following components: C, B, Mg, Al, Si, Mn, Cr, Zr, Mo, Ni, V, Ti, Nb, Ce, Y and the balance Fe and unavoidable impurities. Coating raw materials include nano ceramic powder, nickel powder and manganese powder. According to the corrosion resisting low-abrasion coating abrasion-resisting ball for the ball mill and the preparation method of the corrosion resisting low-abrasion coating abrasion-resisting ball, by optimizing a formula and a preparation process, the obtained product is good in corrosion resistance and mechanical performance, low in abrasion and long in service life.

Description

technical field [0001] The invention relates to the technical field of wear-resistant materials, in particular to a corrosion-resistant low-wear coating wear-resistant ball for a ball mill and a preparation method thereof. Background technique [0002] Ball mills are widely used in cement, electric power, mineral processing, building materials and other industries. Wear-resistant balls are used as the grinding medium in ball mills. Due to their complex working environment, they are easily corroded and their wear is increased, making the service life of wear-resistant balls It is greatly shortened, which affects the ball milling effect and work efficiency of the ball mill. Therefore, developing a wear-resistant ball with corrosion resistance, low wear and long service life is an urgent problem to be solved at present. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a corrosion-resistan...

Claims

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Application Information

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IPC IPC(8): C22C38/02C22C38/04C22C38/06C22C38/34C22C38/44C22C38/46C22C38/48C22C38/50C22C38/54C22C38/58C22C33/06C21D1/18C23C24/10
CPCC21D1/18C22C33/06C22C38/002C22C38/005C22C38/02C22C38/04C22C38/06C22C38/34C22C38/44C22C38/46C22C38/48C22C38/50C22C38/54C22C38/58C23C24/103Y02P10/20
Inventor 秦本洋
Owner ANHUI NINGGUO NINGHU STEEL BALL
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