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Grinding medium adopting shape of dual-spherical hexagonal prism

A grinding medium and hexagonal technology, applied in the fields of metallurgy, casting and beneficiation, can solve problems such as over-crushing, and achieve the effect of reducing over-crushing, improving quality and realizing resources.

Inactive Publication Date: 2015-09-09
JIANGXI UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to provide a double-spherical hexagonal grinding medium, which solves the serious problem of over-crushing (less than or equal to 10um particles) in the grinding process of the spherical grinding medium, and can obtain narrower grades and slightly smaller particle sizes through grinding. uniform grinding product

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  • Grinding medium adopting shape of dual-spherical hexagonal prism
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Embodiment Construction

[0013] Such as figure 1 , figure 2 As shown, the present invention is achieved in this way, a double-spherical hexagonal prism grinding medium, the body of the grinding medium is a hexagonal prism 1, and the two ends of the hexagonal prism 1 are connected with hemispherical surfaces 2 to form a double-spherical hexagonal prism The grinding medium increases the surface contact on the basis of the traditional point contact type and line contact type during the grinding process to reduce the degree of over-grinding of the grinding product. The grinding medium material is cast iron, the main elements and weight content (%) are C: 2.1~3.6; Si: 1.2; Mn: 2.0; Cr: 1.5~3.0; Mo: 1.0; Ni: 1.0; Cu: 1.2 , the material can increase the wear resistance of this double spherical hexagonal prism medium. In the treatment process of the double-spherical hexagonal prism grinding medium, the grinding medium material is heated to 960-1000° C., kept for 24 hours, and then air-cooled after being re...

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Abstract

The invention discloses a grinding medium adopting a shape of a dual-spherical hexagonal prism, belongs to the grinding medium, and mainly relates to the shape, material components, a processing technology and a metallographic structure of the medium. According to the grinding medium, the problem that over-crushing is serious, that is, the particle size is smaller than or equal to 10 mu m, in the grinding process of the spherical grinding medium is solved; the grinding medium adopts the shape of the dual-spherical hexagonal prism and mainly adopts surface contact, line contact, point contact and mixing contact in the grinding process. The material components are used for guaranteeing the wear resistance of the grinding medium, and the processing technology mainly aims to improve the hardness of the grinding medium. The grinding medium adopting the shape of the dual-spherical hexagonal prism is mainly applied to a metallic mineral grinding process and preparation of other materials with narrow and fine fraction.

Description

technical field [0001] The invention relates to the fields of metallurgy, casting and ore dressing, in particular to a double-spherical hexagonal grinding medium. Background technique [0002] In the grinding process of many metal ores, the commonly used spherical grinding media can easily cause over-grinding of the metal ore (less than or equal to 10um), and the over-grinding of the metal ore is almost impossible to achieve recovery, resulting in the loss of some resources waste. The main contact mode of spherical media in grinding is point contact, and under the same pressure, its pressure is the largest, which leads to serious over-grinding of metal minerals. Contents of the invention [0003] The purpose of the present invention is to provide a double-spherical hexagonal grinding medium, which solves the serious problem of over-crushing (less than or equal to 10um particles) in the grinding process of the spherical grinding medium, and can obtain narrower grades and s...

Claims

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Application Information

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IPC IPC(8): B02C17/20
CPCB02C17/20
Inventor 石贵明周意超吴彩斌杨昊周斌刘瑜赵汝全邹春林鄢发明赵捷明
Owner JIANGXI UNIV OF SCI & TECH
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