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Silica sand preparation process

A preparation process and technology of silica sand, applied in the direction of silicon oxide, silicon dioxide, etc., can solve the problems of high cost, low efficiency, complex process, etc., and achieve the effects of high grade, simple operation process and simple process

Inactive Publication Date: 2020-01-17
青川英华矿业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, for the processing of high-purity and high-precision silica sand, the process is relatively complicated, the efficiency is low, and the cost is high

Method used

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  • Silica sand preparation process

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Embodiment Construction

[0025] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation to the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "multiple times" mea...

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Abstract

The invention relates to the technical field of silica sand, and discloses a silica sand preparation process, which comprises: 1) crushing: crushing cleaned raw ore to obtain a crushed material with aparticle size of less than 10 mm; 2) sand making: adding the crushed material obtained in the step 1) into a sand making machine, carrying out sand making, screening through a 40-70 mesh sieve afterthe sand making, and carrying out mud removing treatment to obtain primary screened sand; 3) wheel grinding: adding the primary screened sand obtained in the step 2) into a wheel grinding machine, grinding, screening through a 8-10 mesh sieve after the grinding, and carrying out mud removing treatment to obtain screened powder sand; and 4) magnetic separation: adding the screened powder sand obtained in the step 3) into a magnetic separator, and carrying out magnetic separation to obtain magnetic separation sand. According to the invention, the preparation process is simple in operation flow,and improves the processing efficiency; and the silica sand prepared by the process is high in purity, centralized in granularity and high in grade, and meets the requirements of users on the physicaland chemical properties of high-purity and high-precision silica sand.

Description

Technical field [0001] The invention relates to the technical field of silica sand, in particular to a process for preparing silica sand. Background technique [0002] Silica sand, also known as quartz sand, is a refractory particle with quartz as the main mineral component and a particle size of 0.020mm-3.350mm. Silica sand is a hard, wear-resistant, chemically stable silicate mineral, and its main mineral component is SiO 2 , As an important industrial mineral raw material, it is widely used in glass, casting, ceramics and refractory materials, metallurgy, construction, chemical industry, plastics, rubber, abrasives and other industries. [0003] The purity of silica sand is different, and the physical and chemical properties are different. High-purity silica sand with higher purity has better physical and chemical properties and is used in many high-precision industries, such as electronics, IT, national defense, etc. With the continuous development of science and technology, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/12
CPCC01B33/12
Inventor 尹志
Owner 青川英华矿业有限公司
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