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Method for purifying talc associated natural powder quartz and powder quartz

A purification method, quartz technology, applied in chemical instruments and methods, wet separation, solid separation, etc., can solve the problems of environmental hazards, rejection, low degree of dissociation, etc., to achieve good adaptability, short production line process, mineral processing recovery high rate effect

Inactive Publication Date: 2019-01-25
江西金泰矿业有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this type of talc-associated powder quartz raw ore, talc and powder quartz have similar particle size, density, and magnetic properties. The degree of separation is not high, and the buoyancy of talc is further reduced due to the presence of clay impurities. The current physical washing process is difficult to completely remove it, and cannot meet the requirements of high-purity quartz for magnesium impurity content. The chemical method not only produces Costly and harmful to the environment
The current powder quartz mineral processing method has certain limitations on the mineral processing and purification of talc-associated powder quartz ore.

Method used

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  • Method for purifying talc associated natural powder quartz and powder quartz
  • Method for purifying talc associated natural powder quartz and powder quartz
  • Method for purifying talc associated natural powder quartz and powder quartz

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] A preparation method for talc-associated natural powder quartz, comprising the following steps:

[0097] (1) Put 800kg powdered quartz raw ore into the scrubbing machine evenly through the screw feeder to scrub and disperse. After scrubbing, the slurry enters the stirring dilution tank; the diluted slurry is screened with a rotary vibrating sieve with a sieve size of 0.125mm (120 mesh) , the under-sieve product is separated from clay minerals and iron-containing impurities through a centrifugal separator;

[0098] (2) The centrifugal underflow enters the flotation operation. First, dilute with water in the pulp preprocessor, adjust the pulp concentration to 25%, and stir for 5 minutes; feed the adjusted pulp into the flotation machine, and add 350mL collector diesel for mineralization After 3 minutes, add 35 mL of foaming agent 2-octanol, inflate and stir for 1 minute, then start to scrape the bubbles. The scraping time is 7 minutes. During the scraping process, add 2 k...

Embodiment 2

[0100] A preparation method for talc-associated natural powder quartz, comprising the following steps:

[0101](1) Put 800kg powdered quartz raw ore into the scrubbing machine evenly through the screw feeder to scrub and disperse. After scrubbing, the slurry enters the stirring dilution tank; the diluted slurry is screened with a rotary vibrating sieve with a sieve size of 0.125mm (120 mesh) , the under-sieve product is separated from clay minerals and iron-containing impurities through a centrifugal separator;

[0102] (2) The centrifugal underflow enters the flotation operation. First, dilute with water in the pulp preprocessor, adjust the pulp concentration to 23%, and stir for 5 minutes; feed the adjusted pulp into the flotation machine, and add 400mL of collector diesel for mineralization After 3 minutes, add 40 mL of foaming agent 2-octanol, inflate and stir for 1 minute, then start to scrape the bubbles. The scraping time is 7 minutes. During the scraping process, add 2...

Embodiment 3

[0104] A preparation method for talc-associated natural powder quartz, comprising the following steps:

[0105] (1) Put 800kg powdered quartz raw ore into the scrubbing machine evenly through the screw feeder to scrub and disperse. After scrubbing, the slurry enters the stirring dilution tank; the diluted slurry is screened with a rotary vibrating sieve with a sieve size of 0.125mm (120 mesh) , the under-sieve product is separated from clay minerals and iron-containing impurities through a centrifugal separator;

[0106] (2) The centrifugal underflow enters the flotation operation. First, dilute with water in the pulp preprocessor, adjust the pulp concentration to 20%, and stir for 10 minutes; feed the adjusted pulp into the flotation machine, and add 900mL of collector diesel for mineralization After 3 minutes, add 90mL of foaming agent 2-octanol, inflate and stir for 1 minute and start scraping for 7 minutes. During the scraping process, add 2kg of cleaning water. Separatio...

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Abstract

The invention discloses a method for purifying talc associated natural powder quartz and powder quartz, and relates to the technical field of mineral processing. The method comprises the following steps of: carrying out reverse flotation on natural powder quartz ore pulp to obtain flotation concentrate; wherein the natural powder quartz ore pulp is obtained by pretreating natural powder quartz rawore, the pretreatment comprises scrubbing and dispersing, screening and course eliminating, and centrifuging and desliming. According to the invention, the natural powder quartz ore is subjected to scrubbing and dispersing, screening and course eliminating, and centrifuging and desliming and other pretreatments, the centrifugally separated concentrate is subjected to reverse flotation, and the powder quartz raw ore with the talc content of 2-3% can be separated without using a chemical method to obtain a powder quartz concentrate product with less than 0.01% of MgO and more than 99.7% of SiO2. The method has the advantages of good adaptability to talc-associated powder quartz ore, a short production line flow and a high beneficiation recovery rate, and is an efficient, green and environment-friendly method for purifying high-purity powder quartz ore.

Description

technical field [0001] The invention relates to the technical field of mineral processing, in particular to a method for purifying talc-associated natural powder quartz and the powder quartz. Background technique [0002] Powder quartz is a natural powdery quartz industrial mineral raw material, which is produced by natural microcrystalline quartzite after long-term weathering. Due to long-term weathering by geological forces or natural forces, the shape of the particles is more regular, and the edges and corners are more passivated than mechanically ground quartz powder. High-purity ultra-fine (-320 mesh) quartz powder can be obtained without mechanical grinding. my country has rich reserves of powder quartz resources, and powder quartz resources with large reserves and high purity have been found in Jiangxi, Hunan, Guangdong, Guangxi and other places. With the development of science and technology, the application field of powdered quartz continues to develop from low-end...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B7/00B03D1/008B03D101/02B03D101/04B03D103/04
CPCB03B7/00B03D1/008B03D2201/02B03D2201/04B03D2203/04
Inventor 郑水林孙志明杜鑫刘少林吴恩宁
Owner 江西金泰矿业有限公司
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