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Beneficiation method for removing long quarry impurities by adopting strong magnetic flotation

A beneficiation method and feldspar ore technology, applied in flotation, chemical instruments and methods, magnetic separation, etc., can solve the problem that the product whiteness can only reach 40-50%, achieve high grinding efficiency and convenient operation and management , the effect of large production capacity

Inactive Publication Date: 2010-12-01
衡阳县湘雁矿业有限公司
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Problems solved by technology

In recent years, although some mines have carried out simple processing on raw ore, at most only a section of strong magnetic process has been added to make Fe 2 o 3 The content of the product is reduced from more than 0.5% to 0.2-0.3%, and the whiteness of the product can only reach 40-50%.

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  • Beneficiation method for removing long quarry impurities by adopting strong magnetic flotation
  • Beneficiation method for removing long quarry impurities by adopting strong magnetic flotation

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Embodiment Construction

[0022] A beneficiation method using strong magnetic flotation to remove feldspar impurities. The beneficiation method includes: crushing-ball milling-screening-desliming-strong magnetic-flotation-concentration and dehydration. The specific beneficiation method is as follows:

[0023] A. The raw ore F is crushed by the primary jaw crusher 1 and then enters the double-layer vibrating screen machine 2. After crushing, the raw ore F that meets the ball mill standard enters the ball mill 5 for grinding, and the unqualified raw ore F enters from the double-layer vibrating screen machine 2 respectively. The secondary jaw crusher 3 and the cone crusher 4 continue to crush, and the crushed raw ore F enters the double-layer vibrating screen machine 2 again, and then enters the ball mill 5 for grinding after reaching the ball milling standard.

[0024] B. Minerals from the ball mill 5 enter the spiral classifier 6 for grading, and unqualified minerals are returned to the ball mill 5 to co...

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Abstract

The invention relates to a beneficiation method for removing long quarry impurities by adopting strong magnetic flotation, comprising the steps of crushing, grinding, sieving, desliming, strong magnetically floating, floating, concentrating and dewatering. The concrete beneficiation method comprises the following steps of: breaking and grinding ore in a ball mill; grading ground minerals by a spiral grader and a hydraulic hydrocyclone twice; combining with the ball mill into a closed cycle; respectively mounting high-frequency linear vibration sieves in overflows graded twice; respectively removing impurities over 3 mm and 1 mm, such as mica, grass-roots bark, and the like; removing most of muddy substances from minerals through desliming equipment after the impurities are removed; removing mechanical iron, weakly magnetic iron ore, tourmaline and partial mica in a strong magnetic flotation machine; floating the minerals passing through the strong magnetic flotation machine again to remove residual iron minerals, mica and black minerals; and finally, concentrating and dewatering the minerals to form a product.

Description

technical field [0001] The invention relates to a beneficiation method, in particular to a beneficiation method for removing feldspar impurities by using strong magnetic flotation. Background technique [0002] Feldspar is widely used in ceramics, glass, enamel, chemical industry, cement, abrasives, papermaking, refractory materials, machinery manufacturing, coatings and welding electrodes and other industries. With the rapid development of my country's industrial production and the improvement of people's living standards, the demand for feldspar is also increasing. However, for a long time, my country's non-metallic feldspar mines have been mainly selling raw ore, and the mining method is to eat the rich and abandon the poor, especially for those feldspar mines that contain potassium, low sodium grade, and more impurities. Ask about. In recent years, although some mines have carried out simple processing on raw ore, at most only a section of strong magnetic process has be...

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Application Information

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IPC IPC(8): B03B7/00B03B1/00B03C1/02B03D1/00B03D1/08
Inventor 阳纯文
Owner 衡阳县湘雁矿业有限公司
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