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 whiteness of the product can only reach 40-50%, and achieve high grinding efficiency and large production capacity. , The effect of convenient operation and management

Inactive Publication Date: 2013-02-27
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

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Embodiment Construction

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

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

[0024] B. ...

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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 that uses strong magnetic flotation to remove impurities in feldspar ore. Background technique [0002] Feldspar is widely used in industries such as ceramics, glass, enamel, chemicals, cement, abrasives, papermaking, refractory materials, machinery manufacturing, coatings and welding electrodes. 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 discard the poor, especially for those feldspar mines with lower potassium and sodium grades and more impurities. Inquire. In recent years, although some mines have simply processed the raw ore, at most they only added a section of strong magnetic process to make Fe 2 O 3 The c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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