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Application Analysis of Stirred Mill in Ore Beneficiation Production Line


With the dilution and hybridization of mineral resources and the reduction of the separating granularity, the ores need to be ground to finer to improve the ore beneficiation index and the product quality. In the ore beneficiation industry, kustelite, copper concentrate and lead zinc ore need to be ground to very fine particles in which the quantity of -400 Mesh products accounts for over 95%, some minerals even need to be ground to below -10um. As a superfine crushing machine, stirred mill can realize this goal and it has achieved good effect in the production practice.

Tower-type stirred mill is a highly-efficient and energy-saving superfine grinding machine which has the outstanding advantages of high ore grinding efficiency, energy conservancy, low noise and investment. China begin to research and develop this type of grinding mill in the early stage of the 1980s, and after many times of industrial experiments, the results show that this equipment can gain good comprehensive benefits when replacing common ball mill.

(1) Application in Gold Ore Beneficiation

Gold is covered by pyrite and the gold ore existing with the state of solid solution is one type that is difficult to extract. The key to gold extraction is to break the coverage of pyrite to fully separate the gold. Superfine ore grinding can be used as pre-processing to reduce the cost of pressure oxidation and bacterial oxidation.

(2) Application in Molybdenum Ore Beneficiation

The molybdenum market in our company has long been low and the main reason lies in the product quality. Traditional ore beneficiation technology is multi-stage grinding and multi-stage dressing, and the ore grinding equipment mainly uses traditional ball mill, which can easily produce argillization when the molybdenum ore is doing monomer separation and lead to over grinding, and this will bring negative influence to the flotation separation. The grade of the molybdenum concentrate produced by ball mill can only reach as high as 51%, and it is difficult to improve its grade. However, using superfine stirred mill makes it possible and the quantity of the ground ores whose fineness is -325 Mesh accounts for 80%.

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Hxjq company is engaged in mining, crushing and screening equipment, sand making and washing equipment, urban construction waste mobile crushing screening equipment, etc...

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