in ore dressing industry, when useful minerals are embedded in ores, in order to remove gangue from the ores and separate all kinds of useful minerals, the ores must be grinded into 0.1mm-0.3mm, sometimes even below 0.05mm-0.074mm. fineness of grinding has a close relationship to beneficiation indexes.
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the popular gold ore crushers are small jaw crusher, hammer crusher, ball mill and matched sand washing machines and vibrating screens. double is a professional silica sand making machine manufacturer, in iron ore dressing plant contain spiral classifier,flotation machines, filter, concentrator and dryer
shanghai heavy machinery co., ltd., the former first machinery factory, founded in china machinery manufacturing capital in 1982, is a large joint-stock company specialized in manufacturing heavy mining machinery and civilian machinery; it has six production bases with an area of 240,000 square meters, more than 2000 existing employees, 160,000 square meters standardized heavy
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