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黄铁矿与铜、锌硫化物的精矿通常是在经过筒式真空过滤机过滤之后仍含有10—50％水分的情况下进行干燥的。目前,供硫化物原料干燥用的圆筒干燥机存在
Pyrite and copper, zinc sulfide concentrates are usually dried in the presence of 10-50% moisture even after filtration through a cartridge vacuum filter. Currently, drum dryers for the drying of sulfide raw materials exist