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什么叫粗选?什么精矿?什么叫扫选

Release date:2018-12-19  source:中南选矿网  Browse times:447
        矿石经初次选别后,如浮选、重选或磁选,将其中所含的部分脉石选出,得到了高于原矿品位的产物,称为粗精矿.一般还达不到精矿质量的要求,这一工序称为粗选作业。将粗精矿进行再选以得到合格的精矿,这一工序称为精选作业。有时需要将粗精矿经过几次精选才能得到合格的精矿,其次作业依次称为一次精选、二次精选、三次精选等。

一般粗选尾矿还含有一定量的粗选目的矿物,不能作为最终尾矿废弃,往往还需进人下一步作业处理。这一作业称为扫选。为了提高属的回收率,有时需要经过多次扫选才能得出最终尾矿。

 
 
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