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云锡选矿生产过程中关于细泥的沉降方面,存在着两大问题:一是细粒尾矿沉降速度慢,厂前回水率低,一般为60％左右(国外为90—95％),不能满足生产用水要求,需要大量补充清水,造成电力消耗大,生产成本高,据调查资料得出,有的选厂回水率只有60—65％须大量补给清水方能保持正常生产,其清水费用尽占
There are two major problems in the settlement of fine silt in the process of cloud tin beneficiation: First, the settling rate of fine-grained tailings is slow and the return rate before the plant is low, generally about 60% (90-95% abroad), not According to the survey data, some of the selected plant return water rate of only 60-65% to a large number of replenishment of water to maintain normal production, the water costs Make up