大孤山选厂三选车间流程优化试验研究

Experimental study on flow optimization of the third separation workshop in Dagushan concentrator

为适应大孤山铁矿进入深部开采后矿石性质的变化， 选厂采用两段连续磨矿粗细分选、重－ 磁选的选别试验，获得了较好的选别指标，降低了能耗，提高了经济效益。

In order to adapt to the change of the ore properties in deep mining in Dagushan iron mine, the test of coarse fine grain separation and gravity magnetic separation with two stage continuous grinding was carried out. The good separation indexes were obtained, the energy consumption was reduced and economic benefits were increased.