On the basis of original grinding system,the hydraulic cyclone was added to carry out secondary controlled classification,and the ore pulp,after enrichment,was sent to the process flowpath of CIL.

• 紫金山金矿炭浆厂通过对原有的磨矿作业增加水力旋流器进行二次控制分级、矿浆经浓缩后进入炭浸工艺的技术改造，取得了较好的经济指标。