某铜冶炼渣铜选矿试验研究

针对甘肃某公司所属的铜冶炼渣成分复杂、嵌布粒度不均匀的性质特点采用优先快速浮选出一部分易浮铜矿物得到合格的铜精矿1,优先浮选尾矿经一次粗选、三次精选、一次扫选获得合格的铜精矿2,一次精选中矿及扫选中矿返回球磨机再磨的工艺流程,铜粗选二采用针对该铜冶炼渣性质研制的新型捕收起泡剂酯-11,闭路试验获得了铜品位为29.69%,铜回收率为85.62%的总铜精矿,试验指标良好,为现场工艺改进提供了技术依据。

Mineral Processing Experiment on Copper Smelting Slag

In view of the characteristic of composition complex, uneven disseminated extent of copper smelting slag in a Gansu enterprise, the following flowsheet was adopted:a part of copper content of easy floatation was floated with rapid se?lective?flotation to acquire copper concentrate 1, then the qualified copper concentrate. 2 was acquired by once roughing, triple refined concentration and once scavenging from the preferential flotation tailings, the middings of once concentrating and scavenging was returned to ball mill. The new collecting foaming agent ester?11 which was developed aiming at the char?acteristic of this slag was adopted in the second copper roughing. Closed?circuit test obtained the total copper content with copper grade 29.69%, copper recovery 85.62%, the indexes was well, which provides technical basis for process improve?ment.