某矽卡岩型铜硫矿资源综合回收工艺  

Comprehensive Recovery Process of Skarn TypeCopper-sulfur Ore Resources

作　　者：张晶 唐鑫 吕向文 简胜 乔吉波 张琳 ZHANG Jing;TANG Xin;LYU Xiangwen;JIAN Sheng;QIAO Jibo;ZHANG Lin(Kunming Metallurgy Institute Co.,Ltd.,Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy,National Key Laboratory of Enhanced Metallurgical New Technology for Non-ferrous Metals,Kunming 650031,Yunnan,China)

机构地区：[1]昆明冶金研究院有限公司,云南省选冶新技术重点实验室,有色金属强化冶金新技术全国重点实验室,云南昆明650031

出　　处：《矿产综合利用》2024年第3期150-156,共7页Multipurpose Utilization of Mineral Resources

基　　金：云南省科技人才与平台计划(202305AD160054)。

摘　　要：这是一篇矿物加工工程领域的论文。针对某矽卡岩性铜矿石嵌布粒度较细及有价元素种类多,分别为铜、硫、铁和伴生元素银的特点。比较了铜优先浮选、铜硫混合浮选-铜硫分离两种工艺对资源综合回收的影响,其中铜硫混浮-铜硫分离工艺可以实现铜、硫、银的较好回收,同时磁铁矿有一定回收价值。实验可以得到铜品位24.39%、铜回收率91.68%的铜精矿,硫品位33.10%、硫回收率61.19%的硫精矿。银在铜精矿中得到了富集,银品位185 g/t、银回收率83.21%。浮选尾矿经再磨后磁选可以增加铁精矿回收率,经过两段弱磁选可以得到铁品位56.48%,铁回收率33.84%的铁精矿,该工艺可为同类型矿石选矿提供意见参考。This is an article in the field of mineral processing engineering.For a skarn copper ore,the disseminated particle size is fine,the valuable elements in the ore are Cu,S,Fe and the associated element Ag.Compared with the effects of copper preferential flotation and copper-sulfur mixed flotation-coppersulfur separation on the comprehensive recovery,the copper-sulfur mixed flotation-copper-sulfur separation process can achieve better recovery of copper,sulfur and silver,and magnetite has a certain recovery value.Copper concentrate with copper grade of 24.39%and copper recovery of 91.68%and sulfur concentrate with sulfur grade of 33.10%and sulfur recovery of 61.19%were obtained by copper sulfur mixed flotation.Ag was enriched in the copper concentrate,with a grade of 185 g/t and Ag recovery of 83.21%.The recovery of iron concentrate can be increased after the regrinding magnetic separation of flotation tailings.With twostage weak magnetic separation,iron concentrate with iron grade of 56.48%and iron recovery of 33.84%can be obtained.The results can provide a reference for the similar copper sulfide.

关 键 词：矿物加工工程 铜硫矿 铜硫混选 铜硫分离 磁选 

分 类 号：TD952[矿业工程—选矿]