武山铜矿细粒级黄铁矿浮选强化研究  

Flotation strengthening of fine-grained pyrite from wushan copper mine

作　　者：柯圣钊 丘世澄 刘国蓉 KE Shengzhao;QIU Shicheng;LIU Guorong(Wu Shan copper mine of Jiangxi Copper Corporation,Ruichang 332204,China;BGRIMM Machinery and Automation Technology Co.,Ltd.,Beijing 100160,China)

机构地区：[1]江西铜业股份有限公司武山铜矿,江西瑞昌332204 [2]北矿机电科技有限责任公司北京市高效节能矿冶技术装备工程技术研究中心,北京100160

出　　处：《有色设备》2024年第3期70-75,共6页Nonferrous Metallurgical Equipment

基　　金：中国和乌兹别克斯坦政府间联合研发项目复杂金矿资源绿色高效选矿技术与装备研究(2022YFE0126700)。

摘　　要：武山铜矿选铜尾矿一次分级溢流产品含硫量6.39%,-0.023 mm粒度占86.00%,属极细粒级黄铁矿。为减少尾矿中硫的损失,简化工艺流程,采用专用细粒高效浮选装备对尾矿中的硫进行回收。浮选试验采用丁基黄药作为捕收剂,BK204作为起泡剂,中矿顺序返回进行“两粗两扫两精”闭路试验,精矿硫品位为46.16%,回收率为81.25%。扩大试验采用预先高强度改质调浆+BGRIMM专用高效细粒浮选装备,经过“两粗一扫两精”作业后,精矿含硫量46.02%,硫作业回收率85.76%。The primary grading overflow product of copper dressing tailings of Wushan Copper Mine contains 6.39%pyrite,-0.023 mm accounting for 86.00%,which belongs to extremely fine-pyrite.In order to reduced the loss of pyrite in tailings and simplified process flow,a special fine flotation equipment was used to recover the pyrite in tailings.In the flotation test,butyl xanthate was used as the collector and BK204 as the foaming agent,the intermediate ore was sequentially returned for a“two coarse,two sweep,and two fine”closed circuit test.The concentrate had an S grade of 46.16%and a recovery rate of 81.25%.The expansion experiment used pre-strength modified slurry and BGRIMM specialized high-efficiency fine particle flotation equipment.After the“two coarse,one sweep,and two fine”operation,the concentrate contents 46.02%pyrite,and the pyrite recovery rate was 85.76%.

关 键 词：细粒级黄铁矿 扩大试验 细粒浮选设备 微细粒浮选 

分 类 号：TD954[矿业工程—选矿]