从多金属矿中综合回收钨锡选矿新工艺研究  

The research of mineral processing technology for comprehensive recovering of fine associated tin from tungsten polymetallic ore

作　　者：邓丽红 周晓彤 付广钦 关通 陈远林 DENG Lihong;ZHOU Xiaotong;FU Guangqin;GUANG Tong;CHENG Yuanlin(Guangdong Institute of Resources Comprehensive Utilization,State Key Laboratory of Rare Metal Separation and Comprehensive Utilization,Guangdong Provincial Key Laboratory of Development and Comprehensive Utilization of Mineral Resources,Guangzhou 510650,China)

机构地区：[1]广东省资源综合利用研究所稀有金属分离与综合利用国家重点实验室广东省矿产资源开发与综合利用重点实验室,广东广州510650

出　　处：《材料研究与应用》2018年第3期218-224,共7页Materials Research and Application

基　　金："十二五"国家科技支撑计划课题(2015BAB14B02);广东省省级科技计划项目(2015B070701022);广东省省级科技计划项目(2015B020215010);广东省科学院专项项目(2017GDASCX-0109)

摘　　要：某钨多金属矿中伴生的锡矿物品位低于0.15%难以有效回收,经磁浮选别后,硫化矿的浮选尾矿中WO3品位为0.45%和Sn品位为0.11%.对硫化矿浮选尾矿进行钨锡混合浮选,钨锡混合浮选精矿经重选富集,在Na2CO3为调整剂、YD为抑制剂、Pb(NO3)为活化剂、WB与WP为组合捕收剂的条件下,小型试验最终得到:品位62.24%的WO3和品位5.38%的Sn,钨回收率62.20%、锡回收率24.03%的钨锡混合精矿;WO3品位为35.11%、钨回收率为10.92%的钨精矿,总钨回收率为73.12%,达到了回收钨矿物的同时综合回收锡矿物的目的.Tin minerals which associated with tungsten polymetallic ores are difficult to recover ,because of its grade 〈0.15%. After magnetic-flotation separation, sulphide flotation tailings with grade of 0.45 % WO 3 and 0.11%Sn was obtained.Firsdy the tungsten-tin bulk flotation was performed on a sulfide-flotation tailings , under the conditions of Na 2 CO 3 as modifier,YD as depressor, Pb（NO 3 ） as activator, WB and WP as combination collector, then the tungsten-tin rough concentrate was treated by gravity.In the bench test ,the following indexes were obtained：the tungsten-tin bulk concentrate with grade of 62.24%WO 3 and 5.38%Sn, the tungsten recovery was 62.20%,the tin recovery was 24.03%;the tungsten concentrate with grade of 35.11%WO 3 ,the tuntsten recovery was 10.92%;the total tungsten recovery was 73.12%.Finally, the purpose of comprehensively recovering tin resources while recovering tungsten minerals was achieved.

关 键 词：锡石 低品位 钨锡混合浮选 重选 

分 类 号：TD923[矿业工程—选矿]