国内某低品位重晶石矿的浮选试验研究  

Experimental Research on Flotation of a Low-grade Barite Ore in China

作　　者：王洪君[1] 戴惠新[1] 杨伟林[1] 李停停[1] 

机构地区：[1]省部共建复杂有色金属资源清洁利用国家重点实验室昆明理工大学,云南昆明650093

出　　处：《矿产综合利用》2015年第4期42-45,共4页Multipurpose Utilization of Mineral Resources

基　　金：国家自然科学基金(51264020)

摘　　要：本文介绍了国内某低品位重晶石矿的选矿工艺研究，该重晶石原矿BaSO。含量为63．79％。通过对该矿石性质的分析和浮选试验研究，确定了选别该重晶石的最佳浮选条件，在磨矿细度-0．074mm80％、pH值为8～9、水玻璃500r／t、油酸钠800r／t的浮选条件下，采用“一粗、二精、一扫、中矿顺序返回”的浮选闭路工艺流程，获得了品位为96．82％、回收率为92．66％的重晶石精矿，该精矿产品可满足化工级重晶石产品的要求，对该类型矿产资源的综合利用具有一定的参考价值。This paper introduces the research on the beneficiation process of a low-grade barite ore taken from Chi- na. The ore sample assays 63.79% of BaSO4. Through the analysis of the ore properties and research on the flotation experiment, the optimum flotation conditions are determined. Under the flotation conditions of the grinding fineness- 0. 074ram 80%, pH 8 ~ 9, sodium silicate 500 g/t and sodium oleate 800 g/t, by adopting the flowsheet of one roug- hing, two cleanings and one scavenging, middling returning in order in the flotation process, the barite concentrate with the grade of 96. 82% at the recovery of 92. 66% is obtained and the concentrate product can meet the require- ments of chemical grade barite products ,which have some reference value for this type of mineral resources utiliza- tion.

关 键 词：低品位 重晶石 选矿工艺 浮选条件 

分 类 号：TD97[矿业工程—选矿]