云南磨憨砂岩铜矿的浮选回收  

STUDY OF FLOTATION RECOVERY OF SANDSTONE COPPER DEPOSIT IN MOHAN OF YUNNAN

作　　者：翟德平[1,2] 戈保梁 焦鑫[1,2] 黄旭 ZHAI De-ping;GE Bao-liang;JIAO Xin;HUANG Xu(Faculty of Land and Resource Engineering,Kunming Universityof Science and Technology,Kunming 650093,China;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming 650093, China)

机构地区：[1]昆明理工大学国土资源工程学院,昆明650093 [2]复杂有色金属资源清洁利用国家重点实验室,昆明650093

出　　处：《矿冶》2018年第6期6-9,16,共5页Mining And Metallurgy

摘　　要：云南磨憨砂岩铜矿含铜0. 77%,其中以氧化铜形式存在的铜金属率达45. 45%。孔雀石为主要铜矿物和目的矿物,具有氧化不充分,与褐铁矿伴生的特点,为难选矿石。浮选试验结果表明,以3 000 g/t石灰作调整剂和抑制剂、1 000 g/t硫化钠作活化剂、90 g/t丁基黄药作捕收剂、35 g/t松醇油作为起泡剂,在磨矿细度-74μm占比85%的条件下,经过"三次粗选—二次精选—一次扫选"流程,可实现铜品位18. 006%,铜回收率80. 01%的浮选指标。A sandstone copper deposit in Mohan,Yunnan contains 0.77%copper,in which oxide copper accounts for 45.45%of the metal rate.The main copper mineral is malachite.Due to its insufficient oxidation and highly mixed with limonite blending,the ore is relatively refractory.The flotation experiment results show that:3 000 g/t lime as regulator and depressor,1 000 g/t Na 2 S as activator,90 g/t butyl xanthate as collector,35 g/t pine oil as frother,under the grinding fineness of-74μm accounted for 85%,after 3 roughing-2 selecting-1 scavenging,we had a result of 18.006%grade and 80.01%recovery.

关 键 词：砂岩铜矿 浮选 回收 氧硫混选 

分 类 号：TD952[矿业工程—选矿]