摘要
对某白云岩型低品位铅锌矿进行了工艺矿物学研究,发现该矿铅锌的氧化率高,矿石中Pb品位为1.92%,Zn品位为4.35%,属难选细粒矿石。通过探索试验研究,在磨矿细度-0.076 mm占89.2%的条件下,硫化铅和氧化铅分别粗选后的精矿合并经三次精选,锌经一粗二扫三精的闭路试验,可获得铅精矿含铅品位45.23%、回收率84.75%,夹杂含锌7.43%,锌精矿中含锌品位30.58%、回收率81.93%,夹杂含铅1.32%,尾矿中含铅0.14%,锌0.77%的较好指标。
This paper studied the mineralogy of a dolostone type low grade lead-zinc ore. It found the ore is difficult to choose that the oxide rates of lead （ Pb grade of 1.92% ） and zinc （ Zn grade of 4.35 % ） are high. Under the grinding fineness - 0. 076 mm of 89.2% , the better results of lead concentrate grade of 45.23%, recovery of 84.75% ,bearing zinc grade of 7.43% ,zinc concentrate grade of 30. 58% ,recovery of 81.93% ,bearing lead grade of 1.32% ,the tailings bearing lead grade of 0. 14%, zinc grade of 0. 77% were obtained through the open circuit tests that three cleaning of mixed rougher concentrate of lead sulfide and lead oxide, one roughing two scavenging three cleaning of zinc rougher concentrate.
出处
《湖南有色金属》
CAS
2018年第1期16-20,45,共6页
Hunan Nonferrous Metals
基金
江西省重点研发计划(20171BBG70045)
江西省教育厅课题(GJJ150651)
作者简介
石贵明（1982-），男，副教授，主要从事矿石碎磨理论与工艺、矿物分选等研究工作。
