欢迎访问《金属矿山》杂志官方网站,今天是 分享到:
×

扫码分享

金属矿山 ›› 2015, Vol. 44 ›› Issue (11): 91-94.

• 矿物工程 • 上一篇    下一篇

广西某含银难选铅锌矿石选矿试验

袁华玮1,2,刘全军1,2,张辉1,2,张一超1,2   

  1. 1.复杂有色金属资源清洁利用国家重点实验室,云南 昆明 650093;2.昆明理工大学国土资源工程学院,云南 昆明 650093
  • 出版日期:2015-11-15 发布日期:2015-12-16

Experimental Study on a Refractory Silver-bearing Lead-zinc Ore of Guangxi

Yuan Huawei1,2,Liu Quanjun1,2,Zhang Hui1,2,Zhang Yichao1,2   

  1. 1.State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming 650093,China;2.Faculty of Land Resource Engineering,Kunming University of Science and Technology,Kunming 650093,China
  • Online:2015-11-15 Published:2015-12-16

摘要: 广西某含银铅锌矿石铅氧化程度很高,各矿物共生关系密切,嵌布粒度较细,泥化较严重,属极难选氧化铅锌矿石。为确定该矿石的开发利用方案,对该矿石进行了选矿试验研究。结果表明,在磨矿细度为-0.074 mm占92%的情况下,采用1粗1扫2精选硫化铅、1粗1扫2精选锌、1粗2扫3精选氧化铅、中矿顺序返回流程,最终可获得铅品位为42.21%、含银1 682.67 g/t、铅回收率为41.40%、银回收率为37.28%的硫化铅精矿,锌品位为48.86%、含银242.00 g/t、锌回收率为78.56%、银回收率为21.69%的锌精矿,以及铅品位为48.27%、含银2 336.28 g/t、铅回收率为34.80%、银回收率为38.06%的氧化铅精矿,铅总精矿铅品位为44.77%、铅回收率为76.20%、银品位为1 959.83 g/t、银回收率为75.34%。试验指标较理想,可作为该矿石开发利用依据。

关键词: 氧化铅锌矿石, 优先浮选, 抑锌浮铅

Abstract: There is a silver-bearing lead-zinc ore with high oxidation rate,every mineral are closely associated with each other and fine disseminated,thus serious sliming,belongs to refractory oxidation lead-zinc ore.Beneficiation experiment was conducted in order to exploitation and utilization the ore.The results indicated that under the condition of the grinding fineness -0.074 mm accounted for 92%,utilize the flow of one roughing-two cleaning-one scavenging to float lead sulfide,one roughing-two cleaning-one scavenging to float zinc,and one roughing-three cleaning-two scavenging to float lead oxide,lead sulfide concentrate contain 42.21% Pb and 1 682.67 g/t silver,with lead recovery of 41.40% and silver recovery of 37.28%,zinc concentrate contain 48.86% Zn and 242.00 g/t silver,with zinc recovery of 78.56% and silver recovery of 21.69%,lead oxide concentrate contain 48.27% Pb and 2 336.28 g/t silver,with lead recovery of 34.80% and silver recovery of 38.06%,the total lead concentrate contain 44.77% Pb and 1 959.83 g/t silver,with lead recovery of 76.20% and silver recovery of 75.34%.The test index is relatively proper to be a basis for development and utilization of minerals.

Key words: Oxide lead-zinc ore, Selective flotation, Lead depressing and zinc flotation