欢迎访问《金属矿山》杂志官方网站,今天是 分享到:

金属矿山 ›› 2019, Vol. 48 ›› Issue (11): 88-93.

• 矿物工程 • 上一篇    下一篇

缅甸某氧硫混合铅锌矿石浮选试验研究

吕超1,2,3,李斯4,王海博5,梁溢强1,2,3   

  1. 1. 昆明冶金研究院,云南 昆明 650031;2. 云南省选冶新技术重点实验室,云南 昆明 650031;3. 共伴生有色金属资源加压湿法冶金技术国家重点实验室,云南 昆明 650031;4. 北京盈科(昆明)律师事务所,云南 昆明 650224;5.太原理工大学基础学院,山西 太原 030024
  • 出版日期:2019-11-15 发布日期:2020-01-03

Study on Flotation Experiment of a Sulfur-oxygen Mixed Lead-Zinc Ore in Burma

Lv Chao1,2,3,Li Si4,Wang Haibo5,Liang Yiqiang1,2,3   

  1. 1. Kunming Metallurgy Institute, Kunming 650031, China; 2. Yunnan Key Laboratory for New Technology of Beneficiation Metallurgy, Kunming 650031, China;3. State Key Laboratory of Pressure Hydrometallurgical Technology of Associated Nonferrous Metal Resources, Kunming 650031, China; 4. Beijing Yingke(Kunming) Law Firm, Kunming 650224, China; 5. College of Foundation Studies, Taiyuan University of Technology, Taiyuan 030024, China
  • Online:2019-11-15 Published:2020-01-03

摘要: 为开发利用缅甸某氧硫混合铅锌矿石,在对矿石进行工艺矿物学研究的基础上进行了选矿试验研究。结果表明,矿石含铅4.70%、含锌5.51%、银含量为150.66 g/t,主要杂质成分SiO2含量为30.45%,其次为CaO和MgO;铅矿物氧化率约22%,锌矿物氧化率约17%,Pb主要以方铅矿形式存在,其次为白铅矿,Zn主要以闪锌矿形式存在,其次为菱锌矿;试验采用1粗1扫2精优先浮选流程选铅,1粗1扫3精浮选流程选锌,磨矿细度为-0.074 mm占80%情况下获得了Pb品位为61.25%、Ag品位为1 791.53 g/t、Pb回收率为91.24%、Ag回收率为82.94%、含Zn4.43%、Zn回收率5.63%的富银Pb精矿,以及Zn品位为50.86%、含Ag174.25 g/t、Zn回收率为88.68%、Ag回收率为11.07%、含Pb2.39%、Pb回收率4.88%的Zn精矿的良好试验指标。

关键词: 氧硫混合铅锌矿石, 优先浮选, 硫化&mdash, 黄药

Abstract: In order to develop and utilize the sulfur-oxygen mixed lead-zinc ore in Burma, the mineral processing experiment was carried out based on the study of process mineralogy. The results showed that the raw ore contains lead 4.70%, zinc 5.51%,and silver 150.66 g/t, and the major impurity is SiO2 with the content of 30.45%, followed by CaO and MgO. The oxidation rate of lead mineral and zinc mineral are about 22% and 17%, respectively. Lead mainly exists in the form of galena, followed by cerusite and zinc mainly exists in the form of sphalerite, followed by smithsonite. One roughing-one scavenging-two cleaning process was adopted to select lead preferentially and one roughing-one scavenging-three cleaning was adopted to select zinc. With the grinding fineness of -0.074 mm accounting for 80%, silver-rich lead concentrate with lead grade of 61.25%, silver grade of 1 791.53 g/t, lead recovery rate of 91.24%, silver recovery rate of 82.94%, zinc content of 4.43% and zinc recovery rate of 5.63% was obtained. Meanwhile, zinc concentrate with zinc grade of 50.86%, silver content of 174.25 g/t, zinc recovery rate of 88.68%, silver recovery rate of 11.07%, lead content of 2.39% and lead recovery rate of 4.88% was obtained, which indicated better separating indexes.

Key words: Sulfur-oxide mixed lead-zinc ore, Preferential flotation, Vulcanization-xanthate