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黄金科学技术 ›› 2016, Vol. 24 ›› Issue (3): 87-93.doi: 10.11872/j.issn.1005-2518.2016.03.087

• 采选技术与矿山管理 • 上一篇    下一篇

安徽某金铅锌硫化矿选矿新工艺试验研究

冯章标1,俞献林1,陈江安1,2   

  1. 1.江西理工大学资源与环境工程学院,江西  赣州   341000;
    2.江西省矿业工程重点实验室,江西  赣州   341000
  • 收稿日期:2016-03-31 修回日期:2016-04-19 出版日期:2016-06-28 发布日期:2016-10-08
  • 作者简介:冯章标(1990-),男,福建尤溪人,硕士研究生,从事矿物加工工程研究工作。1119468314@qq.com
  • 基金资助:

    国家自然科学基金项目 “白钨矿浮选体系大分子抑制剂吸附行为与调控机制研究”(编号:51504103)资助

Experimental Study on a New Mineral Processing Technology for a Gold-Lead-Zinc Sulfide Ore in Anhui Province

FENG Zhangbiao1,YU Xianlin1,CHEN Jiang’an1,2#br#   

  1. 1.School of Resources and Environmental Engineering,Jiangxi University of Science and Technology,Ganzhou   341000,Jiangxi,China;
    2.Jiangxi Key Laboratory of Mining Engineering,Ganzhou   341000,Jiangxi,China
  • Received:2016-03-31 Revised:2016-04-19 Online:2016-06-28 Published:2016-10-08

摘要:

针对安徽某金铅锌复杂多金属硫化矿选矿指标较低、药剂制度复杂且用量大等问题,分析了原矿的矿物组成及矿石性质,并开展了大量探索性试验,最后提出采用磁选脱除磁黄铁矿—金铅混合浮选—金铅分离浮选—尾矿活化选锌的原则流程处理该矿石。结果显示:闭路试验可获得金含量为43.68×10-6,回收率为46.12%的金精矿;铅精矿中金含量为162.00×10-6,回收率为35.39%,铅含量为38.53%,回收率为72.24%,金的累积回收率达81.51%;锌精矿中锌含量为42.79%,回收率为67.51%。与原有选矿工艺相比,新工艺不仅提高了选矿指标还大幅减少了药剂用量。

关键词: 金铅锌硫化矿, 磁选, 磁黄铁矿, 混合浮选, 金铅分离浮选

Abstract:

For a gold-lead-zinc complex polymetallic sulfide ore in Anhui has a problem such as the low ore dressing indexes,the dosage of reagent system is complex and big.The mineral composition and ore characteristic of raw-ore is analyzed and a large number of exploratory experiments is explored.The last put forward the principle of process to deal with the ore by magnetic separation removal of pyrrhotite,gold-lead bulk flotation,gold-lead separation flotation,activation of tailings flotation zinc.By closed circuit texts can obtain the good indicators,and the gold concent rate with the Au grade of 43.67×10-6 and recovery rate of 46.11%;lead concentrate with the Au grade of 162.00×10-6 and recovery rate of 35.39%, Pb grade of 38.53% and recovery rate of 72.24%,the accumulation of the gold recovery rate is 81.50%;zinc concent rate with the Zn grade of 42.76% and recovery rate of 67.46%.This new method has a better index than the traditional process,as it can not only improve dressing indexes,but reduce a lot reagents dosage.

Key words: gold-lead-zinc sulfide ore, magnetic separation, pyrrhotite, bulk flotation, gold-lead separation flotation

中图分类号: 

  • TD853

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