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首页   >    选矿与冶炼

高含泥金矿石选矿工艺技术改造

  • 作者:
  • 白俊智
  • 作者单位:
  • 紫金矿业集团股份有限公司
  • 基金项目:

  • isnull
  • 详细信息:

  • 作者简介:
  • 白俊智(1977—),男,河北南皮人,工程师,从事金属矿山选矿技术及管理工作;福建省龙岩市上杭县紫金大道1号,紫金矿业集团股份有限公司,364200;E-mail:baijz2007@163.com
  • 通讯作者:
  • isnull
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Technical renovation on the beneficiation process for highly argillaceous gold ores

  • English Author:
  • Zijin Mining Group Co.,Ltd.
  • Unit:
  • 摘要
  • 在线预览
  • 参考文献

摘要:

某选矿厂处理矿石为蚀变岩型低硫化物含金矿石,其原生矿泥占比高达15 %,导致生产流程运行不畅,选别困难。经过2次技术改造,采用粗碎+半自磨+球磨的碎磨流程及浮选柱优先浮选+浮选机粗、精、扫选的柱-机联合浮选流程,取得了良好的效果,生产规模由600 t/d提高至1 500 t/d,金回收率提高1.48百分点,年创造效益1 489.6万元,经济效益和社会效益显著。

关键词:

高含泥金矿石;柱-机联合;浮选;碎磨;技术改造

Abstract:

An altered rock type low-sulfide gold-bearing ore with a primary slime content of up to 15 % is processed in a flotation plant,which is not a smooth production flowsheet and ineffective.Through 2 technical renovation,the coarse crushing+semi-auto grinding+ball mill grinding process and the preferential flotation with flotation column+roughing,cleaning and scavenging with column-cell joint flotation process are decided and have achieved good results:the production scale has increased from 600 t/d to 1 500 t/d,the gold recovery rate has increased by 1.48 percentage points,the annual profits created can be 14.896 million yuan.The process can generate great economic and social benefits.

Keywords:

highly argillaceous gold ores;column-cell combination;flotation;crushing and grinding;technical renovation