| 梅山铁矿硫的浮选 |
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| 引用本文： | 衣德强,张剑锋. 梅山铁矿硫的浮选[J]. 宝钢技术, 2010, 0(2): 40-44. DOI: 10.3969/j.issn.1008-0716.2010.02.009 |
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| 作者姓名： | 衣德强 张剑锋 |
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| 作者单位： | 上海梅山矿业有限公司科技管理部,江苏,南京,210041;上海梅山矿业有限公司科技管理部,江苏,南京,210041 |
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| 摘 要： | 为了降低铁精矿硫品位,提高选硫回收率,对梅山铁矿矿石性质和浮选生产工艺进行分析,针对矿石含硫不同开展了实验室试验、现场工业试验、电化学调整剂应用试验。结果表明,磨矿粒度是影响浮选指标的重要因素,Na2S化学调整剂适用于梅山铁矿的硫浮选。提出了六条技术措施:入选粒度由50 mm降低到40 mm,采用跳汰机重选设备,采用水力旋流器和高频细筛作为高效分级设备,二次分级溢流细度控制在-200目占65%～70%,稳定浮选矿浆量,推广使用充气式浮选机等,应用后硫回收率由74.62%提高到80.18%,产生了明显的经济效益和社会效益。
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| 关 键 词： | 黄铁矿 浮选工艺 调整剂 |
Sulphur Flotation of Meishan Iron Mine Ore |
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| YI Deqiang and ZHANG Jianfeng. Sulphur Flotation of Meishan Iron Mine Ore[J]. Baosteel Technology, 2010, 0(2): 40-44. DOI: 10.3969/j.issn.1008-0716.2010.02.009 |
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| Authors: | YI Deqiang and ZHANG Jianfeng |
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| Affiliation: | YI Deqiang and ZHANG Jianfeng(Science and Technology Management Department; Shanghai Meishan Mining Co.; Ltd.; Nanjing 210041; Jiangsu; China); |
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| Abstract: | For the purpose of reducing the iron concentrate sulphur grade and raising the recovery of sulphur,the characteristics of Meishan iron mine ore and flotation production process are analyzed.In view of sulphur-containing differences,the laboratory test,field industrial test and application test for electrochemical regulator were caried out.Results show that the grinding size is an important factor that influences the flotation index.The Na_2S chemical regulator is fit for the sulphur flotation of Meishan iro... |
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| Keywords: | pyrite flotation process regulator |
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