澳大利亚某赤铁矿石选矿试验研究  

Hematite Separation Experiment and Research for Iron Ore of South Australia

作　　者：王二锋[1,2] 王建业[1,2] 于岸洲[1,2] 

机构地区：[1]中国地质科学院郑州矿产综合利用研究所,河南郑州450006 [2]国家非金属矿资源综合利用工程技术研究中心,河南郑州450006

出　　处：《河南科技》2016年第17期105-107,共3页Henan Science and Technology

摘　　要：根据澳大利亚某赤铁矿石的矿石性质,通过开展选矿试验研究,制定了选别工艺方案。受澳大利亚矿区对环境保护等方面的限制,不能采用浮选工艺,原矿工艺选别工艺原则上采用破碎-磨矿-磁选工艺。采用粗磨条件下有效抛尾,保证了有用铁矿物的富集,并且降低了后续流程作业的压力,取得了良好的选矿效果。通过试验最终确定赤铁矿石选别工艺流程采用两段磨矿四段磁选工艺流程,最终可以获得总精矿产率(对原矿)38.75%、铁品位61.33%、铁回收率(对原矿)73.29%的铁精矿(精矿合并)。According to mineral properties of the hematite of Australia, through the exploration research, the scheme of the separation technology was formulated. Restricted by environmental protection and other aspects of the Australian mineral area, flotation process can＇t be used, and in principle, the undressed mineral separation process adopted crushing - grinding - magnetic separation technology. Through the effective toss tail under the coarse grinding condition, the enrichment of useful iron minerals was ensured, and the pressure of the subsequent process operation was reduced, and the favorable mineral separation effect was achieved. This experiment finally confirmed that the hematite separation flowsheet used the flowsheet including two pieces of grinding and four pieces of magnetic separation, and obtained the concentrate iron （concentrate iron in the merger） of 38.75% total rate of concentrate iron （for raw ore）, 61.33% iron grade and 73.29% iron recovery.

关 键 词：赤铁矿 矿石性质 磁选 

分 类 号：TD951[矿业工程—选矿]