某高硅磁精矿高效磁重选工艺提质降硅试验  

Quality Improvement and Silicon Content Reduction Test of Process of High Efficiency Magnetic and Gravity Separation for a Certain Magnetite Concentrate with High Silicon Content

作　　者：王建中 WANG Jianzhong(TISCO Mining Branch Jianshan Iron Ore, Taiyuan 030300, China)

机构地区：[1]太钢矿业分公司尖山铁矿工艺质量科,山西太原030300

出　　处：《矿业工程》2020年第2期34-37,共4页Mining Engineering

摘　　要：华北某铁矿磁精矿SiO2含量高达8.0%~9.0%,采用浮选工艺提铁降硅,存在因矿浆加热及药剂添加带来的环保问题,同时工序成本及金属流失较高。为解决上述问题,开展了高效磁重选工艺试验研究,取得了良好的效果。SiO2 content of a certain magnetite concentrate in North China can reach 8.0%and 9.0%.Floatation process is used to improve the Fe content and reduce Silicon content.The existing problem is that the heating of the slurry and adding of the agents bring environmental protection problems.Meanwhile,the process cost and metal loss is high.To solve the above-mentioned problems,researches are carried out for high efficiency magnetic and gravity separation process.Good test results are obtained.

关 键 词：高硅磁精矿 高效磁重选 提铁降硅 浓缩 再磨再选 

分 类 号：TD92[矿业工程—选矿]