关宝山浮选尾矿工艺矿物学研究

Study on Process Mineralogy for Flotation Tailings in Guanbaoshan

为实现关宝山浮选尾矿的回收利用,采用MLA系统对试样进行了工艺矿物学研究。结果表明,试样中磁(赤)铁矿、菱铁矿和褐铁矿的含量分别为23.27%、7.04%和2.14%,为主要含铁矿物,其中铁分布率分别为79.13%、14.12%和5.91%,主要脉石矿物为石英,含量为66.53%;3种铁矿物的粒度分布极细,脉石矿物的粒度较细;试样中的铁矿物和脉石矿物均存在相当数量的单体,但更多的是连生体,且连生关系密切。该研究结果可作为该铁尾矿资源综合利用的依据。

In order to realize the recovery and utilization of flotation tailings in Guanbaoshan,the MLA system was used to study the process mineralogy of samples.The results showed that the content of magnetite(hematite),siderite and limonite in the sample are 23.27%,7.04%and 2.14%respectively,which are the main iron-bearing minerals,of which the iron distribution rates are 79.13%,14.12%and5.91%respectively.The main gangue mineral is quartz with the content of 66.53%.The grain size distribution of the three iron minerals is very fine,and the grain size of gangue minerals is fine.The iron mineral and gangue mineral in the sample have a certain amount of monomer,but more of them are intergrowth,and the intergrowth relationship is close.The research results can be used as the basis for the comprehensive utilization of the iron tailings resources.