山东某钛铁矿石工艺矿物学研究  

Process Mineralogy Study of a Titanium Iron Ore of Shandong

作　　者：马驰[1,2] 卫敏[1,2] 卞孝东[1,2] 王守敬[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：《金属矿山》2016年第3期103-106,共4页Metal Mine

摘　　要：为配合山东某大型岩浆分异型钛铁矿资源的开发,对有代表性矿石进行了工艺矿物学研究。结果表明：1该钛铁矿中主要有用金属矿物为钛铁矿和磁铁矿,次要含钛矿物为榍石;脉石矿物主要是角闪石和辉石。2矿石中粗粒钛铁矿多与磁铁矿和榍石紧密共生,三者集合体的粒度主要集中在0.5~0.1 mm,细粒、微细粒钛铁矿和榍石呈固溶体分离结构多分布在辉石、角闪石和黑云母中,一般粒度小于0.004 mm。3矿石中角闪石、辉石等含钛矿物和钛铁矿、榍石极微细粒呈出熔结构产出将造成Ti O2回收率较低。4多达54.42%的铁赋存在硅酸盐、碳酸盐和金属硫化物中将造成铁回收率较低。因此,该矿石属难选钛铁矿石。In order to meet the development of the a large magmatic shaped-type ilmenite resources,the research on the process mineralogy of a representative ore was carried out. Results show that： 1The main useful minerals are ilmenite and magnetite in ilmenite ore,secondary titanium containing mineral is titanite,and gangue minerals are mainly amphibole and pyroxene. 2Coarse ore ilmenite are closely associated with magnetite and sphene,and the size of three aggregates mainly concentrated in the 0. 5 ~ 0. 1 mm. With the solid solution isolating structure,fine,microfine ilmenite and sphene are distributed in pyroxene,hornblende and biotite in general,with particle size less than 0. 004 mm. 3That the titanium-containing minerals like amphibole and pyroxene,and ilmenite,titanite exist in a very fine particle isolating structure of solid solution is the main reason for lowering Ti O2 recoveries. 4 As many as 54. 42% of iron element exists in silicate,carbonate and metal sulfide is the main reason for low iron recovery. The ilmenite ore belongs to refractory ilmenite ore.

关 键 词：钛铁矿 磁铁矿 榍石 嵌布粒度 集合体 工艺矿物学 

分 类 号：TD91[矿业工程—选矿]