红格钒钛磁铁矿中铁、铬的赋存状态研究  

Study on the occurrence state of iron and chromium in Hongge vanadium-titanomagnetite ore

作　　者：王利珍[1] 姜楚灵[1] 朱家祥 阳华玲[1] 易峦[1] Wang Lizhen;Jiang Chuling;Zhu Jiaxiang;Yang Hualing;Yi Luan(Changsha Research Institute of Mining and Metallurgy Co.Ltd.,Changsha 410012,Hunan,China)

机构地区：[1]长沙矿冶研究院有限责任公司,湖南长沙410012

出　　处：《钢铁钒钛》2024年第2期102-107,共6页Iron Steel Vanadium Titanium

基　　金：国家重点基础研究发展规划(2013CB63200);973计划项目(2013CB632602)。

摘　　要：通过化学多元素分析、物相分析、X射线衍射分析、光学显微镜和MLA等多种现代测试手段对攀枝花红格高铬型钒钛磁铁矿的化学组成、矿物种类及含量、含铬矿物的能谱微区成分分析-平衡概算-产出形式、钛磁铁矿的粒度及解离度等方面进行详细研究,查清了铬的分布状态及其富集趋势和铁精矿的理论指标,综合分析了磨矿细度及其对应铁精矿的理想指标,明确了影响选矿效果的主要矿物学因素,为综合开发利用红格钒钛磁铁矿提供了详细的科学依据。By means of chemical multi-element analysis,phase analysis,X-ray diffraction analysis,optical microscopy,MLA and other modern testing methods,this paper studied in detail the chemical composition,mineral species and content,microcomponent analysis of energy spectrum for chromium-containing minerals,equilibrium estimate for chromium,the occurrence state for chromium-containing minerals,particle size and liberation degree of titanomagnetite in Panzhihua Hongge high chromium vanadium-titanium magnetite ore.The distribution and enrichment trend of chromium and the theoretical index of iron concentrate were ascertained.The grinding fineness and the ideal index of iron concentrate were analyzed comprehensively.The main mineralogical factors affecting the sorting effect were identified,which provided a detailed scientific basis for the comprehensive development and utilization of Hongge vanadium-titanium magnetite.

关 键 词：钒钛磁铁矿 红格矿区 工艺矿物学 矿石性质 铬 赋存状态 

分 类 号：TD981[矿业工程—选矿] TD92