高铁闪锌矿高温氧化焙烧产物物相结构分析  

The Phase Structure Analysis of High-iron Sphalerite in High-temperature Oxidation Roasting

作　　者：邓勇[1] 张丁川 杨斌[1,2] 熊恒[1,2] 

机构地区：[1]昆明理工大学真空冶金国家工程实验室,昆明650093 [2]云南省有色金属真空冶金重点实验室,昆明650093

出　　处：《材料导报》2015年第22期109-112,共4页Materials Reports

基　　金：云南省科技厅面上自筹项目(2013FZ034);昆明理工大学校企基金

摘　　要：高铁闪锌矿的成分较为复杂，形成焙砂矿中氧化物的存在形态也较多。将锌精矿高温氧化焙烧产物进行多次综合取样，分析高铁高铟闪锌矿焙砂的结构及其物相组成，研究结果表明：生成的焙砂粒度大部分在35-200目之间，占总量的82．27％；焙砂主要由ZnO、ZnFe2O4、Zn2SiO4、Fe3O4组成，各氧化物在焙砂中所占的比例会随着颗粒大小的变化而有所不同。焙砂200-300目中ZnO的含量最高，同时存在少量的ZnFe2P4及铁的氧化物，在35～200目中铁的氧化物分布较广泛，在大于35目的焙砂中Zn2SiO4分布较广泛。There are a lot of oxides in roasted product because of the complicated composition of high iron sphalerite. The structure and phase composition of roasted product were analyzed, by repeatedly sampling of comprehensive of the industrial production in high temperature oxidation roasting high iron sphalerite. The results show that： most roasted product are between 35-200 mesh, accounting for 82. 27% of the total; It is mainly composed of ZnO, ZnFe2 04, Zn2 SiO4 and Fea 04 , and various oxide proportion will vary with the change of particle size. The highest content is ZnO in 200-300 mesh, at the same time there are a little ZnFe204 and iron oxide. The iron oxide distribute broadly in 35-200 mesh, and the Zn2 SiO4 widely distribute in greater than 35 mesh in roasted product.

关 键 词：高铁闪锌矿 高温氧化焙烧 XRD EDS 物相结构 

分 类 号：TF813[冶金工程—有色金属冶金]