青海省某高硫磁铁矿选矿试验研究  

Test Research on Beneficiation of a High Sulfur Magnetite Ore from Qinghai

作　　者：张凌燕[1] 周少军[1] 唐华伟[1] 赖伟强[1] 卜俊芬[1] 吕义[1] 

机构地区：[1]武汉理工大学

出　　处：《金属矿山》2008年第9期48-50,64,共4页Metal Mine

摘　　要：青海省某磁铁矿,含主要有色金属元素Zn、Cu,其嵌布粒度细,在磨矿细度-0.074mm达90.07%时,采用浮选-磁选的工艺回收该磁铁矿,可获得TFe68.76%铁精矿、铁回收率80.22%、含硫1.08%。同时获得含硫26.09%的硫精矿,硫回收率65.51%,并且富集了Cu、Zn等金属元素。该铁精矿再经过氧化焙烧,可使含硫量降至0.2%以下,达到优质铁精矿的质量标准。A Qinghai magnetite ore contains non-fetxous metals such as zinc and copper that have fine dissemination grain sizes. A process consisting of flotation and magnetic separation was used for processing this high sulfur magnetite ore. At a grinding size of 90.07% - 0. 074 mm,an iron concentrate containing 68.76% TFe and 1.08% sulfur at an iron recovery of 80.22% was obtained. Meanwhile ,a sulfur concentrate grading 26.09% at a sulfur recovery of 65.51% was also gained, in which some metal elements such as Copper and zinc were enriched. This iron concentrate was then processed by oxidized roasting to reduce its sulfur content to below 0.2% , reaching the quality standard for fine quality iron concentrate.

关 键 词：高硫磁铁矿 浮选-磁选工艺 氧化焙烧 

分 类 号：TD951.1[矿业工程—选矿] TD952