现代矿业
現代礦業
현대광업
Express Information of Mining Industry
2012年
4期
16-19
,共4页
鲕状磁铁矿%绿泥石%阶段磨选
鮞狀磁鐵礦%綠泥石%階段磨選
이상자철광%록니석%계단마선
Oolitic magnetite%Chlorite%Stage-grinding and dressing
湖北某铁矿为绿泥石型磁铁矿,该铁矿嵌布粒度微细,品位仅为12.69%,使用单一磁选方法铁精矿品位很难达到60%以上。通过对该磁铁矿进行阶段磨矿—弱磁选—反浮选流程试验,得到了品位为63.72%,回收率为42.48%的铁精矿,为开发利用该种类型的铁矿资源提供了参考依据。
湖北某鐵礦為綠泥石型磁鐵礦,該鐵礦嵌佈粒度微細,品位僅為12.69%,使用單一磁選方法鐵精礦品位很難達到60%以上。通過對該磁鐵礦進行階段磨礦—弱磁選—反浮選流程試驗,得到瞭品位為63.72%,迴收率為42.48%的鐵精礦,為開髮利用該種類型的鐵礦資源提供瞭參攷依據。
호북모철광위록니석형자철광,해철광감포립도미세,품위부위12.69%,사용단일자선방법철정광품위흔난체도60%이상。통과대해자철광진행계단마광—약자선—반부선류정시험,득도료품위위63.72%,회수솔위42.48%적철정광,위개발이용해충류형적철광자원제공료삼고의거。
The iron ore in Hubei province is chlorite type magnetite ore,dissemination size of this iron ore is fine and grade is only 12.69%,iron concentrate grade is hard above 60% by using single magnetic separation method.Through experiment of stage grinding-low intensity magnetic separation-reverse flotation process was done on this magnetite,iron concentrate of grade 63.72% and recovery rate 42.48% were obtained,provided reference for development and utilization of this kind of iron ore resource.
