甘肃冶金
甘肅冶金
감숙야금
GANSU METALLURGY
2014年
1期
1-4
,共4页
铁矿石%工艺矿物学%阶段磨矿%磁选%反浮选
鐵礦石%工藝礦物學%階段磨礦%磁選%反浮選
철광석%공예광물학%계단마광%자선%반부선
iron ore%pocess mineralogy%phase grinding%magnetic separation%reverse flotation
内蒙古某铁矿是属磁铁矿和赤铁矿混合型低品位铁矿，根据该矿性质，采用一次弱磁，阶段磨矿，二次强磁，强磁精矿反浮选工艺流程。实验最终可获得品位65．02％、回收率20．74％的弱磁铁精矿和品位58．78％、回收率29．93％的反浮选铁精矿，综合铁精矿品位为61．18％，综合回收率达到50．67％。
內矇古某鐵礦是屬磁鐵礦和赤鐵礦混閤型低品位鐵礦，根據該礦性質，採用一次弱磁，階段磨礦，二次彊磁，彊磁精礦反浮選工藝流程。實驗最終可穫得品位65．02％、迴收率20．74％的弱磁鐵精礦和品位58．78％、迴收率29．93％的反浮選鐵精礦，綜閤鐵精礦品位為61．18％，綜閤迴收率達到50．67％。
내몽고모철광시속자철광화적철광혼합형저품위철광，근거해광성질，채용일차약자，계단마광，이차강자，강자정광반부선공예류정。실험최종가획득품위65．02％、회수솔20．74％적약자철정광화품위58．78％、회수솔29．93％적반부선철정광，종합철정광품위위61．18％，종합회수솔체도50．67％。
The iron ore tested in Inner Mongolia is a low grade hybrid iron ore of magnetite and hematite .According to the feature of the ore, a beneficiation process was scheduled with a weak magnetic concentration , a phase grinding and second-ary magnetic concentration , reverse flotation process for strong magnetic ore concentrate .Experiment results showed that good concentration indicator has been obtained , with grade of 65.02%, recovery of 20.74%for weak magnetite concentrate , with grade of 58.78%and recovery rate of 29.93%for the reverse flotation of iron concentrate , and comprehensive grade of 61.18%for the iron concentrate , comprehensive recovery rate of 50.67%.
