有色矿冶
有色礦冶
유색광야
NON-FEROUS MINING AND METALLURGY
2013年
6期
13-16
,共4页
铅锌铁矿%浮选%磁选%优先浮选
鉛鋅鐵礦%浮選%磁選%優先浮選
연자철광%부선%자선%우선부선
lead-zinc-iron ore%flotation%magnetic separation%selective flotation
河北某复杂低品位铅锌铁矿石，含铅锌铁品位分别为0．51％、2．92％和11．88％，通过浮选法回收铅锌＋磁选回收铁的联合工艺流程，获得了理想的选矿工艺指标。采用捕收性和选择性好的乙硫氮作为铅捕收剂，实现了铅与锌的优先浮选分离，获得了含铅品位49.37％，回收率71．81％的铅精矿；采用丁基黄药作为锌捕收剂，获得了含锌品位56.21％，回收率79．19％的锌精矿；采用湿式弱磁选，获得了含铁66．78％，回收率60.21％的铁精矿。
河北某複雜低品位鉛鋅鐵礦石，含鉛鋅鐵品位分彆為0．51％、2．92％和11．88％，通過浮選法迴收鉛鋅＋磁選迴收鐵的聯閤工藝流程，穫得瞭理想的選礦工藝指標。採用捕收性和選擇性好的乙硫氮作為鉛捕收劑，實現瞭鉛與鋅的優先浮選分離，穫得瞭含鉛品位49.37％，迴收率71．81％的鉛精礦；採用丁基黃藥作為鋅捕收劑，穫得瞭含鋅品位56.21％，迴收率79．19％的鋅精礦；採用濕式弱磁選，穫得瞭含鐵66．78％，迴收率60.21％的鐵精礦。
하북모복잡저품위연자철광석，함연자철품위분별위0．51％、2．92％화11．88％，통과부선법회수연자＋자선회수철적연합공예류정，획득료이상적선광공예지표。채용포수성화선택성호적을류담작위연포수제，실현료연여자적우선부선분리，획득료함연품위49.37％，회수솔71．81％적연정광；채용정기황약작위자포수제，획득료함자품위56.21％，회수솔79．19％적자정광；채용습식약자선，획득료함철66．78％，회수솔60.21％적철정광。
A low -grade complex lead-zinc-iron ore from Hebei contains lead grade of 0 .51% , zinc grade of 2 .92% ,and iron grade of grade 11 .88% .The ideal dressing index is achieved by adopting the process of lead -zinc - recycling iron concentration by low intensity magnetic separation .The selective flotation sep-aration of lead and zinc is realized by using ethyl thio carbamate with fine selectivity and collecting capacity as lead collector , Butyl xanthate as zinc collector and by wet low intensity magnetic separation ,a lead con-centrate with a lead grade and recovery of 43 .97% and 71 .81% , a zinc concentrate with a zinc grade and recovery of 56 .21% and 79 .19% , an iron concentrate with an iron grade and recovery of 66 .78% and 60 . 21% can be obtained respectively.
