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1、V01.31№3第31卷第3期礦冶工程2011年o6月MININGANDMIlALLURGICALENGINEERINGJune2011西北某復(fù)雜銅鉛鋅銀多金屬礦選礦工藝研究①張雨田r,宋翔宇,李榮改,周新民一,徐靖,(1.河南省巖石礦物測試中心,河南鄭州450012;2.河南省金屬礦產(chǎn)成礦地質(zhì)過程與資源利用重點(diǎn)實(shí)驗(yàn)室,河南鄭州450012)摘要:針對西北某銅鉛鋅銀多金屬硫化礦共生關(guān)系密切,且銅鉛鋅礦物嵌布粒度極細(xì)的特點(diǎn),使用選擇性較強(qiáng)的銅捕收劑YK1—11和方鉛礦抑制劑YK3—09等浮選藥劑,采用優(yōu)先浮選工藝流程,成功實(shí)現(xiàn)了銅鉛鋅的分選,獲得銅精礦含銅17.12%、含銀4753S/t
2、、銅回收率61.16%、銀總回收率83.99%,鉛鋅混合精礦含鉛25.19%、含鋅28.5%、鉛回收率43.11%、鋅回收率33.1%,鉛精礦含鉛48.I1%、鉛回收率27%,鋅精礦含鋅43.26%、鋅回收率43.27%的指標(biāo)。為類似復(fù)雜銅鉛鋅多金屬礦的開發(fā)與利用提供了新的思路。關(guān)鍵詞:浮選;多金屬硫化礦;鉛鋅礦;優(yōu)先浮選中圖分類號(hào):TD023文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):0253—6099(2011)03—0066—04MineralProcessingTechnologyofSomeCopper-lead-zinc-silverOreinNorthwestChinaZHANGYu—tia
3、n’,SONGXiang-yu,,LIRong.gai‘’ZHOUXin.min’,XUJing‘',(1.TheRockandMineralTestingCenterofHenanProvince,Zhengzhou450012,Henan,China;2.HenanKeyLaboratoryofGeologicalProcessesofMetalMineralResourcesandUtilization,Zhengzhou450012,Henan,China)Abstract:AccordingtothecharacteristicsofaCu—Pb—Zn—Agpolymetal
4、licsulfideorefromNorthwestChina,suchasthecloseparagenetierelationshipofmineralsandthefinedisseminationofcopper,leadandzincminerals,reagentswithbetterselectivity,suchascoppercollector,YK1—11,andgalenadepressant,YK3—09,werechosen,aCu—Pb—Znse—lectiveflotationflowsheetwasadoptedandtheCu/Pb/Znseparat
5、ionwaseffectivelyactualized.Acopperconcentratewithacoppergradeof17.12%andasilvercontentof4753g/tcanbeobtained,whiletherecoveryofcopperandsilverreached61.16%and83.99%,respectively.Meanwhile,alead-zincbulkconcentratecontaining25.19%ofleadand28.5%ofzinccanbepreparedwithrecoveryofleadandzincreaching
6、43.11%and33.1%,respectively.Then,aleadconcentratewithaleadgradeandrecoveryof48.11%and27%,respectively,andazincconcentratewithazincgradeandrecoveryof43.26%and43.27%,respectively,canbereclaimed.ThisstudyprovidesanewapproachfortheexploitationandutilizationofCu-Pb—Znoreresources.Keywords:flotation;p
7、olymetallicsulfideore;lead.zincmine;selectiveflotation銅鉛鋅復(fù)雜多金屬礦的分選一直是選礦工作者面使用對銅選擇性較好的捕收劑YKI一11和高效方鉛臨的技術(shù)難題。這類性質(zhì)的銅鉛鋅多金屬礦一般都具礦抑制劑YK3—09等浮選藥劑,采用優(yōu)先選銅、之后有礦石共生關(guān)系密切、嵌布粒度細(xì)和相互包裹程度大再選鉛鋅、最后選鋅的浮選工藝流程,成功實(shí)現(xiàn)了銅鉛等特征。這些因素造成了銅鉛鋅礦物的單體解離不充鋅的分選,為類