影响厂坝铅锌矿选矿指标的矿物学因素  

Mineralogical Factors Effecting Ore-dressing Indices in Changba Lead-Zinc Mine

作　　者：赵海军[1] 张青草 

机构地区：[1]西北矿冶研究院理化检测中心,甘肃白银730900

出　　处：《甘肃冶金》2012年第4期93-95,110,共4页Gansu Metallurgy

摘　　要：本文通过研究矿石性质、现场产品考查,查明了铅、锌损失状态。文章指出,影响选矿指标的因素有:方铅矿、闪锌矿嵌镶关系复杂导致不易解离;现场生产的疏漏导致产品混杂互带;大厂坝矿石氧化导致锌回收率偏低;小厂坝矿尾矿中存在过粉碎导致弥散状的方铅矿。因此提高选矿指标的可能途径是加强对产品中混杂物质的抑制,尽量回收氧化锌,避免过粉碎矿石。This paper discussed the reasons of the Pb,Zn loss state through studying the nature of the ore and checking products on-site.The factors influencing the index of ore-dressing are as follows： the complex mosaic relation between galena and sphalerite leading to dissociate minerals uneasy;careless and omission in production on-site leading to the products mixed interaction;oxidized ore in Dachangba Mine leading to the low recovery of zinc;excessive crushing of tailings in Xiaochangba Mine leading to the dispersion of galena.Therefore,the feasible way to improve the ore-dressing indexes is to enhance the suppression of material mixed in products,recycle zinc oxide as far as possible and avoid excessive ore grinding.

关 键 词：选矿指标 矿石性质 现场产品 铅锌损失状态 矿物学因素 

分 类 号：P585[天文地球—岩石学]