青海小沙龙铁矿石工艺矿物学和可选性研究

详细阐述了青海小沙龙铁矿矿床的矿床地质特征、矿石的类型及结构构造、主要化学成分、铁物相、矿物组成及含量、主要铁矿物的嵌布特征、磁铁矿的嵌布粒度及解离特征，并对原矿进行了多种选矿工艺流程的可选性对比试验。研究表明磁铁矿大多呈细粒、微细粒稠密或稀疏浸染于脉石矿物中，与其他矿物嵌布关系比较密切；磁铁矿的嵌布粒度比较细，当磨矿细度为-0.028 mm 占85%时，磁铁矿的单体解离度达到85%左右；2段磨矿-2段磁选工艺流程更简洁，能耗和经济效益指标更优越。

Research on Process Mineralogy and Washability of Xiaoshalong Iron Ore from Qinghai

Discussed in detail geological characteristics,ore types,texture and structure of ores,major chemical composition,iron physical phases,mineral composition and content,major mineral distributing,disseminated grain size of magnetite and dissociation characteristics of Xiaoshalong iron deposit in Qinghai Province.Some contrast tests of multiple mineral processing flowsheet for iron ores were conducted.The research shows that magnetite is fine grained and most microgranular dense or sparse dip in the gangue minerals,and closely embedded with other minerals.The disseminated grain size of magnetite is fine relatively,so the single degrees of magnetite would relatively adequately approach 85% when grinding fineness that is 0.028 mm accounted for 85%.Two-stage grinding and separation process is more concise,and superior energy consumption and economic indicators.