马钢南山矿凹山选厂利用磁选柱提质降杂半工业试验
Modern Mining（2016）
Abstract
介绍了马钢南山矿凹山选厂现有磨选工艺流程及利用磁选柱提质降杂半工业试验流程,通过对比半工业试验系统选别指标与凹选3段磨矿系统选别指标表明,在控制三磁精细度为-0.125 mm时,磁选柱精选可将铁精矿全铁品位由62.5%~63%提高到64.0%~65.5%,即可使铁精矿品位提高1.5~2.5个百分点,并可有效降低铁精矿中的杂质含量,其中Al2 O3含量可降至2%以下,SiO2含量可降至6%以下,K2 O、Na2O含量均明显下降.
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