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首页> 外文期刊>Journal Of The South African Institute Of Mining & Metallurgy >A structured approach to the evaluation of the energy requirements of HPGR and SAG mill circuits in hard ore applications
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A structured approach to the evaluation of the energy requirements of HPGR and SAG mill circuits in hard ore applications

机译:评估硬矿石应用中HPGR和SAG磨粉机回路能量需求的结构化方法

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摘要

The application of high pressure grinding rolls (HPGR) has been growing in the raining industry for the last 10 to 15 years. The major benefits supporting this trend are better energy efficiency, improved grinding capacity, and higher metal recovery in downstream processes such as heap leaching and flotation. In general there is limited quantitative knowledge on the true benefits of HPGRs relative to SAG mills in comminution, and about which situations one deals with better than the other. This paper will present a structure for comparison of the energy requirements for HPGR versus SAG mill considering complete circuits for comminution of precious and base metals hard ores. The work presented is from the design of four complete circuits based on ore data from two sites.
机译:在最近的10到15年中,高压磨辊(HPGR)在雨淋行业中的应用一直在增长。支持该趋势的主要好处是更高的能源效率,更高的研磨能力以及下游工艺(例如堆浸和浮选)中更高的金属回收率。通常,关于HPGR相对于SAG磨粉厂的粉碎的真正益处以及在哪种情况下比另一种情况要好的定量知识有限。本文将提出一种结构,用于比较考虑到完整电路来粉碎贵金属和贱金属硬矿石的HPGR和SAG轧机的能源需求。提出的工作来自于基于两个站点的矿石数据的四个完整电路的设计。

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