基于抛掷爆破-拉斗铲倒堆工艺的露天矿生产能力研究

doi:10.11799/ce201610005

Abstract

Abstract: The influence relation of dragline equipment conditions, casting blast effect and mining parameters to surface mine output were analyzed, calculation formula of surface mine output was derived, each factors impact on surface mine output were researched by adopting sensitivity analysis method. Research results shows that casting bench height, dragline steady availability and effective casting blast rate are the key influencing factors to surface mine output adopting casting blast- dragline stripping, in which the former two are the fundamental factors. In order to achieve output of 33Mt/a, dragline steady availability should be ensured more than 93.8% and casting bench height reduced to less than 38m.

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Optimization on surface mine output on the basis of casting blast-dragline stripping technology

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