露天金属矿采选联合优化的研究进展

Study Advances of Comprehensive Optimization of Mining and Mineral Processing in Open-pit Metal Mine

对采选联合优化的科学内涵及发展历程进行了论述,指出采选联合优化的理念是将采矿与选矿进行综合考虑,达到总成本最优。阐述了计算机模拟分析技术在采选联合优化中所发挥的关键作用,并分项论述了各类模拟分析技术的用途及特点。总结了爆破参数对下游破磨效率的影响规律,发现炸药单耗起着决定性的作用,而台阶高度、炸药爆速等也对机械破磨效率存在一定的影响。展望了采选联合优化的发展趋势,指出了物联网技术及海量数据深度分析技术将在未来采选联合优化设计中发挥重要作用。

The scientific connotation and development courses of the comprehensive optimization of mining and mineralprocessing are discussed.The concept of the comprehensive optimization of mining and mineral processing is conducting com-prehensive consideration of mining and mineral processing,to minimize the total costs of them.The key functions of computersimulation and analysis techniques in the comprehensive optimization of mining and mineral processing are analyzed in detail,and the functions and characteristics of the computer simulation and analysis techniques are discussed respectively.The influ-ence regularities of blasting parameters to downstream grinding efficiency is summarized,it is show that the explosive unit con-sumption plas a key role,and the mechanical crushing and grinding efficiency can be affected by the bench height and explo-sive detonation velocity to some extent.Based on the above analysis results,the development trend of the comprehensive optimi-zation of mining and mineral processing are discussed,it is indicated that important role in the further of the comprehensive op-timization design of mining and mineral processing can be played bythe Internet of things and depth analysis technique of massdata.