矿山的开拓系统对基建投资、运营费用、基建周期及安全生产等起着较大作用.为了保证矿山后期正常生产运行,结合上宫金矿深部矿体赋存条件、资源现状,提出了3种技术上可行的开拓系统方案,并对各开拓系统方案进行了详细的对比分析.结果表明:新掘38勘探线盲竖井+延伸47勘探线明竖井的联合开拓方案充分考虑了上宫金矿的发展现状,不仅总投资费用最低、基建时间最短,而且能满足将产能由950 t/d提升至1 200 t/d的需求.因此,该开拓系统方案是上宫金矿深部开拓的最佳选择.
The exploitation system of mines has an important impact on infrastructure investment,operational expenses,infrastructure construction cycle and safety production.In order to ensure the normal production and operation of the mine in later stage,the paper put forward three technically feasible schemes of exploitation system taking into consideration the occurrence condition and resources of the deep orebodies in Shanggong Gold Mine,and detailedly analyzed the schemes of exploitation system.The results showed that the scheme of combined exploitation system selected,which has taken into full account the current situation of the mine development,to excavate a new blind shaft in the No.38 line and to extend the mining shaft in No.47 line has not only the lowest total investment cost but also the shortest infrastructure construction time.In addition,it meets the demand that production capacity be increased from 950 t/d to 1 200 t/d.Thus,the scheme of exploitation system is the optimal choice of the deep exploitation in Shanggong Gold Mine.
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