《工程(英文)》 >> 2017年 第3卷 第4期 doi: 10.1016/J.ENG.2017.04.021
金川镍矿床深部资源高效开发与综合利用的关键技术研究
1. State Key Laboratory for Comprehensive Utilization of Nickel and Cobalt Resources, Jinchang, Gansu 737100, China
2. Jinchuan Group Co., Ltd., Jinchang, Gansu 737100, China
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摘要
为了掌握金川镍矿床的深部资源特征和地质状况,对困难的开采条件进行了系统分析,包括高应力、碎裂矿岩体、普遍的围岩变形、困难的巷道支护、复杂的岩体力学特征以及低采矿回收率等。为深部、大型和复杂镍钴矿山的安全、高效和连续开采建立了一个集成技术包,其由蜂窝式进路大面积连续采矿方法的发明、地压控制理论以及高应力和碎裂矿岩体技术模块的建立、新型充填胶凝材料的开发、粗骨料高浓度料浆管道输送的深井充填技术等组成。由此,所存在的难题得到了较好的解决,从而确保了金川镍矿床深部资源的高效开采和综合利用。同时,为高应力、碎裂和流变岩体的地下矿山使用下向胶结充填采矿方法展示了一个技术范例。
关键词
深部开采 ; 高效开发 ; 综合利用 ; Key technology
参考文献
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