地下采矿大直径深孔VCR法工艺发展与技术创新

Technology development and technological innovation of large diameter deep hole VCR method for underground mining

针对大直径深孔地下采矿使用VCR法工艺可改善传统采矿生产效率低、作业危险等缺点,并得到国内外采矿界的广泛认可。根据采矿研究阶段、推广阶段、暂缓使用阶段、恢复与创新阶段对VCR法工艺发展进行分析;针对VCR采矿法的工艺技术创新,从采场拉槽、采场侧向爆破、炮孔微差爆破应用以及出矿方式改进方面进行了研究。

For large diameter deep hole underground mining, the VCR process can improve the traditional mining efficiency, operation risk and other shortcomings, and has been widely recognized by the mining industry at home and abroad. According to the mining research stage, the promotion stage, suspend stage, recovery and innovation stages of the development of the VCR process are analyzed; aiming at the process of technological innovation in VCR mining method, the stope slotting, stope blasting, lateral hole blasting and application of ore improvement are studied.