朝阳露天煤矿抛掷爆破可行性研究

通过对抛掷爆破技术及对朝阳露天矿的开采工艺的分析,结合国内抛掷爆破—吊斗铲倒堆工艺成功应用先例,提出朝阳露天煤矿抛掷爆破—吊斗铲倒堆工艺可行性研究。通过分析确定了朝阳露天矿的抛掷爆破相关参数,包括炸药选择、台阶高度、采宽、孔网参数等。结果表明:朝阳露天煤矿具备应用抛掷爆破的条件,依据影响抛掷爆破效果的各项参数,给出了朝阳露天煤矿最佳爆破参数。

Feasibility Study of Casting Blast in Chaoyang Opencast

Through analyzing the casting blast technology and mining technology in Chaoyang Opencast,combined with the precedent of successful applications in the domestic casting blast-draglines and push down process,the feasibility study of casting blast-draglines and push down process was put forward. The result shows that Chaoyang Opencast has conditions of using casting blast. Based on various parameters that offect casting blast effects,the best parameters of casting blast are given in Chaoyang opencast.