露天采场中深孔爆破技术的优化

Optimization of medium-length hole blasting technique in open pit

通过对太钢复合材料厂白云石露天采场爆破过程中的大块、粉矿、根底及边墙等产生原因的分析,对中深孔爆破工艺技术进行优化,降低了大块率和粉矿率,提高了爆破质量和爆破作业的安全性。

Based on analyzing the reasons of producing boulder,fine ore,ledge,side wall,etc.during blasting process in Dolomite open pit of Composite material plant,Taiyuan iron steel（Group） co.,LTD.,the medium-length hole blasting technique was optimized, so the boulder yield and fine ore ratio were decreased,and the blasting quality and blasting operation safety were improved.