改善露天铁矿爆破效果的实践

Practices for Improving the Explosive Effect in Opencut Iron Mine

从分析冯家峪露天铁矿爆破大块根底产生的原因出发,研究了减少大块和克服根底的有效方法。通过生产实践使采矿生产条件得到改善并降低了采矿成本,取得了较好的效益。

On the basis of analyzing the cause o f producing big block base in explosion in Fengjiayu Opencut Iron Mine,an effective method has been developed to reduce big block and overc ome the base.Due to the practices,th e mining conditions have been improve d,and the mining cost has been gone down.At the same time,a better benefit has been achieved.