摘要
漏斗溜井堵塞在井下放矿作业中经常发生,用普通爆破法处理堵塞时,作业极为困难和危险。本文介绍一种新的处理堵塞方法——矿用火箭弹,以及它的使用与改进。
Blocking of drawpoint or orepass is often happened during drawing process. Traditionally, this has to be tackled by blasting, often with great difficulty and even big danger. In this paper, a new method is described, which involves utilization and modification of mining rocket projectile.
关键词
矿用
火箭弹
溜井
堵塞
Blocking of drawpoint or orepass, Cutter hood of shaped charge, Mining rocket projectile, Horizontal periscopical system
