【摘要】 井下采矿的运输溜矿井在溜矿过程中常会被卡堵 ,中断生产。常用疏堵爆破的专用工具将炸药送至卡堵处引爆松卡。现介绍溜矿井疏堵爆破输送炸药包的专用工具———传统火箭弹、改进的安全火箭弹以及新开发准确度高的浮球炸药包。更多还原

【Abstract】 Mine-shaft of downhole mining is plugged in the middle of borehole to break off the production. The traditional rocket bomb of blasting for dredging the jam of mine_shaft is introduced. The improved saferocket bomb and the new developed high accuracy and buoyant ball explosive package are introduced too.更多还原