孔底起爆落矿工艺及孔网参数优化  

Research of the Optimization of Bottom Hole Priming and Ground Breaking Technology and Spacing Pattern Parameters

作　　者：李吉利 

机构地区：[1]杨家坝铁矿

出　　处：《矿业快报》2003年第9期7-10,共4页Express Information of Mining Industry

摘　　要：分析了杨家坝铁矿地下铁矿床开采难度大的原因 ,进行了中深孔孔底起爆落矿工艺、孔网参数优化及孔底起爆的试验 。The causes for the difficulties in underground mining of rangjiaba Iron Mine were analysed.The tests for the optimization of bottom hloe priming and ground breaking technology and spacing pattern parametersmand on the bottom hole priming were made.The test results are described in detail.

关 键 词：铁矿床开采 孔底起爆 落矿工艺 孔网参数优化 

分 类 号：TD235[矿业工程—矿井建设]