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我矿在坑内中深孔落矿和平巷掘进工作面一次点火起爆的爆破作业中,采用导爆索起爆非电导爆雷管的混合导爆系统起爆。1989年以前,一直采用导爆管直式搭接导爆索的传统连接法组网。因现场作业条件对组网作业的制约,成网后网路各起爆结处,导爆管沿其传爆方向的夹角难于实现最佳状态,常出现部分导爆管的零散性拒爆现象。这不仅影响了系统整体起爆可靠性,
I mine in the pit in the deep hole mining and driving a working face blasting detonation ignition blasting operations, the use of detonating cord detonation initiation of non-electrical conductivity detonator detonation initiation detonation system. Before 1989, the conventional connection method of direct lapping detonating cord of detonating tube was used. Due to the restriction of site operation conditions on the networking operation, it is difficult to achieve the best state of the detonation angle of the detonating tube along the propagation direction of the detonating tube at the detonation junction of the network after the network is formed. . This not only affects the overall detonation reliability of the system,