Based on the analysis of various common failures in underground coalmine blasting work, the paper summarizes the main reasons of these failures and also puts forward concrete measures to guard against them. 通过对煤矿井下爆破施工作业中常见各种爆破故障的分析,指出引起故障的主要原因,并提出了预防和处理爆破故应采取的具体措施。
Control substation underground realizes to direct control for the field apparatus, at the same time, to collect and transmit of different kinds of guard signals and equipments running status. 井下控制分站实现对井下现场设备的直接控制,同时完成设备运行状态及各种保护信号的采集与传输。