blasting galvanometer

The cause of the high display value of CO sensor after blasting in driving or mining faces is analyzed,and the comprehensive measures are put forward.

对采掘工作面放炮后,CO传感器上显示体积分数值与实际值相比较显示值偏大的原因进行了分析,同时提出了综合性的防范措施。

Analysis of data transmission interrupt produced by wire shooting of seismograph and improving measures.;

地震仪有线放炮产生数传中断的分析及改进措施

Application of BOOM BOX relay technique in 408UL wireless shooting;

BOOM BOX中继技术在408UL无线放炮中的应用

With the remote vibration shot,the seam could be safely and rapidly opened.

通过对丁集煤矿煤层突出危险性分析,研究确定了井筒穿过具有突出危险性煤层时通过地面预注浆进行固化煤层,降低煤层的孔隙率和瓦斯放散初速度,提高煤体强度,使煤体不具有突出危险性,再用远距离震动放炮方法安全快速揭开煤层。

When advancing and uncovering coal in roadway, better construction method is vibration shot, metal framework, borehole bleed-off and hydraulic hole, of which vibration shot is principal.

井巷掘进揭煤时,较好的施工方法是震动放炮,金属骨架,钻孔排放和水力冲孔,尤以震动放炮为主。