摘要
武家塔露天煤矿在生产实际中根据不同岩性及台阶高度,使用220 mm大孔径爆破,并应用高精度雷管逐孔起爆技术很好的解决了提高爆破效率、提高爆破工程质量、降低成本等问题,拓展了大孔径设备的应用范围。
According to different lithology and step height in actual production, Wujiata open-pit coal mine uses 220 mm large aperture blasting, applies high precision detonator hole by hole detonation technology to solve the problems of improving blasting efficiency and engineering quality and reducing cost, and expands the application scope of large aperture device.
出处
《露天采矿技术》
CAS
2014年第8期49-51,共3页
Opencast Mining Technology
关键词
大孔径
高台阶:高精度雷管
钻机改造
large aperture
high step
high precision detonator
rig modification
