shield mining

Safety and high efficient coal mining technology for coal mining face with shield supports

掩护支架工作面安全高效开采技术

Analysis and handle some question and hitch in the mining coal face of hydraulic powered shield supports

掩护支架工作面问题分析和故障处理

Developed a special shield support for fast withdrawing mining face.

神东分公司研发了专用掩护支架,实现采面快速回撤工艺.

Beside on the overall analysis of used hydraulic powered shield supports mining face accident of casualties in Huainan mining group company 1988~ 2002 year, The basic concern situation and analysis and chide by model accident of casualties, The put forward prevention measure.

对淮南矿业集团伪倾斜柔性掩护支架采煤工作面1988～2002年间发生的伤亡事故进行了全面的分析研究，并在此基础上，论述了典型伤亡事故的相关情况、原因及其教训，提出了防范措施。

Pillar Mining of Rock Cross-cut with Pseudo-sloping Flexible Shield

伪倾斜柔性掩护支架开采石门煤柱