Abstract:
The paper analyzes safety hazards of water for 1
#district of Shitanjing Coking Coal Company, develops a practical scheme to remove hidden dangers and the core control technology in the implementation of relevant parameters, such as material, length, diameter, connection mode, installation of consolidation technology, pressure measurement, drilling fixing and specific requirements for fixed orifice tube. At the same time, drilling is forbidden to connect other roadway before reaching coal pillar of mine.