Study on comprehensive gas control technology of high-gas fully mechanized caving face

摘要

In order to comprehensively control the gas of 1151(3) fully mechanized caving face in Xieqiao coalmine scientifically and efficiently, combining the actual situation of the face, gas drainage technologies such as roof drilling, drilling along seam, gas drainage in upper corner, roof drainage roadway had been applied and a comprehensive gas control system was formed gradually. Gas problems of the face have been solved completely and safety and high efficiency of the workface has been ensured.