Optimization and Application Rresearch of Gas Extraction Technology in Fully Mechanized Mining Face with Hard Roof
In order to improve the mining safety of a hard roof fully mechanized mining face in a certain coal mine,the optimal position of gas extraction high-level boreholes was determined through experimental research.Based on this,the gas extraction technology of high-level boreholes was optimized and applied in a certain mining face.The application of optimized gas extraction technology effectively improved the gas extraction efficiency of the fully mechanized mining face.
hard top platefully mechanized mining facegas extractionhigh level drillingoptimization