Research on Comprehensive Gas Control Technology in Coal Mines
The 3rd coal seam of Sihe Coal Mine,owned by Jinneng Holdings Equipment Manufacturing Group,has a high gas content,a large amount of gas emission during coal seam mining,and is prone to coal and gas outbursts,seriously threatening the safety production of the mine.In order to effectively control the gas in this coal seam,a kilometer directional long drilling rig was used to drill holes along the seam and through the bottom drainage roadway based on the overall situation and gas occurrence of the coal seam.Pre-drainage of coal seam gas was carried out,forming a comprehensive gas treatment technology and creating a unique gas treatment model for Sihe Coal Mine.This can provide reference for effective gas treatment in mining working faces under similar working conditions.
mine gasexistence situationdirectional long drillingdrilling through layerspre-extraction
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