Application of Firefighting by Nitrogen Technology on Mining Face During Stope
For existence of harmful CO in corners of 2-113 mining faces in Xuhu Gorge coalmine,the article uses the firefighting by nitrogen technology to address the self-ignition of remained coals in the gob area based on the actual conditions on sites,which leads to remarkable results.The concentration of CO in corns of the mining faces decrease from 23 ppm to around 0 ppm,guaranteeing the safe stope of mining faces.
mining facefirefighting by nitrogengob areaself-ignition of remained coals