Quickly Withdrawing Technology for Easy Spontaneous Combustion and Gentle Dip Fully Mechanized Caving Face with Large Section

In view of the mining of gentle dip and easy spontaneous combustion face with large section in Dananhu No.1 Mine, serious low-temperature oxidation and short spontaneous combustion period in the coal seam requires strict withdrawal time. The retracement realizes the quick and efficient retreat of 1302 working face by strengthening the roof management, taking hydraulic support as shield, withdrawing support in heading area, using comprehensive fire prevention and control technology before and after mining.