A CRITICAL REVIEW OF THE TECHNOLOGIES OF EXTINGUISH SPONTANEOUS COMBUSTION OF COAL MINE GANGUE HEAP ALL OVER THE WORLD
Gu Qiang(China University of Mining &. Technology ,Xuzhou ,Jiangsu , 221008)
This paper describes what is involved in condition of spontaneous combustion of coal mine gangue heap, cause of combustion and extinguishing process as well as the problem on it. Summary on developed and developing technologies is made. Finally technologies in future for extinguishing combustion of gangue heap are evaluated.
【CateGory Index】： TD752