The Study Of Compositive Extinguishing Technique For Coal Spontaneous Combustion In The Fully Mechanized LTCC No.7321 Overly Long Faces

The output and consumption of coal in china is premier in the world, it accupy about 75 percent of internal primary energy. But the phenomenon of Coal spontaneous combustion is quite serious, it badly restricts safe production and development of high-productivity and high-efficiency mines, At the same time it brings huge resource waste, environment pollution, the loss of personnel and property.Based on the reason of coal spontaneous combustion , the article closely focuses on the practical instance of the the fully mechanized LTCC overly long Faces in the Nan Tun Coalmine.and it studies on the Compositive Extinguishing Technique for Coal Spontaneous Combustion in the fully mechanized LTCC overly long Faces.Firstly, Study on the coal spontaneous character of No.7321 overly long Faces, we found the spontaneous combustion forecast system which is focused on inspect of the coal spontaneous gas and coal temperature, discuss technology to prevent coal spontaneous combustion which focuses on the prevention, combine the gel Fire preventing and extinguishing technique and Fire quickly preventing and extinguishing,, optimize the inert gases producing application and technics, to control large fire area. finally form the lash-up system of Fire preventing and extinguishing. Finally, during coal spontaneous combustion in the fully mechanized LTCC No.7321 overly long Faces in Nan Tun coalmine, the Fire preventing and extinguishing...