Experimental Research On The Inherent Water Effect On Coal Spontaneous Combustion

In this thesis, the thermal analysis experiment and the simulation of spontaneous combustion are two non-isothermal essential method, The coal self-heating reaction process which is in different water content is as the research target, The thermal kinetic theory and the coal oxygen compound theory are the foundation of this thesis. The research studied the trend of coal spontaneous combustion with different coal water content. Selected three kinds of coal which have the spontaneous combustion trend , including two kinds coal which are easy to fire and a kind of coal which is relatively weak to fire. By examing the gas product rule of coal oxidation with different water content in low-temperature environment, and the heat release of different water content coal in low-temperature environment, it has revealed the basic rule of water effect on coal in the process of warming.After analysis, get the critical water content point, which in role of promotion or resistance in the oxidation process. The critical moisture point has a very important significance in coal mining, coal transportation, and the fire-prevention technology in the process of storage.