通过对煤自燃过程的热平衡关系进行分析，导出了煤体氧化蓄热升温的必要条件的数学表达式。
The prerequisite for temperature rising of coal is presented by analyzing the thermal balance relationship in the process of coal self ignition.
综述了国内外喷注型浆体防煤自燃技术的现状和发展趋势，通过实验，得出塑性石膏浆的配制方案和堵漏风效果。
Present situation and development tendency of technical preventing coal spontaneous combustion adopted with plasticity slurry that can spray and pour domestic and international are discussed.
论述了煤体与岩体的受热破坏特性，对露头煤层自燃火灾中煤岩体的热破坏机制进行了定性分析。
This paper introduced the characteristics of thermal breakage of coal and rock, and analyzed its mechanism on coal spontaneous combustion.
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