【摘要】 介绍了煤矿中煤自然发火的一般规律,并分析了技术方法防(灭)火、均压防(灭)火、黄泥灌浆防(灭)火、氮气防(灭)火、凝胶防(灭)火等几种常用的预防内因火灾的防(灭)火方法;同时,对这些方法的防(灭)火有效性进行了分析,提出了实施这些方法的注意事项,以期能更好地预防煤自燃,从而更好地为矿井安全生产服务.更多还原

【Abstract】 This paper introduces the universal laws of coal spontaneous combustion under mines, and analyses several methods, such as the technology of extinguishing fires, the technology of pressure balance for air control, mine fire controlling by thick loess grouting, mine fire controlling by nitrogen gas etc; Meanwhile, it carries out validity analysis of these methods and refers to some precautions when using these methods to prevent the coal spontaneous combustion, thus,serveing for the safety production of mines better.更多还原