根据兖州矿区无煤柱综放面开采的实际条件,对综放面巷道煤体的破碎类型进行定义和描述;然后根据巷道自燃危险区域划分指标和条件,将各种类型的巷道破碎煤体划分为极易自燃、易自燃和可能自燃区域;最后分别针对不同自燃危险程度的巷道区域,提出相应防火处理原则,并对巷道高冒区及破碎煤柱等几种典型的巷道自燃危险区域,提出了具体的防火技术对策,从而为科学有效的巷道防火决策,提供依据。 According to the actual conditions of the mining of the non-pillar coal caving face in Yanzhou Mining Area, the crushing type of the coal roadway in the fully mechanized caving face is defined and described. According to the indexes and conditions for dividing the spontaneous combustion danger zone of the roadway, various types of broken coal in the roadway are classified Which are easily spontaneous combustion, spontaneous combustion and possible spontaneous combustion. Finally, corresponding fire prevention principles are put forward for the roadway areas with different degrees of spontaneous combustion respectively. Several typical roadway spontaneous combustion danger areas are proposed, such as high risk zone and broken coal pillar, The specific fire prevention technology countermeasures, so as to provide a basis for scientific and effective roadway fire prevention decision.