兖州矿区巷道自燃危险区域等级划分及防火对策

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。

Classification of Spontaneous Combustion Hazard Regions in Roadways and Fire Prevention Countermeasures in Yanzhou Coal Mining Area

In this paper,the fracturing type of coal body in roadways of fully mechanized face was first defined and described according to the actual conditions of pillarless fully mechanized caving face in Yanzhou Coal Mining Area,then the fractured coal body in different roadways was divided into three regions according to the classification index and condition of spontaneous combustion hazard regions in roadway,namely the region extremely liable to spontaneous combustion,the region liable to spontaneous combustion and region possible of spontaneous combustion,finally appropriate fire prevention and control principle and countermeasures were put forward according to roadways with different spontaneous combustion hazard,thus providing basis for effective fire prevention and control in roadways.