【摘要】 在煤炭自燃灾害中,松散煤体自燃占很大的比例,综放面松散煤体较多,发生自燃的危险性也较高。文中根据综放面巷道松散煤体所处位置、堆积形态、漏风动力、散热条件等总结出自燃的特点,并判断自燃危险区域,最终推导出综放面巷道松散煤体自燃过程的数学模型,对实际生产中预防巷道松散煤体自燃起到指导作用。更多还原

【Abstract】 The loose coal self-igniting has a big proportion in the disasters of coal self-igniting.There is much loose coal in fully mechanized sublevel caving face and the frequency happening in self-igniting is relatively high.The characteristics of self-igniting are summarized according to position,pile-up shape,air leakage kinetics and heat dissipation conditions of loose coal in the roadway of the fully mechanized sublevel caving face.The self-igniting dangerous areas are determined and a mathematic model of loose coal self-igniting procedure in the roadway of the fully mechanized sublevel caving face is finally deduced.In practical production it has guidance functions for preventing the loose coal in the roadway from self-igniting.更多还原