CAJ | 학술논문

针对立体瓦斯抽采对采空区自燃带分布及浮煤自燃的影响，以采空区风流速度的变化为切入点，以义马集团U＋Ⅰ型通风系统为背景，研究在立体瓦斯抽采系统中由于漏风而造成采空区“三带”分布变化及对浮煤自燃的影响．结果表明，瓦斯抽采及采空区浮煤自热产生的“内生火风压”加剧了采空区的漏风，使自燃带的划分范围更复杂，增加了采空区发火的危险性，最后提出了增阻漏风及同步注氮、注水、注浆的综合防灭火措施．
침대입체와사추채대채공구자연대분포급부매자연적영향，이채공구풍류속도적변화위절입점，이의마집단U＋Ⅰ형통풍계통위배경，연구재입체와사추채계통중유우루풍이조성채공구“삼대”분포변화급대부매자연적영향．결과표명，와사추채급채공구부매자열산생적“내생화풍압”가극료채공구적루풍，사자연대적화분범위경복잡，증가료채공구발화적위험성，최후제출료증조루풍급동보주담、주수、주장적종합방멸화조시．
Based on the effection of stereo gas drainage to the spontaneous combustion zones distribution and coal spontaneous combustion, inthis paper, it had used the change of the airflow velocity as the entry point, and choosed U ＋ Ⅰ type ventilation system of Yima mine as the background. It had researched the change of ＂three zones＂ distribution and the coal spontaneous combustion in the goaf by the air leakage under the stereo gas drainage system. It is found that the gas drainage and＂ endogenous fire heating air pressure＂ can intensify the wind leakage in the goaf, complicate the differentiate limits of the spontaneous combustion zones range, and increase the risk of spontaneous combustion in the goaf. Finally, it had put forward the comprehensive fire prevention measures such as increasing the resistance to control air leakage, nitrogen injection and water injection, and grouting synchronization.