近距离煤层下行开采下煤层回采巷道布置方式研究

Research on the Layout of Mining Roadway in Downward Mining of Close Distance Coal Seams

为有效应用煤层开采技术,保障煤矿开采的安全性,介绍了近距离煤层的特点和影响煤层开采安全性的因素,分析了近距离煤层下行开采的研究现状,对比了内错式、重叠式、外错式回采巷道布置方式的优缺点,提出了内错式布置回采巷道具体位置的确定方法和原则。应采用数值模拟等方法分析下煤层回采巷道布置方式,提高巷道布设的科学性,确保开采人员的人身安全,为煤矿综合效益的提升奠定基础。

In order to effectively apply coal mining technology,and guarantee the safety of coal mining,the study introduces the characteristics of close distance coal seams and the influencing factors of coal mining,analyzes research situation of downward mining of close distance coal seams,compares the advantages and disadvantages of the interlaced eclipsed and outside-slip roadway layout of mining roadway,and proposes the definite method and principle of the specific location of interlaced eclipsed layout of mining roadway.It is suggested to adopt numerical modeling method to analyze the layout of mining roadway in downward mining,improve the scientificness of roadway layout,ensure the personal safety of the production personnel,to lay basis for the promotion of the comprehensive benefits of the coal mine.