【摘要】 介绍了陕西韩城下峪口煤矿23207采面在回采期间的瓦斯涌出情况,阐述了抽放23207采空区瓦斯是对保证其邻近采区23201采面的正常掘进以及正常回采的效果,得出了抽放邻近采空区瓦斯能保证工作面不受瓦斯威胁的结论。更多还原

【Abstract】 This paper first introduces the instance of gas outbursts on 23207 face during mining,and expatiates gas drainage on 23207 gob,which in order to guarantee gear entries driving and 23201 mining face in near panel.The reseach reaches to a conclusion on gas drainage near panel that can guarantee face not to intimidate by gas.更多还原