1、问题的提出回风巷是指矿井回风风流所经过的巷道,包括总回风巷、主要回风巷、采区回风巷、工作面回风巷。生产能力大的矿井设有专用回风巷,此回风巷专用回风,不能运料、放杂物、安设电气设备。高瓦斯矿井回风巷内有监测设备且入巷道口打栅栏不得行人。由此可知,回风巷的主 1, the problem put forward Return air lane is the mine back to the wind flow through the roadway, including the total return airway, the main return airway, mining area return airway, face return airway. Large capacity of the mine with a dedicated return air Lane, return airway dedicated return air, can not transport material, put debris, the installation of electrical equipment. Gassy mine air return airway monitoring equipment and into the laneway fencing not pedestrians. It can be seen from the main air return Lane