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压入式通风系统的矿井,由专用入风井送入井下各中段的新鲜风流,是通过主要运输巷道送到采区的。由于主要运输巷道行车频繁,安设隔绝风流或限制风流的通风设施在管理上非常不便,所以不少压入式通风系统的矿井,井底车场漏风严重,有效风量率很低。有些矿山在入风石门与中段沿脉巷道的交叉口处,安设引导风流的导向板,使风流面向采区,背向
Pressurized ventilation system of the mine, into the middle of the hole by the dedicated air intake fresh air, is sent to the mining area through the main transport lane. Due to the frequent driving of major transport lanes and the installation of ventilation facilities that restrict or encourage the flow of wind, it is very inconvenient to manage. Therefore, many well-ventilated shafts, bottom-hole yard have serious air leakage and low effective air flow rate. Some mines at the entrance of Shihmen and the middle of the roadway along the vein at the junction of the guide to set up a guide to the wind so that the wind facing the mining area, back