摘要
对任楼矿主通风机运行前的通风动力提出了三种方案，对其优选方案进行了分析论证，并指出在特定条件下应用自然通风时应注意的问题。
Offered three kinds of the power supply optimum scheme for the main fan.Analysed and profed the schemes and some points for attention to apply nature ventalation in special conditions have be shown.
关键词
煤矿
通风
动力方案
通风机
优选
ventilation power,natural draft pressure,optimum,fan
