采空区在通风节能中的运用

The Application of Ventilation and Energy Saving in Mined-out Area

矿山进入深部开采后,其通风系统排风端风速高、阻力大,通常的做法是另掘通风井,降低风速,减少阻力,节能降耗,这样做投资大且时间长、见效慢,影响矿山正常生产。文章提出利用矿山上部采空区有效增加排风端通风断面,投入少见效快,并通过工程实例予以说明。

After the mines reaching deep mining, its ventilation system＇ exhaust end will have high wind speed and resistance. Digging another ventilation shaft to reduce wind speed is a typically practice, for the purpose of reducing the resistance, saving energy and reducing consumption. While large investment, long time, effective slow, affecting the normal production of mine will along with this way. This paper raises a way that effectively increases the exhaust end＇ s ventilation section by using the upside mined - out area. Engineering examples are used to explain its charac- teristics of imputing less effective fast.