摘要
莱芜铁矿马庄矿区利用巷道内的地温产生的热风，增加局扇，使副井井筒形成正压区，变东副井进风为出风，解决了东副井井筒冬季结冰的问题．
Using hot air produced by underground temperature and adding local fan quantity to form positive pressure zone at auxiliary shaft and to change air inlet into air outlet at eastauxiliary shaft in Mazhuang mine of Laiwu iron mine,thus icing problem of east-auxiliary shaft in winter has been solved.
出处
《山东冶金》
CAS
1998年第2期5-7,共3页
Shandong Metallurgy
关键词
地温
巷道
副井
井筒
通风系统
underground temperature,shaft,ventilation system,tunnel
