【摘要】 霍州煤电集团公司李雅庄矿将“一进二回”通风系统改造和优化为“二进一回”通风系统 ,有效地解决了上隅角及尾巷瓦斯超限问题 ,同时还有利于防尘 ,改善了工作环境 ,提高了生产的安全性更多还原

【Abstract】 Introduces that one intakes and two ruturns ventilate system was applied for improving two intakes and one ruturn system in Liyazhuang coal mine of Huozhou coal electrical company,effective resolves gas overlimit of uper corner and tail roadway,at the same time,it benefit to prevent dust,improve work environment,raise safety of production.更多还原