摘要
义马煤业集团千秋煤矿新回风立井施工中,采用先进的施工设备和工艺,加强正规循环作业,提高井筒的掘进速度,取得了2个月都超百米的好成绩。
In the new return air vertical shaft construction in Qianqiu Coal Mine, the advanced construction equipment and craft are applied. The regular cycle operation is strengthened. The well chamber＇s tunneling speed is raised. The two good results of surpassing hundred meters in a month are obtained.
出处
《煤炭技术》
CAS
2008年第12期62-63,共2页
Coal Technology
关键词
回风立井
井筒
掘进
循环作业
return air vertical shaft
well chamber
drivage
cycle operation
