回风井

专用回风井在煤矿安全生产中的作用

Application of Special Air Return Mine Shaft to Mine Safety Production

壁间注浆在平顶山煤业集团十三矿西回风井的应用

Application of the injecting to sidewalls at the west airshaft in No.13 Coal Mine of Pingdingshan Coal Industrial Group

介绍了建井三处在平煤十矿新回风井井筒施工中采用单钧提升、手抱钻及相应的劳动组织、施工方法、施工工艺组织快速施工的经验。

Single hook , drill , labor organization , construction method , construction craft organization were introduced during the construction of well .

介绍口孜东矿中央回风井井筒冻结段内壁施工中，采用爬升式滑模施工工艺。

It introduces that the central wind shaft of KuZiDong mine adopts the construction industrial art of the sliding pattern plate of covering the internal wall of shaft in the section of freezing shaft .

多级机站通风系统是在井下设立若干个风机站，接力将地面新鲜风流经井巷送入矿山井下作业地点，而污风由同样级数风机站经回风井巷排出地表。

Multi-stage fan station in the mining ventilation system is the establishment of a number of fan stations , relaying from ground by the fresh airflow into the underground mine sites , while polluted air through the same stages from wind-returning roadway to the ground surface .