Mine compressed air self-rescue automatic drainage device

The utility model discloses a mine compressed air self-rescue automatic drainage device which comprises a transverse rod, a floating ball, a drainage port, a conical head, a round bucket, a guide rod, an air inlet pipe and an air outlet pipe. The air inlet pipe and the air outlet pipe are respective...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG LIMIN, WEI SHIYI, GENG QICHEN, LIU YANG, LI GUODONG, JI GUANGLIANG, XU HANG, LI HUI, GAO LEI, WANG CHANGFU, GAO FEI, ZHAO QIXING, CHENG GANGTAO, ZHANG ZHIMING, LIU JIGANG, SHEN TONG, ZHANG HAILONG, DOU PENGFEI, YANG NIANZHAO, WANG ZHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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