Ventilation safety monitoring device for coal mine

The utility model relates to the technical field of coal mine safety equipment, and discloses a ventilation safety monitoring device for a coal mine, which comprises an exhaust fan and a monitoring mechanism for detecting hydrogen sulfide gas, the outside of the exhaust fan is fixedly connected with...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU YUHANG, CHO HYUN, DONG ZHIQIANG, YAN JUNRUI, YAN ZHIFANG
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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