Ventilation device for underground operation of coal mine and ventilation method thereof

The invention discloses a coal mine underground operation ventilation device and a ventilation method thereof, and relates to the technical field of coal mine underground ventilation, the coal mine underground operation ventilation device comprises an air draft pipeline, a ventilation pipeline, a co...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIN SUOCHENG, WANG JIANXIN
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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