Coal mine operation ventilation device

The invention belongs to the technical field of coal mining equipment, and particularly relates to a coal mine operation ventilation device. The coal mine operation ventilation device comprises a main body, a dust collecting box used for storing dust is arranged at the position, close to the front e...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BAO QING, DING YANGWEI, BAO GUANCHU, CHANG JUNFANG, LI ZAIGE
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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