Mine ventilation air increasing device

The utility model discloses a mine ventilation air increasing device, and particularly relates to the technical field of mine ventilation, the mine ventilation air increasing device comprises an air duct, one end of the air duct is provided with an air collecting hopper, the other end of the air duc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU HUIQI, WANG ZHENPING, ZHANG QI, GAO LEI, LYU QINGSHAN, YANG QINGQING, SHI DONGWEN, ZHANG YINGCHAO, ZHANG DUO, WANG WEIFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS WEAPONS
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