Coal mine underground anti-deformation dustproof device

The utility model discloses an underground coal mine anti-deformation dustproof device which comprises a fixing frame, dust concentration sensors are installed on the left side and the right side of the fixing frame through bolts, an arc-shaped conveying pipe is movably installed in the center of th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHI JIANJIE, WANG YUQIANG, LIU HAIZHE, QIN PENG, DONG TAO, ZHANG LONG, FU JING, CHEN XIAOYONG, HE YANBO, HU CHONG, WU LEI, LI XINCHAO, WANG GUOQI, WANG PU, SUN SHAOLONG, LI YUNFEI
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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