Arrangement method for double-uphill air return of mining areas of mine

The invention discloses an arrangement method for the double-uphill air return of the mining areas of a mine. In the arrangement method, two groups of a front group coal mining area and a back group coal mining area which have a close distance in a mining level are firstly provided with a main haula...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GONG QINGGANG, WANG TAO, ZHANG CHUANSHU, TIAN CHANGDONG, MO JI, ZHANG XUELI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING MINING OR QUARRYING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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