Antifreeze device of coal mine shaft

The invention discloses an antifreeze device of a coal mine shaft, relates to heating equipment used in the coal mine exploitation environment, and solves the problems that the shaft tends to icing and hidden safety hazards under severe heat waste and high fault rate of present equipment. The antifr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LU HUIKAI, LI JIANSHE, HAN LEILEI, HE JIANAN, WANG JINPENG, ZHAO FEI, ZHANG NIANYOU, LI JIANBIN, XUE YANGSUO, JI XUEMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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