Energy storage adjusting type double-outlet air curtain cold insulation anti-freezing device for tunnel portal in cold region

The utility model belongs to the technical field of tunnel freezing damage prevention and control, and discloses a cold region tunnel portal energy storage adjusting type double-outlet air curtain cold insulation anti-freezing device which comprises an air curtain cold insulation unit, a phase chang...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG LIRAN, REN SHAOQIANG, ZHOU YANG, WANG PING'AN, WANG QINGSONG, LUO ZONGFAN
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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