Novel tunnel ventilation airflow pressurizing device

The utility model provides a novel tunnel ventilation air flow pressurizing device, which relates to the technical field of tunnel ventilation and comprises an air pipe, an air exhaust ring is sleeved on one side of an air pipe body, the section of the air exhaust ring is curved, an air outlet of th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JIN PENG, BAI TIANFENG, HE PENG, XING CHANGZHU, WANG ZHUOJUN, LIU GUANGHUI
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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