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Tunnel ventilation duct is a large diameter hose. As the name shows, it’s for tunnel. While the tunnel can be in mine and railway. But the tunnel ventilation hose is also suitable for other uses.
Widely used in airport and basement to ventilate. It’s ideal for air condition of fumes, light duty dust extraction and air transfer.
Acts as the connection between fans and other air move machines. Besides above usages, it can exhaust out wasted air.
In general, tunnel duct have 2 types:
The ventilation type of a tunnel is determined by several factors:
The length of the tunnel and the size of the tunnel section.
The specific construction method and environmental conditions.
In construction, there are two primary methods:
Natural Ventilation: Achieved by the temperature difference inside and outside the tunnel, which causes differential pressure. Generally, it’s just for short and straight tunnels as outside weather affects it greatly, making it less common.
Mechanical Ventilation: This is the most frequently used method. On such occasions, you have to use tunnel ventilation hose to ensure proper airflow.
