Tunnel forced ventilation cooling device and method

Abstract

The invention relates to tunnels, in particular to a tunnel forced ventilation cooling method. The method is characterized by comprising the steps that a plurality of upper structural round holes and a plurality of lower structural round holes corresponding to the upper structural round holes are formed in a tunnel partition board; upper axial flow fans are arranged in the upper structural round holes, and lower axial flow fans are arranged in the lower structural round holes; airflow of an outlet tunnel flows into an inlet tunnel under the effect of the upper axial flow fans, and the airflow of the inlet tunnel flows out of an outlet tunnel under the effect of the lower axial flow fans, so that mixing of the airflow of the outlet tunnel and the airflow of the inlet tunnel is achieved. The tunnel forced ventilation cooling method is particularly suitable for the engineering with the long tunnel ventilation section, the large traffic volume and the high tunnel opening temperature. A device comprises the tunnel partition board, the axial flow fans, the structural round holes, grating shutters and the like. The device has the advantages that the temperature of tunnel exits is effectively reduced; the peripheral heat environment of the tunnel exits is obviously improved; normal passing and work of a driver, passengers and tunnel overhauling personnel are ensured; and in addition, construction is easy, project investment can be effectively reduced, the higher practicability is achieved, and the method and device can be popularized in a large-scale manner.

Description

technical field

[0001] The invention relates to tunnels, in particular to a tunnel forced ventilation cooling device and method, especially suitable for projects with long tunnel ventilation sections, large traffic volume and high temperature at the entrance of the tunnel. Background technique

[0002] In a tunnel with cars as the main traffic function, while the tunnel and the ground are exchanging heat, the heat dissipation of cars and lighting fixtures and other equipment will heat up the air in the tunnel. Therefore, the air temperature in the tunnel is not only related to the surrounding In addition, it is also related to factors such as tunnel length, traffic volume, tunnel ventilation mode, and wind speed. Generally, the traffic volume of highway tunnels is small and the passing speed of cars is fast. The temperature in the tunnel is mainly controlled by the formation temperature, and the temperature changes little, which will not affect the normal operation of the tu...

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