Urban shallow-buried tunnel solar chimney ventilation system

The utility model discloses an urban shallow-buried tunnel solar chimney ventilation system which comprises a solar chimney vertically arranged at the top of a tunnel, an air inlet communicated with the top of the tunnel is formed in the bottom of the solar chimney, and an air outlet communicated with the outside is formed in the top of the solar chimney. The solar chimney is arranged to be a square vertical shaft, one longitudinal side wall of the solar chimney is arranged to be a heat absorption wall, the other longitudinal side wall of the solar chimney is arranged to be a transparent wall, and the two transverse side walls of the solar chimney are arranged to be heat preservation walls. And a turbofan generator and an energy storage device capable of storing electric energy converted by the turbofan generator are arranged at an air inlet of the solar chimney. Ventilation of the tunnel is not affected under the sunshine condition, meanwhile, ventilation without sunshine is achieved without adding too many