Tunnel cooling and dust falling device

The utility model provides a tunnel cooling and dust falling device which comprises a fan, the fan comprises an air duct and fan blades, a flow guide cover is fixed on the air duct, a plurality of atomizers are fixed on the flow guide cover, an electrical interface of each atomizer is connected with a power supply of the fan through a cable, and a water inlet of each atomizer is connected with a high-pressure water pipe in a tunnel through a water inlet pipe; the tunnel cooling and dust falling device further comprises a control system, the control system comprises a driver used for controlling the atomization machine to start, and a temperature sensor, a dust concentration sensor and a humidity sensor are further fixed to the side wall of the air duct. The driver, the temperature sensor, the dust concentration sensor and the humidity sensor are all connected with the single-chip microcomputer. According to the tunnel cooling and dust falling device, transformation is carried out on the basis of the draught f