Local ventilation cooling device for tunnel construction

The utility model provides a local ventilation cooling device for tunnel construction, and belongs to the technical field of tunnel construction cooling. The device comprises a negative pressure fan, an atomization nozzle, a cooling assembly and the like, a water storage tank and an ice storage box are fixed to the upper end of a bottom plate, a first water pump is installed in a first protection box, the first protection box is fixed to the side, close to the protection box, of the upper end of the water storage tank, and a second water pump is installed in a second protection box, and the second protection box is fixed to the other side, close to the protection box, of the upper end of the water storage tank. The negative pressure fan is installed in the protection box, the protection box is fixed to the upper surface of the water storage tank, the cooling assembly is fixed to the supporting column, the supporting column is fixed to the upper end of the water storage tank, water is pressed into the atomizat