Blast drying box beneficial to heat dissipation

The utility model discloses a blast drying oven beneficial to heat dissipation. The blast drying oven comprises a drying oven body and a control box connected to the right side of the drying oven body. According to the blast drying box beneficial to heat dissipation, the inner vertex angle of the drying chamber is arranged to be the cambered surface, and it is guaranteed that airflow circulation in the drying chamber is smooth and free of dead corners; the air blowers are arranged on the two sides of the drying chamber while the inner vertex angle of the drying chamber is arranged to be the cambered surface, convection of cold air in the cooling process after drying is completed is achieved, and heat dissipation is accelerated. The heating function and the cooling function are separated through the electric heating fan and the air blower, and normal use of the drying box is guaranteed while the service life of the drying box is prolonged; the guide plates for guiding flow are arrangedat the air outlet ends of