Material drying device for discharge port of storage bin

A material drying device for a discharge port of a storage bin comprises a vertical square barrel, a first drying part and a second drying part. The top end of the vertical square cylinder is arranged at a discharge hole in the bottom end of the storage bin; the vertical square cylinder is provided with two opposite end surfaces, namely a first side wall and a second side wall; the structures of the first drying part and the second drying part are completely the same; the number of the first drying parts and the number of the second drying parts are both multiple, the first drying parts are arranged on the first side wall of the vertical square barrel at equal intervals in the vertical direction, and the second drying parts are arranged on the second side wall of the vertical square barrel at equal intervals in the vertical direction. In the vertical direction, each second drying part is located between every two adjacent first drying parts. According to the utility model, the material discharged from the sto