Granular fertilizer drying device

The utility model belongs to the field of fertilizer drying devices, and discloses a granular fertilizer drying device which comprises a bottom plate, a mounting plate connected to the bottom plate, a drying cylinder connected to the mounting plate, a box door connected to the drying cylinder, a rotating rod connected to the drying cylinder, a servo motor connected to the drying cylinder, a servo motor output shaft connected to the rotating rod, and a scraper connected to the rotating rod. The drying cylinder is connected with a blowing assembly and a heater, the blowing assembly is connected with a connecting pipe, the connecting pipe is connected with the heater, the drying cylinder is connected with an air inlet pipe, the air inlet pipe is connected with the heater, and the drying cylinder is connected with an air outlet pipe; according to the technical scheme, all fertilizers can uniformly absorb heat, so that the fertilizers can be quickly and uniformly dried, the structure is simple, the use angle of th