Roller dryer facilitating uniform drying of organic fertilizer

The utility model discloses a drum dryer facilitating uniform drying of organic fertilizer, and particularly relates to the technical field of organic fertilizer processing, the drum dryer comprises an outer drum, an inner drum is arranged in the outer drum, two rotating rings are arranged on the outer surface of the outer drum, and rollers are arranged at the bottoms of the two rotating rings; a gear ring is arranged at the position, between the two rotating rings, of the outer portion of the outer cylinder, a first motor is arranged at the bottom of the outer cylinder, a speed reducer is arranged at the output end of the first motor, a gear is arranged at the output end of the speed reducer, and a plurality of beating structures are arranged between the outer cylinder and the inner cylinder. According to the fertilizer drying device, fertilizer to be dried can be turned over and evacuated, the contact area of the fertilizer and heat is increased, then organic fertilizer is evenly dried, in the drying proces