Efficient drying device

The invention discloses an efficient drying device, and relates to the technical field of wet and viscous garbage treatment, in particular to improvement of the efficient drying device for the wet and viscous garbage. An integral outer rack is arranged at the outer end of the right side of the main drying cylinder, and the outer rack is meshed with the driving output end of the main drying cylinder driving device; the hot air collecting pipe is arranged in the main drying cylinder and arranged in the middle of the interior of the main drying cylinder in a supported mode through a plurality of hot air collecting pipe supporting frames. A plurality of in-cylinder heat circulating pipes are uniformly arranged on the inner wall of the main drying cylinder, the left sides of the plurality of in-cylinder heat circulating pipes are fixedly connected to the left side of the hot air collecting pipe, and the right sides of the plurality of in-cylinder heat circulating pipes penetrate through the outer wall of the main