Drum type mine drying device

The invention discloses a drum type mine drying device which comprises a drum which is of a horizontal cavity drum structure with a feeding port and a discharging port and is rotatably arranged on a retainer. The spiral blade is spirally arranged on the inner wall of the roller, and electric heating wires are embedded in the spiral part and the air guide part; the conveying belt is arranged on the driving roller in a surrounding manner, and the conveying belt is divided into a circulating part and a conveying part penetrating through the roller by the driving roller; the supporting plates are arranged on the lower portions of the feeding port and the discharging port of the roller and tightly attached to the inner side of the conveying part. According to the ore conveying device, the penetrating roller circulating conveying belt is arranged, the lattice bins are evenly arranged on the conveying belt, and the lattice bins are free of top faces and bottom faces, so that in the circulating conveying process of t