Drying machine

The utility model discloses a dryer, comprising: a support body; the drying cylinders are coaxially arranged and connected with one another, flow guide channels are formed in the drying cylinders, each flow guide channel is provided with an input end and an output end, the output end of the flow guide channel located on the innermost side extends out of all the drying cylinders, and the drying cylinder located on the outermost side is rotationally connected with the supporting body. The flow guide channel located on the outermost side communicates with a feeding hopper, and in any two adjacent drying cylinders, materials in the flow guide channel located on the outer side are conveyed to the input end in the flow guide channel located on the inner side from the output end; the rotating driver is used for driving all the drying cylinders to rotate; and the drying device is provided with a hot air outlet, and the hot air outlet communicates with the flow guide channel on the outermost side. Due to the fact that