Milling material recycling system

The invention relates to a milling material recycling system, and belongs to the field of milling material recycling, the milling material recycling system comprises a drying mechanism used for drying a milling material and a crushing mechanism used for crushing the milling material, the drying mechanism and the crushing mechanism are sequentially connected through a conveying mechanism, the drying mechanism comprises a rack and a drying cylinder, and the drying cylinder is arranged on the rack. The drying cylinder comprises an outer cylinder and an inner cylinder, the outer cylinder is rotatably connected with the rack, the outer cylinder sleeves the outer side of the inner cylinder and is rotatably connected with the peripheral wall of the inner cylinder, the inner cylinder is fixedly connected with the rack, the end, close to the ground, of the inner cylinder is a feeding port, and the end, close to the ground, of the outer cylinder is a discharging port; a communicating hole used for communicating with th