Split type stirring shaft for flash dryer

The utility model relates to a split type stirring shaft for a flash drying machine, which comprises a bearing seat, a sealing cover and a main shaft, an inner cavity is arranged in the bearing seat, one end of the bearing seat is fixedly connected with the sealing cover, the bearing seat is rotatably connected with the main shaft, a middle groove communicated with the inner cavity is formed between the main shaft and the sealing cover, and the split type stirring shaft further comprises a stirring shaft and a clamping key. The stirring shaft is provided with blades, the main shaft is fixedly connected with the stirring shaft through a clamping key, a heat dissipation channel is formed between the stirring shaft and the sealing cover, and the heat dissipation channel is communicated with the inner cavity through the middle groove. The utility model aims to split the shaft of the traditional flash evaporation dryer into the detachable main shaft and the stirring shaft, the blades can be conveniently replaced b