Fermentation device for preparing psicose

The utility model discloses a fermentation device for preparing psicose, which relates to the technical field of fermentation processing and comprises a fermentation tank, a middle conveying pipe, a tee joint, a cold water tank and a hot water tank, the middle conveying pipe is arranged in the fermentation tank, and the input end and the output end of the middle conveying pipe respectively penetrate out of the peripheral side wall of the fermentation tank; the input end of the middle conveying pipe is communicated with the first end of the tee joint; a cold water pump is arranged in the cold water pool and communicated with the second end of the tee joint through a cold supply pipe. A hot water pump is arranged in the hot water pool and communicated with the third end of the tee joint through a heat supply pipe. The cooling device is compact in overall structure and reasonable in arrangement and is communicated with the first end of the tee joint through the input end of the middle conveying pipe, the cold wa