Cleaning device for probiotic fermentation tank

The utility model relates to the technical field of probiotic production, and discloses a cleaning device for a probiotic fermentation tank, which comprises a support frame, a fermentation tank is fixedly mounted in the support frame, a discharge port is arranged at the bottom end of the fermentation tank, support legs are fixedly mounted on the periphery of the bottom end of the support frame, and the bottom end of the support frame is provided with a discharge port. A water tank is fixedly installed at the position, located on one side of the fermentation tank, of the top end of the supporting frame, a sealing cover is arranged at the top end of the fermentation tank, a sprayer is arranged at the bottom end of the sealing cover, and by arranging the sprayer, a driving structure and a guiding structure, stains attached to the inner side wall of the fermentation tank can be effectively and rapidly removed; a first belt pulley drives a second belt pulley to rotate together through a belt, a transmission block