Fuente: WIPO "dairy products" A dairy product fermentation tank comprises a fermentation tank body, a protective shell is arranged at the upper end of the fermentation tank body, a water pipe is arranged at the upper end of the protective shell, a motor is arranged on the inner side of the protective shell, a rotating shaft is arranged at the upper end of the motor, a first gear is arranged on the outer surface of the rotating shaft, and a second gear is arranged on one side of the first gear. A through hole is formed in the outer surface of the water pipe, a connecting rod is arranged on the outer surface of the water pipe, a scraping plate is arranged at one end of the connecting rod, a discharging pipe is arranged at the lower end of the fermentation tank main body, a valve is arranged on the outer surface of the discharging pipe, a storage barrel is arranged at the lower end of the discharging pipe, and a guide pipe is arranged on the outer surface of the storage barrel. According to the dairy product fermentation tank disclosed by the utility model, the inner wall of the fermentation tank main body can be conveniently cleaned through the motor, the gear and the cover plate, the dairy product fermentation tank does not need to be disassembled and is practical, and the dairy product can be conveniently collected in different containers through the valve, the discharge pipe and the guide pipe, so that the problem of more residues on the inner wall of a larger container is avoided, the waste is reduced, and the dairy product fermentation tank is more practical.