Circulating cooling device for yoghourt production

The utility model discloses a circulating cooling device for yoghourt production. Cooling bin, a feeding hopper is arranged at the top of the cooling bin, a discharging pipe is arranged at the bottomof the cooling bin, a stirring mechanism is arranged in the cooling bin and is of a bent hollow pipeline structure, the two ends of the stirring mechanism horizontally penetrate through the two end faces of the cooling bin, and the two ends, located outside the cooling bin, of the stirring mechanism are connected with a cooling water inlet pipe and a cooling water outlet pipe respectively. The lower end of the discharge pipe is connected with a first branch pipe and a second branch pipe, the second branch pipe is connected with a buffer bin, the buffer bin is provided with a rotor pump, the rotor pump is provided with a return pipe, one end of the return pipe is connected with the rotor pump, and the other end of the return pipe is connected with the side wall of the cooling bin. By adopting the structure, the pro