Fermentation tank with efficient heat exchange function

The utility model discloses a fermentation tank with an efficient heat exchange function, which comprises a tank body and is characterized in that a collecting box is fixedly mounted at the top end of the tank body, a clearance mechanism is arranged at the top end of the tank body, a bearing at one end of the clearance mechanism is connected with a water valve, the output end of the water valve is connected with a pipeline of the tank body, and the output end of the water valve is connected with a pipeline of the tank body. The water inlet end of the collecting box is connected with the tank body through a pipeline, one side of the collecting box is connected with the clearance mechanism through a bearing, a heat exchange bin is arranged in the tank body, a feeding port is formed in the position, located in front of the water passing valve, of the tank body, a discharging port is formed in the side, close to the bottom end, of the tank body, and the water inlet end of the heat exchange bin is connected with t