Preheating stirrer for producing rubber antioxidant

The utility model relates to the field of rubber anti-aging agent production, and particularly discloses a preheating stirrer for rubber anti-aging agent production, which comprises a tank body, support legs fixedly connected with the bottom of the tank body, a feed hopper arranged at the upper end of the tank body, a discharge port with a valve arranged at the bottom of the tank body, a stirrer arranged in the tank body, an upper end of the stirrer extending out of the tank body and connected with a motor, and a lower end of the stirrer extending out of the tank body. A heat conduction ring plate is arranged in the tank body, a heating cavity is defined between the heat conduction ring plate and the tank body and connected with a hot air circulating system, the upper end of the tank body is connected with a dust suction pipe, the dust suction pipe extends into the tank body, and the end of the dust suction pipe is fixedly connected with a filtering disc; hot air is filled into the heating cavity through the