Microwave preheating stirring device

A microwave preheating stirring device comprises a cavity, a microwave absorption feeding port, a microwave device, a stirring mechanism, a discharging port, a PLC and a conveyor. Wherein the cavity is mounted on a conveyor, the upper part of the cavity is a blanking cavity, the lower part of the cavity is a stirring cavity, a stirring mechanism is vertically mounted in the center of the bottom ofthe stirring cavity, and a driving device with a microwave absorption feeding hole and used for driving the stirring mechanism to act is further arranged above the blanking cavity; the discharge holeis formed in the side surface of the lower part of the stirring cavity; a gate is arranged at the discharge hole; the microwave device comprises a waveguide cavity, a heating magnetron and a preheating magnetron; the heating magnetron is mounted at the middle lower part of one side surface of the stirring cavity through the waveguide cavity, and the preheating magnetron is mounted at the upper part of the other side surfa