Ventilation equipment for kiln body calcination

The utility model discloses ventilation equipment for kiln body calcination, which comprises a shaft kiln, an upper burning beam is fixedly mounted in the shaft kiln, a lower burning beam is fixedly mounted at the bottom of the upper burning beam, a vibration discharging machine is fixedly mounted at the bottom of the lower burning beam, air blowers are fixedly mounted on two sides of the shaft kiln, and the vibration discharging machine is fixedly mounted at the bottom of the vibration discharging machine. A cavity is fixedly arranged between the air blowers, an upper air outlet is formed in the inner wall of the cavity in a surrounding mode, a lower air outlet is fixedly formed in the bottom of the cavity, a preheating pipe is fixedly arranged at the top of the shaft kiln, and heating plates are installed on the two sides of the interior of the preheating pipe at equal intervals. The air blowers are fixedly installed on the two sides of the shaft kiln, natural air can be guided into the cavity through the a