Aging furnace with uniform heating temperature

The aging furnace comprises an aging furnace main body, the aging furnace main body comprises a furnace body and a furnace door, the furnace door is arranged at an opening in the right end of the furnace body, the aging furnace further comprises an air guide piece, an electric heater, an air blowing device and a cart, the air guide piece is arranged in a cavity of the furnace body, and a plurality of ventilation holes are formed in the left end, the front end and the rear end of the air guide piece. The bottom end of the air guide part is connected to the inner bottom face of the furnace body, the three electric heaters are arranged on the front outer side wall, the rear outer side wall and the left outer side wall of the air guide part respectively, the air blowing device is arranged in the middle of the inner top face of the furnace body, the cart is arranged in the air guide part and comprises a flat plate, wheels and a handle, and the flat plate is provided with a plurality of air guide holes. The wheels