Tunnel type baking chamber

The utility model relates to a tunnel type baking chamber. One end of the baking chamber is provided with a feeding door, and the other end of the baking chamber is provided with a discharge door. An orbit is laid between the feeding door and the discharge door. A draught fan is provided approaching to the position of the air inlet, and a heater is provided approaching to the position of the draught fan. The top side of the baking chamber is provided with a plurality of humidity discharging eyelets. One end of the air inlet approaching to the baking chamber is provided with a wind collecting zone. The draught fan faces the cavity of the baking chamber and faces against the wind collecting zone. A wind return pipe is provided between the air outlet of the baking chamber and the air inlet of the wind collecting zone. The wind collecting zone is also provided with a temperature adjustable air inlet. The baking chamber can conserve the energy consumption, and raises the baking quality and the baking effect on the material, in particular to the fruit.