Far infrared high-capacity tunnel drying oven

The utility model discloses a far infrared high-capacity tunnel drying oven. A moisture discharging opening is connected with an adjusting air door, a heat-preserving layer is located above a heating element, the adjusting air door is located below the moisture discharging opening, a cooling device is connected with an efficient filter, a discharging platform is connected with a transmission device, the transmission device is located on one side of a cooling fan, and the cooling fan is connected with a cooling air pipe. The far infrared high-capacity tunnel drying oven breaks through a traditional concept of an original drying oven, the current situations that an existing drying oven causes pollution in the drying process and is low in efficiency and yield are avoided with a new method, the tunnel drying oven performs drying in a long box body hot air circulation and far infrared drying mode, the high drying requirement for high efficiency and yield can be met, and while market requirements are met, the cost-