Direct flue gas veneer drying machine and drying system

The invention provides a direct flue gas veneer drying machine. The drying machine is provided with a hot air conveying device and a drying chamber, the hot air conveying device is provided with an air supply pipe, the drying chamber, an air return pipe and an exhaust pipe, the air supply pipe is communicated with the drying chamber, and a jet nozzle of the air supply pipe is located below a board; the drying machine is further provided with an internal circulation air blast device, the internal circulation air blast device is provided with an air blower, a lower air draft pipe and an upper air jet pipe, the lower air draft pipe is communicated with the bottom of the drying chamber, an air outlet of the lower air draft pipe is connected with an air inlet of the air blower in an assembled mode, an air outlet of the air blower is connected with an air inlet of the upper air jet pipe in an assembled mode, and an air outlet of the upper air jet pipe is located above the board; the air return pipe is communicated with the bottom of the drying chamber; the exhaust pipe is arranged at the top of the drying chamber, and a lower end opening of the exhaust pipe is communicated with the top of the drying chamber. The direct flue gas veneer drying machine is utilized in a direct flue gas veneer drying system, and compared with the prior art, the board drying effect is excellent; the board can be effectively prevented from burning.