Straw drying device

The utility model relates to a straw drying device and belongs to the field of drying devices. The straw drying device comprises a three-barrel dryer, a drying fan and a cyclone separator, the three-barrel dryer, the drying fan and the cyclone separator are sequentially connected, an air inlet, a feed port, an air outlet and a discharge port are arranged on the three-barrel dryer, the air inlet is connected with a hot air source, the air outlet is connected with the drying fan, a discharge belt conveyor is disposed below the discharge port, and a discharge port at the lower end of the cyclone separator is located above the discharge belt conveyor. By means of the straw drying device, round-the-clock production requirements can be met, moisture in dried straw raw materials is uniform, the drying effect is good, mildew and the like during storing and transporting can be prevented, requirements of continuous production are met, and the rotating speed of the three-barrel dryer and feeding speed of a feeding skirt