... feature of air drying machine is heating directly, drying quickly. The feature of air drying machine is heating directly, drying quickly. The ... in the air, the drying time is quite short3. The structure of air drying machine is simple, easy ... reaches 60 percent.The applicable scope of air drying machineCorn straw, sawdust dryer soybean straw, cotton ... .5Air temperature180-250180-250 Air drying machine