... feature of air drying machine is heating directly, drying quickly. The feature of air drying machine is heating directly, drying quickly. The scope ... of precipitation. This device is widely used in the drying of the sawdust, starch, grain and other granular materials ... dry thermal reaches 60 percent.The applicable scope of air drying machineCorn straw, sawdust dryer soybean straw, cotton stalk, wheat ...