hot air dryer is for drying the raw material: less than 5mm 1.final moisture:8-12% 2.the working principle:hot-air drying Dryer machineWood dryer is suitable for drying materials like sawdust, rice hull, milling wheat straw, corn stalks and so on. The moisture of wet materials is at 20-30%. The wood dryer is equipped one fuel boiler, inlet, steel pipe, exhaust blower (fan), cyclone. Wet materials ...