... % 2.the working principle:hot-air drying Dryer machineWood dryer is suitable for drying materials like sawdust, ... wet materials is at 20-30%. The wood dryer is equipped one fuel boiler, inlet, steel pipe ... the curving pipes and buffer (drying chamber) of dryer, thus wet materials is finished to dry, ... lower cost consumption and high efficiency.hot air dryer for drying the raw material: less than 5mmfinal ...