... dryer,dryer 1.divide Drum or Bent-tube type 2.dry sawdust,straw,oil palm fiber 3.drum ... dryer,dryer 1.divide Drum or Bent-tube type 2.dry sawdust,straw,oil palm fiber 3.drum speed ... are collected on the other side of the lower part .Hot air from the feed end or discharge end ... and discharge from the other side of the upper part .2. The performance characteristics Drier‘s evaporation capacity is generally ...