... sulfate,chloride,starch,yeast,asphalt,dyestuff,food stuff,metallurgy and so on Liquid material is dried by heat transfer ... drum(cylinderdrum, cover of two ends, axis of ends and bearings),liquid material feeder(include liquid trough), scratching device(include ... frame with pressure regulator),driving system(include motor and reducer), heating medium(steam) and the input & discharge device, dried product ...