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