... models for the food and chemical industries; 1.IntroductionDrum dryer(flaker) is used to transform viscous (molten) product into ... drum, scrape knives, heating(cooling) unit(rotary joint, siphon tube), feeding pan, protection guards, driving unit, steel frame etc ... sulfur, phosphorus pentasulfide and other inorganic chemical products.Drum dryer can be used for sulfur dye, disodium hydrogen phosphate, ...