... , indirect heated dryers are used when product contamination is a concern.3. Rotary Kiln Dryer main technical parameter: ItemsDescriptionAssistant ... purposePRICESERIVCE1Woker operate stoveWoker operate stove use fire bricks,one set have two stove,can work by one worker ,feeding ... bricks . together with steam . with windowns holes outside.A:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure ...