Transport of Solids through Rotary Dryers with Flights of Two and Three Segments

E.B. Arruda; J.M.F. Façanha; L.N. Pires; A.J. Assis; Marcos A.S. Barrozo

doi:10.4028/www.scientific.net/MSF.591-593.368

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Transport of Solids through Rotary Dryers with Flights of Two and Three Segments

Abstract:

Rotary dryers are commonly used to dry particulate in a range of food and mineral processing industries. The purpose of this work was to study the design and performance of a rotary dryer. It was evaluated the number of flights and operational conditions that corresponding to the optimal performance for the equipment. A set of equations to predict the solids holdup in flights with three and two segments was also evaluated. Their predictions were compared to measurements performed with a pilot plant rotary dryer. The equation generated very accurate estimations.