Chemistry:Flights (rotary dryer)
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Flights, also commonly referred to as "material lifters" or "shovelling plates" are used in rotary dryers and rotary coolers to shower material through the process gas stream.[1] Fixed to the interior of the rotary drum, these fin-like structures scoop material up from the material bed at the bottom of the drum and shower it through the gas stream as the drum rotates. This showering creates a curtain of material spanning the width of the drum, helping to maximize the efficiency of heat transfer.
Depending on the needs of the material and the process, a variety of flight designs and placement patterns are used in order to create a maximum efficiency curtain while still retaining the integrity of the product.[2][3]
References
- ↑ "Rotary Dryer Design 101: Flight Design". Feeco International. https://feeco.com/rotary-dryer-design-101-flight-design/.
- ↑ "Rotary Dryer Flights Increase Efficiency of Heat Transfer". FEECO International, Inc.. http://feeco.com/2012/11/28/rotary-dryer-flights-increase-efficiency-of-heat-transfer/. Retrieved 31 January 2013.
- ↑ Benhsine. "Influence of flight shape on discharging profiles of granular material in rotarydryer". Researchgate. https://www.researchgate.net/publication/318072641_Influence_of_flight_shape_on_discharging_profiles_of_granular_material_in_rotary_dryer/fulltext/5957da68458515ea4c6040df/Influence-of-flight-shape-on-discharging-profiles-of-granular-material-in-rotary-dryer.pdf.
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