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Cyclone Energy: Impact of Inlet Velocity and Outlet Évasé Designs

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  131594897,  2013 Kansas City, Missouri, July 21 - July 24, 2013. (doi: @2013
Authors:   Paul A. Funk, Greg A. Holt, Derek P. Whitelock
Keywords:   Air Quality Cotton Gins Cyclone Efficiency Dust Emissions Fine Particulate.

Abstract. Because electricity generation produces emissions, reducing cyclone pressure drop has the potential to benefit the environment. Enhanced 1D3D cyclones common in the cotton ginning industry were tested with various évasés, over a range of inlet velocities. With évasés it was possible to reduce the cyclone portion of energy consumption by 5%. It was possible to reduce the cyclone portion of energy consumption by 50% by reducing inlet velocity 28%. Particle size distribution analysis of cyclone emissions showed little change in PM10 and PM2.5 over this range of inlet velocities. If emissions at power generating facilities is balanced against emissions at rural agricultural processing facilities, then it is probable that increasing regulatory flexibility would benefit the environment more than more stringent regulations.

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