Article | Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 | Mixing and Segregation of two Particulate Solids in the Transverse Plane of a Rotary Kiln Linköping University Electronic Press Conference Proceedings
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Title:
Mixing and Segregation of two Particulate Solids in the Transverse Plane of a Rotary Kiln
Author:
Sumudu Karunarathne: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Chameera Jayarathna: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Lars-Andre Tokheim: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway
DOI:
10.3384/ecp17142174
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016
Issue:
142
Article no.:
025
Pages:
174-180
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2018-12-19
ISBN:
978-91-7685-399-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Mixing of two granular phases in a rotary kiln was investigated through CFD simulations using a two-dimensional transverse plane based on the Eulerian approach and the kinetic theory of granular flows. Simulations were performed transverse with the aim to investigate mixing of two particulate solids, CaCO3 and Al2O3, under the rolling mode. Simulation results indicated particle segregation rather than mixing during the plane rotation. Volume fractions and velocity contours of each phase were examined to understand the mixing and segregation. Particles with lower density and small particle diameter are collected in the middle section of the bed, while particles with a higher density and larger particle diameter get collected at the bottom of the rotating cylinder. Variations in densities and particle sizes of solid particles were identified as the main causes of the particle segregation. Further studies are required to examine the effect of degree of filling on mixing performance and how the use of lifters may improve the mixing efficiency.

Keywords: rotary kiln, granular flow, rolling mode, active layer, passive layer

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Sumudu Karunarathne, Chameera Jayarathna, Lars-Andre Tokheim
Title:
Mixing and Segregation of two Particulate Solids in the Transverse Plane of a Rotary Kiln
DOI:
http://dx.doi.org/10.3384/ecp17142174
References:
No references available

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Sumudu Karunarathne, Chameera Jayarathna, Lars-Andre Tokheim
Title:
Mixing and Segregation of two Particulate Solids in the Transverse Plane of a Rotary Kiln
DOI:
https://doi.org10.3384/ecp17142174
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Citations:
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Last updated: 2019-10-02