Thermo fluid dynamic Euler-Lagrange CFD analysis applied to wet flue gas desulphurisation technology
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Date
Authors
Colombo, E.
Inzoli, F.
Marocco, L.
Journal Title
Journal ISSN
Volume Title
Publisher
International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics
Abstract
Paper presented at the 6th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 30 June - 2 July, 2008.
Wet Flue Gas Desulphurisation (FGD) technology is the most frequently used scrubbing process for sulphur dioxide (SO2) reduction from coal-fired utility boilers. Wet limestone FGD-plants using Open Spray Tower (OST) technology are the most commonly used. CFD has been used to investigate the gas-liquid fluid dynamics inside a counter-current OST and the heat transfer between the phases. The continuous phase (gas) is modelled in the Eulerian framework while the discrete phase (liquid droplets) in the Lagrangian frame of reference. Simulation results show good agreement with measurements on a pilot plant flue gas cleaning unit. The commercial code Fluent 6.3.26, completed with the necessary subroutines for liquid phase properties and slurry wall interaction, has been used for the calculations.
Wet Flue Gas Desulphurisation (FGD) technology is the most frequently used scrubbing process for sulphur dioxide (SO2) reduction from coal-fired utility boilers. Wet limestone FGD-plants using Open Spray Tower (OST) technology are the most commonly used. CFD has been used to investigate the gas-liquid fluid dynamics inside a counter-current OST and the heat transfer between the phases. The continuous phase (gas) is modelled in the Eulerian framework while the discrete phase (liquid droplets) in the Lagrangian frame of reference. Simulation results show good agreement with measurements on a pilot plant flue gas cleaning unit. The commercial code Fluent 6.3.26, completed with the necessary subroutines for liquid phase properties and slurry wall interaction, has been used for the calculations.
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Keywords
Euler-lagrange, CFD analysis, Computational fluid dynamics, Wet flue gas desulphurisation, Wet limestone FGD-plants, Open spray tower, Gas-liquid fluid dynamics, Eulerian framework, Lagrangian framework, Flue gas desulphurisation, Counter-current open spray tower, FDG, OST
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Citation
Colombo, E, Inzoli, F & Marocco, F, 2008, 'Thermo fluid dynamic Euler-Lagrange CFD analysis applied to wet flue gas desulphurisation technology', Paper presented to the 6th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 30 June - 2 July 2008.