Experimental study and X-ray microtomography based CFD simulation for the characterization of pressure drop in sinter bed

摘要: Abstract In this study, pilot-scale sinter pot tests under three granulation moisture conditions were conducted. Porous structures of the sampled cakes reconstructed by X-ray microtomography and CFD simulations applied based on real geometry. The pressure drop serial subzones along bed including sintered zone, high-temperature zone humidified discussed analyzing experimental measured airflow rate simulation results together. show that cake porosity increases from 0.48 at 6.3 wt% H2O to 0.59 7.3 wt% H2O. various complex porous structures, resulting in remarkable flow heterogeneity complicated velocity field. A high has many more gas channels distribution is developed better. ∼1.5 kPa/m, which much lower compared zone. where main reactions structure changes happen a controlling effect across bed. sintering permeability greatly determines final productivity, affected temperature profile structure.