DBPapers
DOI: 10.5593/SGEM2016/B21/S07.047

SIMULATION OF FUEL CONVERSION PROCESS IN THE VORTEX GASIFIER

I.Berg, G.Khudyakova, S. Gordeev,P.Khudyakov
Friday 9 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-58-2 / ISSN 1314-2704, June 28 - July 6, 2016, Book2 Vol. 1, 367-374 pp

ABSTRACT

The paper describes numerical simulation results of solid fuel conversion process. The object of investigation is the vortex gasifier, with multistage scheme: the first oxidizing zone and the second reduction zone. To ensure required aerodynamic conditions and necessary conditions of gasification process in the real apparatus, integrated approach of simulation was performed. The calculated analysis of thermochemical conversion gasifier of solid fuels with low capacity was performed in Thermoflow software package. This analysis allowed to estimate the syngas composition, which was influenced by the process parameters such as the gasifying atmosphere, the type and composition of fuel and oxidizer, the fuel temperature, the conversion degree and heating losses. Estimation on the equilibrium composition of produced synthesis gas was conducted. The internal configuration optimization of the oxidation and reduction section in the vortex gasification apparatus was performed by CFD method. The oxidizing medium supplying to the first and second stages was simulated the same way.

Keywords: simulation, computational fluid dynamics, finite element method, thermochemical conversion, vortex process, thermodynamic analysis

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