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Canadian Metallurgical Quarterly
The Canadian Journal of Metallurgy and Materials Science
Volume 37, 1998 - Issue 3-4
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Articles

Numerical Simulation of the Outokumpu Flash Smelting Furnace Reaction Shaft

Pages 275-283 | Published online: 18 Jul 2013
 

Abstract

A mathematical model for simulating oxidation reactions of chalcopyrite particles together with momentum, heat and mass transfer between particle and gas phase in a flash smelting furnace reaction shaft is presented. In simulation, the equations governing the gas flow are solved numerically with a commercial fluid flow package, Phoenics. The particle phase is introduced into the gas flow by a Particle Source In Cell (PSIC)-technique. The chemical reactions of concentrate particles are assumed to happen at two sharp interfaces, and the shrinking core model is applied to describe the mass transfer of chemical species through the reaction product layer. © 1998 Canadian Institute of Mining and Metallurgy. Published by Elsevier Science Ltd. All rights reserved.

Résumé

On présenté un modèle mathématique de simulation des réactions d'oxydation de particules de chalcopyrite ainsi que du transfert de mouvement, de chaleur et de masse entre particule etphase gazeuse, dans une cuve de réaction d'un four de fusion a gaz chauds. Lors de la simulation, on resout numériquement les équations qui gouvernent l'écoulement de fluide. La phase-particule est introduite dans l'écoulement de gaz par une technique de “Source de particule dans la cellule” (Particle Source In Cell-PSIC). On assume que les réactions chimiques de particules de concentre se produisent à deux interfaces bien definies et on applique le modèle de noyau retrecissant pour decrire le transfert de masse des éspeces chimiques par l'intermediaire de la couche de produit de réaction. © 1998 Canadian Institute of Mining and Metallurgy. Published by Elsevier Science Ltd. All rights reserved.

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