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Modelling of the coke calcining kiln

Perron Jean, Potocnik Vinko et Bui Rung T.. Modelling of the coke calcining kiln. Dans : CIM 1988 - 27th Annual conference of metallurgists : reduction and casting of aluminum Vol. 8 , August 28-31, 1988, Montréal, Canada.

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Résumé

Modelling the rotary kilns used for the calcination of the coke is no simple undertaking, due to the manyinteracting physical phenomena governing the behavior of the solid bed and the freeboard gas. To date, a few attempts havebeen made, resulting in models that are either limited to a static global heat balance evaluation or affected by weaknessescaused by too many crude simplifying assumptions. As the main purpose is to control coke quality by controlling the calcination temperature and its rate ofincrease, the key issue is to control the temperature and location of the calcining zone, and in order to do so, it isimportant to introduce the effect of the many critical factors such as emissivities, volatiles and third air into the model. We have succeeded in doing so. Simulation results will be presented and discussed, clearly showing a possibility of optimizingthe operation of the kiln.

Type de document:Matériel de conférence (Non spécifié)
Sujets:Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Mots-clés:Calcining kiln, petroleum coke, mathematical model, process analysis
Déposé le:25 oct. 2016 00:16
Dernière modification:09 déc. 2016 16:18
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