Use of an Artificial Neural Network in determination of iron ore pellet bed permeability

AUTOR(ES)

Chagas, Marcelo, Machado, Marcelo Lucas Pereira, Souza, João Batista Conti, Frigini, Eduardo F. de Jesus

FONTE

REM, Int. Eng. J.

DATA DE PUBLICAÇÃO

2017-06

RESUMO

Abstract The thermal processing of iron ore pellets in pelletizing plants is a decisive stage regarding final product quality and knowledge of its characteristics has a fundamental importance in its process optimization. This study evaluated the variable sensitivity involved in pellet bed formations and their permeability using the artificial neural networks method. The model stated that standard diameter deviation, sphericity and pellet bed height mostly affect bed permeability. The computational model was able to predict pellet bed backpressure by means of pellet geometrical features, thus allowing improving green pellet generation, in order to ensure fuel and energy consumption reduction, final quality improvement and better productivity.

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