Abstract
This work represents an extended abstract of a study presented at the PRES 2016 conference. Despite the fact that alternative processes such as Corex® and Finex® have already been established on industrial scale, the blast furnace route continues to be the most important process used to produce pig iron. Due to its importance, a variety of models of the blast furnace process have been developed in the past decades. In addition to this, a well-established analogue representation of blast furnace operation is given by the Rist operating diagram. The target of this work was to create a comprehensive blast furnace model in the process simulation platform of gPROMS ModelBuilder®, which enables the description of interdependencies between the main blast furnace process, raceway conditions as well as the overall thermodynamic process conditions within a single mathematical model. As an example of possible applications of the developed model, a detailed analysis of the model behaviour under varying coke substitution scenarios was carried out in order to evaluate their CO2 abatement potentials.
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