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Media type:
E-Article
Title:
Development of a Mass and Energy Balance Model and Its Application for HBI Charged EAFs
Contributor:
Arzpeyma, Niloofar;
Gyllenram, Rutger;
Jönsson, Pär G.
imprint:
MDPI AG, 2020
Published in:Metals
Language:
English
DOI:
10.3390/met10030311
ISSN:
2075-4701
Origination:
Footnote:
Description:
<jats:p>A static mass and energy balance model combined with a MgO saturation slag model is developed for electric arc furnaces. The model parameters including distribution ratios and dust factors are calibrated for a specific furnace using experimental data. Afterward, the model is applied to study the effect of charging different amounts of hot briquetted iron (HBI) on energy consumption, charged slag former amount, and slag composition. The following results were obtained per each 1% increase of HBI additions: (i) a 0.16 Nm3/t decrease in the amount of injected oxygen for metal oxidation, (ii) a 1.29 kWh/t increase in the electricity consumption, and (iii) a 34 kg increase in the amount of the slag.</jats:p>