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Metallurgist
Published in: Metallurgist 5-6/2020

25-09-2020

Analysis of an Electric Arc Furnace Used for Casting of Steel: An Exergy Approach

Authors: U. Camdali, M. Tunc, G. Arasil

Published in: Metallurgist | Issue 5-6/2020

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Abstract

An electric arc furnace with a liquid steel capacity of 30 t was analyzed using the second law of thermodynamics. To carry out the exergy analysis, materials and energies entering and exiting the electric arc furnace were determined. The materials included several types of scrap, cokes, fluxes, oxygen, liquid steel, stack gases, and dust. Electrical and exothermic chemical energies of these materials were considered. Energies of the materials leaving the furnace, including liquid steel, slag, stack gases, and dust, were determined, as were the chemical reactions and exergies entering and leaving the electric arc furnace. Exergy efficiency and lost exergy were calculated. It was found that 42.6% of exergy is lost because of the chemical reactions, heat transfer, and other reasons. The overall exergy efficiency of the entire system was found to be 46%.
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Metadata
Title
Analysis of an Electric Arc Furnace Used for Casting of Steel: An Exergy Approach
Authors
U. Camdali
M. Tunc
G. Arasil
Publication date
25-09-2020
Publisher
Springer US
Published in
Metallurgist / Issue 5-6/2020
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-020-01018-4

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