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Mathematical Modeling of Postcombustion in an Electric Arc Furnace (EAF)

Department of Materials Science and Engineering, Royal Institute of Technology (KTH), Stockholm 100 44, Sweden
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Metals 2019, 9(5), 547; https://doi.org/10.3390/met9050547
Received: 4 April 2019 / Revised: 7 May 2019 / Accepted: 7 May 2019 / Published: 10 May 2019
Numerical modeling was used to study the capability of postcombustion in an electric arc furnace (EAF) equipped with virtual lance burners. The CO flow rate at the molten bath surface was estimated using the off-gas data obtained close to the outlet of an EAF. Then, the effect of the secondary oxygen flow rate on postcombustion was studied. The results show a CO flow rate of 0.6 kg·s−1 and 0.8 kg·s−1 for operation modes of burner and burner + lancing. Increase of the secondary oxygen flow rates of 60% and 70% result in 17% and 7% increase in the postcombustion ratio (PCR) for the burner and burner lancing modes, respectively. View Full-Text
Keywords: EAF; postcombustion; CFD EAF; postcombustion; CFD
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Arzpeyma, N.; Ersson, M.; Jönsson, P.G. Mathematical Modeling of Postcombustion in an Electric Arc Furnace (EAF). Metals 2019, 9, 547.

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