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Cost Benefits of EAF Bottom Purging Systems Due to Metallurgical Improvements

Title data

Kirschen, Marcus ; Hanna, Ashraf ; Zettl, Karl-Michael:
Cost Benefits of EAF Bottom Purging Systems Due to Metallurgical Improvements.
In: Jiang, Tao ; Hwang, Jiann‐Yang ; Mackey, Phillip J. ; Yucel, Onuralp ; Zhou, Guifeng (ed.): 4th International Symposium on High‐Temperature Metallurgical Processing. - Hoboken : Wiley , 2013 . - pp. 309-315
ISBN 978-1-11866-344-8
DOI: https://doi.org/10.1002/9781118663448.ch38

Abstract in another language

Bottom purging systems are well established practice in refining metallurgy and an increasingly important technology for the EAF process in steel industry. Direct bottom purging provides efficient mixing of the entire melt volume, increases turbulence intensity in the melt, and improves mass exchange of alloy additions or oxygen. Continuously rising columns of dispersed gas bubbles helps to increase removal of volatile components carbon monoxide and hydrogen avoiding boiling retardation. Direct purging (DPP) systems provide cost benefits especially for EAF processes where metallurgical constraints have to be considered, e.g. for alloyed and stainless steel production, foundries. Case studies are presented.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: EAF; Bottom purging; benefits; metallurgy
Institutions of the University: Faculties > Faculty of Engineering Science
Research Institutions > Affiliated Institutes > Fraunhofer Center for High Temperature Materials and Design (HTL)
Faculties
Research Institutions
Research Institutions > Affiliated Institutes
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Jun 2019 12:57
Last Modified: 10 Jul 2019 07:50
URI: https://eref.uni-bayreuth.de/id/eprint/49582