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BOF process improvements by enlarged gas purging portfolio from moderate to very high gas flow rates

Title data

Kirschen, Marcus ; Zettl, Karl-Michael ; Ude, Roland:
BOF process improvements by enlarged gas purging portfolio from moderate to very high gas flow rates.
In: EOSC 2018 : 8th European Oxygen Steelmaking Conference. - Milano : Associazione italiana di metallurgia , 2018 . - 9 S.
ISBN 978-88-98990-16-0

Abstract in another language

BOF bottom gas purging has been established as inevitable technology for high quality demands at decreasing conversion cost levels. The trend for applying raw materials with higher variations in phosphorus at the same or increasing product quality levels (1) increases the need for reliable, safe and long-term available inert gas purging. Higher converter lifetimes at decreasing converter refractory costs are, however, realized with increasingly intense slag maintenance methods. Technical solutions are needed to achieve both targets. Based on decades of experience in BOF gas purging at converters worldwide, RHI has recently developed both new purge plug designs and new gas control units to achieve maximum purging availability when converter slag maintenance is applied. The revised product portfolio covers purge plugs from standard to highest gas flow rates and modern and compact gas control in order to realize new concepts of gas purging for improved metallurgical results and gas savings at highest safety standards. Recent case studies are presented.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: BOF inert gas purging; Large gas flow rates; [C][O] Product; Slag maintenance
Institutions of the University: Faculties > Faculty of Engineering Science
Research Institutions > Affiliated Institutes > Fraunhofer Center for High Temperature Materials and Design (HTL)
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Jun 2019 13:52
Last Modified: 18 Jun 2019 13:52
URI: https://eref.uni-bayreuth.de/id/eprint/49573