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Mass and energy balances of stainless steel EAF

Title data

Kirschen, Marcus ; Pfeifer, Herbert ; Wahlers, Franz-Josef:
Mass and energy balances of stainless steel EAF.
In: 7th European Electric Steelmaking Conference : proceedings. Vol. 2. - Milano : Associazione Italiana di Metallurgia , 2002 . - 2.3-2.12
ISBN 88-85298-44-3

Abstract in another language

Off-gas measurements were performed at two EAFs (electric arc furnaces) of ThyssenKrupp Nirosta in order to set-up precise mass and energy balances. Results show that, with similar production parameters as steel type, scrap an slag former input, coal addition, cooling system, tap-to-tap times, the use of fuel burners and dedusting system operation drastically affects the measured off-gas composition and amount of air infiltration into the furnace vessel. A high degree of air infiltration may result in decreasing the chemical energy load (H2 and CO content) but increasing the total off-gas enthalpy. On the other hand, without additional oxygen input for post-combustion, H2 and CO off-gas concentrations may achieve considerable values. Mass and energy balances for austenitic heats are presented for two TKN steel mills at Bochum and Krefeld.

Further data

Item Type: Article in a book
Refereed: Yes
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 13:36
Last Modified: 18 Jul 2019 08:29
URI: https://eref.uni-bayreuth.de/id/eprint/49575