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Fundamentals of post‐combustion in steelmaking vessels
Author(s) -
Höfer Friedrich,
Patel Pervez,
Selenz HansJoachim
Publication year - 1992
Publication title -
steel research
Language(s) - English
Resource type - Journals
eISSN - 1869-344X
pISSN - 0177-4832
DOI - 10.1002/srin.199200494
Subject(s) - chemistry , combustion , steelmaking , thermodynamics , metallurgy , materials science , physics , organic chemistry
Basic equations for the measurement of post‐combustion in oxygen steelmaking are given. A thermodynamic phase diagramm of the system Fe‐C‐O‐H for the post‐combustion reactions to CO 2 and H 2 O has been set up. According to this diagram both CO 2 /(CO + CO 2 ) and H 2 O/(H 2 + H 2 O) ratios fall when temperatures exceed the melting point of FeO n (1377°C). Typical curves for post‐combustion as a function of blowing time have been included for both K‐OBM and KMS heats. An appropriate index for post‐combustion is the specific heat flow in MJ/t · min or m 3 /t · min of (CO 2 + H 2 O).