Fundamentals of post‐combustion in steelmaking vessels | Zendy

Höfer Friedrich | Zendy; Patel Pervez | Zendy; Selenz HansJoachim | Zendy

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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).

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