The Modeling of the Gas Flow and Its Influence on the Scale Accumulation in the Steel Slab Pusher-type Reheating Furnace

The gas flow in the pusher-type reheating furnace coupled with fluid dynamics, combustion and radiation was modeled in this work. CFD Simulation results described a detailed flow distribution in the steel reheating furnace and indicated a reverse flow existing under the slab near the burners in the...

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Bibliographic Details
Published in:ISIJ International 2003/09/15, Vol.43(9), pp.1333-1341
Main Authors: Tang, Yong, Laine, Jarmo, Fabritius, Timo, Härkki, Jouko
Format: Article
Language:English
Subjects:
Applied sciences
computational fluid dynamics
Exact sciences and technology
flow pattern
Forming
Heating
Metals. Metallurgy
oxygen distribution
Production techniques
pusher-type reheating furnace
scales accumulation
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Description
Summary:The gas flow in the pusher-type reheating furnace coupled with fluid dynamics, combustion and radiation was modeled in this work. CFD Simulation results described a detailed flow distribution in the steel reheating furnace and indicated a reverse flow existing under the slab near the burners in the lower heating zone. This reverse flow could be the main reason for the scales accumulation in the front part of the heating zone. The oxygen distribution in the furnace was also calculated and the mass fraction is about 4%. The oxygen distributes uniformly inside the most parts of the furnace except the areas near the burners.
ISSN:0915-1559
1347-5460
DOI:10.2355/isijinternational.43.1333