Developments in intermediate charging reheat furnaces

Adapting the techniques developed for integrated mills to mini-mills can ensure a product quality similar to that achieved in the integrated mill but at a lower cost. Cost savings result because of the greater flexibility of operation afforded in the mini-mill as the caster is located close to the r...

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Bibliographic Details
Published inSteel times Vol. 222; no. 9; p. 356
Main Authors Cazes, J F, Dogan, S A
Format Journal Article
LanguageEnglish
Published London Quartz Business Media Ltd 01.09.1994
Subjects
Billet casting
Charge
Cost engineering
Furnaces
Heating
Mini-mills
Rolling mills
Steels
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Summary:Adapting the techniques developed for integrated mills to mini-mills can ensure a product quality similar to that achieved in the integrated mill but at a lower cost. Cost savings result because of the greater flexibility of operation afforded in the mini-mill as the caster is located close to the rolling mill. To optimize material flow, and also save energy, it is necessary to charge as many billets as possible directly from the caster while still hot. Lateral charging of hot product direct from the caster at an intermediate position part way along the first furnace zone is a new furnace operating technique which optimizes retention of the heat of casting while guaranteeing optimum reheating of billets, whether hot from the caster or cold from the stock yard. This technology not only makes it possible to limit investment costs for the complete shop, but also to reduce the cost of the steel produced.
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ISSN:0039-095X