Operational experiences with the optimization of secondary cooling

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F14%3APU109486" target="_blank" >RIV/00216305:26210/14:PU109486 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Operational experiences with the optimization of secondary cooling
Original language description
Surface temperatures of cast slabs at small radius segments in front of as well as at the unbending point belong to parameters that affect the surface quality of continuously cast slabs. Older machines for continuous casting were designed with regard to the performance (to amount of cast slabs) rather than to the quality. Therefore, the adaptation of secondary cooling is required in order to accomplish the desired surface temperatures. The modification consists in the dynamic control of secondary cooling, surface temperatures monitoring by means of the numerical model of temperature field as well as in a prospective replacement of cooling nozzles. The paper deals with relationships of described influences and their impacts to the temperature field of cast slabs. The results are presented for the 1530x250 mm slabs that are cast in Evraz Vitkovice Steel where the main authors dynamic 3D solidification model is used to control the production. The results and experiences obtained after the replacement of cooling nozzles are compared to long-time operational data for the preceding setup of cooling nozzles. The comparison is performed with the use of data acquired from the dynamic solidification model and with the use of the statistical operational data.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 8th European Continuous Casting Conference ECCC 2014
ISBN
978-3-200-03664-2
ISSN
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e-ISSN
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Number of pages
10
Pages from-to
1181-1190
Publisher name
Austrian Society for Metallurgy and Materials (ASMET)
Place of publication
Leoben, Austria
Event location
Graz
Event date
Jun 23, 2014
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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