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Prediction of steel temperature in ladle through time/temperature simulation
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
1993 (English)In: Scandinavian journal of metallurgy, ISSN 0371-0459, E-ISSN 1600-0692, Vol. 22, no 4, p. 213-219Article in journal (Refereed) Published
Abstract [en]

Plant measurements were done for selected parameters, influencing the heat content in ladle lining and the steel in ladle, from tapping time to the start of casting. Temperature profiles in ladle lining were measured throughout the ladle cycle by thermocouples installed in the lining. Measured parameters, such as molten steel temperature and ladle lining temperature profiles at the start of the ladle cycle, were used as initial input to the heat balance simulation model TempSim. Calculated and measured temperatures were compared and the possibility of using the heat balance model TempSim for prediction of steel temperature was demonstrated. The results obtained show that it is possible to predict steel temperatures in ladle at arrival to the casting station with a standard deviation of ±3°. The agreement between measured and calculated lining sublayer temperatures is also good. Effects on the melt temperature in ladle of lining wear, length of tapping time, amount of slag tapped from the primary furnace and lining temperature profile were also highlighted in this work. In particular, ladle lining wear and the length of the tapping influence the steel temperature in the ladle considerably

Place, publisher, year, edition, pages
1993. Vol. 22, no 4, p. 213-219
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-10247Local ID: 9067f4b0-fcbe-11dc-a946-000ea68e967bOAI: oai:DiVA.org:ltu-10247DiVA, id: diva2:983187
Note

Godkänd; 1993; 20080328 (cira)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-02-08Bibliographically approved

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Björkman, Bo

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