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Heat transfer study of blast furnace 2 at SSAB oxelosund
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.ORCID iD: 0000-0003-1919-9964
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2009 (English)In: 5th International Congress on the Science and Technology of Ironmaking, ICSTI 2009, 2009, 1131-1136 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a heat transfer study, based on the actual conditions of the hearth of Blast Furnace 2 at SSAB Oxelösund in Sweden. Initially, an experimental study was carried out. The temperature of the cold surfaces of the bottom and wall lining were measured with a hand-held thermocouple. The aim of the overall study was to find a method to determine the outer surface temperature, based on lining temperature readings from permanently installed thermocouples. A heat transfer model was developed, using the established correlations from the experimental study as boundary conditions. With the model, it is possible to calculate a complete two-dimensional temperature profile of the hearth lining at any given time. The permanently installed thermocouples are used to validate the model, by comparing calculated and measured temperatures; the accuracy of the model is plus/minus 3 degrees difference.

Place, publisher, year, edition, pages
2009. 1131-1136 p.
Keyword [en]
Blast furnace hearth, Heat transfer, Mathematical model, Temperature measurements
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-152012Scopus ID: 2-s2.0-84883628373OAI: oai:DiVA.org:kth-152012DiVA: diva2:749606
Conference
5th International Congress on the Science and Technology of Ironmaking, ICSTI 2009, 20 October 2009 through 22 October 2009, Shanghai, China
Note

QC 20140924

Available from: 2014-09-24 Created: 2014-09-23 Last updated: 2014-09-24Bibliographically approved

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Swartling, MariaTilliander, AndersJönsson, Pär
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