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Study on the blocking of ladle well due to sintering of filler sand
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0002-6127-5812
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0002-3548-8638
2015 (English)In: Proceedings of the 6th International Congress on the Science and Technology of Steelmaking, ICS 2015, Chinese Society for Metals , 2015, 529-532 p.Conference paper (Refereed)
Abstract [en]

The present work aimed at a mechanism study of blocking of ladle well by filler sand. Laboratory experiments were carried out using two different chromite based filler sands technically proven. The interaction between the liquid steel and the sand was also studied by using steels containing different contents of Mn and Al. The reaction between the silica phase and the chromite phase was found to be the main mechanism for the sintering of sand. The reaction resulted in a liquid oxide phase, which became the binding phase between the solid oxide grains. The size of silica phase was found to have great impact on the formation of the liquid oxide phase. Faster formation of the liquid oxide phase would lead to more serious sintering of the sand. It was found that the presence of liquid steel enhanced considerably the sintering of the sand and even increased the amount of liquid phase. Higher temperature and longer holding time would make the sintering of the sand more seriously.

Place, publisher, year, edition, pages
Chinese Society for Metals , 2015. 529-532 p.
Keyword [en]
Chemical reaction, Chromite, Filler sand, Liquid steel, Sintering, Chemical reactions, Chromite deposits, Fillers, Ladles, Liquids, Manganese, Sand, Silica, Steelmaking, Binding phase, Chromite phase, Holding time, Laboratory experiments, Liquid oxides, Liquid Phase, Liquid steels, Mechanism studies
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-194695ScopusID: 2-s2.0-84983157257OAI: oai:DiVA.org:kth-194695DiVA: diva2:1048920
Conference
6th International Congress on the Science and Technology of Steelmaking, ICS 2015, 12 May 2015 through 14 May 2015
Note

QC 20161122

Available from: 2016-11-22 Created: 2016-10-31 Last updated: 2017-02-28Bibliographically approved

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CiteExportLink to record
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  • apa
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