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Estimation of the molten state of scrap in an electric arc furnace by vibration measurements
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0003-3740-3519
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: 0000-0003-1919-9964
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2015 (English)In: Proceedings of the 6th International Congress on the Science and Technology of Steelmaking, ICS 2015, Chinese Society for Metals , 2015, 279-282 p.Conference paper (Refereed)
Abstract [en]

Knowing molten state of the scrap in the electric arc furnace is very important for process control. Because of the harsh environment of the furnace new measurement techniques must be developed to measure the molten state. This paper looks at vibrations emitted from the furnace with the use of accelerometers, looking for correlations with the molten state. It was found that 87% of the heats have increasing vibrations with the respect to time. Also, 47% of the heats have a coefficient of determination (R2) of more than 0.5 between vibrations and time. Further evaluation must be conducted to see if this can be related to the scrap content in the furnace.

Place, publisher, year, edition, pages
Chinese Society for Metals , 2015. 279-282 p.
Keyword [en]
Electric arc furnace, Molten state, Process control, Vibrations, Electric arcs, Electric furnace process, Electric furnaces, Intelligent control, Scrap metal reprocessing, Steelmaking, Steelmaking furnaces, A-coefficient, Harsh environment, Measurement techniques, Furnaces
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-194702ScopusID: 2-s2.0-84983155188OAI: oai:DiVA.org:kth-194702DiVA: diva2:1048762
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: 2016-11-22Bibliographically approved

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Schmidt, ChristofferAndersson, Nils Å. I.Tilliander, AndersJönsson, Pär
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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