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Innovative measurement technique for raceway monitoring
Loussavaara-Kiirunavaara AB (LKAB).
Swerea Mefos AB.
RISE, Swerea, Swerea MEFOS.
RISE, Swerea, Swerea MEFOS.
Show others and affiliations
2012 (English)In: 6th Int. Congress on the Science and Technology of Ironmaking 2012, ICSTI 2012 - Including Proceedings from the 42nd Ironmaking and Raw Materials Seminar, and the 13th Brazilian Symp. on Iron Ore, 2012, Vol. 3, 1732-1743 p.Conference paper, Published paper (Refereed)
Abstract [en]

When raceway conditions are changed, e.g blast parameters or selection of injection material, additional measurements and monitoring of raceway can support evaluation of the effects on raceway conditions. Two types of measurement methods have been tested during injection trials with BF flue dust at the SSAB EMEA BF in Oxelösund and the LKAB Experimental Blast Furnace (EBF®). The raceway depth was measured using microwave technique and a camera was installed for viewing the raceway when the peep hole was occupied by the depth measurements equipment. Temperature estimation was made on thermal radiation guided via an optical fibre from the raceway to a spectrometer. Evaluation methods were developed based on Planck radiation law. The measurement techniques and their use for monitoring of raceway conditions are discussed.

Place, publisher, year, edition, pages
2012. Vol. 3, 1732-1743 p.
Keyword [en]
Microwave techniques, Optical fibres, Temperature measurements
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13466Scopus ID: 2-s2.0-84883730813ISBN: 9781627480215 (print)OAI: oai:DiVA.org:ri-13466DiVA: diva2:973675
Conference
6th International Congress on the Science and Technology of Ironmaking 2012, ICSTI 2012
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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Swerea MEFOS
Materials Engineering

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