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Microwave Technology in Steel and Metal Industry, an Overview
MEFOS—The Metallurgical Research Institute.
MEFOS—The Metallurgical Research Institute, Luleå, Sweden.
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS).ORCID iD: 0000-0003-2783-7460
2007 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 47, no 4, p. 533-538Article in journal (Refereed) Published
Abstract [en]

In many metallurgical operations, effective analysis of the processes can be very difficult with available technology. This is especially true if the analysis is to be performed on-line and in a harsh environment characterized by high temperatures, dust and liquid metal. Protection of the equipment requires both rugged encapsulation as well as elaborate sampling systems and exposure of the equipment to the hazardous environment must be minimised. Often this result in an increased level of service and maintenance requirements and, in the worst case, the maintenance cost might be so high that the equipment is not installed. Microwave technology is a versatile and powerful tool with many different applications in the scientific community. It is insensitive to dust and fume and, for several years, the technology has been tested at MEFOS and evaluated for different metallurgical processes. It has been applied to slag thickness measurement and slag composition in an induction furnace, 3D imaging of the burden surface in a charging model on pilot scale as well as raceway depth measurements in a Blast Furnace. The idea of using microwave technology for gas analysis in metallurgical processes has also been explored. However, despite its many advantages, microwave technology is still not employed extensively in the steel and metal industries. Copyright © 2007 ISIJ.

Place, publisher, year, edition, pages
Tokyo: Nippon Tekko Kyokai , 2007. Vol. 47, no 4, p. 533-538
Keywords [en]
Microwave technology, Antenna, Patch antenna, Interferometry, Slag, Refractive index, Conductivity
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-1557DOI: 10.2355/isijinternational.47.533ISI: 000246045800004Scopus ID: 2-s2.0-34347231242Local ID: 2082/1937OAI: oai:DiVA.org:hh-1557DiVA, id: diva2:238775
Note

Copyright © 2007 ISIJ, ISIJ International, issn: 1347-5460

Available from: 2008-06-17 Created: 2008-06-17 Last updated: 2018-03-23Bibliographically approved

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Malmberg, DonaldNilsson, Emil

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