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In-Situ Monitoring of Particle Velocities and Solids Concentration Variations in wet Low-Intensity Magnetic Separators
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.
2015 (English)In: 2015 IEEE International Ultrasonics Symposium, IUS 2015: Taipei, 21-24 Oct. 2015, Piscataway, NJ: IEEE Communications Society, 2015, 7329339Conference paper (Refereed)
Abstract [en]

In previous work, we have shown how an ultrasound pulse-echo setup can be used to simultaneously measure particle velocity profiles and local solids concentration variations in solid/liquid particle suspensions. In this paper, we demonstrate a real-world case where the system is installed in a wet low-intensity magnetic separator, a process in which magnetic material is separated from gangue. The method was evaluated at LKAB's R&D facilities in Malmberget, Sweden, on one of their pilot scale separators. The results show that it is possible to detect changes in the flow velocity patterns and the local solids concentration, as the operational conditions of the separator are varied.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2015. 7329339
Series
, Proceedings - IEEE Ultrasonics Symposium, ISSN 1948-5719
Research subject
Signal Processing; Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-34920DOI: 10.1109/ULTSYM.2015.0274Local ID: 93acc895-236d-4d8e-bbca-29f37621598aISBN: 978-1-4799-8182-3OAI: oai:DiVA.org:ltu-34920DiVA: diva2:1008172
Conference
IEEE International Ultrasonics Symposium : 21/10/2015 - 24/10/2015
Note
Validerad; 2016; Nivå 1; 20151207 (johanc)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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Carlson, JohanStener, JanSand, AndersPålsson, Bertil
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