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Characteristics of iron ore pellets and their influence on dust generation due to wear
KTH.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2015 (English)In: Proceedings of the 6th International Congress on the Science and Technology of Steelmaking, ICS 2015, Chinese Society for Metals , 2015, p. 966-969Conference paper, Published paper (Refereed)
Abstract [en]

In the blast furnace process flue dust is generated, which ends up in the off-gases. This results in a loss of valuable raw materials and an increased energy need per produced ton of hot metal. The flue dust also have adverse effects on the environment. Thus, this study is focused on the investigation of the mechanical wear of iron ore pellets. The influence of pellet characteristics, such as size, weight, density and hardness, on the wear mechanism has been investigated. It has been observed that pellets with larger size show a higher wear rate as compared to small sized pellets. Moreover, the dust generated during wear experiments has been analyzed to obtain particle size distributions.

Place, publisher, year, edition, pages
Chinese Society for Metals , 2015. p. 966-969
Keywords [en]
Dust, Particle size, Pellets, Wear, Blast furnaces, Fly ash, Iron ores, Ore pellets, Pelletizing, Steelmaking, Wear of materials, Adverse effect, Blast furnace process, Dust generation, Energy needs, Hot metal, Off-gases, Wear mechanisms, Wear rates, Iron ore pellets
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-194655Scopus ID: 2-s2.0-84983146842OAI: oai:DiVA.org:kth-194655DiVA, id: diva2:1050464
Conference
6th International Congress on the Science and Technology of Steelmaking, ICS 2015, 12 May 2015 through 14 May 2015
Note

QC 20161129

Available from: 2016-11-29 Created: 2016-10-31 Last updated: 2016-11-29Bibliographically approved

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Citation style
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