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Efficient computation of gas flow in blast furnace in 3-D
Global R and D, ArcelorMittal, Kolkatta.
Department of Metallurgy and Materials Engineering (MTM), Katholieke Universiteit, Leuven.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.ORCID-id: 0000-0003-0278-1333
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, Bombay.
2012 (Engelska)Ingår i: 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. 1, s. 722-732Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Blast furnace continues to occupy prominent place among iron making technologies as it accounts for more than 90% of the hot metal produced in the world. In India, as a part of initiative from Ministry of Steel, efforts are being made to develop offline as well as online models with an aim to improve blast furnace performance. As a part of this effort, offline comprehensive models simulating the internal state of an operating blast furnace are being developed. Such comprehensive models involve systematic integration of various sub-models for gas flow, solid flow, reaction kinetics, enthalpy balance etc. Unlike in many other systems, these sub-processes are highly interlinked in blast furnace and hence call for large number of iteration among the sub-models which ultimately results in significant computation time. Our efforts in integration of these sub-models have indicated that the gas flow is one of the important bottle necks in achieving faster computation. This has led to a development of new and efficient computation scheme to simulate the gas flow in 2-D [1]. This new scheme provided efficient way of handling complex burden profile in a blast furnace. This paper presents the extension of this 2-D gas flow model to 3-D. Further, the 3-D model has been used to investigate the asymmetry in gas flow which can arise from blanking the tuyeres, asymmetric fusion or cohesive zone or formation scabs or scaffolds in the furnace behavior

Ort, förlag, år, upplaga, sidor
2012. Vol. 1, s. 722-732
Nationell ämneskategori
Metallurgi och metalliska material
Forskningsämne
Processmetallurgi
Identifikatorer
URN: urn:nbn:se:ltu:diva-39192Scopus ID: 84883714223Lokalt ID: dd63d521-1b13-4a1b-a72a-bf16fa9c2178ISBN: 978-1-62748-021-5 (tryckt)OAI: oai:DiVA.org:ltu-39192DiVA, id: diva2:1012701
Konferens
International Congress on the Science and Technology of Ironmaking : 14/10/2012 - 18/10/2012
Anmärkning
Godkänd; 2012; 20120608 (andbra)Tillgänglig från: 2016-10-03 Skapad: 2016-10-03 Senast uppdaterad: 2018-05-28Bibliografiskt granskad

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