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Use of an optimisation model for the burden calculation for the blast furnace process
KTH, Tidigare Institutioner, Materialvetenskap.
2004 (Engelska)Ingår i: Scandinavian journal of metallurgy, ISSN 0371-0459, E-ISSN 1600-0692, Vol. 33, nr 3, s. 172-182Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The aim of a burden calculation in the blast furnace process is to compute the amounts of burden materials to be charged for obtaining desired hot-metal and slag composition. Burden calculations are normally based on trial-and-error instead of optimisation. In this study, the use of an optimisation model for a typical blast furnace operation is presented. The yield factors of some components, such as Mn, Si, S, P and V, used in the model have been determined. The more common distribution coefficients have also been studied. Both the yield factor and distribution coefficient values were generally good and showed stable behaviour for repeated periods under similar operational conditions. In this study, the model was found to be an excellent tool for determining burden material amounts and hot-metal and slag compositions for a blast furnace under steady and normal operation conditions. Using an optimising burden calculation model is time efficient, because it demands only 1 calculation procedure instead of a couple calculations as in the case with a trial-and-error method.

Ort, förlag, år, upplaga, sidor
2004. Vol. 33, nr 3, s. 172-182
Nyckelord [en]
blast furnace, burden calculation, distribution coefficient, iron making, manganese, material balance, optimisation, phosphorus, silica, sulphur, vanadium, yield, hot metal, slag
Nationell ämneskategori
Metallurgi och metalliska material
Identifikatorer
URN: urn:nbn:se:kth:diva-23468DOI: 10.1111/j.1600-0692.2004.00688.xISI: 000221767200004Scopus ID: 2-s2.0-2942577708OAI: oai:DiVA.org:kth-23468DiVA, id: diva2:342166
Anmärkning
QC 20100525 QC 20111027Tillgänglig från: 2010-08-10 Skapad: 2010-08-10 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Av författaren/redaktören
Andersson, Margareta A.T.
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Materialvetenskap
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Scandinavian journal of metallurgy
Metallurgi och metalliska material

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