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Physical-modeling study of fluid flow and gas penetration in a side-blown AOD converter
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.ORCID iD: 0000-0003-1919-9964
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Applied Process Metallurgy.
2006 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 46, no 4, p. 523-529Article in journal (Refereed) Published
Abstract [en]

The main fluid-flow pattern that results in a converter with side gas injection was studied using physical modeling. Having roughly the same viscosity as liquid steel, water was used in the experiments. The velocity of the water was determined for different positions in the vessel symmetry plane by laser Doppler velocimetry. Experiments were performed using combinations of three different bath heights and four different gas-flow rates. The results showed penetration of the gas plume into the steel bath both at the tuyere and bath level to increase with an increased gas-flow rate. Also, the penetration depth of the gas both at the tuyere and bath surface level were more affected by an increased gas-flow rate than an increased bath height. Finally, the overall fluid-flow pattern in the system was found to change both with an increased bath height and an increased gas-flow rate.

Place, publisher, year, edition, pages
2006. Vol. 46, no 4, p. 523-529
Keywords [en]
fluid flow, converter, injection, physical modeling, gas plume, injection, steelmaking, metal, rates, bath, jet
Identifiers
URN: urn:nbn:se:kth:diva-15740ISI: 000238231000008Scopus ID: 2-s2.0-33745043708OAI: oai:DiVA.org:kth-15740DiVA, id: diva2:333782
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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