The wear of a blast furnace hearth and the hearth inner profile are highly dependent on the liquid iron flow pattern, refractory temperatures, and temperature distributions at the hot face. In this paper, the detailed methodology is presented along with the examples of hearth inner profile predictions. A new methodology along with new algorithms is proposed to calculate the hearth erosion and its inner profile. The methodology is to estimate the hearth primary inner profile based on 1D heat transfer and to compute the hot-face temperature using the 3D CFD hearth model according to the 1D preestimated and reestimated profiles. After the hot-face temperatures are converged, the hot-face positions are refined by a new algorithm, which is based on the difference between the calculated and measured results, for the 3D computational fluid dynamics (CFD) hearth model further computations, until the calculated temperatures well agree with those measured by the thermocouples.
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e-mail: qzhou@calumet.purdue.edu
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December 2007
This article was originally published in
Journal of Heat Transfer
Technical Briefs
A Methodology for Blast Furnace Hearth Inner Profile Analysis
Yu Zhang,
Yu Zhang
Department of Mechanical Engineering,
Purdue University Calumet
, Hammond, IN 46321
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Rohit Deshpande,
Rohit Deshpande
Department of Mechanical Engineering,
Purdue University Calumet
, Hammond, IN 46321
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D. Huang,
D. Huang
USA R&D Center,
Mittal Steel Company
, East Chicago, IN 46312
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Pinakin Chaubal,
Pinakin Chaubal
USA R&D Center,
Mittal Steel Company
, East Chicago, IN 46312
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Chenn Q. Zhou
Chenn Q. Zhou
Department of Mechanical Engineering,
e-mail: qzhou@calumet.purdue.edu
Purdue University Calumet
, Hammond, IN 46321
Search for other works by this author on:
Yu Zhang
Department of Mechanical Engineering,
Purdue University Calumet
, Hammond, IN 46321
Rohit Deshpande
Department of Mechanical Engineering,
Purdue University Calumet
, Hammond, IN 46321
D. Huang
USA R&D Center,
Mittal Steel Company
, East Chicago, IN 46312
Pinakin Chaubal
USA R&D Center,
Mittal Steel Company
, East Chicago, IN 46312
Chenn Q. Zhou
Department of Mechanical Engineering,
Purdue University Calumet
, Hammond, IN 46321e-mail: qzhou@calumet.purdue.edu
J. Heat Transfer. Dec 2007, 129(12): 1729-1731 (3 pages)
Published Online: April 3, 2007
Article history
Received:
November 10, 2006
Revised:
April 3, 2007
Citation
Zhang, Y., Deshpande, R., Huang, D., Chaubal, P., and Zhou, C. Q. (April 3, 2007). "A Methodology for Blast Furnace Hearth Inner Profile Analysis." ASME. J. Heat Transfer. December 2007; 129(12): 1729–1731. https://doi.org/10.1115/1.2768100
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