Thermal Stress of Blast Furnace Hearth Linings under Erosion State

Liang Yu Chen; Yu Li; Jian Hua Gui

doi:10.4028/www.scientific.net/AMM.16-19.1101

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 16-19Thermal Stress of Blast Furnace Hearth Linings...

Thermal Stress of Blast Furnace Hearth Linings under Erosion State

Abstract:

The structure of cooling stave was simplified with equivalent convective heat transfer coefficient, and the thermal stress axisymmetric calculation model of blast furnace hearth linings under erosion state was established. The thermal stresses of familiar erosion states were analyzed. The thermal stress concentration of erosion part is an importance cause of erosion development. ‘Elephant-foot’ erosion seldom develops to ‘boiler-bottom’ erosion. ‘Boiler-bottom’ erosion is a ideal long life erosion state. When the erosion stabilizes, smaller cooling intensity is favorable to linings stabilization.

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Periodical:

Applied Mechanics and Materials (Volumes 16-19)

Pages:

1101-1105

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.16-19.1101

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Online since:

October 2009

Authors:

Liang Yu Chen, Yu Li, Jian Hua Gui

Keywords:

Blast Furnace Hearth, Equivalent Convective Heat Transfer Coefficient, Erosion, Thermal Stress

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