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Analysis of Flow and Thermal Stress in a Blast Furnace Blowpipe

[+] Author Affiliations
Yuhan Cui, Justina Lee, Nicholas J. Walla, Armin K. Silaen, Chenn Q. Zhou

Purdue University Northwest, Hammond, IN

Dale D. Goodloe

ArcelorMittal Iron Producing, East Chicago, IN

Paper No. IMECE2018-88468, pp. V08AT10A008; 8 pages
doi:10.1115/IMECE2018-88468
From:
  • ASME 2018 International Mechanical Engineering Congress and Exposition
  • Volume 8A: Heat Transfer and Thermal Engineering
  • Pittsburgh, Pennsylvania, USA, November 9–15, 2018
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5211-8
  • Copyright © 2018 by ASME

abstract

The blowpipe is used to transmit hot blast air in blast furnace operation, which is continually manipulated and part of a high-temperature and high-pressure environment. In order to optimize blowpipe functionality and reliability, computational fluid dynamics (CFD) was applied to simulate the flow pattern of hot blast air, to generate details of input conditions for mechanical simulation of thermal stress, and to help identify areas of failure corresponding to high stresses and plastic strain. In this investigation, parametric studies were conducted to study the effects of thermal paper thickness, thermal paper length, and refractory thickness on the thermal and stress distributions. The results of this investigation can offer useful information for new blowpipe designs with reduced failure and better reliability.

Copyright © 2018 by ASME

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