The pulverized coal injection (PCI) is widely utilized in the iron-making blast furnaces for its economic and environmental advantages. However, due its complexity, flow dynamics and chemical kinetics of PCI inside the raceway has not been well understood. Combustions of PCI and coke inside the raceway can be influenced by tuyere operation parameters. In this paper, a comprehensive three dimensional (3-D) multiphase flow computational fluid dynamics (CFD) model was utilized to investigate the PCI and coke combustion in the lower part of a blast furnace. Systematic parametric studies were conducted to analyze the effects of the natural gas injection, coal injection, PCI rate, and oxygen enrichment on the combustion performance, which include coal burnt-out rate, coke consumption rate, raceway shape, raceway temperature and etc.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
Parametric Studies on PCI Performances
Dezhi Zheng
,
Dezhi Zheng
Purdue University Calumet, Hammond, IN
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Chenn Q. Zhou
,
Chenn Q. Zhou
Purdue University Calumet, Hammond, IN
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John D’Alessio
,
John D’Alessio
United States Steel Canada, Hamilton, ON, Canada
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Kyle J. Ferron
,
Kyle J. Ferron
United States Steel Canada, Hamilton, ON, Canada
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Yongfu Zhao
Yongfu Zhao
United States Steel, Munhall, PA
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Dong Fu
Purdue University Calumet, Hammond, IN
Dezhi Zheng
Purdue University Calumet, Hammond, IN
Chenn Q. Zhou
Purdue University Calumet, Hammond, IN
John D’Alessio
United States Steel Canada, Hamilton, ON, Canada
Kyle J. Ferron
United States Steel Canada, Hamilton, ON, Canada
Yongfu Zhao
United States Steel, Munhall, PA
Paper No:
AJTEC2011-44608, T20037; 10 pages
Published Online:
March 1, 2011
Citation
Fu, D, Zheng, D, Zhou, CQ, D’Alessio, J, Ferron, KJ, & Zhao, Y. "Parametric Studies on PCI Performances." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T20037. ASME. https://doi.org/10.1115/AJTEC2011-44608
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