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Proceedings Paper

Fiber optic pyrometer and its application in hot-blast stove temperature measurement
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Paper Abstract

Introduced in this paper are a technique of fiber optic dual-wavelength pyrometer and its principle, structure and characteristics. It was successfully applied under the hostile environment in hot-blast stoves to measure high-temperature. The efforts to overcome all difficulties, such as pressure, water vapor, and probe bend caused by thermal expansion, are reported in details. The resulting device is reliable, stable and accurate, and has immunity to harmful gas corrosion. The proposed pyrometer has a long lifetime. Therefore, it can replace the conventional thermo-electric-couple for temperature measurement in a blast furnace.

Paper Details

Date Published: 8 March 2004
PDF: 8 pages
Proc. SPIE 5272, Industrial and Highway Sensors Technology, (8 March 2004); doi: 10.1117/12.510870
Show Author Affiliations
Weilai Li, Wuhan Univ. of Technology (China)
Desheng Jiang, Wuhan Univ. of Technology (China)
Weijia Zhu, Univ. of Rhode Island (United States)


Published in SPIE Proceedings Vol. 5272:
Industrial and Highway Sensors Technology
Brian Culshaw; Michael A. Marcus; John P. Dakin; Samuel David Crossley; Helmut E. Knee, Editor(s)

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