Analysis on the Pressure Fluctuation of a 660MW Supercritical Boiler

Ming Li Ren; Ming Feng Xu; Chun Yu Wang; You Xin Li

doi:10.4028/www.scientific.net/AMR.1023.110

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1023Analysis on the Pressure Fluctuation of a 660MW...

Analysis on the Pressure Fluctuation of a 660MW Supercritical Boiler

Abstract:

This paper presents the analysis on the periodic fluctuation of pressure in flue and air system of a 660MW supercritical boiler, firing high sulfur coal. The analysis shows that the fluctuation is resulted from a blockage in its air pre-heater, especially in winter. Just as the temperature of flue gas lower than its acid dew point, corrosion occurs and induces the blockage furthermore. This paper exhibits a typical case in boiler firing high sulfur coal.

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Periodical:

Advanced Materials Research (Volume 1023)

Pages:

110-115

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1023.110

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Online since:

August 2014

Authors:

Ming Li Ren*, Ming Feng Xu, Chun Yu Wang, You Xin Li

Keywords:

Air Pre-Heater, Blockage, Boiler, Corrosion, Pressure Fluctuation

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* - Corresponding Author

References

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[3] Yang Tie, Liu Dafeng, Non-typical combustion problems caused by blockage in air preheater and solutions[J]. Boiler Manufacturing, 2009(1).

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