Exergy Distribution Characters Analysis of a 130t/h Biomass-Fired Boiler

Fang Yang; Chang Qing Dong; Zhi Zhong Kang; Zong Ming Zheng; Xiao Ying Hu

doi:10.4028/www.scientific.net/AMM.713-715.1356

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 713-715Exergy Distribution Characters Analysis of a...

Exergy Distribution Characters Analysis of a 130t/h Biomass-Fired Boiler

Abstract:

Currently, most of the boilers in power plant are designed by the heat balance based on first law of thermodynamics only, and it analyses the condition of using energy from the perspective of quantity of energy. However, The real energy utilization should be justified not only from the quantity but also from the quality, because the quality of energy based on second law of thermodynamics can reflect the irreversibility in processes and components. In order to revealing the real energy losses, we must establish exergy analysis model of 130t/h Biomass-Fired Boiler. This article calculates the exergy losses of all kinds of boiler surface and the overall exergy efficiency of boiler, together with exergy distribution characters analysis result of 130t/h Biomass-Fired Boiler. The results obtained open out the greatest exergy loss and the place to generate these losses of boiler, and provide scientific gist for improving utilization of boiler energy.

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Periodical:

Applied Mechanics and Materials (Volumes 713-715)

Pages:

1356-1359

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.713-715.1356

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Online since:

January 2015

Authors:

Fang Yang, Chang Qing Dong, Zhi Zhong Kang, Zong Ming Zheng, Xiao Ying Hu*

Keywords:

Biomass-Fired Boiler, Exergy Analysis, Exergy Distribution Characters, Exergy Efficiency, Exergy Losses

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