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Research and Accuracy Analysis on Engineering Quantity Calculation of a Projected Building by BIM Software Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Energy, Economic and Environmental Analysis of Flue Gas Heat Recovery for Coal-Fired Heat-Only Boilers

Authors : Yang Han, Haichao Wang, Lin Duanmu, Xiangli Li, Illka Haavisto

Published in: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)

Publisher: Springer Singapore

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Abstract

District heating in China is growing very fast, but the heat production is still and will be mainly based on coal in the near future. Therefore, it is necessary to improve the efficiency of coal-fired heat production; one important way for this is to recover the waste heat in the flue gas. This paper analyzes the influencing factors for flue gas heat recovery and proposes the use of a flue gas scrubber to recover the flue gas in a coal-fired heat-only boiler after desulfurizer. We apply this technology to a heat-only boiler in Dalian city and discuss the feasibility from the perspectives of energy, economy and environmental aspects. The results show that the maximum heat recovery rate is about 7% if the flue gas can be cooled down to 39 ℃, and the payback time of the scrubber system is about 4 years.

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previous chapter A Study of the Impact of Interior Envelope Structure on Cold and Hot Load in Yangtze River Basin of China
next chapter Performance of Repeated Cross Validation for Machine Learning Models in Building Energy Analysis
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Metadata
Title
Energy, Economic and Environmental Analysis of Flue Gas Heat Recovery for Coal-Fired Heat-Only Boilers
Authors
Yang Han
Haichao Wang
Lin Duanmu
Xiangli Li
Illka Haavisto
Copyright Year
2020
Publisher
Springer Singapore
Book
Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)

Print ISBN: 978-981-13-9527-7

Electronic ISBN: 978-981-13-9528-4

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-981-13-9528-4_52