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Erschienen in:
Advances in Two-Fluid LES of Two-Phase Combustion Kapitel lesen Erstes Kapitel lesen

2022 | OriginalPaper | Buchkapitel

57. Experimental Study on Combustion of Pulverized Char Preheated by a Circulating Fluidized Bed

verfasst von : F. Pan, J. G. Zhu, J. Z. Liu, Y. Zhang, S. J. Zhu

Erschienen in: Clean Coal and Sustainable Energy

Verlag: Springer Singapore

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Abstract

The preheating combustion of pulverized char was conducted in a 30 kW test platform, which consists of a circulating fluidized bed (CFB) and a down-fired combustor (DFC). Properties of high-temperature coal gas and preheated char particles were studied under higher air equivalence ratio in circulating fluidized bed, and the fuel gas compositions and temperature distribution along the down-fired combustor were analyzed. It was also found that parameter optimization helped to reduce the NOx emission, the NOx emission was reduced to 109.9 mg/m3(@6%O2) and the combustion efficiency was improved to 97.73% by changing the tertiary gas distribution, which achieved clean and efficient combustion of ultra-low volatile fuel.

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Metadaten
Titel
Experimental Study on Combustion of Pulverized Char Preheated by a Circulating Fluidized Bed
verfasst von
F. Pan
J. G. Zhu
J. Z. Liu
Y. Zhang
S. J. Zhu
Copyright-Jahr
2022
Verlag
Springer Singapore
Buch
Clean Coal and Sustainable Energy

Print ISBN: 978-981-16-1656-3

Electronic ISBN: 978-981-16-1657-0

Copyright-Jahr: 2022

DOI
https://doi.org/10.1007/978-981-16-1657-0_57