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Process simulation of a lignite-fired circulating fluidized bed boiler integrated with a dryer and a pyrolyzer
Cai, L.1,2; Zhang, Y.1,2; Gao, S.1; Xiao, X.1; Zhang, J.1; Xu, G.1; Cui, L.2
2016
Source PublicationENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
ISSN1556-7036
Volume38Issue:2Pages:190-201
Abstract

A process model using Aspen Plus was established to simulate the performance of a lignite-fired 1,025 t/h circulating fluidized bed boiler integrated with a dryer and a pyrolyzer for improving the energy efficiency. The combustion module of the proposed model was first verified by design data and the system characteristics of the circulating fluidized bed boiler combined with the coal dryer and the pyrolyzer were then investigated. The most suitable case for the retrofit of existing 1,025 t/h CFB boilers is that 35% of the coal was dried and then pyrolyzed with the energy efficiency of 95.3% and exergy efficiency of 50.2%. The results demonstrate the lignite-fired circulating fluidized bed boiler integrated with a dryer and a pyrolyzer facilitates the system performances effectively.

KeywordAspen Plus Circulating Fluidized Bed Boiler Combustion Drying Polygeneration Pyrolysis
SubtypeArticle
Subject AreaEnergy & Fuels ; Engineering, Chemical ; Environmental Sciences ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1080/15567036.2011.631972
URL查看原文
Indexed BySCI
Language英语
WOS KeywordExergy Analysis ; Coal Pyrolysis ; Power-plant ; System ; Gasification ; Energy ; Cycle ; Gas
WOS Research AreaEnergy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS SubjectEnergy & Fuels ; Engineering, Chemical ; Environmental Sciences
Funding OrganizationInternational Science & Technology Cooperation Program of China(2013DFG60060) ; National Natural Science Foundation of China(21376250)
WOS IDWOS:000370348700005
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20678
Collection研究所(批量导入)
Corresponding AuthorGao, S.
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cai, L.,Zhang, Y.,Gao, S.,et al. Process simulation of a lignite-fired circulating fluidized bed boiler integrated with a dryer and a pyrolyzer[J]. ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS,2016,38(2):190-201.
APA Cai, L..,Zhang, Y..,Gao, S..,Xiao, X..,Zhang, J..,...&Cui, L..(2016).Process simulation of a lignite-fired circulating fluidized bed boiler integrated with a dryer and a pyrolyzer.ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS,38(2),190-201.
MLA Cai, L.,et al."Process simulation of a lignite-fired circulating fluidized bed boiler integrated with a dryer and a pyrolyzer".ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS 38.2(2016):190-201.
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