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Numerical simulation of off-gas formation during top-blown oxygen converter steelmaking
Li S(李森); Wei XL(魏小林); Yu LX(余立新); Wei, XL, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China
Source PublicationFuel
2011
Volume90Issue:4Pages:1350-1360
ISSN0016-2361
AbstractIn top-blown oxygen converter steelmaking process, a large amount of high-temperature off-gas is produced, and the off-gas is a precious valuable fuel containing high concentration of carbon monoxide (CO). Numerical model is developed for top-blown oxygen converter off-gas formation, the off-gas formation is simulated using the developed model, and the influences of the operating model of converter on the characteristics of off-gas (concentrations, temperature, flowrate and sensible heat flux) are investigated. The simulated results indicate that CO concentration varies gently, CO concentration can reach about 80% during 10-80% blowing oxygen time, the change trend of CO(2) concentration is contrary to that of CO concentration during 0-90% blowing oxygen time, and the dramatic changes of oxygen lance height result in significant fluctuations of off-gas flowrate. The operation model of oxygen-blowing pressure significantly affects off-gas sensible heat flux, and the sensible heat flux is high during 40-80% blowing oxygen time. (C) 2011 Elsevier Ltd All rights reserved.
KeywordNumerical Simulation Converter Off-gas Concentration Flowrate Sensible Heat Flux Recovery Steel
Subject AreaEnergy & Fuels ; Engineering
DOI10.1016/j.fuel.2011.01.022
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000287652300005
WOS KeywordRECOVERY ; STEEL
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationFinancial supports by National Natural Science Foundation of China (No. 50976123, No. 50976122) and the Knowledge Innovation Program of the Chinese Academy of Sciences (No. KGCX2-YW-321).
DepartmentLHD高效洁净燃烧(CPCR)
Classification一类
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44865
Collection等离子体与燃烧中心(2009-2011)
Corresponding AuthorWei, XL, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li S,Wei XL,Yu LX,et al. Numerical simulation of off-gas formation during top-blown oxygen converter steelmaking[J]. Fuel,2011,90(4):1350-1360.
APA 李森,魏小林,余立新,&Wei, XL, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.(2011).Numerical simulation of off-gas formation during top-blown oxygen converter steelmaking.Fuel,90(4),1350-1360.
MLA 李森,et al."Numerical simulation of off-gas formation during top-blown oxygen converter steelmaking".Fuel 90.4(2011):1350-1360.
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