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Title: Numerical simulation of off-gas formation during top-blown oxygen converter steelmaking
Author: Li S(李森); Wei XL(魏小林); Yu LX(余立新)
Source: Fuel
Issued Date: 2011
Volume: 90, Issue:4, Pages:1350-1360
Abstract: In 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.
Keyword: Numerical Simulation ; Converter Off-Gas ; Concentration ; Flowrate ; Sensible Heat Flux ; Recovery ; Steel
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Wei, XL, Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China
Correspondent Email: lisen@imech.ac.cn; xlwei@imech.ac.cn
DOI: 10.1016/j.fuel.2011.01.022
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Energy & Fuels ; Engineering, Chemical
WOS Subject Extended: Energy & Fuels ; Engineering
WOS Keyword Plus: RECOVERY ; STEEL
WOS ID: WOS:000287652300005
ISSN: 0016-2361
Rank: [Li, Sen; Wei, Xiaolin; Yu, Lixin] Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
Subject: Energy & Fuels; Engineering
Department: LHD高效洁净燃烧(CPCR)
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/44865
Appears in Collections:等离子体与燃烧中心(2009-2011)_期刊论文

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Recommended Citation:
李森;魏小林;余立新.Numerical simulation of off-gas formation during top-blown oxygen converter steelmaking,FUEL,2011,90(4):1350-1360
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