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Jetting pre-oxidation fluidized bed gasification process for caking coal: Fundamentals and pilot test
Wang, Fang1,2; Zeng, Xi1; Sun, Yanlin1; Zhang, Juwei1; Zhao, Zhigang1; Wang, Yonggang2; Xu, Guangwen1
Source PublicationAPPLIED ENERGY
AbstractA new jetting pre-oxidation fluidized bed gasification (JPFBG) process, mainly consisting of jetting pre-oxidation zone and char gasification zone, has been proposed and developed by Institute of Process Engineering (IPE), Chinese Academy of Sciences (CAS) to utilize cohesive washing middling coal effectively for fuel gas production and thus replacing the valuable coke oven gas. This article is devoted to summarizing the results obtained in the fundamental studies and a pilot plant. The fundamental studies conducted on an externally heated laboratory JPFB gasification setup demonstrated that the appropriate operating conditions for the pre-oxidation zone and the char gasification zone were at temperature of 950 degrees C with an excessive air ratio (ER) of about 0.13, and at temperature of 1000 degrees C with an ER of 0.17 and a mass ratio of steam to coal of 0.09, respectively. Based on these condition data, an autothermal pilot system with a treating capacity of 150 kg/h for strong cohesive coal was built and tested to demonstrate the JPFB gasification process. Keeping the temperatures of the pre-oxidization zone and char gasification zone at about 950 degrees C and 1000 degrees C respectively, the higher heating value of the produced fuel gas was close to 4000 kJ/N m(3). The obtained typical results from the continuously steady operations of the pilot plant fully verified the technical feasibility and clarified the technical features of the tested new JPFB gasification process. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordGasification Coking Coal Fluidized Bed Pre-oxidation Fuel Gas
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNatural Science Foundation of China(21306209) ; National Basic Research Program of China(2014CB744303) ; Strategic Priority Research Program of CAS on Clean and High-efficiency Utilization of Low-rank Coal(XDA07010100) ; Major Program of National Natural Science Foundation of China(U1302273)
WOS IDWOS:000364890700009
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Wang, Fang,Zeng, Xi,Sun, Yanlin,et al. Jetting pre-oxidation fluidized bed gasification process for caking coal: Fundamentals and pilot test[J]. APPLIED ENERGY,2015,160(DEC):80-87.
APA Wang, Fang.,Zeng, Xi.,Sun, Yanlin.,Zhang, Juwei.,Zhao, Zhigang.,...&Xu, Guangwen.(2015).Jetting pre-oxidation fluidized bed gasification process for caking coal: Fundamentals and pilot test.APPLIED ENERGY,160(DEC),80-87.
MLA Wang, Fang,et al."Jetting pre-oxidation fluidized bed gasification process for caking coal: Fundamentals and pilot test".APPLIED ENERGY 160.DEC(2015):80-87.
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