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题名:
Study on biomass circulation and gasification performance in a clapboard-type internal circulating fluidized bed gasifier
作者: Zhou, Zhao-qiu; Ma, Long-long; Yin, Xiu-li; Wu, Chuang-zhi; Huang, Li-cheng; Wang, Chu
刊名: BIOTECHNOLOGY ADVANCES
出版日期: 2009-09-01
卷号: 27, 期号:5, 页码:612-615
关键词: Biomass ; Gasification ; Clapboard-type internal circulating fluidized bed gasifier
DOI: 10.1016/j.biotechadv.2009.04.016
通讯作者: wucz@ms.giec.ac.cn
文章类型: Article
中文摘要: We investigated the solid particle flow characteristics and biomass gasification in a clapboard-type internal circulating fluidized bed reactor. The effect of fluidization velocity on particle circulation rate and pressure distribution in the bed showed that fluidization velocities in the high and low velocity zones were the main operational parameters controlling particle circulation. The maximum internal circulation rates in the low velocity zone came almost within the range of velocities in the high velocity zone, when uH/umf = 2.2-2.4 for rice husk and uH/umf = 3.5-4.5 for quartz sand. In the gasification experiment, the air equvalence ratio (ER) was the main controlling parameter. Rice husk gasification gas had a maximum heating value of around 5000 kJ/m3 when ER = 0.22-0.26, and sawdust gasification gas reached around 6000-6500 kJ/m3 when ER = 0.175-0.24. The gasification efficiency of rice husk reached a maximum of 77% at ER = 0.28, while the gasification efficiency of sawdust reached a maximum of 81% at ER = 0.25.
英文摘要: We investigated the solid particle flow characteristics and biomass gasification in a clapboard-type internal circulating fluidized bed reactor. The effect of fluidization velocity on particle circulation rate and pressure distribution in the bed showed that fluidization velocities in the high and low velocity zones were the main operational parameters controlling particle circulation. The maximum internal circulation rates in the low velocity zone came almost within the range of velocities in the high velocity zone, when u(H)/u(mf) = 2.2-2.4 for rice husk and u(H)/u(mf) = 3.5-4.5 for quartz sand. In the gasification experiment. the air equvalence ratio (ER) was the main controlling parameter. Rice husk gasification gas had a maximum heating value of around 5000 kJ/m(3) when ER = 0.22-0.26, and sawdust gasification gas reached around 6000-6500 kJ/m(3) when ER = 0.175-0.24. The gasification efficiency of rice husk reached a maximum of 77% at ER = 0.28, while the gasification efficiency of sawdust reached a maximum of 81 % at ER = 0.25. (C) 2009 Elsevier Inc. All rights reserved.
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology
研究领域[WOS]: Biotechnology & Applied Microbiology
关键词[WOS]: DRAFT TUBE ; SOLIDS
收录类别: SCI ; ISTP
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000267741300014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.giec.ac.cn/handle/344007/3330
Appears in Collections:中国科学院广州能源研究所_期刊论文

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作者单位: Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China

Recommended Citation:
Zhou, Zhao-qiu,Ma, Long-long,Yin, Xiu-li,et al. Study on biomass circulation and gasification performance in a clapboard-type internal circulating fluidized bed gasifier[J]. BIOTECHNOLOGY ADVANCES,2009,27(5):612-615.
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