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当前位置: 首页 > 文章 > 生物质鼓泡流化床和循环流化床气化对比试验 农业机械学报 2011,42 (4) 102-105
Position: Home > Articles > Comparison of Bubbling Fluidized Bed and Circulating Fluidized Bed in Gasification of Biomass Transactions of the Chinese Society for Agricultural Machinery 2011,42 (4) 102-105

生物质鼓泡流化床和循环流化床气化对比试验

作  者：
范晓旭;贤建伟;初雷哲;杨立国
单  位：
山东省生物质气化技术重点实验室;华北电力大学能源动力与机械工程学院
关键词：
生物质;气化;鼓泡流化床;循环流化床;压力分布
摘  要：
在内径为Φ0.2m、高6m的流化床装置上,利用两种不同粒径的石英砂,分别进行了高速鼓泡流化床(BFB)和循环流化床(CFB)的冷态压力分布试验和热态气化试验。结果表明:冷态试验中,鼓泡流化床压力分布主要集中在底部的密相区,循环流化床压力分布更趋均匀。热态稳定气化阶段,循环流化床轴向温差只有40℃,气化的燃气热值、碳转化率和气化效率均高于鼓泡流化床。
译  名：
Comparison of Bubbling Fluidized Bed and Circulating Fluidized Bed in Gasification of Biomass
作  者：
Fan Xiaoxu1 Xian Jianwei2 Chu Leizhe1 Yang Liguo1(1.Key Laboratory for Biomass Gasification Technology of Shandong Province,Ji'nan 250014,China2.School of Energy and Power Engineering,North China Electric Power University,Baoding 071003,China)
关键词：
Biomass,Gasification,Bubbling fluidized bed,Circulating fluid bed,Pressure distribution
摘  要：
The results from biomass gasification in a pilot-scale(6 m tall×0.2 m internal diameter) air-blown circulating fluidized bed gasifier was tested and compared with bubbling fluidized bed gasifier.The results showed that the diameters of bed material in bubbling fluidized bed and circulating fluidized bed were different.The bubbling fluidized bed had a dense zone and bed material was homogeneous distribution in circulating fluidized bed.The temperature of the circulating fluidized bed was more uniform than bubbling fluidized bed.The carbon conversion rate,gasification efficiency and low gas heat value of circulating fluidized bed were larger than that of bubbling fluidized bed gasifier.

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