Removal of dust from flue gas in magnetically stabilized fluidized bed  

作　　者：Yinghui Wang Keting Gui Mingheng Shi Changfeng Li 

机构地区：[1]School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China [2]Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education,Southeast University, Nanjing 210096, Jiangsu, China

出　　处：《Particuology》2008年第2期116-119,共4页颗粒学报（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China （Grant Nos. 50576013 and 10672069）

摘　　要：A magnetically stabilized fluidized bed （MSFB,Ф 500mm×2100mm） was designed to study dust removal from flue gas. Based on the mechanism of dust removal in a fixed bed, the effects on collection efficiency of magnetic field intensity, ratio of flue gas velocity to minimum fluidization velocity, bed height, and particle average diameter, were investigated. Then feasible methods for MSFB to better remove dust were proposed. Over 95 % of dust removal with MSFB can be achieved, when stable fluidization is maintained and when magnetic particles are frequently renewed.A magnetically stabilized fluidized bed （MSFB,Ф 500mm×2100mm） was designed to study dust removal from flue gas. Based on the mechanism of dust removal in a fixed bed, the effects on collection efficiency of magnetic field intensity, ratio of flue gas velocity to minimum fluidization velocity, bed height, and particle average diameter, were investigated. Then feasible methods for MSFB to better remove dust were proposed. Over 95 % of dust removal with MSFB can be achieved, when stable fluidization is maintained and when magnetic particles are frequently renewed.

关 键 词：Magnetically stabilized fluidized bed （MSFB） Stable fluidization Dust removal Magnetic particles renewal 

分 类 号：X701.2[环境科学与工程—环境工程]