Local heat transfer properties in co- and counter-current G-L-S magnetically stabilized fluidized beds

作     者：Jinli Zhang Ming Zhang Wei Li Xiaofang Li Xiangkun Meng Baoning Zong 

作者机构：School of Chemical Engineering Technology Tianjin University Tianjin 300072 China Research Institute of Petroleum Processing SINOPEC Beijing 100083 China 

出 版 物：《Particuology》 (颗粒学报（英文版）)

年 卷 期：2011年第9卷第1期

页      面：44-50页

核心收录：

学科分类：080706[工学-化工过程机械] 080503[工学-材料加工工程] 08[工学] 0807[工学-动力工程及工程热物理] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：The authors are grateful for the financial support from 973 Program (2006CB202500) the NSFC (21076144) 

主　　题：Magnetically stabilized fluidized bed Heat transfer Gas–liquid–solid 

摘      要：Heat transfer coefficients were measured by immersed probes in co- and counter-current G-L-S magnetically stabilized fluidized beds （MSFBs） using air, water and nickel-alloy particles as the gas, liquid and solid phases. Influences of major factors, including magnetic field intensity, superficial gas and liquid velocities, liquid viscosity and surface tension, on heat-transfer properties were studied experimentally, indicating that both co- and counter-current G-L-S MSFB can provide relatively uniform radial distribution of heat transfer coefficients under appropriate operation conditions, thus controlling operation temperature for highly exothermic multi-phase reaction systems. Two correlations were provided to estimate accurately heat transfer properties in both co- and counter-current G-L-S MSFB systems, with an average error of less than 10%.