文献类型：期刊文献

英文题名：Investigation of the effect of a dividing wall in a moving bed

作者：Chen, Yunhua[1]; Zhu, Xuedong[1]; Wu, Yongqiang[1]; Zhu, Zibin[1]

机构：[1]E China Univ Sci & Technol, Minist Educ, Engn Res Ctr Large Scale Reactor Engn & Technol, Shanghai 200237, Peoples R China

年份：2007

卷号：30

期号：8

起止页码：1028

外文期刊名：CHEMICAL ENGINEERING & TECHNOLOGY

收录：;EI(收录号：20073410773098);WOS:【SCI-EXPANDED(收录号:WOS:000248710900008)】；

语种：英文

外文关键词：cavitation; moving beds; particle velocity; pinning

摘要：Moving beds are widely used in many scientific fields due to their advantages, but their operation is affected by the phenomena of cavity and pinning, which should be avoided. In this article, a perforated dividing wall was located in a two-dimensional rectangular moving bed with gas cross-flow and the effect of the wall on some properties of the moving bed was investigated. Experimental results show that the location of the perforated dividing wall can improve the upper limit of the gas velocity of the moving bed since it prohibits the existence of a cavity and pinning. The dividing wall separates the apparatus into two channels. A cavity forms in the channel close to the upstream face while pinning occurs in the other channel. In comparison to a moving bed without a dividing wall, the cavity size and pinning width in a moving bed with a dividing wall are smaller at the same gas velocity.