Dynamic Behavior and Solid Volume Fraction Distribution in a Jetting Fluidized Bed

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Shigeyuki Uemiya¹  Chun-Hua Luo¹  Toshinori Kojima¹ 

[1] Department of Industrial Chemistry, Seikei University

关键词: Jetting Fluidized Bed;    Conical Distributor;    Solid Volume Fraction;    Fiber Optic Probe;   

DOI  :  10.1252/jcej.30.491

来源: Maruzen Company Ltd

【 摘 要 】

References(26)Cited-By(4)A reflection-type fiber optic probe was used to measure local solid volume fraction in a cylindrical jetting fluidized bed with a conical distributor using three kinds of particles different in sizes. By analyzing the local voidage fluctuations, the jet contours, and the time-averaged solid volume fraction profiles were studied. The jet extension half angle was found to be much lower than those calculated by Merry’s correlation derived for beds with flat distributors. The solid volume fraction measured on the axis increased almost linearly with the distance from the nozzle. In the annulus, it was about one tenth lower than that at the minimum fluidization. The radial solid volume fraction profile in the jet was found to be parabolic.

【 授权许可】

Unknown