Hydrodynamics of a gas-liquid-solid fluidized bed with hollow cylindrical particles

被引：21

作者：

Jena, H. M. ^{[1
]}

Roy, G. K. ^{[1
]}

Meikap, B. C. ^{[2
]}

机构：

[1] NIT, Dept Chem Engn, Rourkela 769008, Orissa, India

[2] Indian Inst Technol, Dept Chem Engn, Kharagpur 721302, W Bengal, India

来源：

CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION | 2009年 / 48卷 / 01期

关键词：

Gas-liquid-solid fluidization; Pressure drop; Minimum fluidization velocity; Bed voidage; Gas holdup; Hollow cylindrical particles; VELOCITY; HOLDUP;

D O I：

10.1016/j.cep.2008.04.003

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The hydrodynamic characteristics, viz, the pressure drop, bed expansion and phase hold up profile of a co-current three-phase fluidized bed with an antenna-type air sparger have been determined. Correlations for minimum liquid fluidization velocity, bed voidage and gas holdup have been developed. The bed voidage is found to increase with the increase of both liquid and gas velocities. The gas holdup increases with gas Froude number. but decreases with liquid Reynolds number. The gas holdup is a strong function of the Froude number, The experimental values have been found to agree with the correlations. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：279 / 287

页数：9

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