A Correlation of Liquid Dispersion in Three-phase Fluidized Beds

杨守志

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A Correlation of Liquid Dispersion in Three-phase Fluidized Beds

更新时间：2025-12-16

- A Correlation of Liquid Dispersion in Three-phase Fluidized Beds
- CIESC Journal Issue 2, (1989)
- 作者机构：
  
  中国科学院化工冶金研究所,北京
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 April 1989，
  
  Published：25 April 1989
- 稿件说明：
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杨守志. A Correlation of Liquid Dispersion in Three-phase Fluidized Beds[J]. CIESC Journal, 1989, (2).
DOI：

杨守志. A Correlation of Liquid Dispersion in Three-phase Fluidized Beds[J]. CIESC Journal, 1989, (2). DOI：

摘要

本文提出了一个基于能量耗散原理的关于三相流化床中液体返混系数的关联式.返混系数的大小可藉流体的湍流性质以及反应器的几何参数予以描述.对国内外近年发表的数据关联的结果可表示为P(?)_L=3.31(Fr~#)~(0.35)

与理论式非常接近:其中Fr~#=(1+u_e/(?)_G+(?)_L)~2((?)_L/(?)_G+(?)_L)((?)_L~2)/gd_r上式覆盖了Fr~#的六个数量级的宽广范围

Abstract

In this paper a general correlation has been developed on liquid dispersion in three-phase fluidized bed reactor based on the principle of energydissipation. Liquid dispersion can be described by the characteristics of turbulence of fluid as well as geometric parameters of the reactor. Correlation of recently published data can be represented as PeL= 3.31(Fr")0.35

in which Fr" is the modified Froude number. The above relation is very close to the theoretical relation with Fr" covering a wide range of 6 orders of magnitude and a correlation coefficient R=0.98.

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