Vortex Geometry in Self-Induction Gas-LiquidAgitated Vessels

陈明光; 孙建中; 唐福瑞; 顾培韻; 潘祖仁

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Vortex Geometry in Self-Induction Gas-LiquidAgitated Vessels

更新时间：2025-12-16

- Vortex Geometry in Self-Induction Gas-LiquidAgitated Vessels
- CIESC Journal Issue 1, (1988)
- 作者机构：
  
  浙江大学化工系,浙江大学化工系,浙江大学化工系,浙江大学化工系,浙江大学化工系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 February 1988，
  
  Published：25 February 1988
- 稿件说明：
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陈明光, 孙建中, 唐福瑞, et al. Vortex Geometry in Self-Induction Gas-LiquidAgitated Vessels[J]. CIESC Journal, 1988, (1).
DOI：

陈明光, 孙建中, 唐福瑞, et al. Vortex Geometry in Self-Induction Gas-LiquidAgitated Vessels[J]. CIESC Journal, 1988, (1). DOI：

摘要

采用推进式搅拌桨时自吸式气液搅拌槽中的液面产生旋涡.本文应用动量平衡

导出旋涡液面形状方程和固体回转部半径的计算式子.据此

获得桨叶的特性吸入转速No和固体回转部半径随搅拌雷诺数的变化规律.结果表明

采用螺旋桨不仅可以降低特性吸入转速

而且还可削弱固体回转部的影响

从而为推进式搅拌桨在自吸式气液两相聚合中的推广应用提供了理论依据.

Abstract

The vortex geometry and the radius of the cylindrical rotating zone in a vertical self-induction gas-liquid vessel with co-axial propeller agitation was formulated by the momentum balance method and verified by experimental investigations. From this

the critical inductive speed N and the variation of the cylindrical rotating zone with Reynolds number could be predicted. It was found that the propeller performed much better than other types of impellers such as flat blade impeller

flat blade turbine and flat blade disc turbine

because of its lower critical inductive speed and less effect of cylindrically rotating zone. Thus

it was claimed that such a propeller may be a good component for gas-liquid polymerization reactors.

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