Gas-Liquid Mass Transfer Characteristics in a Horizontal Vessel Equipped with Stirring Device(Ⅱ)

潘勤敏; 唐福瑞; 顾培韵; 孙建中; 潘祖仁

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Gas-Liquid Mass Transfer Characteristics in a Horizontal Vessel Equipped with Stirring Device(Ⅱ)

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- Gas-Liquid Mass Transfer Characteristics in a Horizontal Vessel Equipped with Stirring Device(Ⅱ)
- CIESC Journal Issue 2, (1987)
- 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 June 1987，
  
  Published：25 June 1987
- 稿件说明：
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潘勤敏, 唐福瑞, 顾培韵, et al. Gas-Liquid Mass Transfer Characteristics in a Horizontal Vessel Equipped with Stirring Device(Ⅱ)[J]. CIESC Journal, 1987, (2).
DOI：

潘勤敏, 唐福瑞, 顾培韵, et al. Gas-Liquid Mass Transfer Characteristics in a Horizontal Vessel Equipped with Stirring Device(Ⅱ)[J]. CIESC Journal, 1987, (2). DOI：

摘要

分别在纯水-O_2、乳化剂水溶液-O_2两个体系中

实测了卧式釜中长径比、桨径釜径比、液含率、搅拌桨个数、叶片数及操作条件对气液传质容量系数K_(La)的影响

关联了低Fr数区的实验结果;提出了以K_La为目标函数的放大准则:在几何相似条件下

保持Fr=const.

或P_v=const..

Abstract

Volumtric liquid-phase mass-transfer coefficients of oxygen-water and oxygen-C7 F15COONa aqueous solution systems were determined in a horizontal vessel equipped with a stirrar. Experiments were conducted through the steady physical absorption of oxygen in aqueons solutions. The effects ofvarious parameters

such as L/Dt

Di/Dt

Liquid hold-up

types and number of impellers etc

on the gas-liquid mass transfer coefficient kLa are being discussed. Correlations with experimental results were also given. In addition

a criterion for kLa to be used in the sealing-up of a horizontal vessel of similar geometry was given as: Fr=const. or Pv = const.

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