Gas-Liquid Mass Transfer Characteristics in Horizontal Stirred Vessel ( I )

Pan Qinmin; Tang Furus; Gu Peiyun; Shun Jianzhong and Pan Zuren(Department of Chemical Engineering; Zhejiang University)

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Gas-Liquid Mass Transfer Characteristics in Horizontal Stirred Vessel ( I )

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- Gas-Liquid Mass Transfer Characteristics in Horizontal Stirred Vessel ( I )
- CIESC Journal Issue 1, (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 March 1987，
  
  Published：25 March 1987
- 稿件说明：
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Pan Qinmin, Tang Furus, Gu Peiyun, et al. Gas-Liquid Mass Transfer Characteristics in Horizontal Stirred Vessel ( I )[J]. CIESC Journal, 1987, (1).
DOI：

Pan Qinmin, Tang Furus, Gu Peiyun, et al. Gas-Liquid Mass Transfer Characteristics in Horizontal Stirred Vessel ( I )[J]. CIESC Journal, 1987, (1). DOI：

摘要

针对国内氟塑料生产过程技术开发的需要

用氧气物理吸收法及激光透射法测定了卧式釜液侧传质容易系数k_La及比界面积a.结果表明

与立式釜相比

卧式釜具有一系列优点:如进行正常传质所需的搅拌转速较低;在相同功耗下

传质容量系数约高一个数量级;混合程度及传质面分布均匀度有明显改善.本文用流体力学原理分析了两类釜传递特性差异的原因

并对实验结果作了关联.

Abstract

Volumetric liquid-phase mass transfer coefficients as well as gas-liquid interracial area for oxygen-water and oxygen-aqueous-C7F15 COONa-solution systems were determined in a horizontal stirred vessel by steady-state oxygen absorption and light scattering experiments. The horizontal agitated ves-sel is considered to possess more advantages than the vertical vessel

such as lower agitation speed tor normal gas-liquid mass transfer

greater kLa for the same agitation power

improved mixing

and homogeneity in mass transfer area distribution. The paper deals with differences of mass transfer characteristics between these two types of vesseis on the basis of hydromechanics

and gives correlations of the experimental results The objective of the paper is to provide basic data tor developing processes for manufacturing fluorine-containing polymer.

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