HELICAL ROTATING ABSORBER

陈昭琼; 熊双喜; 伍极光

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HELICAL ROTATING ABSORBER

更新时间：2025-12-16

- HELICAL ROTATING ABSORBER
- CIESC Journal Issue 3, (1995)
- 作者机构：
  
  湘潭大学化学工程系!湘潭411105,湘潭大学化学工程系!湘潭411105,湘潭大学化学工程系,湘潭,411105
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q051
- Online First：25 June 1995，
  
  Published：25 June 1995
- 稿件说明：
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陈昭琼, 熊双喜, 伍极光. HELICAL ROTATING ABSORBER[J]. CIESC Journal, 1995, (3).
DOI：

陈昭琼, 熊双喜, 伍极光. HELICAL ROTATING ABSORBER[J]. CIESC Journal, 1995, (3). DOI：

摘要

传统的吸收设备一般为塔型。传质的效果除与气液接触面的大小、气液流动状况、气液本身的物理性质等因素有关外

还与重力加速度g密切相关。Van Krevelen等推导出的关系式中

传质系数是k_L∞g~(1/3)

Vivian通过对湿壁塔中气体吸收过程的研究

Norman等利用溶质渗透理论

都导出k_L∞g~(1/6)。但g是一个不可改变的有限值

若用人为可改变的旋转速度ω取代

则是一条强化传质过程的途径。作者从1983年研究旋转吸收器

屡经改进

制造了现用的实验螺旋型旋转吸收器。用该装置的实验结果表明

当ω增大时

k_L和α随之增大

液泛速度相应提高

操作范围增大

传质效果增强。

Abstract

A new type of absorber

helical rotating absorber

has been developed. This kind of absorber is different from other rotating ones

with the advantages of simple structure and high mass - transfer efficiency. Experimental results showed that the interfacial surface area per volume of the absorber a was 20 times higher than that of the B - 25 whirlflow tower plates

and its liquid-side mass -transfer coefficient kL is about 0. 08 cm/s. The thickness of the liquid film is thinner than that of gravity flow. The higher the rotating velocity

the higher the a and kL

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