Radial Dispersion of Gas Stream inCorrugated Plate Packings I . Experiments and Correlation

徐崇嗣; 姜庆泉; 张秀成

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Radial Dispersion of Gas Stream inCorrugated Plate Packings I . Experiments and Correlation

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- Radial Dispersion of Gas Stream inCorrugated Plate Packings I . Experiments and Correlation
- CIESC Journal Issue 1, (1986)
- 作者机构：
  
  浙江工学院,浙江工学院,浙江工学院现在西北大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 March 1986，
  
  Published：25 March 1986
- 稿件说明：
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徐崇嗣, 姜庆泉, 张秀成. Radial Dispersion of Gas Stream inCorrugated Plate Packings I . Experiments and Correlation[J]. CIESC Journal, 1986, (1).
DOI：

徐崇嗣, 姜庆泉, 张秀成. Radial Dispersion of Gas Stream inCorrugated Plate Packings I . Experiments and Correlation[J]. CIESC Journal, 1986, (1). DOI：

摘要

本文在φ200和φ287mm两种塔内

对4.5型和6.3型板波填料进行了气流径向混合试验

试验采用CO_2作为示踪剂.试验结果表明

板波填料具有良好的径向混合性能.4.5型板波填料的Pe_r仅为1.5左右

而φ15mm拉西环的Pe_r约为3.5.影响气流在板波填料中径向混合的因素有:填料的盘高、盘径、波纹倾角以及气速等.在低Re下

板波填料的Pe_r较低

且随Re的增大而增加

当Re>800以后.Pe_r趋于定值.本文提出了Pe_r与诸参数间的经验关联式.

Abstract

Experiments on radial dispersion of a gas stream in three different types of packings were carried out in φ200- and φ287- mm perspex columns with CO2 as a tracer. The packing used were corrugated plate with 4.5- or 6.3- type extruded holes

15-mm Raschig rings

and 25-mm cascade rings. Experimental results indicated that the corrugated plate packing has an excellent radial dispersion behavior. The value of Peclet number Per depends on the height and diameter of the packing element

inclination angle of corrugation and the Reynolds number Re. Peclet number increases with increasing Re at low Re

but approaches a constant value as Re>800.

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