HYDRODYNAMICS OF PLURAL TRAY(Ⅰ) EFFECT OF HOLE DIAMETER AND FREE AREA OF PLURAL TRAY ON HYDRODYNAMIC PROPERTIES

DU Dongyun; WANG Jun; FANG Yunjin; XIAO Wende; LU Xiaohua

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HYDRODYNAMICS OF PLURAL TRAY(Ⅰ) EFFECT OF HOLE DIAMETER AND FREE AREA OF PLURAL TRAY ON HYDRODYNAMIC PROPERTIES

更新时间：2025-12-10

- HYDRODYNAMICS OF PLURAL TRAY(Ⅰ) EFFECT OF HOLE DIAMETER AND FREE AREA OF PLURAL TRAY ON HYDRODYNAMIC PROPERTIES
- CIESC Journal Issue 7, (2002)
- 作者机构：
  
  1. 华东理工大学联合化学反应工程研究所
  2. 华中科技大学环境科学与工程学院
  3. 湖北师范学院化学与环境工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 July 2002，
  
  Published：25 July 2002
- 稿件说明：
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DU Dongyun, WANG Jun, FANG Yunjin, et al. HYDRODYNAMICS OF PLURAL TRAY(Ⅰ) EFFECT OF HOLE DIAMETER AND FREE AREA OF PLURAL TRAY ON HYDRODYNAMIC PROPERTIES[J]. CIESC Journal, 2002, (7).
DOI：

DU Dongyun, WANG Jun, FANG Yunjin, et al. HYDRODYNAMICS OF PLURAL TRAY(Ⅰ) EFFECT OF HOLE DIAMETER AND FREE AREA OF PLURAL TRAY ON HYDRODYNAMIC PROPERTIES[J]. CIESC Journal, 2002, (7). DOI：

摘要

基于火力发电厂烟气脱硫工程化项目的需要

提出了一种同时具备大孔径和高开孔率条件、由大孔筛板和波纹板填料及其附件构成的复合塔板

研究了孔径和开孔率对于该复合塔板流体力学性能的影响 .结果表明 :与其他的塔板相比

该塔板在同样的操作条件下压降更低

通量更大.

Abstract

As a large equipment used in flue gas desulfuration

Plural Tray

which operates in the spray regime and consists of large-holed sieve tray and structured packing

has been developed.Hydrodynamics of such new sieve tray is studied in this paper.The experiments are accomplished in a cold model column with diameter of 400mm.The effect of hole diameter and free area of Plural Tray on the hydrodynamic properties is studied.The larger the hole diameter is

the more the wet tray pressure drop is;the more the free area is

the worse the operating flexibility is.As a result

Plural Tray has the characteristics of lower resistence

little entrainment and big upper limit velocity of operation.

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