筛型塔板在喷射及混合状态操作下三相传质性能

CIESC Journal

筛型塔板在喷射及混合状态操作下三相传质性能

史季芬,陈金芳,杨腾,傅举孚

北京化工学院化工系,北京化工学院化工系,北京化工学院化工系,北京化工学院化工系北京 100029 ,北京 100029 ,北京 100029 ,北京 100029

出版日期:1994-10-25 发布日期:1994-10-25

THREE - PHASE MASS TRANSFER ON DISTILLATION SIEVE TRAYS UNDER SPRAY AND MIXED REGIMES

Shi Jifen, Chen Jinfang, Yang Teng and Fu Jufu (Department of Chemical Engineering, Beijing Institute of Chemical Technology, Beijing 100029)

Online:1994-10-25 Published:1994-10-25

摘要/Abstract

摘要： 以空气-水-油(煤油及白油)为介质在600mm×150mm矩形冷模塔内测试了筛型塔板气液液三相传质性能。研究喷射及混合状态下,气速、液流强度、油水比等操作条件和塔板结构参数(孔径、开孔率)对塔板效率的影响。气膜和液膜控制的2种物系的实验表明,三相传质的板效率在喷射状态下明显高于混合状态。对测试数据进行关联,获得适用于喷射及混合状态下三相传质板效率的估算式。

Abstract: The Mass transfer on three-phase distillation has been investigated. Water -paraffin oil and water-kerosene and paraffin mixture were used as the two immiscible liquids and air as the third phase. Three sieve tray designs were studied in a 600 × 150mm rectangular simulator. Under spray and froth flow regimes, the effects of operating conditions (vapor velocity. liquid rate. oil-water ratio )and tray design (hole diameter and free area)on mass transfer were systematically investigated. Three-phase mass transfer of gas film controlling and liquid film controlling was measured experimentally. It was found that the plate efficiency in spray regime is higher than that in mixed regime, Finally, the correlations of plate efficiency for three- phase mass transfer in spray and mixed regimes were obtained by regression of experimental data.

中图分类号:

TQ021

史季芬,陈金芳,杨腾,傅举孚. 筛型塔板在喷射及混合状态操作下三相传质性能 [J]. CIESC Journal.

Shi Jifen, Chen Jinfang, Yang Teng and Fu Jufu (Department of Chemical Engineering, Beijing Institute of Chemical Technology, Beijing 100029). THREE - PHASE MASS TRANSFER ON DISTILLATION SIEVE TRAYS UNDER SPRAY AND MIXED REGIMES[J]. .

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