HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR

CIESC Journal

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HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR

陈晓祥; 汪鸿涛; 李宽宏; 苏元复

Chemical Engineering Research Centre, East China Institute of Chemical Technology, Shanghai, 200237

收稿日期:1990-12-19 修回日期:1990-12-19 出版日期:1992-06-28 发布日期:1992-06-28
通讯作者: 陈晓祥

HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR

CHEN Xiaoxiang; WANG Hongtao; LI Kuanhong; SU Yuanfu

Chemical Engineering Research Centre, East China Institute of Chemical Technology, Shanghai, 200237

Received:1990-12-19 Revised:1990-12-19 Online:1992-06-28 Published:1992-06-28
Contact: CHEN Xiaoxiang

摘要/Abstract

摘要： The open turbine rotating disc contactor (OTRDC) has been installed simply by adding three narrow strips to the lower surface of each rotating disc in the rotating disc contactor (RDC), so it can be used for the system with high solid particle content. Hydrodynamics and axial mixing have been investigated in a 0.152m diameter OTRDC of different compartment height for the system of tap water and quartz particles. A model has been developed to describe the flow of liquid and solid phases. The solid phase holdup can be calculated satisfactorily according to the model equations. Axial mixing data have been treated by the backflow model and the correlations for predicting backflow ratios of liquid and solid phases in OTRDC have been presented.

关键词: hydrodynamics;axial mixing;liquid-solid system;column;contactor

Abstract: The open turbine rotating disc contactor (OTRDC) has been installed simply by adding three narrow strips to the lower surface of each rotating disc in the rotating disc contactor (RDC), so it can be used for the system with high solid particle content. Hydrodynamics and axial mixing have been investigated in a 0.152m diameter OTRDC of different compartment height for the system of tap water and quartz particles. A model has been developed to describe the flow of liquid and solid phases. The solid phase holdup can be calculated satisfactorily according to the model equations. Axial mixing data have been treated by the backflow model and the correlations for predicting backflow ratios of liquid and solid phases in OTRDC have been presented.

Key words: hydrodynamics, axial mixing, liquid-solid system, column, contactor

陈晓祥, 汪鸿涛, 李宽宏, 苏元复. HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR [J]. CIESC Journal.

CHEN Xiaoxiang, WANG Hongtao, LI Kuanhong, SU Yuanfu. HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR [J]. .

HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR

HYDRODYNAMICS AND AXIAL MIXING OF LIQUIDSOLID SYSTEM IN OPEN TURBINE ROTATING DISC CONTACTOR

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