Local Gas Phase Flow Characteristics of a Gas—Liquid—Solid Three—Phase Reversed Flow Jet Loop Reactor
摘要
The local gas-phase flow characteristics such as local gas holdup (eg), local bubble velocity (Vb) and local bubble mean diameter(db) at a specified point in a gas-liquid-solid three-phase reversed flow jet loop reactor was experimentally investigated by a five-point conductivity probe. The effects of gas jet flow rate, liquid jet flow rate, solid loading, nozzle diameter and axial position on the local eg,Vb and db profiles were discussed. The presence of solids at low solid concentrations not only increased the local eg and Vb, but also decreased the local db. The optimum solid olading for the maximum local eg and Vb together with the minimum local db was 0.16×10^-3m^3, corresponding to a solid volume fraction,eS=2.5%.
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WENJianping, ChenYunlin. Local Gas Phase Flow Characteristics of a Gas—Liquid—Solid Three—Phase Reversed Flow Jet Loop Reactor[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2002.
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