应用降膜理论研究板波纹填料的持液量

The Study of Liquid Holdup in Packed Columns by the Falling Film Theory

采用降膜理论建立了板波纹填料的持液量模型。通过对下降液膜的受力分析 ,给出了有效重力加速度的计算方法。应用该模型对 2 50 Y型填料进行了计算 ,并和实验值进行了比较。对比表明 ,模型计算值与实验值的偏差在工程意义上都是可以接受的 ,因而模型具有一定的应用价值。

Liquid holdup in packed columns is an important parameter.A new method was presented according to the theory of falling film to calculate the holdup in structured packing.Although differences existed between the calculated values and the experiment ones,the model can still be used in engineering evaluation.