flooding point 塔设备中出现液泛时的操作点。液泛是指在塔中进行气液逆流接触过程或液液逆流接触过程,由于流速过大而不能实现逆流操作的状态。在气液接触的塔中达到泛点时,液体不能顺畅地下流而向上漫延,并被气体大量带出。 泛点是塔设备的操作极限。 填料塔的最大操作气速为泛点气速的95%,适宜的操作气速一般为泛点气速的70%左右。
找出了填料层压降和空塔气速的变化关系,泛点气速和喷淋密度的关系。
Relationships of pressure drop across the packing zone with the apparent velocity and flooding volocity with spraying density are obtained.
获得了压强降填料因子、泛点填料因子,以及液相真实传质单元高度的关联式。
The correlations of the packing factor of pressure drop, packing factor of flooding point, and HTU of the true liquid phase mass transfer were obtained.
获得了该填料的几何特性、泛点填料因子、压降填料因子及传质系数等有关参数。
The geometric characteristics, the factors of flooding point, the factors of pressure drop and mass transfer coefficients of the tower packing are obtained.
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