Comparing the characteristics of tray column with packed column, and combining the structured packing with dual flow plate, a new type compoundtray was developed.
对比板式塔和填料塔的特点，将规整填料与穿流板有机组合，开发出新型的复合塔板。
2
Combining advantages of both flow-guided sieve tray and structured packing, a new flow-guided compoundtray was set up.
结合导向筛板与规整填料的优点，开发出具有导向功能的新型导向复合塔板。
3
The column of reactive distillation was improved from compound tower to sieve tray tower which is famous for its lower cost of equipment and simpler operation and cleaning.