就当前扩产增容中塔设备设计和改造时板式塔和填料塔的选型问题加以分析。
Analysis for type selections of plate columns and packed columns in the design of the columns during revamp and expansion of the plant.
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。
Comparing the characteristics of tray column with packed column, and combining the structured packing with dual flow plate, a new type compound tray was developed.
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