The thesis adopted the high efficiency wave tray to reconstruct the tradition trayof urea synthesis column, which has strengthened heat and mass transfer.
本文采用高效的波形塔板对传统的尿素合成塔进行改造，加强了尿素合成塔内的传热与传质。
2
Comparing the characteristics oftraycolumn with packed column, and combining the structured packing with dual flow plate, a new type compound tray 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。
3
Tray operation restrictions have been discussed based on the basic research and technical progress oftraycolumn.