Customer: Refinery
Location: Qilu
Original Design:

ID2200/2800mm.Two-pass tray
48 V1 Valve trays

Problem:

Condenser underdesign
Operation problem in summer
High LPG content in gasoline

Solution:

ADV high efficient tray replaced V1 tray
Modified downcomer in 2800mm section
Adopt Bubble promoter
Improve the location and structure of the reflux pipe and feed pipe

Result:

The Debutanizer never flood any more
Capacity increased by 20%