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Project
Review:
Project:
Light
ends Plant Revamp
Customer:
Petroleum Plant
Location: Fushun
Original Design Capacity:
  300
kt/a
V1
Valve tray for all the five columns
Objective:
Capacity
increase from 300 kt/a to 450 kt/a
Improve
purity of propylene from 98.5% to 99.5%
Replace
trays one by one. Tower attachments keep unchanged
Scope:
Depropanizer,
ID2400mm, 65 trays
Deethanizer,
ID1200/1600mm, 55 trays
C3
Splitter (A/B), ID3600mm, 180 trays(capacity increase
over 70%£©
Deisobutanizer,
ID3200mm, 90 trays
Depentanizer,
ID1400mm, 55 trays
Solution:
Adopt
ADV Valve trays
Supper
tray deck connection
Adopt
Bubble promoter
Result:
Capacity
reach 450 kt/a
Purity
of propylene: 99.5%
Actual
reflux ratio of all the columns is less than the design
value
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