Post on 18-Jan-2016
Steam Net Simulation at Borealis' Cracker Site in
Stenungsund
Presentation at Nordic Process Control Workshop 15, Porsgrunn
29 January 2009Veronica Olesen
Solvina
Göteborg
Västerås
•Power Engineering •Process Engineering•Automatic Control •Chemical Engineering •Computer Technology •Mathematics •Nuclear Power Safety
•Power Engineering •Process Engineering•Automatic Control •Chemical Engineering •Computer Technology •Mathematics •Nuclear Power Safety
Solvina
Borealis Stenungsund
Borealis Stenungsund
Ethylene
HP steam
LP steam from LD5
New
Cracker Steam NetFrom production
Boilers
To PE
To processesDump
HP
MP
LP
From LD5
NewNew
Trip of LD5From production
Boilers
To PE
To processesDump
From LD5
Trip of LD5From production
Boilers
To PE
To processesDump
From LD5
Trip of LD5From production
Boilers
To PE
To processesDump
From LD5
?
?
?
Major pressure drops
Pressure ControlFrom production
Boilers
To PE
To processesDump
From LD5
Findings• Restrictions necessary on the PE site to
slow down the course of events.
Findings• Restrictions necessary on the PE site to
slow down the course of events.• Use the same measuring point for all
control loops in the LP net.
PI PIPI
Findings• Restrictions necessary on the PE site to
slow down the course of events.• Use the same measuring point for all
control loops in the LP net.• Feed forward needed in boiler control
Accep
tab
le p
ressu
re
ran
ge
t0
Findings• Restrictions necessary on the PE site to
slow down the course of events.• Use the same measuring point for all
control loops in the LP net.• Feed forward needed in boiler control• Dynamic simulations necessary prior to
mayor changes.
Thank you for listening
Questions?
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