Design Consideration of Hot Oil System-libre

Split range To flare PC

N2

Expansion vessel

WHRU

-

Trim cooler TC

Full flow bypass

Spill over bypass

FC Process stream

Trim cooler

UY

+

Split range

-

TC Process consumers

>

X

PDC

> Filter

TC Circulation pump

Pump out cooler To flare

N2

Normally no flow

HTF storage tank

Make up pump

Fig. 1: Closed loop process flow diagram of hot oil system as per Shell DEP 2