ISSN Online: 2377-424X
ISBN Print: 0-85295-345-3
International Heat Transfer Conference 10
PROCESS AND THERMAL DESIGN OF HEAT EXCHANGERS FOR CRUDE AND VACUUM DISTILLATION UNITS IN AN OIL REFINERY-AN ACTUAL CASE STUDY
Abstrakt
The various considerations that went into the total design
of the crude preheat train and various other heat exchangers
are described in detail. Since there were a total of 8 cases of
operation, optimisation was a crucial issue. Pinch technology
was employed to full advantage in synthesising the crude
preheat train as well the BFW circuit. Reboilers were
integrated with the crude preheat train but the overhead
condensers had to employ cold utilities. Downstream of the
crude preheat train, hot products were used to generate steam
and preheat BFW before going to air and/or water coolers.
Some interesting features of thermal design of the individual
heat exchangers arc also highlighted.