Page 86 - Impiantistica industriale

OIL INDUSTRY

EPCM Contract for the delivery

of a new Coker Closed Blowdown system

at Petrobrazi refinery

Wood has been awarded a Alessandro Mantovani, Project decoked as part of the decoking cycle.
Contract by OMV Petrom S.A. Manager, Wood Both cycles operate on the same time
frame, so when the first drum finishes the
Romica Dutu, Project Director of Coker
for the new Coker Closed Unit Program, OMV Petrom coking cycle, the feed can be switched to
Blowdown System at the the second drum which just finished the
Petrobrazi refinery in Romania, decoking cycle. The main activities done
during the decoking cycle are: steaming to
as part of a wider modernization elayed Coking is a thermal recover the light ends material, cooling the
program of the existing process in which a residuum coke, draining the water, cutting the coke
material is rapidly heated in
and preheating the cold coke drum.
Delayed Coker Unit a furnace, and then thermal-
ly cracked in Coke Drums The Delayed Coker Unit (DCU) in Petro-
started more than 10 years agoDunder proper conditions brazi was built in 1989 (figure 1), it inclu-
of temperature and pressure. The Coke des four (4) Coke Drums sized for 3,500
Drums are built in pairs so while one of MTPD, over a twenty (20) hours coking
them is being filled with hot coke during cycle. Currently the DCU uses both a
the coking cycle, the other one is being semi-closed and an open blowdown sy-

84 Impiantistica Italiana - Maggio-Giugno 2019