C.R.U. HEATERS REHABILITATION PROJECT AT W.R.P.C.

CATALYTIC REFORMER UNITS HEATER REHABILITATION

CLIENT: NIGERIA NATIONAL PETROLEUM CO. (NNPC) FOR WRPC

Following the Fire Accident Rehabilitation of All Four Units of the Catalytic Reformer Unit – CRU and it adjoining facilities had to be replaced and its Control and Instrumentation system upgraded to the required standards.

The following works has been carried out as a Fast Track Project in 3 Months since the effective commencement of the works:
1. Design of the Mechanical System with relevant Upgrades of the Heaters
2. Design of the Control, Instrumentation and Electric Systems and its Integration in Refinery DCS / PLC System Originally Supplied by Chyoda /Yokogawa
3. Complete Replacement of the 4 Heaters Units Coils using the existing inlet and outlet headers, Replacement of the refractory, RTJ gaskets, Stud Blots and header Flanges
4. Refurbishment of Burners, Air Plenums and any other damaged sections
5. Replacement and Upgrade of all 67 skin point thermocouples, Shutoff Valves, and other Electric and Instrumentation Systems up to the Junctions boxes
6. Providing New PLC systems, 5 Graphic Displays and its programming including interaction between DCS / PLC
7. Performing continuity tests, loop checking and proper functioning at the termination points of the marshalling cabinets for the respective DCS/ PLC Systems
8. Reconnecting the fuel and steam piping and control and electric systems.

Mechanical Completion and Commissioning of the new 4 CRU Heater Units of the Refinery, was implemented in accordance to the Fast Track Schedule, and accepted by the Client. The CRU Heater Units Revamped by LECG are working successfully since commissioning.