Improvement of Flexicoker Unit (U-32)
Improvement of Flexicoker Unit (U-32)
Client:
HELLENIC PETROLEUM S.A. - ELEFSIS INDUSTRIAL COMPLEX
Solution/Service:
Studies
Technical Data
- Modifications to the valves internals and installation of a new PCV form scrubber towards flare in order to obtain a flow of 226480 kg/h
- Increase Coke loading system start up
- Modification and installation of new rupture discs
- Slop feed injection piping changes
- Coke separator bay lowering
- Thermosyphon reboiler changes
- Hydraulic debottlenecking of Heavy Heavy Gas Oil (HHGO) circuit
- Modification of existing hand operated valves to MOV’s
- Increase capacity of water wash system and sour water pumping capacity
- Improve Reactor dense bed level measurement
- Installation of new cooling water lines
- Fire protection systems upgrade
- Feed modifications in the slurry pump around Modifications in the filters and improvement of the steam tracing system
Asprofos Services
- Project Management
- Basic and Detailed Engineering
- Field Survey to confirm the location for the new equipment
- Cost Estimation
- Project Control
- Issue of Technical Documentation for Purchasing
- Technical Evaluation and Bidder Selection
Description
During the operation of the new Flexicoker Unit in the Elefsis Industrial Complex of HELPE, various malfunctions in the unit required technical alterations. ASPROFOS undertook the responsibility to study these issues and provide solutions which were approved by the Licensor Exxon-Mobil and were applied for the proper operation of the unit. Following HELPE instructions ASPROFOS prepared all necessary documentation according to time schedule ensuring the timely delivery of the equipment during the shut-down of the refinery.
