Fired heaters for Naphtha HydroTreating (NHT) and Fixed Bed Platforming Unit
Transheat scope
Mechanical design, structure design, refractory design, piping stress analysis, specifications for bought out items, complete 3D modelling of heaters with interconnecting flue gas ducts, fabrication drawings and material lists from the same 3D model.
Installation location : Iraq.
Thermal design by UOP.
All design documents reviewed by : UOP – Process Licensor.
Major design attributes
Total number of heaters in package = 4,
All heaters natural draft.
Process fluid in radiant section only for all four heaters.
NHT unit – One Charge heater, Box, Vertical tubes
Platforming unit –
- Charge heater - Vertical cylindrical
- No. 1 Interheater - Vertical cylindrical
- No. 2 Interheater – Box, Vertical tubes
Fuel fired – Combination oil and gas firing
Piping stress analysis of complete coils with cross-over piping..
Common convection section and stack on Platforming Charge heater.
Convection section – steam generation, steam superheating and feed water preheat coils.
Flue gas ducts provided with expansion joints, dampers and shut-off blades
