Fired heaters for Naphtha HydroTreating (NHT) and Fixed Bed Platforming Unit
Transheat scope
The overall scope for the complete project was to perform 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.
Major design attributes
Total number of heaters in package = 4.
NHT unit - One Charge heater, Box, Vertical tubes;
Charge heater - Vertical cylindrical;
No. 1 Interheater - Vertical cylindrical
No. 2 Interheater – Box, Vertical tubes.
Common convection section and stack on Platforming Charge heater.
Software used for Structure design : STAAD Pro and in-house excel spread sheet.

