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Experience and Track Record
 
First and world largest Ambient Air Heaters supplied to Petronet LNG Ltd. for 5 MMTPA LNG re-gasification terminal at Dahej, Gujarat in the western coast of India.
 
Design Features
 
Forced draft top mounted axial flow fan pushing air from top to bottom.
Design validation done with CFD analysis for cold air re-circulation.
Dew point, film condensation and freezing of water droplets considered in the design while estimating heat transfer rate and fan static pressure.
Ambient air heaters for phase II at the same location was also supplied by GEI in 2006.
 
Applications Ambient Air Heaters
Glycol Water Mixture Heater for STVs in LNG Plants
Propane Gas Heaters
Sub-Zero Temperature Cooling Fluid Heaters
Fin Tubes & Metallurgy
 
Tubes are of Carbon Steel which can be combined
with Extruded bi-metallic Aluminium Fins.
Stainless Steel with 'G' type grooved embedded fins
can also be used but this is an expensive option.
 
Bundle Configuration
 
Force draft with fans blowing air from top to bottom.
 
Thermal Design Considerations
 
To take care of possible air recirculation, film condensation and
freezing & fogging.
 
 
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Air Cooled Steam Condensers
Air Cooled Heat Exchangers
Air Cooled Process Gas Coolers
Cooling Modules & Radiators
Water Cooled Air Compressor Coolers
Ambient Air Heaters