Gas to Air Unit, Automotive, Aluminium Furnace, USA 2008

Gas to Air

Exhaust Temp in/Out

400 C / 266 C

Water Temp In/Out

30 C / 293 C 

Exhaust/Water Mass Flow

Exhaust/Water Mass Flow

11,016 / 180,000 Kg/h

12,000 / 6,374 Kg/h

Energy Recovered

528 KW

Recovered Energy Value

$155K p/a

Heat Exchanger Cost

$150K

Payback Period

16 Months

Price per KW recovered

$123 (£76)

  • Econotherm®GA 360 smooth pipe heat exchanger

  • 500 kW combustion air pre-heater

  • High particulate matter exhaust from furnace

  • Low fouling, easy cleaning and maintenance, high reliability

  • Unit positioned outside main factory premises

  • Customer advised it was not possible by consultants (acid etc)

Air Pre-Heater, Large Petrochemical Plant, Freeport Texas, 2016

12,000 / 6,374 Kg/h

48,856 / 49,124 Kg/h

Exhaust/Water Mass Flow

Exhaust/Air Flow Rate

26 C / 254 C 

Air Temp In/Out

360 C / 142 C

Exhaust Temp in/Out

Gas to Air

£750K

Project Cost

£563K p/a

Recovered Energy Value

3,100 KW

Energy Recovered

£241

Price per KW recovered

19 Months

Payback Period

  • Econotherm®GA 3100 finned pipe counter flow air pre heater

  • Ethylene cracking furnace combustion air pre-heater

  • Distilled water working fluid pipes

  • ASME design code compliant, fully NDT tested

  • Carbon steel finned pipe design