Multi-stage, in series, steam/water, natural gas

Spirax Sarco, Italy 2012

Multi-stage Steam Generator and Water

Pre-Heater

Exhaust Temp in/Out

420 C / 160 C

Water Temp In/Out

160 C / 198 C (12 bar)

Exhaust/Water Mass Flow

Exhaust/Water Mass Flow

28,567 / 14,470 Kg/h

11,484 / 900 Kg/h

Weight of Unit

1852 Kg

Exhaust Pressure Drop

700 Pa

Energy Recovered

520 KW

Recovered Energy Value

£19K p/a

Heat Exchanger Cost

€19K

Payback Period

12 Months

Price per Kw Recovered

£36

  • Anaerobic digester genset in food industry

  • 1 stage of 198C/12 Bar steam generation, left hand side

  • 2 stages of water heating delivered by 2 standard modules, visible on right of unit

  • Pipes screwed in from underneath on standard modules; modules can be removed individually

  • Hinged access doors for easy cleaning, sealing nuts will be replaced by latches on future units

Steam Generator, China Sea, April 2016

Exhaust Temp in/Out

400 C / 250 C

Water/Steam Temp In/Out

50 C / 180 C

Exhaust/Water Mass Flow

Exhaust Flow / Steam Rate

11,484 / 900 Kg/h

130,000 / 8,000 Kg/h

Energy Recovered

6,400 KW

Recovered Energy Value

£2.1M p/a

Project Cost

£1.2M

Payback Period

7 Months

Price per Kw Recovered

£328

  • Econotherm GA 6400 smooth pipe 2 stage steam generator 

  • On-site assembly

  • High reliability required for an offshore location

  • Low footprint required by space limitations

  • instant startup from gas turbine