Aalborg Energie Technik a/s (AET)

- Biomass Power Plants

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AET designs and supplies turnkey biomass boiler plants with excellent and well-documented performance and availability.

The benefits of an AET power plant include:

  • The unique AET Combustion System
    • Low flue gas emissions
    • High combustion efficiency
    • Low in-house power consumption
    • Best Available Technology
  • High fuel flexibility : Lower operational costs
  • High boiler and plant efficiency
    • Optimised heat balance
    • Good customer business case
  • High availability : Improved customer business case

Determining the optimal design for a biomass-fired power involves factoing in many different parameters such as optimum operating conditions, fuel, boiler, turbine, steam/water cycle etc.

AET can assist you to optimise the plant parameters as our expert staff have many years of experience and extensive knowledge of steam cycles and steam turbines.

AET power plants can be designed for almost all types of biomass. The high electrical efficiency, very stable electricity production and extremely high availability ensure a good business case for you as the investor. The design parameters below form the basic platform for our plants:

  • Fuel heat input : 25 – 170 MWth
  • Net electrical power output : 7 - 65 MWe
  • Net electrical efficiency : 28 - 38 %
  • Boiler design :
    • Water tube boiler with natural circulation
    • Single pressure or double pressure (reheat, e.g. 140 bar and 25 bar)
  • Operating time : At least 8000 hours without shutdown for manual cleaning
  • Boiler efficiency : 91% - 94%  - depending on fuel moisture
  • Emission values : Better than European requirements
  • Fuel flexibility : Fuel moisture content: 10 - 55 %
  • Auxiliary burner : Not necessary
  • In house power consumption : < 2.5 % of fuel heat input
  • Availability : Better than 96 %

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