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PowerFluid circulating fluidized bed boilers

ANDRITZ PowerFluid boilers are based on Circulating Fluidized Bed (CFB) technology to produce steam and electricity from nearly all solid fuels from coal and biomass to alternative fuels and wastes. PowerFluid boilers employ proven, yet modern combustion technology to efficiently produce power while keeping emissions within environmentally safe limits.

Flexibility

Fuel flexibility

A major challenge for power generators is how to balance the variations in fuel pricing and availability in order to profitably generate power while producing minimal emissions.  To meet this challenge, plants need the flexibility to utilize a wide range of different fuels in order to ensure supply stability at the lowest possible cost.

Availability

High availability

CFB technology is best for multi-fuel combustion and the ability to use diverse fuels of differing quality. The diversity of fuels ranges from conventional (coal, oil), to biomass, to alternative (biogenous residues, sludge, rejects, and refuse-derived waste fractions with high calorific value). The high heat capacity of the fluidized bed evens out the fluctuations caused by fuel quality variations and effectively maintains combustion.

PowerFluid circulating fluidized bed boiler. StoraEnso, Maxau, Germany

PowerFluid circulating fluidized bed boiler. StoraEnso, Maxau, Germany

PowerFluid CFB boiler. Riikinvoima, Finland.

PowerFluid CFB boiler. Riikinvoima, Finland.

PowerFluid CFB solutions

PowerFluid boilers combine standardized modules which can be flexibly configured with strongly custom-tailored features for optimum performance. PowerFluid boilers have unequaled fuel flexibility (including fuels which are difficult to burn), high efficiency, and the ability maintain almost complete combustion with the lowest emissions of nitric and sulphur oxides.

Benefits of the PowerFluid boiler

  • Highest fuel flexibility
    • Multi-fuel combustion
    • Wide range of heating values, fuel types, and properties
    • Tolerant of fuel fluctuations and other disturbances
  • Almost complete combustion with lowest emissions
    • Low CO, TOC emissions
    • Low unburned carbon in ash
    • Low SOX with direct desulphurization by adding limestone
    • Low NOX with controlled temperature and air staging
  • High efficiency
    • Low amount of excess air
    • High burnout rate
  • Excellent load following capabilities and part load behavior
  • Reliable design, high availability, and long life
PowerFluid CFB boiler. Fortum Värtaverket, Sweden.

PowerFluid CFB boiler. Fortum Värtaverket, Sweden.

PowerFluid CFB boiler. Busan, South Korea.

PowerFluid CFB boiler (artist's impression). Busan, South Korea.

PowerFluid CFB boiler. Donghae, South Korea.

PowerFluid CFB boiler (artist's impression). Donghae, South Korea.

Power boilers - locations all around the world

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ANDRITZ power plant service experts work in close cooperation with customers to improve the safety, performance, stability, availability, and efficiency of power generation equipment. ANDRITZ is well-positioned to offer the full support our customers need.

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ANDRITZ Power Boilers
Eibesbrunnergasse 20
1120 Vienna
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Austria
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Download
  • Power systems brochure PDF : 2.7 MB
  • Spectrum35-Stockholm Värtaverket - The icing on the cake PDF : 1.4 MB
  • StoraEnso Maxau - SPECTRUM 25 PDF : 642 KB