BFB EcoFluid boiler at Tuen Mun sewage sludge treatment facility, Hong Kong, China

ANDRITZ EcoFluid boilers

ANDRITZ EcoFluid boilers are based on Bubbling Fluidized Bed (BFB) technology for producing steam and electricity from solid fuels such as renewable biomass and alternate fuels such as sludge, Refuse-Derived Fuel (RDF) and residues.  EcoFluid boilers employ proven, yet modern combustion technology to efficiently produce power while keeping emissions within environmentally safe limits.

BFB EcoFluid boiler at E.ON Blackburn Meadows Renewable Energy Plant, UK

BFB EcoFluid boiler in Blackburn Meadows, UK

BFB EcoFluid boielr at Hämeenkyrön Voima, Finland

BFB EcoFluid boiler at Hämeenkyrön Voima, Finland

BFB EcoFluid boiler at Iggesund Workington, UK

BFB EcoFluid boiler at Iggesund Workington, UK

BFB EcoFluid boiler at Karlstad, Sweden

BFB EcoFluid boiler in Karlstad, Sweden

Depending upon the location, fuel availability and quality can vary greatly according to the season.  With emissions limits becoming more strict, there is a need for power generation technology that is able to utilize alternative low-quality fuels with high efficiency and availability – and with minimal emissions.

EcoFluid BFB solutions

BFB is the best technology for the combustion of a wide range of biomass and alternative fuels for steam and power generation. The high heat capacity of the fluidized bed evens out the fluctuations caused by fuel quality variations to effectively maintain stable combustion.

EcoFluid boilers are designed in standardized modules which can be flexibly configured to achieve the results of a custom-tailored system at a lower capital cost.  EcoFluid boilers are typically natural circulation high-pressure steam boilers, equipped with auxiliaries and emission reduction technologies as required.

EcoFluid BC for biomass

The EcoFluid Biomass Concept (BC) is designed for different biomass fuels. The total system encompasses equipment for fuel feeding into the boiler, water-cooled fluidizing grid design, and efficient bottom ash and fly ash handling systems. The boiler is typically highly instrumented and automated for easy operation.

EcoFluid AC for alternative fuels

The EcoFluid Advanced Concept (AC) is specially designed for combusting challenging fuels such as paper sludge, agricultural residues, and waste wood. The boiler has an open nozzle grid for reliable discharge of inert coarse particles and meets all relevant requirements of the Waste Incineration Directive.

EcoFluid RC for waste

The EcoFluid Residue Concept (RC) is an excellent choice for Refuse-Derived Fuel (RDF) fractions and other waste materials with challenging fuel properties. These fuels can even be used in combination with sewage sludge. The open nozzle grid is specially designed for waste fuels and the boiler features a solid radiation and horizontal back pass design.

BFB EcoFluid boiler at Montes del Plata, Uruguay

BFB EcoFluid boiler at Montes del Plata, Uruguay

BFB EcoFluid boiler in Mjölby, Sweden

BFB EcoFluid boiler in Mjölby, Sweden

Benefits of the EcoFluid boiler

  • Fuel flexibility
    • Handles large variations in fuel moisture
    • Accommodates large particle size variations
  • High combustion and boiler efficiency
    • Low unburned carbon loss
  • Low emissions
    • Low CO
    • Low NOX with air staging (SNCR and SCR available)
    • Low HCl and SO2 with sorbent injection and bag filter if needed
  • Low maintenance costs
    • Simple, reliable construction
    • No moving parts inside furnace
  • High availability and long life
    • Conservative design, effective sootblowing, high quality components

ANDRITZ PULP & PAPER - Biomass Power Plant Blackburn Meadows

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Services for power plants

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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