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Biomass Boilers

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The size and moisture content of the fuel can vary considerably. The variability is critical in a network of heating installations where the fuel is supplied from various suppliers and sources.

The Biomass boiler has been designed and built to operate with solid fuels with a moisture content of up to 55%. The boiler can be supplied with 3 different types of combustion systems, which are; Model Biomass US with Under Feed Stoker for fuels up to 30 mm with a moisture content of up to 30% Model Biomass SG for fuels of up to 30 mm with a maximum moisture content of 55% utilising a screw fed Step Grate system of combustion.

Model Biomass LF for fuels 50 mm x 50 mm x 300 mm with a moisture content of up to 55% which utilises an hydraulic ram to feed the Step Grate system of combustion.

The boiler has been designed to produce Low Temperature and Medium Temperature Hot Water with operating pressures of 2 bar, 5 bar and 12 bar g. These pressures will allow operation temperatures up to 95 deg C, 130 deg C and 150 deg C respectively and designs conform to either EN 303 or PED as determined by the operating temperature required. The design of the boiler is essentially four passes, with two passes being completed within the combustion chamber and a further two passes in the gas passes of the heat exchanger. The large combustion chamber is a feature of the boiler creating high combustion temperature, long residence time in the furnace to ensure a quiet combustion process and low emissions. Whilst the models Biomass US and Biomass SG utilise screw feed for particle size up to 30 mm, the LF version using an hydraulic ram feeder system has been developed to accommodate larger sizes of timber up to 50 mm x 50 mm x 300 mm. The boiler control system incorporates user friendly software for reliability and ease of operation and control of the boiler system.

 

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To contact O’Brien Boiler Services about O'Brien Biomass Boilers use Get a quote.

The size and moisture content of the fuel can vary considerably. The variability is critical in a network of heating installations where the fuel is supplied from various suppliers and sources.

The Biomass boiler has been designed and built to operate with solid fuels with a moisture content of up to 55%. The boiler can be supplied with 3 different types of combustion systems, which are; Model Biomass US with Under Feed Stoker for fuels up to 30 mm with a moisture content of up to 30% Model Biomass SG for fuels of up to 30 mm with a maximum moisture content of 55% utilising a screw fed Step Grate system of combustion.

Model Biomass LF for fuels 50 mm x 50 mm x 300 mm with a moisture content of up to 55% which utilises an hydraulic ram to feed the Step Grate system of combustion.

The boiler has been designed to produce Low Temperature and Medium Temperature Hot Water with operating pressures of 2 bar, 5 bar and 12 bar g. These pressures will allow operation temperatures up to 95 deg C, 130 deg C and 150 deg C respectively and designs conform to either EN 303 or PED as determined by the operating temperature required. The design of the boiler is essentially four passes, with two passes being completed within the combustion chamber and a further two passes in the gas passes of the heat exchanger. The large combustion chamber is a feature of the boiler creating high combustion temperature, long residence time in the furnace to ensure a quiet combustion process and low emissions. Whilst the models Biomass US and Biomass SG utilise screw feed for particle size up to 30 mm, the LF version using an hydraulic ram feeder system has been developed to accommodate larger sizes of timber up to 50 mm x 50 mm x 300 mm. The boiler control system incorporates user friendly software for reliability and ease of operation and control of the boiler system.

 

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To contact O’Brien Boiler Services about O'Brien Biomass Boilers use Get a quote.