McBurney - Model 2 -Drum Bottom Supported Boiler
The furnace and the boiler are designed for the specific requirements of the fuels to be fired and boiler operating conditions. The furnaces are conservatively sized to improve fuel combustion and burnout, reduce particulate emissions carryover, and provide low furnace volume heat release rates.
By having two gas passes through the boiler bank, the boiler exit gas temperature is lower than a top-supported single gas pass boiler design. This results in a smaller tubular air heater and/or economizer.
For superheated steam applications, a radiant and/or convective pendant type superheater can be provided.
The 2-drum bottom-supported boiler is offered in a wide variety of fuel firing combinations including gas/oil burners, solid fuel suspension burners (for sander-dust), and continuous ash discharge stokers including traveling grate, air and water-cooled vibrating grates.
- Steam capacities: 40,000 LB/hr to 200, 000 lb/hr, (18 t/hr to 82 t/hr)
- Maximum design pressure: 1200 psig (82 bar)
- Maximum steam temperature: 900°F(482°C)
- Furnace construction: Tube & tile or membrane wall