Introduction
The document discusses the implementation of a biomass-fired burner system by COEN to reduce NOx emissions and increase production efficiency at a Medium Density Fiberboard (MDF) plant in Montana.

Results

• Low NOx: Achieved a 25% reduction in NOx emissions.
• Reliability: The burner system proved stable and reliable for both sander dust and natural gas fuels.
• Efficiency: Utilized waste by-products as fuel, reducing costs.
• Lower VOC: Incinerated press exhaust gas in the air heater chamber to reduce VOC emissions.

Solution
A special burner system using the DAZ Scroll Feed Burner and directional front wall air ports was implemented. This system provided a reliable and stable combustion process for sander dust and natural gas. The air staging technology significantly lowered the conversion of fuel bond nitrogen (FBN), reducing NOx emissions by 25% from the baseline.

System Design and Features

• The DAZ Scroll Feed Burner allows for the burning of multiple fuels, either separately or in combination with biomass fuels.
• The "Dual Air Zone" feature enhances mixing through counter-rotating concentric air streams.
• The system supports early ignition and stable flame formation, optimizing combustion.

Applications and Benefits
COEN's biomass combustion systems are designed for various industries, including wood product producers, agricultural industries, and food processing industries. The use of biomass waste products as a fuel source replaces expensive fossil fuels, reduces disposal problems, and lowers fuel costs.

Emissions Reduction
COEN's low NOx air heater design allows for air staging, significantly reducing NOx emissions from high fuel-bound nitrogen fuels. The system is designed for longevity, reducing maintenance and downtime, and supports accurate air/fuel ratio control for simultaneous firing of multiple fuels.