Proper, turbulent mixing of the flue gases in the boiler furnace provides a better combustion process and burn-out in the gas phase.
With the B&W Volund VoluMix™ system, all of the primary air passes through the narrow gap between the grate bars, creating a strong, turbulent combustion zone. The system is installed at the inlet of the first pass.
VoluMix™ ensures very low carbon monoxide (CO) and total organic carbon (TOC) content in the flue gas.
Advantages of VoluMix include:
Good mixing and combustion conditions in the furnace – gas-phase burnout
Staged combustion makes it possible to reduce the formation of fuel NOx
Avoidance of hot spots in the furnace and boiler which would speed up corrosion
Obtaining turbulent conditions for optimum burnout–low CO levels
Uniform temperature and velocity distribution in the convection passes to maximize heat transfer and residence time
Basis for low excess air resulting in high overall thermal efficiency
Eliminates the need for flue gas recirculation, saving fan investment cost, as well as operation and maintenance costs
New Build
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