OCR Text |
Show Summary Development work and application successes have demonstrated the power and versatility of the dilute gas combustion LNI technique in reduction of N O x emissions in high performance combustion systems without sacrifice of efficiency or heating capability of the furnace. Optimization of LNI burner parameters has been aggressively followed in conjunction with development of a substantial understanding of the application parameters required to match LNI in-furnace combustion with the fired process. The LNI technique has been evaluated for several combinations of fuels and oxidant-supply conditions. It has shown to be a powerful N O x inhibitor with all commonly used practical industrial choices. For regenerative burners, where high air preheat capability offers low fuel consumption, LNI offers striking N O x emission reduction - to the point that such burners are most likely to offer the lowest mass emissions per unit of production of any combustion system type - ambient air, recuperative, or regenerative - in many high production processes. Application of the technique to liquid fuels significantly broadens the available high-performance system options for their users. Extension of LNI to oxygen and air/oxygen burners also provides high levels of emissions reduction. We believe LNI to be the most powerful NOx-inhibiting technology available today for high-temperature process furnaces. 20 |