A major producer of steel profiles, sought to optimize the combustion operation and efficiency of a walking beam hearth furnace
A major producer of steel profiles, sought to optimize the combustion operation and efficiency of a walking beam hearth furnace
2 PagesCOMBUSTION OPTIMIZATION CASE STUDY The real time, in-situ measurement of excess oxygen and temperature in the radiant heat zone of a boiler or furnace provides a window for viewing combustion conditions closest to the source. Excess oxygen and temperature measurements, taken at strategic sample points around the firebox, provide timely information for optimal trim control of the combustion process. With a focus on fuel costs and NOx emissions, it is essential that the excess oxygen measurement be fast and accurate. Combustion is the rapid combination of oxygen with a fuel resulting in the release of heat. In most combustion processes the oxygen comes from air. Unfortunately, only 20.9% of air is oxygen. Nitrogen and other non-combustible gases make up the other
