Analysis of Low Nitrogen Transformation of Central Combustion Boiler and Cast Iron Boiler

　　At present, the common gas low-nitrogen combustion technology can meet the industrial nitrogen oxide emission requirements, but the FGR and water-cooled combustion technology have large demand for the furnace volume, while the central return-fired boiler and the cast iron boiler furnace have small volume, which is feasible for low-nitrogen transformation. To use full premixed combustion technology. At present, special boilers such as cast iron boilers, central return-fired boilers, central vertical combustion + vertical + heat transfer oil boilers have been completed, and all have excellent emission parameters.

——Author：ebico