摘要
以基于烟气再循环的燃气炉为研究对象,通过燃烧实验分析其低氮氧化物排放性能。研究结果表明,炉膛结构参数以及烟气再循环对氮氧化物排放性能具有较大的影响。其中,增加炉膛直径,可有效降低锅炉氮氧化物排放量,综合考虑热效率及制造成本,4 t/h燃气炉炉膛直径最终确定为1 050 mm。在此基础上,进一步改进炉膛结构为烟气再循环结构,同时配合使用RS 410/E BLU FGR燃烧机,成功实现了30 mg/m^3(标态)以下的超低氮氧化物排放。
With the technology of internal flue gas reeirculation, the structure of gas-fired boiler is studied, and the performance of the low NOx emission is analyzed via combustion experiment. The results show that the structure parameters of furnace and flue gas recireulation have great influence on NOx emission. With the diameter of furnace increased, the NOx emission of the boiler effectively reduced. Considering the manufacturing cost, the diameter of the 4t/h gas furnace is final- ly determined to be 1 050 mm. With the using internal flue gas reeireulation structure and RS 410/E BLU FGR RIELLO burner, ultra-low NOx emission below 30 mg/m^3 （normal） is successfully achieved.
出处
《工业锅炉》
2017年第1期22-25,共4页
Industrial Boilers
关键词
烟气再循环
低氮燃烧
炉膛结构
燃气锅炉
internal flue gas recirculation
low-nitrogen combustion
furnace structure
gas-fired boiler
