This paper describes the working mechanism of staged coat combustion boiler,analyzes the key factor of controlling fucl burning layer,it temperature,and mentions the way to deal with it.

• 本文阐述了两段燃烧锅炉的工作机理,分析了两段燃烧锅炉的关键是控制燃料层的温度,并提出了解决问题的方法。