1000MW超超临界机组锅炉燃烧器烧损原因分析及防治

介绍了北疆电厂1 000MW超超临界机组锅炉燃烧器烧损情况,从燃烧器配风、煤着火距离、入炉煤质变化、燃烧器结构及材质等方面分析了燃烧器烧损的原因,结合实际提出了防治燃烧器烧损的办法,并提供了各层燃烧器周界风门的开度优化值,供同类型锅炉的燃烧调整及运行优化借鉴。

Cause Analysis of Boiler Burner Burnout in a 1000MW Ultra-supercritical Unit and the Countermeasures

An introduction is being presented to the burnout condition of a 1 000 MW ultra-supercritical boiler burner in Beijiang Power Plant, together with an analysis performed to the burnout causes, from the aspect of air distribution, ignition distance, inlet coal quality variation, burner structure and material,e tc., based on which preventive measures are put forward according to actual conditions.Furthermore, optimization values for the opening of air dampers around the burner at various layers are provided to serve as a reference for combustion adjustment and operation optimization of same type boilers.