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1 引言循环流化床锅炉具有燃烧效率高、低污染、煤种适应性广等优点而在我国得以迅速发展,技术上已日趋成熟。福建本地基本上是碳化程度高、挥发分含量极低的难以着火的Ⅱ类无烟煤,特别适合在循环流化床锅炉上燃烧。循环流化床对燃料的要求相对较低,仅需对原煤进行简单破碎。国内循环流化床采用的一般是平均粒径较粗(约1～1.5mm)的0～8mm的宽筛分燃
1 Introduction circulating fluidized bed boiler has the advantages of high combustion efficiency, low pollution, wide adaptability of coal and other advantages in China to rapid development, the technology has matured. Fujian is basically a high level of carbonation, low volatile content of the very difficult to fire Ⅱ class anthracite, especially suitable for combustion in a circulating fluidized bed boiler. Circulating fluidized bed requires relatively low fuel, only simple crushing of raw coal. Domestic circulating fluidized bed is generally used in the larger average diameter of coarse (about 1 ~ 1.5mm) 0 ~ 8mm wide sieve combustion