1引言碱回收锅炉是将纸浆厂蒸煮 (碱法蒸煮 )洗涤后的废液 (黑液 ) ,经蒸发浓缩后作为锅炉的燃料喷入炉内燃烧 ,一方面焚烧掉废物 ,另一方面有效地进行碱回收 ,既解决了黑液对环境的污染问题又提高了其运行的经济性和安全性。蒸发设备的作用是给锅炉提供合格的燃料 ,即在蒸发设 1 Introduction Alkali recovery boiler is the waste liquor (black liquor) after the pulp mill cooking (alkaline cooking) washing, after evaporation and concentration as the fuel of the boiler into the furnace combustion, on the one hand incineration of waste, on the other hand effectively Alkali recovery, not only to solve the problem of black liquor pollution to the environment but also improve the economy and safety of its operation. The role of evaporation equipment is to provide qualified boiler fuel, that is, in the evaporation set