文档介绍：蕾船《s《6 邯峰电厂660嘲机组w型火焰锅炉的性能分析及预报摘要本文针对目前国际上最先进的邯峰电厂660娜机组w型火焰锅炉进行较深入的研究。首先探讨了W型火焰锅炉炉膛的传热计算问题。由于w型火焰锅炉结构的特殊性,不能采用与四角切圆锅炉相同的计算方法。在全面比较前苏联73年热力计算标准中煤粉炉炉膛各种不同的传热计算方法的基础上,对其中两种传热计算方法即半开式和分区段炉膛传热计算方法进行了较详细的分析研究。在此基础上应用 EXCEL对该炉进行完整的热力计算,确定了各个受热面的特性参数, 核算了排烟温度、热风温度和锅炉效率。本文采用K-e双方程模型、随机轨道模型、双反应兢争模型、英国菲尔德模型及网络分析方法对W型火焰锅炉炉内的流动、燃烧、传热进行了数值模拟。针对邯峰电厂的660MⅣ机组IIr型火焰锅炉的特点, 编制和完善了炉内热态流动及燃烧模拟程序,并进行了全面的炉内过程数值计算,得到了锅炉炉膛内的温度分布和速度分布,对锅炉性能进行了预报。在此基础上,得出一些有益的结论。关键词:无烟煤,w型火焰锅炉,数值模拟,热力计算 Abstract Inorder tosolve theproblem ofstableburninganthracite,W flame boileris anew boilerconfiguration introduced to our country intheearly hasbeen proved thatthe boiler hasmore advantages,such as firing condition,minimum bustion loadrate,burning anthracite andleancoals,capacity bustion and decreasing NOx ,the boilerwill bewidely used in paper summarized theintroduction ofW flameboiler,design features, layouts of boiler,parison ofW flame and bustion modes and the operating results,more important,the calculation of this kind boiler furnace the technology hasbeen introduced for lessthan 10years,it is not quite perfect,and there 81"e no reasonable rules inthe heating calculation of660MW classWflame boilerofHanfeng Power Plant,the Sovietrules were findtheappropriate method ofthis boiler,various methods were parison ofthere