The main contents are as follows : based on analyzing several kinds of computing models of the boiler efficiency , performance test code for utility boiler is selected as original version and a new boiler efficiency online computing model is presented , which only needing input the coal industrial analytical components and the main operating monitored parameters of the boiler can online compute the boiler efficiencies 本文的主要工作如下:在分析了幾種鍋爐效率計(jì)算模型的基礎(chǔ)上,選擇我國(guó)電站鍋爐性能試驗(yàn)規(guī)程作為藍(lán)本,提出了一種新的鍋爐效率在線計(jì)算模型。該模型只需要輸入鍋爐燃用煤的工業(yè)分析成分和鍋爐主要運(yùn)行監(jiān)控參數(shù)就可以在線計(jì)算鍋爐效率。