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结合某电厂回转式空气预热器采用“双密封技术”改造的工程实例,介绍了空预器改造前后的设备状况;着重分析了空预器漏风率和排烟温度对锅炉效率的影响;提出了空预器性能的评价方法。
Combined with the engineering example of “double seal technology” retrofit of a rotary air preheater of a power plant, the condition of the equipment before and after the revamping of the air preheater is introduced; the influence of the air leakage rate of the air preheater and the temperature of the exhaust gas on the efficiency of the boiler is emphatically analyzed; Air preheater performance evaluation method.