空气预热器改造的分析和评价  

Analysis and assessment of air preheater retrofit

作　　者：黄素华[1] 王忠元[1] 

机构地区：[1]华东电力试验研究院,上海200437

出　　处：《华东电力》2004年第4期26-28,共3页East China Electric Power

摘　　要：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。Using the practical engineering example of the rotary air preheater retrofit adopting'double sealing technique 'in a power plant, the conditions of the air preheater before and after the retrofit were introduced. The effect of air leakage rate and tail flue gas temperature on boiler efficiency was emphatically analyzed. The evaluation method for air preheater performance was given also.

关 键 词：锅炉 空气预热器 技术改造 漏风率 排烟温度 双密封技术 

分 类 号：TK223.34[动力工程及工程热物理—动力机械及工程]