华电技术 ›› 2019, Vol. 41 ›› Issue (6): 53-56.

• 节能与环保 • 上一篇    下一篇

空气预热器排烟温度偏差分析

  

  1. 中电华创电力技术研究有限公司,江苏苏州〓215123
  • 出版日期:2019-06-25 发布日期:2019-07-12

Analysis of temperature deviation of exhaust flue gas in air preheater

  1. China Power Huachuang Electricity Technology Research Company Limited, Suzhou 215123, China
  • Online:2019-06-25 Published:2019-07-12

摘要:

针对某发电厂2台空气预热器出口排烟温度存在较大偏差的问题,通过调取分散控制系统(DCS)历史数据,并对在线数据进行标定,对空气预热器出口烟温偏差问题从烟气侧、空气侧及漏风率等方面进行分析,得出两侧烟温存在偏差的原因,提出解决方案。

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Abstract:

To address the large deviation of the exhaust gas temperature at outlets of two air preheater in a power plant, historical data of distributed control system(DCS) is retrieved and the online data is calibrated. Analysis on the deviation of gas temperature at outlets is made from flue gas side/air side flue gas temperature and air leakage rate. The reason for the deviation of the flue gas temperature on two sides is obtained, and a solution is proposed.

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