华电技术 ›› 2018, Vol. 40 ›› Issue (2): 21-24.

• 技术交流 • 上一篇    下一篇

某电厂锅炉燃烧器喷口烧损原因分析及防治

  

  1. 1.华电电力科学研究院材料技术部, 杭州〓310030; 2.哈尔滨热电厂生产技术部, 哈尔滨〓150046
  • 出版日期:2018-02-25 发布日期:2018-03-28

Reason analysis and prevention of the burnout of boiler burner nozzle

  1. 1.Huadian Electric Power Research Institute, Department of the Material Technology, Hangzhou 310030, China;2.Harbin Thermal Power Plant, Department of the Production Technology, Harbin 150046, China
  • Online:2018-02-25 Published:2018-03-28

摘要:

某电厂锅炉运行一段时间后屡次发生燃烧器喷口烧损现象,同时炉膛内部水冷壁存在挂灰、结焦、鼓包、膨胀等问题,严重影响机组的安全运行。从机组入炉煤质、燃烧器结构、燃烧及配风方式等方面进行了分析,对该机组目前存在的问题进行了汇总,并对燃烧器喷口烧损的防治提出了相关建议。

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Abstract:

Burnout on the boiler burner nozzle was observed in a power plant shortly after it start running for a short period. ash deposits, coking, bulge, and swelling were found on the water wall inside the hearth, which seriously affect the operation safety of the unit. In is paper, the quality of the firing coal, the structure of the burner, the method of combustion was studied as the influential factors, the exiting problems of the unit is summarized, and the suggest on the prevention of the burnout of the boiler burner nozzle is presented.

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