华电技术 ›› 2018, Vol. 40 ›› Issue (5): 21-24.

• 研究与开发 • 上一篇    下一篇

锅炉受热面风险评估与信息化管理的研究

  

  1. 1.宁夏京能宁东发电有限责任公司,银川〓750400; 2.华北电力大学,北京〓102206
  • 出版日期:2018-07-25

Research on risk assessment and information management of boiler heating surfaces

  1. 1.Ningxia Jingneng Ningdong Electric Power Company Limited, Yinchuan 750400,China; 2.North China Electric Power University, Beijing 102206,China
  • Published:2018-07-25

摘要:

电站锅炉受热面爆漏失效是造成非计划停运的主要原因,针对目前电站防磨防爆的被动检修现状,提出对锅炉防磨防爆工作进行数字化管理的理念,通过对锅炉壁温运行数据进行多维度分析和分级评价,建立受热面管道的风险评估模型.在评价模型中引入由于超温导致的当量蠕变寿命损耗。结合离线检测数据,对受热面管的风险等级进行动态修正,提升风险指标的评价可靠性。

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Abstract:

The main reason for unplanned outage is the bursting and leakage of heating surfaces of power plant boiler. According to the status quo of passive inspection and maintenance on power plant anti-wear and explosion proof, a concept of digital management on boiler antiexplosion and antiexplosion work is put forward. Wall temperature of boilers are analyzed, assessed and graded from various aspects. The risk assessment model of heatingsurface pipe is established. The equivalent creep lifetime loss caused by overtemperature is introduced into the evaluation model. Combined with offline testing data, the risk level of the heatingsurface tube is amended dynamically, which can improve the assessment reliability of the risk indicators.

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