华电技术 ›› 2014, Vol. 36 ›› Issue (8): 27-29.

• 技术交流 • 上一篇    下一篇

某电厂循环水泵大轴断裂的原因分析

  

  1. (1.华电曹妃甸重工装备有限公司,河北唐山〓063210; 2.河南省电力工业锅炉压力容器检验中心,郑州〓450052)
  • 出版日期:2014-08-25

Case analysis of major shaft fracture for the circulating water pump in a certain power plant

  1. (1.Huadian Caofeidian Heavy Equipment Corporation limited, Tangshan 063210,China; 2.Henan Electric Industrial Boiler and Pressure Vessel Inspection Center, Zhengzhou 450052, China)
  • Published:2014-08-25

摘要: 摘要:某电厂超临界机组循环水泵大轴发生断裂,造成了重大设备事故。对循环水泵大轴断口进行了光谱、硬度和金相检测,依据检测结果,分析了循环水泵大轴发生断裂的原因,提出了预防措施。

关键词: 关键词:循环水泵大轴, 断裂, 检测, 原因分析, 防护措施

Abstract: Abstract:A fracture accident occurred to major shaft of the circulating water pump for the super critical unit in a power plant. The fracture of major shaft for the circulating water pump was inspected, through spectral analysis and metallography were hardness test. According to the test results, the causes of c major shaft fracture of the circulating pump were analyzed, and relative precautionary measures were put forward.

Key words: Keywords:circulating water pump major shaft, fracture, inspection, cause analysis;precautionary measures