[1]陈自强,杨 璋.某型核电汽轮机凝汽器半侧运行分析[J].热力发电,2018,(10):142-146.[doi:10.19666/j.rlfd.201803037]
 CHEN Ziqiang,YANG Zhang.Analysis of the half-side operation of a nuclear power steam turbine condenser[J].Thermal Power Generation,2018,(10):142-146.[doi:10.19666/j.rlfd.201803037]
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某型核电汽轮机凝汽器半侧运行分析()
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《热力发电》[ISSN:1000-9035/CN:22-1262/O4]

卷:
期数:
2018年10期
页码:
142-146
栏目:
发电技术论坛
出版日期:
2018-09-28

文章信息/Info

Title:
Analysis of the half-side operation of a nuclear power steam turbine condenser
作者:
陈自强1杨 璋12
1.福建宁德核电有限公司,福建 宁德 355200; 2.南京航空航天大学航空宇航学院,江苏 南京 210016
Author(s):
CHEN Ziqiang1 YANG Zhang12
1. Ningde Nuclear Power Company, Ningde 355200, China; 2. Department of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
关键词:
核电汽轮机凝汽器半侧运行流体弹性激振疲劳断裂流体激励管束振动响应
分类号:
TK268.+1
DOI:
10.19666/j.rlfd.201803037
文献标志码:
B
摘要:
某核电汽轮机凝汽器半侧运行时发生钛管断裂,失效分析判断为流体弹性激振导致的疲劳断裂。从流体激励与管束振动响应出发,研究凝汽器半侧运行时稳态、瞬态激励对钛管振动的影响,发现凝汽器半侧运行如所带负荷偏高叠加危急疏水时容易诱发流体弹性激振。根据该型凝汽器的管束设计特点,对激振敏感区域的钛管进行堵管和加防磨条处理,同时优化了半侧运行时允许的最高汽轮机负荷。此外,凝汽器半侧运行时可能导致汽轮机低压转子与端部汽封的动静摩擦,该问题可以通过磨合处理解决。

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(责任编辑 刘永强)

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备注/Memo

备注/Memo:
陈自强(1974—),男,高级工程师,主要从事核电站运行管理工作。
更新日期/Last Update: 2018-09-29