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On-line locating technology for condenser cooling tube leakage in power plant
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Long MENG1, Weike ZHANG1, Junwan LI1, Guojun LONG1, Peng SUN2, Zhiguo HUANG3, Youwei JIANG4
Thermal Power Generation | 2025, 54(1) : 162 - 170
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Thermal Power Generation | 2025, 54(1): 162-170
• Power generation technology forum •
On-line locating technology for condenser cooling tube leakage in power plant
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Long MENG1, Weike ZHANG1, Junwan LI1, Guojun LONG1, Peng SUN2, Zhiguo HUANG3, Youwei JIANG4
Affiliations
  • 1.Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China
  • 2.China Huaneng Group Co., Ltd. Shandong Branch, Jinan 250013, China
  • 3.Huaneng International Power Co., Ltd. Dezhou Power Plant., Dezhou 253011, China
  • 4.XiangyangYicheng Power Generation Co., Ltd, Hubei Energy Group, Xiangyang 441400, China
Published: 2025-01-25 doi: 10.19666/j.rlfd.202405098
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To improve timeliness and accuracy of the location of condenser leakage cooling tube and solve the problem that the leakage cooling tube cannot be located online, the optimal route of leakage cooling tube location technology is demonstrated by combining theoretical analysis with experimental research. The results show that the tracer gas leakage detection technology has the characteristics of high positioning efficiency and high positioning accuracy, and is suitable for developing on-line locating technology of condenser leakage cooling tube. Through establishing the relationship model between and among the helium concentration change value, time, and water tank liquid level during the isolation of one half of the condenser for draining water, the height of the condenser leakage cooling tube can be located, so as to determine the condenser leakage tube row.

condenser  /  cooling tube  /  leakage  /  tube row  /  helium mass spectrometry leak detection  /  Venturi
Long MENG, Weike ZHANG, Junwan LI, Guojun LONG, Peng SUN, Zhiguo HUANG, Youwei JIANG. On-line locating technology for condenser cooling tube leakage in power plant[J]. Thermal Power Generation, 2025 , 54 (1) : 162 -170 . DOI: 10.19666/j.rlfd.202405098
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Article Info
doi: 10.19666/j.rlfd.202405098
  • Receive Date：2024-05-28
  • Online Date：2026-03-06
  • Published：2025-01-25
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  • Received：2024-05-28
Affiliations
    1.Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China
    2.China Huaneng Group Co., Ltd. Shandong Branch, Jinan 250013, China
    3.Huaneng International Power Co., Ltd. Dezhou Power Plant., Dezhou 253011, China
    4.XiangyangYicheng Power Generation Co., Ltd, Hubei Energy Group, Xiangyang 441400, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202405098
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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