Leak detection system design and operating considerations for the US-CRBRP

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Diffusion membrane type hydrogen detectors are provided for monitoring the sodium exiting each evaporator and superheater in the Clinch River Breeder Reactor Plant. These detectors allow detection of small water to sodium leaks and provide the plant operator with an early warning signal. Hydrogen detectors are located at the exit sodium streams of each steam generator module, the vent from the module semi-stagnant region, the cold leg piping, and in an intermediate system sodium expansion tank cover gas region. In addition, an electrochemical oxygen detector is located in the cold leg piping. The leak detection system is capable of detecting ... continued below

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Pages: 23

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Kruger, G.B.; Eng, K.Y. & Kelly, W.L. January 1, 1976.

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Description

Diffusion membrane type hydrogen detectors are provided for monitoring the sodium exiting each evaporator and superheater in the Clinch River Breeder Reactor Plant. These detectors allow detection of small water to sodium leaks and provide the plant operator with an early warning signal. Hydrogen detectors are located at the exit sodium streams of each steam generator module, the vent from the module semi-stagnant region, the cold leg piping, and in an intermediate system sodium expansion tank cover gas region. In addition, an electrochemical oxygen detector is located in the cold leg piping. The leak detection system is capable of detecting the presence of steam/water leaks on the order of 0.45 x 10/sup -5/ kg/sec or larger and of signaling within one to three minutes upon initiation of a leak, during normal operation. Operator action is taken upon receipt of a leak signal to shutdown the affected system, by closing steam/water isolation valves and depressurizing the affected unit.

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Pages: 23

Notes

Dep. NTIS, PC A02/MF A01.

Source

  • US/USSR steam generator seminar, Dimitrovgrad, USSR, 26 Jul 1976

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  • Report No.: CONF-760735-1
  • Grant Number: EY-76-C-15-2395
  • Office of Scientific & Technical Information Report Number: 5263346
  • Archival Resource Key: ark:/67531/metadc1067567

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 1, 1976

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 19, 2018, 1:48 p.m.

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Kruger, G.B.; Eng, K.Y. & Kelly, W.L. Leak detection system design and operating considerations for the US-CRBRP, article, January 1, 1976; United States. (https://digital.library.unt.edu/ark:/67531/metadc1067567/: accessed September 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.