Reactor vessel head area monitoring system

Details Reactor vessel head area monitoring system Reactor vessel head area monitoring system

1988-08-31

1989-08-15

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Optics

376249, 376250, 358100, G21C 1700

Patent

active

048572616

ABSTRACT:
System provides a positive verification of the presence of a reactor coolant leak in the reactor vessel head area, identifies its location, and enables its size to be determined. A series of video cameras 28 strategically placed about the shroud 16 on the vessel head 13 provide complete viewing coverage. Variable intensity halogen lamps 46, 47 provide illumination for the area to be inspected. The equipment is specially adapted for use in a highly irradiated environment. The system 25 allows for inspection of the reactor vessel head area without the need for shutting down the plant.

REFERENCES:
patent: 4518560 (1985-05-01), Takaku et al.
patent: 4591996 (1986-05-01), Vachon
patent: 4643867 (1987-02-01), Hornak et al.
patent: 4656509 (1987-04-01), Matsuyama et al.
patent: 4688087 (1987-08-01), Ams et al.
patent: 4724479 (1988-02-01), Schmalfuss et al.
patent: 4787715 (1988-11-01), Ahmed et al.

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