Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...
Patent
1989-03-20
1990-08-14
Wasil, Daniel
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
376214, G21C 1900
Patent
active
049493639
ABSTRACT:
A liquid metal nuclear reactor has a sodium tank, having a closed arcuate bottom and upstanding cylindrical wall for containing a reactor core in a pool of liquid metal coolant, which is disposed in a guard tank having a bottom and upwardly extending cylindrical shell, and a support inside the guard tank adjacent the closed bottom of the sodium tank to support the two tanks in spaced relationship to each other. Support legs are also provided about the bottom periphery of the guard tank adapted to rest on a base mat of a reactor cavity. The bottom of the guard tank may be a closed arcuate shape, or the bottom may be a flat bottom wall that rests on the base mat with the cylindrical shell divided into two radially spaced sections, with a pool of lead-bismuth alloy provided on the bottom to seal the spaces between the two shell sections at the lower region thereof.
The pool of lead-bismuth alloy provided on the flat bottom wall of the guard tank contacts the bottom of the sodium tank to aid in preheating the same and providing a supporting and dampening effect therefor.
REFERENCES:
patent: 4036688 (1972-07-01), Golden et al.
patent: 4045286 (1977-08-01), Blum et al.
patent: 4495137 (1985-01-01), Otsubo
patent: 4645633 (1987-02-01), Hattori
patent: 4767593 (1988-08-01), Wedellsborg
patent: 4859402 (1989-08-01), Tupper et al.
Brown Gedney B.
Dhalla Asfandiar K.
Livingston Julie M.
Mangus James D.
Sharbaugh John E.
Wasil Daniel
Westinghouse Electric Corp.
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