Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Shield or barrier between radiation or heat source and...
Patent
1986-09-26
1988-07-26
Jordan, Charles T.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Shield or barrier between radiation or heat source and...
376377, 376389, 376399, G21C 1502
Patent
active
047598980
ABSTRACT:
In a liquid metal-cooled fast neutron nuclear reactor which has a vessel sealed by a horizontal slab on which is suspended a core cover plug, the lower part of said plug comprises a deflecting grid, optionally duplicated by a thermal protection grid. Each of the grids is formed from a peripheral plate and modular plates defining between them passages for the liquid metal. The peripheral plates can be fixed to a perforated part of an external ferrule or can be suspended on a core cover plate by tie bolts and/or by certain of the control rod guidance sleeves. The modular plates are fixed to the other sleeves and traversed by sodium sampling tubes and tubes for housing thermocouples.
REFERENCES:
patent: 4309252 (1982-01-01), Gilroy
Nuclear Technology, vol. 68, No. 2, Feb. 1985, pp. 135-145, La Grange Prk, Ill., US: J. Branchu et al.: "Superphenix 1 Reactor Block Fabrication".
Commissariat a l''Energie Atomique
Jordan Charles T.
Wendtland Richard W.
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