Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Shield or barrier between radiation or heat source and...
Patent
1983-03-07
1985-12-24
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Shield or barrier between radiation or heat source and...
376404, G21C 102, G21C 132
Patent
active
045605300
ABSTRACT:
A device for providing protection against heat and radiation for an intermediate heat exchanger immersed in the vessel of a nuclear reactor. In its upper part, the exchanger has an inner sleeve (8a) inside which a liquid metal circulates, and an outer sleeve (8b), these sleeves being joined by a Y-shaped connector (25). A peripheral space is provided around the outer sleeve (8b), inside the passage (3) through the slab (2) covering the reactor vessel. The protection device comprises a sleeve (27) fixed under the flange (18) and carrying, in its lower part, a solid piece (30) occupying the greater part of the peripheral space around the sleeve (8b). In its upper part, under the flange (18), the sleeve (27) carries a heat insulation means (32) of annular shape. The Y-shaped connector (25) is located in the central part of the sleeve (27), between the solid piece (30) and the heat insulation means (32). The invention is applicable, in particular, to fast neutron nuclear reactors cooled by liquid sodium.
REFERENCES:
patent: 3764468 (1973-10-01), Hind
patent: 3822186 (1974-07-01), Rajakovics
patent: 3888730 (1975-06-01), Jackson
patent: 4035232 (1977-07-01), Kube
patent: 4331512 (1982-05-01), Facha et al.
patent: 4357297 (1982-11-01), Dupen
patent: 4377552 (1983-03-01), Doublet et al.
Pierrey Jean-Louis
Thevenin Michel
Kyle Deborah L.
Novatome
Wendtland Richard W.
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