Device for thermal protection of a component of a fast-neutron nuclear reactor
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United States of America Patent
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Jun 30, 1987
Grant Date -
N/A
app pub date -
Oct 29, 1984
filing date -
Oct 28, 1983
priority date (Note) -
Expired
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Abstract
The invention relates to a device for thermal protection of a component of a fast-neutron nuclear reactor consisting of at least one shell (10, 11) of a diameter smaller than the diameter of the passage (2) for the component (4) but greater than the diameter of the component (4). The length of the shell (10, 11) fixed under the flange (5) of the component (4) is greater than the slab thickness (1). Circulation of blanket gas (13) is established in the annular space (7) between the component (4) and the passage (2). The invention applies in particular to nuclear reactors cooled with liquid sodium whose upper level is under an argon blanket.
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