Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Auxiliary heat removal structure
Patent
1985-12-02
1987-07-07
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Auxiliary heat removal structure
376293, 376299, G21C 1518
Patent
active
046786260
ABSTRACT:
In a modular liquid-metal pool breeder reactor, a radiant vessel auxiliary cooling system is disclosed for removing the residual heat resulting from the shutdown of a reactor by a completely passive heat transfer system. A shell surrounds the reactor and containment vessel, separated from the containment vessel by an air passage. Natural circulation of air is provided by air vents at the lower and upper ends of the shell. Longitudinal, radial and inwardly extending fins extend from the shell into the air passage. The fins are heated by radiation from the containment vessel and convect the heat to the circulating air. Residual heat from the primary reactor vessel is transmitted from the reactor vessel through an inert gas plenum to a guard or containment vessel designed to contain any leaking coolant. The containment vessel is conventional and is surrounded by the shell.
REFERENCES:
patent: 4061534 (1977-12-01), Jackson
patent: 4464334 (1984-08-01), Artaud et al.
patent: 4508677 (1985-04-01), Craig et al.
Neylan, The Multicavity PCRV, Nuclear Engineering International, Aug. 1974, pp. 652-655.
General Electric Company
James, Jr. Ivor J.
Kyle Deborah L.
Simkins Raymond G.
Wendtland Richard W.
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