Induced nuclear reactions: processes – systems – and elements – Nuclear transmutation – By neutron bombardment
Patent
1984-09-07
1987-02-24
Behrend, Harvey E.
Induced nuclear reactions: processes, systems, and elements
Nuclear transmutation
By neutron bombardment
376404, 376406, 376402, G21C 1500, G21D 100
Patent
active
046456333
ABSTRACT:
A double tank type fast breeder reactor including a reactor vessel, and a tank of a secondary cooling system located outside the reactor vessel. The reactor vessel contains a core and installations of a primary cooling system, and the tank contains circulation pumps of the secondary cooling system and steam generators alternately located in the tank, and a body of sodium serving as a secondary coolant located at outer peripheries of the circulation pumps and steam generators. The tank includes an annular portion defined in the tank between walls of the tank and reactor vessel serving as a path of circulation of the secondary coolant. Each steam generator is small in width and has a shroud surrounding heat transfer tubes defining a narrow annulus between one side wall thereof and the reactor vessel and another narrow annulus between an opposite side wall thereof and the tank, and each circulation pump of the secondary cooling system has a shroud defining a narrow annulus between one side wall thereof and the reactor vessel and another narrow annulus between an opposite side wall thereof and the tank.
REFERENCES:
patent: 4186049 (1980-01-01), Blum et al.
patent: 4362694 (1982-12-01), Kayser
Behrend Harvey E.
Central Research Institute of Electric Power Industry, Toshiba
Hitachi , Ltd.
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