Sodium cooled fast reactor

Details Sodium cooled fast reactor Sodium cooled fast reactor

1992-10-01

1993-11-23

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376361, 376290, 376298, G21C 1500

Patent

active

052651363

ABSTRACT:
A sodium cooled fast ractor comprises a reactor vessel in which a liquid metal coolant is accommodated, a core disposed substantially a lower central portion of the reactor vessel in an installed state, a core support structure secured to the reactor vessel for supporting the core, the core support structure dividing an interior of the reactor vessel into a high-pressure plenum below the core and a low-pressure plenum above the high-pressure plenum, a circulation pump unit for applying a discharge pressure to the liquid metal coolant and circulating the same, and an intermediate heat exchanger for performing a heat exchanging operation of the coolant in the reactor vessel. The circulation pump unit is composed of an electromagnetic circulation pump provided with a discharge port and a closed gas space, which is filled up with a closed gas, defined above and communicated with the discharge port. The discharge port is also communicated with the high-pressure plenum, wherein the liquid metal coolant above the discharge port flows into the high-pressure plenum by the discharge gas pressure of the gas accummulated in the closed gas space by the actuation of the electromagnetic circulation pump at a time of trip thereof.

REFERENCES:
patent: 4526742 (1985-07-01), Hannerz
patent: 4698201 (1987-10-01), Masse
patent: 4767594 (1988-08-01), Hunsbedt
patent: 4927597 (1990-05-01), Cros
patent: 5013521 (1991-05-01), Azarian
patent: 5021211 (1991-06-01), Hunsbedt et al.

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