Water cooled nuclear reactor and pressurizer assembly

Details Water cooled nuclear reactor and pressurizer assembly Water cooled nuclear reactor and pressurizer assembly

1989-04-06

1991-10-01

Stoll, Robert L.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376307, 376361, 376367, G21C 1500

Patent

active

050531905

ABSTRACT:
A water cooled nuclear reactor comprises a reactor core, a primary water coolant circuit and a pressurizer arranged as an integral unit in a pressure vessel. The pressure vessel is divided into an upper chamber and a lower chamber by a casing, the reactor core and primary coolant circuit are arranged in the lower chamber and the pressuriser is arranged in the upper chamber.
A plurality of pipes interconnect a steam space of the pressuriser with an upper portion of the primary coolant circuit via ports in the casing. A plurality of re-entrant surge ports interconnect a water space of the pressuriser with a lower portion of the primary coolant circuit. The surge ports have low flow resistance for water from the water space to the primary coolant circuit and high flow resistance in the opposite direction.

REFERENCES:
patent: 3245881 (1962-07-01), Ammon et al.
patent: 3607634 (1971-09-01), Gerard et al.
patent: 4021301 (1977-05-01), Frei
patent: 4470948 (1984-09-01), Aanstad et al.
patent: 4473528 (1984-09-01), Kleimola
patent: 4717532 (1988-01-01), Schwab
patent: 4728486 (1988-03-01), Kish
patent: 4753771 (1988-06-01), Conway et al.
patent: 4897240 (1990-01-01), Sako

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