Natural circulation reactor

Details Natural circulation reactor Natural circulation reactor

1989-06-09

1992-02-25

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Emergency core coolant systems

376299, 376328, G21C 1518

Patent

active

050911430

ABSTRACT:
The invention is directed to a natural circulation reactor having a reactor pressure vessel with a core housed therein, the core being disposed in such a location that a top portion of the core is submerged under coolant even in the event that any pipe connected to the reactor pressure vessel is broken and then a coolant level in the reactor pressure vessel is lowered due to flushing. This permits the reactor core to be submerged under coolant even in the event of breakage of any pipe connected to the reactor pressure vessel, ensuring to eliminate a possibility that the top portion of the reactor core is exposed temporarily during an intermediate period before actuation of an accumulated coolant injection system to start injecting of the coolant into the reactor pressure vessel after the end of flushing.

REFERENCES:
patent: 4022655 (1977-05-01), Gauditz et al.
patent: 4363780 (1982-12-01), Hannerz
patent: 4526742 (1985-07-01), Hannerz
patent: 4696791 (1987-09-01), Straub
patent: 4793964 (1988-12-01), Fajeau
Japanese Nuclear Society, "Annual Meeting of 1987", E44, Apr. 1-3.
Nuclear Reactor Engineering, Glasstone et al., 1981.

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