Boiling water reactor with staggered chimney

Details Boiling water reactor with staggered chimney Boiling water reactor with staggered chimney

1991-10-15

1993-01-19

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376370, 376371, G21C 1500, G21C 1516

Patent

active

051805472

ABSTRACT:
A natural circulation boiling water reactor system comprises a reactor vessel enclosing a reactor core, for generating steam to drive a turbine which can drive a generator to generate electricity. The vessel includes a chimney for guiding the recirculating water and steam vertically above the core and a dryer for helping to remove water from steam exiting the vessel toward the turbine. In contrast to prior reactor systems, the chimney is height-staggered so that its central sections are taller than its peripheral sections. Likewise, a dryer is elevation-staggered. This staggering minimizes carryover, water in the steam flow to the turbine, and carryunder, steam in the water recirculating through the core. In addition, the staggered chimney causes the fastest recirculation flow through the hottest portions of the core. The overall effect is a more efficient reactor system.

REFERENCES:
patent: 2994657 (1961-08-01), Petrick
patent: 3087881 (1963-04-01), Treshow
patent: 3098812 (1963-07-01), Treshow
patent: 3113916 (1963-12-01), Abbott
patent: 3180802 (1965-04-01), West et al.
patent: 3226300 (1965-12-01), Zmola et al.
patent: 3247650 (1966-04-01), Kornbichler
patent: 3284312 (1966-11-01), West

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