Foreign object separator for a reactor cooling system

Details Foreign object separator for a reactor cooling system Foreign object separator for a reactor cooling system

1991-02-01

1991-12-24

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Orifice or fluid control at inlet or outlet of coolant channels

376395, 376310, 376316, 376399, 376461, G21C 104

Patent

active

050750739

ABSTRACT:
A nuclear reactor includes a spaced sidewall and a core shroud defining a flow passage for channeling a coolant. A foreign object separator includes an arcuate endwall extending from the sidewall, with the core shroud including an intermediate portion spaced from the endwall to define an annular inlet for receiving coolant from the flow passage. The core shroud also includes a distal end spaced from the endwall to define a throat. A separator member has a proximal end joined to the endwall, and a distal end spaced from the core shroud to define an outlet. The distal end of the separator is spaced from its proximal end for allowing the coolant from the throat to impinge against the separator member for turning the coolant prior to discharge from the outlet and using centrifugal force to separate any foreign objects of predetermined size from the coolant. The separated foreign objects are retained adjacent to the separator member proximal end.

REFERENCES:
patent: 4062724 (1977-12-01), Broadley
patent: 4243485 (1981-01-01), Chabin
patent: 4634525 (1987-01-01), Yant
patent: 4657730 (1987-04-01), Blaushild et al.
patent: 4716012 (1987-12-01), Gasparro et al.
D. R. Wilkins et al., "Advanced BWR: Design Improvements Build on Proven Technology", Nuclear Engineering International, reprint of Jun. 1986; cover, pp. 1-7, and drawing labelled The World's Reactors No. 89.

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