Reactor pressure vessel vented head

Details Reactor pressure vessel vented head Reactor pressure vessel vented head

1993-03-11

1994-01-11

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

Between pressure vessel cover and vessel or portion thereof

376294, G21C 1300

Patent

active

052788768

ABSTRACT:
A head for closing a nuclear reactor pressure vessel shell includes an arcuate dome having an integral head flange which includes a mating surface for sealingly mating with the shell upon assembly therewith. The head flange includes an internal passage extending therethrough with a first port being disposed on the head mating surface. A vent line includes a proximal end disposed in flow communication with the head internal passage, and a distal end disposed in flow communication with the inside of the dome for channeling a fluid therethrough. The vent line is fixedly joined to the dome and is carried therewith when the head is assembled to and disassembled from the shell.

REFERENCES:
patent: 3225956 (1965-12-01), Laming
patent: 3844883 (1974-10-01), Bevilacqua et al.
General Electric Company, "BWR/6 General Description of a Boiling Water Reactor," Sep. 1980, pp:i, ii, 1-1, 1-2, 2-1 to 2-3.
Partial, Cut-Away Drawing of a Reactor Pressure Vessel Head of Another Party Having An Internal Vent Line. Believed to be Drawn in 1975.

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