Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within... – Fuel component
Patent
1992-02-24
1995-05-02
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
Fuel component
376205, G21C 1900
Patent
active
054127009
ABSTRACT:
A method of refueling a nuclear reactor whereby the drive mechanism is disengaged and removed by activating a jacking mechanism that raises the closure head. The area between the barrier plate and closure head is exhausted through the closure head penetrations. The closure head, upper drive mechanism, and bellows seal are lifted away and transported to a safe area. The barrier plate acts as the primary boundary and each drive and control rod penetration has an elastomer seal preventing excessive tritium gases from escaping. The individual instrumentation plugs are disengaged allowing the corresponding fuel assembly to be sealed and replaced.
REFERENCES:
patent: 3462345 (1969-08-01), Jabsen
patent: 4195457 (1980-04-01), Kissling et al.
Gillett James E.
Meuschke Robert E.
Anderson Thomas G.
Glenn Hugh
Moser William R.
The United States of America as represented by the United States
Wasil Daniel D.
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