Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Patent
1990-05-29
1992-03-03
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Including application of electrical radiant or wave energy...
134 14, 134 34, 134 37, B08B 500
Patent
active
050923552
ABSTRACT:
Method is disclosed herein for removing debris from nuclear fuel assemblies which have been in service in a nuclear reactor. The method generally comprising immersing the fuel assembly in a pool of water which may be the cask loading pit of a nuclear facility, securing the fuel assembly in a spent fuel rack, enveloping the spent fuel rack in a rectangular sleeve in order to isolate the water surrounding the fuel assembly from the balance of the water in the cask loading pit, and discharging a series of pressure pulses into the isolated water from a pressure pulse source to create shock waves that exert momentary forces on the fuel rods sufficient to dislodge debris therefrom but insufficient to create a liftoff between the fuel rods and the spring fingers of the grids which retain them within the fuel assembly.
REFERENCES:
patent: 2857922 (1951-10-01), Effinger
patent: 3180418 (1961-08-01), MacLeod
patent: 3409470 (1968-06-01), Karpovich
patent: 4071376 (1978-01-01), McNeer
patent: 4461650 (1984-07-01), Ozawa
patent: 4492113 (1985-01-01), Weatherholt
patent: 4645542 (1987-02-01), Scharton et al.
patent: 4655846 (1987-04-01), Scharton et al.
patent: 4699665 (1987-10-01), Scharton et al.
patent: 4728368 (1988-03-01), Pedziwiatr
patent: 4756770 (1988-07-01), Weems et al.
patent: 4773357 (1988-09-01), Scharton et al.
Cadwell Dennis J.
Franklin Richard D.
Chaudhry Saeed
Morris Theodore
Westinghouse Electric Corp.
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