System and method for crevice cleaning in steam generators

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United States of America Patent

APP PUB NO 20090183694A1
SERIAL NO

12009388

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method is provided for cleaning crevices between a plurality of tubes and a plurality of tube support plates supporting the tubes in a steam generator. The steps include filling a secondary side of the steam generator with a solvent to a first level above a first tube support plate to be cleaned, draining the solvent to a second level lower than the first tube support plate, and refilling the secondary side of the steam generator with the solvent to a third level above the first tube support plate. A cleaning system is also provided.

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Patent Owner(s)

Patent OwnerAddress
AREVA NP INC3315 OLD FOREST ROAD LYNCHBURG VA 24501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Evans, Sarah E Lynchburg , US 3 9
Remark, John F Lynchburg , US 6 66

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