System and method for crevice cleaning in steam generators
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United States of America Patent
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Issued Date -
Jul 23, 2009
app pub date -
Jan 18, 2008
filing date -
Jan 18, 2008
priority date (Note) -
Abandoned
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Abstract
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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