LOCALIZED VACUUM REMOVAL OF STEAM GENERATOR DEPOSITS
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 14, 2013
filing date -
Mar 14, 2013
priority date (Note) -
Abandoned
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Abstract
A method of cleaning sludge from the top of tube sheet (34′) of a nuclear steam generator (10) includes introducing a moveable suction apparatus (120) having attached vacuum inlets (148), said moveable suction apparatus introduced through handholes (62) in the side of the generator and into either the no tube lane (60) or the circumferential annulus, and sludge vacuuming the top of the tube sheet (34′).
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