Discharge tube for inhibiting stratification in feedwater headers of a steam generator
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United States of America Patent
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-
Mar 5, 1985
Grant Date -
N/A
app pub date -
May 14, 1984
filing date -
May 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nuclear steam generator having a feedwater ring disposed in the upper portion of the steam generator above the tubes, the feedwater header having a plurality of J-shaped discharge nozzles, some of which are in fluid communication with the upper portion of the feedwater ring header and others being in fluid communication with the lower portion of the feedwater ring header, those in fluid communication with the lower portion of the feedwater ring header having a discharge elevation lower than those in fluid communication with the upper portion of the feedwater header so that during low feedwater flow operation feedwater is fed from the lower portion of the feedwater header removing cold water therefrom and promoting mixing of the feedwater in the header in order to reduce stratification of feedwater therein.
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