Downcomer for chemical process tower
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United States of America Patent
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-
Dec 21, 1999
Issued Date -
N/A
app pub date -
Mar 3, 1997
filing date -
Oct 30, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved downcomer for vapor liquid contact towers. The downcomer is formed between generally semi-conical walls and the wall of the tower. The downcomer outlet is formed by the lower edge of the generally semi-conical walls and the wall of the tower with the lower edge of the generally semi-conical walls being closer to the wall of the tower at the center of the downcomer outlet than at the opposing end portions of the downcomer outlet so that more liquid flows through the opposing end portions of the downcomer outlet than through the center of the downcomer outlet thereby providing a substantially uniform flow of liquid across the tray adjacent the downcomer.
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