Method and apparatus to improve vapor distribution in mass transfer and heat exchange columns
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United States of America Patent
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Feb 25, 1997
Issued Date -
N/A
app pub date -
Feb 21, 1996
filing date -
Aug 4, 1993
priority date (Note) -
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Abstract
A mass transfer or heat exchange column is provided with a vapor distributor which circulates a vapor stream about the inner periphery of the column. The vapor stream is discharged from the distributor through an at least partially open bottom and, optionally, a plurality of spaced apart outlet ports in an inner annular wall of the distributor. A deflector extends upwardly along the inner annular wall to deflect the vapor stream away from a circumferential flow path along the inward face of the wall. The deflector may also extend outwardly under the flow channel to deflect, in a radially inward direction, vapor exiting the flow channel through the open bottom of the distributor.
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