Gas separation – With guide means effecting removal of constituent layer out... – At escape means for heavier constituent
Patent
1996-08-01
1998-04-28
Smith, Duane S.
Gas separation
With guide means effecting removal of constituent layer out...
At escape means for heavier constituent
55397, 55423, 55424, 55453, 55456, 55457, 95269, B01D 4512
Patent
active
057439265
ABSTRACT:
A portion of the feed line to a distilling column/flasher (or the like apparatus) is used as a flow-through cyclone to separate vapor and liquid components of the feed. Vortex flow is induced in the flasher feed line with a swirl vane assembly having drainage slots in the bottommost portion thereof for preventing entrapment of liquids therein. A shave-off device at the discharge end of the flasher feed line minimizes re-entrainment. The shave-off device includes a short cylinder, slightly smaller in diameter than the feed line and arranged coaxially therewith to form an annulus, which leads to a circular liquid collection chamber and collection chute draining into the flasher unit. Covers are removable for cleaning. The purpose of the shave-off device is to remove the liquids from the wall of the transfer (flasher feed) line in such a way that re-entrainment of liquids is minimized. The non-intrusive nature of the shave-off device minimizes vapor phase pressure drop.
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L. Z. Condry, W. F. Lawrence, and R. Muter, Coal Research Bureau of West Virginia University, Morgantown, West Virginia. !
Bannon, deceased Robert Patrick
Chan Pui-Yuen Jeffrey
Kaushik Krishna Rangraj
Kief William David
Stein Louis Edward
Shell Oil Company
Smith Duane S.
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