Patent ID: 6451173
Filing Date: 2002-09-17
Classification: B01D,Y10S

Abstract:
A separator comprising:a closed vessel having an inside wall, an upper portion, a lower portion, and an intermediate portion disposed between the lower portion and the upper portion, said lower portion of said closed vessel having an opening in said inside wall; at least one fractionation tray disposed within said intermediate portion of said vessel, said at least one fractionation tray including a bottom tray having an upper surface; a first conduit extending through and downwardly from said bottom tray into said lower portion of said closed vessel and connecting said lower portion of said closed vessel and said intermediate portion of said closed vessel in fluid flow communication, said first conduit having a longitudinal axis, an inner surface, an open top end spatially located above the upper surface of said bottom tray, an open bottom end spatially located below said bottom tray and an opening in said inner surface intermediate said open top end and said open bottom end; and a second conduit having a longitudinal axis, an open first end, an open second end spatially located below said open first end, and an outside surface, said open first end of said second conduit disposed within said first conduit, wherein said open first end of said second conduit opens generally in the direction of and below said open top end of said first conduit, said open second end of said second conduit extends through said opening in said inner surface of said first conduit and said open second end of said second conduit further extends through said opening in said inside wall of said lower portion of said closed vessel, said outside surface of said open second end of said second conduit being in sealing engagement with said opening in said inner surface of said first conduit, and said outside surface of said open second end of said second conduit being in sealing engagement with said opening in said inside wall of said lower portion of said closed vessel.