APPARATUS AND METHOD FOR SUPERHEATED VAPOR CONTACTING AND VAPORIZATION OF FEEDSTOCKS CONTAINING HIGH BOILING POINT AND UNVAPORIZABLE FOULANTS IN AN OLEFINS FURNACE

摘要

A CONTACTOR/SEPARATOR (25) IS FORMED FROM A VESSEL; AN INLET (21A) FOR RECEIVING A VAPOR/LIQUID MIXTURE; AN INLET (20A) FOR RECEIVING A SUPERHEATED VAPOUR (20); A HUB (40) LOCATED WITHIN THE VESSEL, THE HUB (40) INCLUDING A PLURALITY OF VANES (41) FOR IMPARTING A CENTRIFUGAL MOTION TO THE VAPOR/LIQUID MIXTURE OR THE SUPERHEATED VAPOUR (20); AN OUTLET (26A) IN A BOTTOM OF THE VESSEL FOR REMOVING LIQUID; AND AN OUTLET (27A) FOR REMOVING VAPOR (20) FROM THE VESSEL. A METHOD IS ALSO PROVIDED FOR HEATING AND SEPARATING LIQUID AND VAPOR FROM A HYDROCARBON FEEDSTOCK COMPRISING INTRODUCING A HYDROCARBON FEEDSTOCK INTO A CONTACTOR/SEPARATOR (25): INTRODUCING A SUPERHEATED VAPOR INTO THE CONTACTOR/SEPARATOR (25) SUCH THAT IT CONTACTS AND VAPORIZES A PORTION OF THE FEEDSTOCK WITHIN THE CONTACTOR/SEPARATOR (25); SEPARATING UNVAPORIZED FEEDSTOCK FROM VAPORIZED FEEDSTOCK IN THE CONTACTOR/SEPARATOR (25); REMOVING THE VAPORIZED FEEDSTOCK AND THE SUPERHEATED VAPOR (20) THROUGH A FIRST OUTLET; AND REMOVING THE UNVAPORIZED FEEDSTOCK THROUGHA SECOND OUTLET.