Fluidized catalyst vessels using sloping standpipes

Claim 1

AN APPARATUS COMPRISING IN COMBINATION A VERTICAL ELONGATED REACTION VESSEL, A SEPARATE VERTICAL ELONGATED REGENERATION VESSEL POSITIONED HORIZONTALLY ADJACENT TO SAID REACTION VESSEL, AN ELONGATED STRIPPING CHAMBER SITUATED WITHIN THE LOWER PORTION OF SAID REACTION VESSEL AND ARRANGED TO PROVIDE AN ANNULAR CHAMBER THEREWITH, THE UPPER END OF SAID STRIPPING CHAMBER BEING IN OPEN COMMUNICATION WITH THE UPPER PORTION OF SAID REACTION VESSEL, A PERFORATED GRID MEANS POSITIONED WITHIN THE LOWER PORTION OF SAID ANNULAR CHAMBER TO DIVIDE THE SAME INTO AN UPPER CHAMBER AND A LOWER CHAMBER, MEANS FOR TRANSFERRING FINELY DIVIDED CONTACT MATERIAL FROM SAID UPPER CHAMBER TO SAID STRIPPING CHAMBER, A FIRST TRANSFER CONDUIT SLOPING OBLIQUELY DOWNWARD FROM THE LOWER PORTION OF SAID STRIPPING CHAMBER AND IN OPEN COMMUNICATION THEREWITH, A FIRST FEED CHAMBER MEANS COMMUNICATED WITH THE FIRST TRANSFER CONDUIT AT A POINT BELOW THE REGENERATION CHAMBER, A FIRST SUBSTANTIALLY VERTICAL UPFLOW TRANSFER CONDUIT HAVING ITS LOWER END IN OPEN COMMUNICATION WITH THE FIRST FEED CHAMBER MEANS AND ITS UPPER END IN OPEN COMMUNICATION WITH THE LOWER PORTION OF SAID REGENERATION VESSEL, A FIRST HOLLOW STEM PLUG VALVE MEANS ARRANGED TO REGULATE THE FLOW OF FINELY DIVIDED SOLID CONTACT MATERIAL INTO THE LOWER END OF SAID FIRST UPFLOW CONDUIT FOR PASSAGE TO SAID REGENERATION VESSEL, A SECOND TRANSFER CONDUIT SLOPING OBLIQUELY DOWNWARD FROM THE LOWER PORTION OF SAID REGENERATION VESSEL AND IN OPEN COMMUNICATION THEREWITH, A SECOND FEED CHAMBER MEANS POSITIONED BELOW

Claim 2

AN APPARATUS COMPRISING IN COMBINATION A VERTICAL ELONGATED REACTION VESSEL, A SEPARATE VERTICAL ELONGATED REGENERATION VESSEL POSITIONED HORIZONTALLY ADJACENT TO SAID REACTION VESSEL, AN ELONGATED STRIPPING CHAMBER SITUATED WITHIN THE LOWER PORTION OF SAID REACTION VESSEL AND ARRANGED TO PROVIDE AN ANNULAR CHAMBER THEREWITH, THE UPPER END OF SAID STRIPPING CHAMBER BEING IN OPEN COMMUNICATION WITH THE UPPER PORTION OF SAID REACTION VESSEL, A PERFORATED GRID MEANS POSITIONED WITHIN THE LOWER PORTION OF SAID ANNULAR CHAMBER TO DIVIDE THE SAME INTO AN UPPER CHAMBER AND A LOWER CHAMBER, MEANS FOR TRANSFERRING FINELY DIVIDED CONTACT MATERIAL FROM SAID UPPER CHAMBER TO SAID STRIPPING CHAMBER, A FIRST TRANSFER CONDUIT SLOPING OBLIQUELY DOWNWARD FROM THE LOWER PORTION OF SAID STRIPPING CHAMBER AND IN OPEN COMMUNICATION THEREWITH, A FIRST FEED CHAMBER MEANS COMMUNICATED WITH THE FIRST TRANSFER CONDUIT AT A POINT BELOW THE REGENERATION CHAMBER, A FIRST SUBSTANTIALLY VERTICAL UPFLOW TRANSFER CONDUIT HAVING ITS LOWER END IN OPEN COMMUNICATION WITH THE FIRST FEED CHAMBER MEANS AND ITS UPPER END IN OPEN COMMUNICATION WITH THE LOWER PORTION OF SAID REGENERATION VESSEL, A FIRST HOLLOW STEM PLUG VALVE MEANS ARRANGED TO REGULATE THE FLOW OF FINELY DIVIDED SOLID CONTACT MATERIAL INTO THE LOWER END OF SAID FIRST UPFLOW CONDUIT FOR PASSAGE TO SAID REGENERATION VESSEL, A SECOND TRANSFER CONDUIT SLOPING OBLIQUELY DOWNWARD FROM THE LOWER PORTION OF SAID REGENERATION VESSEL AND IN OPEN COMMUNICATION THEREWITH, A SECOND FEED CHAMBER MEANS POSITIONED BELOW