Fluidized catalyst regeneration system

Claim 1

AN IMPROVED CATALYST DISTRIBUTION SYSTEM FOR USE IN SUPPLYING SPENT CATALYST AND REGENERATING GASES TO A REGENERATOR CHAMBER WHICH COMPRISES IN COMBINATION A VERTICALLY ELONGATED CONTACTING VESSEL, A DISTRIBUTION GRID ACROSS THE FLOW AREA OF SUCH VESSEL AND VERTICALLY SPACED FROM THE BOTTOM OF SAID VESSEL THEREBY PROVIDING A DISTRIBUTION CHAMBER BELOW THE REGENERATOR CHAMBER, FIRST DUCT MEANS SUPPLYING GASIFORM FLUIDS AND SOLIDS TO SAID DISTRIBUTION CHAMBER, SAID DUCT MEANS COMPRISING DUAL DUCTS PROJECTING THROUGH THE BOTTOM OF SAID CHAMBER AND DISCHARGING BELOW THE GRID AND IN PROXIMITY THERETO, A BAFFLE MEANS FIXED TO SAID GRID AND SUBSTANTIALLY IN ALIGNMENT WITH THE SAID DUCT MEANS, SAID DUAL DUCTS DISCHARGING GASIFORM FLUIDS AND CATALYST ONTO SAID BAFFLE, SECOND DUCT MEANS SUPPLYING AUXILIARY GASIFORM FLUID TO SAID DISTRIBUTION CHAMBER NEAR THE BOTTOM THEREOF AND ADAPTED TO RESUSPEND SOLIDS DEFLECTED BY SAID BAFFLE, SAID SECOND DUCT AND SAID BAFFLE BEING IN SUBSTANTIALLY VERTICAL ALIGNMENT, A THIRD DUCT MEANS DISCHARGING LATERALLY INTO SAID DISTRIBUTION CHAMBER IN THE UPPER PART THEREOF BELOW SAID BAFFLE, A COOLER ON SAID THIRD DUCT MEANS, AND FOURTH DUCT MEANS CONVEYING CATALYST DOWNWARDLY FROM SAID DISTRIBUTION CHAMBER INTO SAID THIRD DUCT MEANS WHEREBY CATALYST IS COOLED AND RECIRCULATED TO THE DISTRIBUTION CHAMBER.