Utilization of heat of finely divided solids

Claim 1

A METHOD OF PRECONDITIONING SUBDIVIDED SOLIDS SUBJECTED TO A HIGH TEMPERATURE TREATMENT IN A HIGH TEMPERATURE TREATING ZONE WHICH COMPRISES WITHDRAWING A STREAM OF HOT SUBDIVIDED SOLIDS FROM SAID TREATING ZONE, PASSING SAID STREAM INTO A SEPARATE HEAT EXCHANGE ZONE, PASSING FLUIDIZING VAPORS UPWARDLY THROUGH SAID HEAT EXCHANGE ZONE AT A RATE ADJUSTED TO MAINTAIN THE SOLIDS THEREIN IN A DENSE, TURBULENT, FLUIDIZED STATE, MAINTAINING A BED OF SUBDIVIDED FRESH SOLIDS TO BE PRECONDITIONED IN A HEATING ZONE, PASSING A GASIFORM MEDIUM UPWARDLY THROUGH SAID BED AT A RATE ADAPTED TO MAINTAIN SAID BED IN A DENSE, TURBULENE, FLUIDIZED STATE, TRANSFERRING A PORTION OF THE SENSIBLE HEAT OF THE SOLIDS FROM SAID HEAT EXCHANGE ZONE TO SAID BED TO SUPPLY HEAT TO THE SOLIDS THEREIN BY FIRST TRANSFERRING HEAT FROM SAID SOLIDS TO A HEAT TRANSFER FLUID MEDIUM AND THEREAFTER BRINGING SAID HEAT TRANSFER MEDIUM INTO INDIRECT HEAT EXCHANGE RELATIONSHIP WITH THE SAID BED IF SUBDIVIDED FRESH SOLIDS, PASSING PRECONDITIONED SUBDIVIDED SOLIDS FROM SAID BED TO SAID TREATING ZONE, PASSING SUBDIVIDED HOT SOLIDS OF REDUCED TEMPERATURE FROM SAID HEAT EXCHANGE ZONE TO A COOLING ZONE, INJECTING A VAPORIZABLE LIQUID INTO SAID COOLING ZONE WHILE THE SOLIDS IN SAID COOLING ZONE ARE ABOVE THE VAPORIZATION TEMPERATURE OF SAID LIQUID, WHEREBY SAID SOLIDS ARE FURTHER COOLED AND THE LIQUID IS VAPORIZED TO PRODUCE SAID FLUIDIZING VAPORS, AND WITHDRAWING COOLED SOLIDS FROM SAID COOLING ZONE.

Claim 2

A METHOD OF PRECONDITIONING SUBDIVIDED SOLIDS SUBJECTED TO A HIGH TEMPERATURE TREATMENT IN A HIGH TEMPERATURE TREATING ZONE WHICH COMPRISES WITHDRAWING A STREAM OF HOT SUBDIVIDED SOLIDS FROM SAID TREATING ZONE, PASSING SAID STREAM INTO A SEPARATE HEAT EXCHANGE ZONE, PASSING FLUIDIZING VAPORS UPWARDLY THROUGH SAID HEAT EXCHANGE ZONE AT A RATE ADJUSTED TO MAINTAIN THE SOLIDS THEREIN IN A DENSE, TURBULENT, FLUIDIZED STATE, MAINTAINING A BED OF SUBDIVIDED FRESH SOLIDS TO BE PRECONDITIONED IN A HEATING ZONE, PASSING A GASIFORM MEDIUM UPWARDLY THROUGH SAID BED AT A RATE ADAPTED TO MAINTAIN SAID BED IN A DENSE, TURBULENE, FLUIDIZED STATE, TRANSFERRING A PORTION OF THE SENSIBLE HEAT OF THE SOLIDS FROM SAID HEAT EXCHANGE ZONE TO SAID BED TO SUPPLY HEAT TO THE SOLIDS THEREIN BY FIRST TRANSFERRING HEAT FROM SAID SOLIDS TO A HEAT TRANSFER FLUID MEDIUM AND THEREAFTER BRINGING SAID HEAT TRANSFER MEDIUM INTO INDIRECT HEAT EXCHANGE RELATIONSHIP WITH THE SAID BED IF SUBDIVIDED FRESH SOLIDS, PASSING PRECONDITIONED SUBDIVIDED SOLIDS FROM SAID BED TO SAID TREATING ZONE, PASSING SUBDIVIDED HOT SOLIDS OF REDUCED TEMPERATURE FROM SAID HEAT EXCHANGE ZONE TO A COOLING ZONE, INJECTING A VAPORIZABLE LIQUID INTO SAID COOLING ZONE WHILE THE SOLIDS IN SAID COOLING ZONE ARE ABOVE THE VAPORIZATION TEMPERATURE OF SAID LIQUID, WHEREBY SAID SOLIDS ARE FURTHER COOLED AND THE LIQUID IS VAPORIZED TO PRODUCE SAID FLUIDIZING VAPORS, AND WITHDRAWING COOLED SOLIDS FROM SAID COOLING ZONE.