Method of indurating ore particles

Claim 1

THE METHOD OF HARDENING AND STRENGTHENING MOIST, GREEN PELLETS OF ORE-BEARING PARTICLES, WHICH COMPRISES; CONTINUOUSLY DEPOSITING SAID PELLETS IN A SUBSTANTIALLY UNIFORM BED ON A GAS-PERMEABLE, TRAVELING GRATE CONVEYOR AND FEEDING SUCCESSIVELY THROUGH DRYING, COMBUSTION HEATING, INDURATING REACTION AND COOLING AND REACTION ZONES, GENERATING HEATED GASES IN SAID COMBUSTION HEATING ZONE AND PASSING THROUGH SAID BED THREAT TO HEAT SAID PELLETS, PASSING COOL AIR THROUGH SAID BED IN SAID COOLING AND REACTION ZONE TO COOL SAID BED AND HEAT SAID AIR, PASSING A SUBSTANTIAL PORTION OF SAID HEATED AIR THROUGH SAID BED IN SAID INDURATING REACTION ZONE AND THENCE THROUGH SAID BED IN SAID DRYING ZONE, PASSING A SUBSTANTIAL PORTION OF THE HEATED AIR FROM SAID COOLING AND REACTION ZONE TO SAID COMBUSTION HEATING ZONE TO SUPPLEMENT THE HEAT OF THE GASES PASSED THROUGH SAID BED THEREAT, AND ADJUSTING THE TEMPERATURE AND THE RATE OF FLOW OF THE HEATED GASES PASSED THROUGH SAID BED IN SAID COMBUSTION HEATING ZONE AND THE RATES OF FLOW OF SAID GASES PASSED THROUGH SAID BED IN SAID COOLING AND REACTION, INDURATING REACTION AND DRYING ZONES, TO DRY SAID PELLETS IN SAID DRYING ZONE, TO INITIATE INDURATION OF SAID PELLETS IN SAID COMBUSTION HEATING ZONE, TO CONTINUE THE INDURATION OF SAID PELLETS IN SAID INDURATING REACITON ZONE AND TO COMPLETE INDURATION OF SAID PELLETS AND COOL SAID PELLETS IN SAID COOLING AND REACTION ZONE.

Claim 2

THE METHOD OF HARDENING AND STRENGTHENING MOIST, GREEN PELLETS OF ORE-BEARING PARTICLES, WHICH COMPRISES; CONTINUOUSLY DEPOSITING SAID PELLETS IN A SUBSTANTIALLY UNIFORM BED ON A GAS-PERMEABLE, TRAVELING GRATE CONVEYOR AND FEEDING SUCCESSIVELY THROUGH DRYING, COMBUSTION HEATING, INDURATING REACTION AND COOLING AND REACTION ZONES, GENERATING HEATED GASES IN SAID COMBUSTION HEATING ZONE AND PASSING THROUGH SAID BED THREAT TO HEAT SAID PELLETS, PASSING COOL AIR THROUGH SAID BED IN SAID COOLING AND REACTION ZONE TO COOL SAID BED AND HEAT SAID AIR, PASSING A SUBSTANTIAL PORTION OF SAID HEATED AIR THROUGH SAID BED IN SAID INDURATING REACTION ZONE AND THENCE THROUGH SAID BED IN SAID DRYING ZONE, PASSING A SUBSTANTIAL PORTION OF THE HEATED AIR FROM SAID COOLING AND REACTION ZONE TO SAID COMBUSTION HEATING ZONE TO SUPPLEMENT THE HEAT OF THE GASES PASSED THROUGH SAID BED THEREAT, AND ADJUSTING THE TEMPERATURE AND THE RATE OF FLOW OF THE HEATED GASES PASSED THROUGH SAID BED IN SAID COMBUSTION HEATING ZONE AND THE RATES OF FLOW OF SAID GASES PASSED THROUGH SAID BED IN SAID COOLING AND REACTION, INDURATING REACTION AND DRYING ZONES, TO DRY SAID PELLETS IN SAID DRYING ZONE, TO INITIATE INDURATION OF SAID PELLETS IN SAID COMBUSTION HEATING ZONE, TO CONTINUE THE INDURATION OF SAID PELLETS IN SAID INDURATING REACITON ZONE AND TO COMPLETE INDURATION OF SAID PELLETS AND COOL SAID PELLETS IN SAID COOLING AND REACTION ZONE.