Carbon black furnace and operation

Claim 2

IN A CARBON BLACK FURNACE OF THE PRECOMBUSTION TYPE, WHICH HAS A GENERALLY CYLINDIRCAL PRECOMBUSTION CHAMBER, MEANS FOR INTRODUCING AXIALLY INTO SAID CHAMBER A FUEL TO BE CONVERTED TO CARBON BLACK, A TUNNEL, TANGENTIALLY DISPOSED WITH RESPECT TO AND COMMUNICATING WITH SAID PRECOMBUSTION CHAMBER, IN WHICH COMBUSTION GASES ARE GENERATED AND FROM WHICH SAID GASES ARE DISCHARGED INTO SAID CHAMBER, AN ELONGATED REACTION CHAMBER, AXIALLY DISPOSED WITH RESPECT TO AND IN OPEN COMMUNICATION WITH SAID PRECOMBUSTION CHAMBER, THE IMPROVEMENT WHICH COMPRISES AN OIL SPRAY MEANS POSITIONED AXIALLY AND DIRECTED DOWNSTREAM IN SAID TUNNEL, SAID SPRAY MEANS HAVING A PLURALITY OF NOZZLES POSITIONED ADJACENT AND PARALLEL TO EACH OTHER IN A MANNER TO PRODUCE INTERLACING SPRAY CONES.

Claim 3

IN A METHOD OF OPERATING A CARBON BLACK FURNACE WHEREIN AN OIL TO BE CONVERTED TO CARBON BLACK IS AXIALLY INTROUDECED INTO A PRECOMBUSTION ZONE AND WHEREIN ANOTHER OIL IS INTRODUCED INTO A COMBUSTION ZONE, DISPOSED TANGENTIALLY WITH RESPECT TO SAID PRECOMBUSTION ZONE, AND WHEREIN IN SAID TENGENTIALLY DISPOSED COMBUSTION ZONE, SAID ANOTHER OIL IS SUBSTANTIALLY CONVERTED TO HOT COMBUSTION GASES, WHICH ARE THEN INTRODUCED TANGENTIALLY TO SAID PRECOMBUSTION ZONE, AND WHEREIN THE COMBUSTION GASES IN SAID PRECOMBUSTION ZONE ROTATE AROUND SAID AXIALLY INTRODUCED OIL, THE STEP OF INTRODUCING SAID ANOTHER OIL AXIALLY AND DOWNSTREAM INTO SAID TANGENTIALLY DISPOSED COMBUSTION ZONE IN THE FORM OF SUBSTANITALLY PARALLEL INTERLACING SPRAY CONES AT A FEED RATE SUBSTANTIALLY GREATER THAN THAT WHICH WOULD PRODUCE UNSTABLE COMBUSTION, ROARING, AND RESULTING EXCESSIVE GRIT FORMATION IF INTRODUCED IN THE FORM OF A SINGLE SPRAY CONE.

Claim 4

IN A METHOD OF OPERATING A CARBON BLACK FURNACE WHEREIN AN OIL TO BE CONVERTED TO CARBON BLACK IS AXIALLY INTROUDECED INTO A PRECOMBUSTION ZONE AND WHEREIN ANOTHER OIL IS INTRODUCED INTO A COMBUSTION ZONE, DISPOSED TANGENTIALLY WITH RESPECT TO SAID PRECOMBUSTION ZONE, AND WHEREIN IN SAID TENGENTIALLY DISPOSED COMBUSTION ZONE, SAID ANOTHER OIL IS SUBSTANTIALLY CONVERTED TO HOT COMBUSTION GASES, WHICH ARE THEN INTRODUCED TANGENTIALLY TO SAID PRECOMBUSTION ZONE, AND WHEREIN THE COMBUSTION GASES IN SAID PRECOMBUSTION ZONE ROTATE AROUND SAID AXIALLY INTRODUCED OIL, THE STEP OF INTRODUCING SAID ANOTHER OIL AXIALLY AND DOWNSTREAM INTO SAID TANGENTIALLY DISPOSED COMBUSTION ZONE IN THE FORM OF SUBSTANITALLY PARALLEL INTERLACING SPRAY CONES AT A FEED RATE SUBSTANTIALLY GREATER THAN THAT WHICH WOULD PRODUCE UNSTABLE COMBUSTION, ROARING, AND RESULTING EXCESSIVE GRIT FORMATION IF INTRODUCED IN THE FORM OF A SINGLE SPRAY CONE.