Phosphorus combustion furnace

Claim 1

IN A PHOSPHORUS COMBUSION FURNACE COMPRISING A COMBUSTION CHAMBER HAVING AN OUTLET FOR HOT COMBUSTION GASES ADJACENT TO AN END THEREOF, A BURNER ADAPTED TO BURN PHOSPHORUS DISPOSED IS SAID CHAMBER ADJACENT TO AN END THEREOF FARTHEST FROM SAID OUTLET, AND MEANS FOR INTRODUCING AIR IN QUANTITY SUFFICIENT TO MAINTAIN AN OXIDIZING ATMOSPHERE WITHIN SAID CHAMBER DISPOSED ADJACENT TO SAID BURNER, THAT IMPROVEMENT WHICH COMPRISES, IN COMBINATION, A CONTAINER FOR A POOL OF WATER; SUPPORTING MEMBERS DISPOSED IN SAID CONTAINER; A FLAT METAL PAN DISPOSED IN SAID CONTAINER ADAPTED TO BE SUPPORTED BY SAID SUPPORTING MEMBERS IN INTIMATE CONTACT WITH SAID POOL OF WATER IN SAID CONTAINER; A CIRCULAR HEARTH FLOOR FORMED OF A SINGLE THICKNESS OF GRAPHITE BLOCKS DISPOSED IN SAID METAL PAN; A VERTICAL CYLINDRICAL WALL FORMED FROM A SINGLE THICKNESS OF GRAPHITE BLOCKS DISPOSED UPON THE PERIPHERY OF SAID HEARTH FLOOR; A SUBSTANTIALLY DOME-SHAPED TOP DISPOSED UPON SAID CYLINDRICAL WALL TO COOPERATE WITH SAID WALL AND SAID HEARTH FLOOR TO ENCLOSE A VERTICAL COMBUSITON CHAMBER HAVING A RATIO OF HEIGHT OT DIAMETER OF FROM 2:1 T 3:1; A BURNER ADAPTED TO BURN PHOSPHORUS CENTRALLY DISPOSED IN SAID COMBUSTION CHAMBER ADJACENT TO SAID TOP; AND OUTLET FOR HOT COMBUSTION GASES DISPOSED ADJACENT TO SAID HEARTH FLOOR; AND MEANS FOR CONTINUOUSLY FLOWING A FILM OF WATER OF SUBSTANTIAL THICKNESS DOWNWARD OVER THE EXTERIOR SURFACE OF SAID WALL DISPOSED ADJACENT TO THE EXTERIOR OF SAID CHAMBER.