Floor for broad coke ovens and heating flue-structure therefor and method of operating the same

Claim 1

IN A BROAD COKING OVEN, FOR THE PRODUCTION OF HIGH QUALITY COKE INCLUDING ELECTRODE COKE, HIGH B.T.U. GAS, AND VALUABLE BY-PRODUCTS INCLUDING CRACKED HYDROCARBONS FROM FLUID HYDROCARBON MASS, INCLUDING OIL AND TAR, SAID OVEN BEING PROVIDED WITH A COKING CHAMBER, A PLURALITY OF INLET PIPES ASSOCIATED WITH SAID COKING CHAMBER FOR THE INTRODUCTION OF A FLUID HYDROCARBON MASS INCLUDING OIL AND TAR, SAID CHAMBER BIENG OF AN ELONGATED RECTANGULAR SHAPE, A DOOR AT EACH END OF THE CHAMBER FOR SEALING THE SAME, AND A PLURALITY OF HEATING FLUES UNDERNEATH THE FLOOR OF THE COKING CHAMBER, THE IMPROVEMENT COMPRISING A FLOOR COMPRISING A SINGLE HORIZONTAL LAYER CONSTITUTED OF A PLURALITY OF LONGITUDINAL ROWS OF INTERLOCKING HEAT-TRANSMITTING TILES WITH LONGITUDINAL JOINTS BETWEEN ADJACET ROWS, A LONG TAPERING TONGUE PROJECTING FROM ONE END OF EACH TILE TO PROVIDE A SHELF OR THE DEPOSITION OF CARBON AND TO EXTEND INTO A LONGER COOPERATING GROOVE OF AN ADJACENT TILE, PACKING INSERTED BETWEEN ADJACENT TILES TO PROVIDE A CLEARANCE SPACE BETWEEN THE END OF EACH LONG TAPERING TONGUE AND ITS COOPERATING GROOVE, VERTICAL REFRACTORY UNITS SUPPORTING SAID ROWS OF TILES AT SAID LONGITUDINAL JOINTS, AUXILIARY AIR INLETS COOPERATIVELY ASSOCIATED WITH SAID SINGLE LAYER OF FLOOR TILE TO PROVIDE AIR DURING