Importance

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Abstract

The process of operating a reheating furnace for slabs involves the transport of slabs through the heating chamber of the furnace and contacting the slabs with a hot gaseous fluid which is supplied by one or more channels at a level below the path for the slabs. The fluid is thereby cooled and the cooled fluid is withdrawn to be readmitted into the channels subsequent to mixing with hot combustion products which are furnished by burners. The temperature of the fluid which is a mixture of cooled fluid and combustion products matches or approximates the optimum temperature for rolling of the slabs. That portion of the heating chamber which is adjacent to its inlet constitutes a magazine for temporary storage of slabs and contains ways for a charging machine which delivers slabs into the range of a walking-beam conveyor in the heating chamber.

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First Claim