Abstract
A mathematical model of conjugate heat exchange in heating furnaces with a moving bottom (ring furnaces and walking-beam furnaces) has been developed. The model allows one to determine the heating of steel blanks in these furnaces with account for all mechanisms of heat transfer in the high-temperature working region of a furnace, in its lining, and in the steel blanks. On the basis of this model, a more economical regime of operation, as compared to the existing ones, has been calculated for a walking-beam furnace and comparative analysis of the operating characteristics of a ring furnace and a walking-beam furnace has been performed.
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