Abstract

The shrinkage of the charge and the formation of coke cake are described on the basis of theoretical research and industrial experiments. Shrinkage begins when the coal batch is introduced, and therefore rewards careful scrutiny. With changes in coke-battery design—in particular, increases in height—the vertical shrinkage of the coke cake changes, along with the heating of the cake’s upper section and the pyrolysis of the gaseous coking products. In this context, the distance fallen by the combustion products from the fuel gas is calculated.

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