Abstract
In this study a formula was derived to calculate optimum volume of cupola blast air [formula), standard operating conditions], cold or hot, for single-row coke cupolas, assuming that the lower boundary of the melting zone is adhacent to the upper boundary of the combustion zone (the condition of optimum cupola running formulated by A. Achenbach in 1931). Relevant equations and tables have also been developed to make the calculations easier. From computations made in this study it follows that the optimum blast air volume is increasing with an increase of the blast air temperature, assuming for cold blast a value close to [formula] (Buzek postulate), with modulus of the metallic charge lumps changing in a range of 15 to 20 mm.
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