星崎工場20tAODにおけるC-B法の開発

概要

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AOD-C-B process was developed in 1978 and since then has been adopted for all AOD heats. The outline of the process is as follows, : the secondary oxygen is blown from the top of the vessel to burn CO to CO2 above the bath surface and the heat generated there is directly transferred to the bath being stirred vigorously by tuyere oxygen and inert gas.The reduction of power and Si consumption and the improvements of the heat economy have been obtained with other operational advantages by this process in last two and a half years.
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