低質コークス使用によるキュポラ操業法に關する研究 (II)

概要

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In the present report, the relation of the charge coke ratio and the blast volume in cupola operation by low grade coke were discussed. The "Rate of Excess Air" Ew has been defined as EW=WR-WT/WT×100(%) where WR is the real blast volume used on the practical operation, and WT is the theoretical blast volume for the complete combustion of charge coke. Data explained in the first report was used. Results obtained were summarized as follows. (1) The temperature of molten metal is rised with increasing of charge coke ratio in constant EW and is rised with increasing of EW in the constant charge coke ratio. (2) The melting velocity shows maximum at the certain point with increasing of charge coke ratio in constant EW, but increases with increasing of EW in the constant charge coke ratio.
社団法人日本鉄鋼協会の論文
1948-10-25