MIDREX還元鉄溶解試験結果について

概要

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We made a report that the HImet reduced iron could be anticipated as material for electric arc furnace melting after charging the said iron of Harmesley Group produced by SL/RN method contiuously into our Daidos UHP furnace at Chita Plant in 1970∼71. Furthermore, MIDREX reduction produced by shaft furnace method of Georgetown Company in U.S.A. was batch charged into the same UHP furnace this time.From the results it was found that there were no sticking phenomenon if the reduced iron mixing ratio was up to 20% and both productivity and the original unit of electric power were normal, but when the said ratio was as high as 40% the sticking phenomenon was observed and the productivity and the original unit got worse as much as 10∼15%.The big boiling phenomenon which was the problem in the last continuous charging was not seen through the whole test process.
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