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| Keywords: Siemens's direct reduction cascade furnace.png Réduction directe inventé par Carl Wilhelm Siemens Il s'agit d'un four à réverbère à 2 laboratoires Le laboratoire amont chauffe le minerai de fer qui est amené manuellement dans le laboratoire aval où il est mélangé avec un agent réducteur charbon coke etc Carl Wilhelm Siemens It is an open-hearth funace with 2 laboratories The upstream laboratory heats the iron ore which is manually brung in the dowstream laboratory where it is stirred with a reducing agent coal coke etc 1890 https //archive org/details/metallurgyofstee00howerich The metallurgy of steel p 288 Henry Marion Howe 1848-1922 other versions PD-old-70-1923 Carl Wilhelm Siemens Direct reduction Images from The metallurgy of steel by H E Howe Uploaded with UploadWizard | ||||
