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Erschienen in:
01.09.2011
Features of the use of briquetted iron-bearing wastes
Erschienen in: Metallurgist | Ausgabe 5-6/2011
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Abstract
Oxide-carbon briquettes made from metallurgical waste products (scale, dust from the gas-cleaning systems of metallurgical furnaces, etc.) have been developed for use as a new charging material. The content of scale (metallurgical dust) in the briquettes is 70–75 mass %. The carbon-bearing substance is introduced into the briquettes in the amount needed for complete reduction of the iron and carbonization of the melt. The efficiency of the carbonization process: 1 ton of briquettes is equivalent to 1.5–2.0 tons of conversion pig iron. The yield of reduced iron is 50% of the mass of the briquettes charged into the furnace.