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EVALUATION OF PRODUCT SINTER QUALITY IN BLENDS PREPARED WITH DOMESTIC AND IMPORTED FINE ORES AT KARDEMIR
(Baski, 2022) Timur, T.; Cantürk, C.; Esin, F.; Acur, O.; Sevim, M.; Sun, Y.
In Integrated Iron and Steel Plants, fine ores of a size that cannot be charged directly to the blast furnaces are combined by subjecting to surface melting under the melting temperature. As a result of sintering, it becomes usable in blast furnaces. Sinter is the most economical ferrous material input of blast furnaces. Blast furnaces production speed, efficiency, quality and economy of the product obtained depend on the raw materials used. In this study, the quality of the product sinter obtained by blending domestic and imported fine ores in different proportions was evaluated. Physical (sieve analysis) and chemical (XRF) properties of the blend were determined by taking samples from the blend area to represent each blend. Blends has been categorized and sintered as domestic and imported fine ore, calibrated ore, pellet dust and other (waste dusts of some plant). Physical (sieve analysis, drum test), chemical (XRF) and metallurgical analysis (RUL, RDI) of the obtained sinters were made. When all analysis results were examined, it was concluded that the most suitable mixture for sinter used in blast furnaces would be provided using at least 30% imported ore. © IMCET 2022. All rights reserved.