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Data analysis has been performed concerning the limiting values of heat losses in the cooling system and consumption of coke to compensate for them in the blast furnaces, depending on their volume, technical condition, and smelting technology. It was shown that the consumption of coke to compensate for heat losses may vary from 10 to 55 kg of coke or more per ton of cast iron.
Air tuyeres are the most thermally stressed components of blast furnaces; therefore, extending their life is of importance. Operating experience suggests that the intensification of cooling alone does not prevent burnout of tuyeres. In this connection, the VNIIMT presents design developments that combine advanced cooling intensification solutions and thermal insulation protection, which can significantly...
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