Substitution of Coke and Energy Saving in Blast Furnaces. Part 4. System Analysis of the Processes Under Influence of the Complex of Parameters

I. G. Tovarovskiy


It was studied the influence of individual parameters and complex of factors on consumption of coke and found that use of the offered modes will allow to cut expenses coke to 190-200 kg/t of pig-iron on BF-9 AMKR and BF-5 “Severstal”. Use of effective technology of pulverized coal injection should be accompanied by the development of additional and alternative technologies. In particular, attention should be drawn on injecting of coke-oven gas and the products of gasification of low-grade coal, as well as the charging in blast furnaces of specially prepared lump anthracite.


Blast furnace; Modeling; Ring radial zones; Vertical temperature zones; Overall balance; Coke rate; Productivity; Natural gas; Coke-oven gas; Blast temperatures; Oxygen contents; Pulverized coal

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