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The aim of this project is to determine the coal injection rate at which, due to incomplete combustion, the amount of residual products is so high that they are likely to cause operational problems. The coal was burned inside the raceway or the surrounding coke bed. The permeability of the blast furnace decreases due to residuals of incomplete combustion blown into the blast furnace and this sets a limit to coal injection. To investigate this, the raceway and part of the surrounding coke column were simulated at a laboratory scale. The parameters investigated were the coal rate, oxygen content of the blast, coal type, particle size and blast temperature.

Additional information

Authors: STEEGHS A G S, Hoogovens, Ijmuiden (NL)
Bibliographic Reference: EUR 16015 EN (1995) 65 pp., FS, ECU 10
Availability: (2)
ISBN: ISBN 92-826-9692-8
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