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USE OF A D-OPTIMAL METHOD TO DESIGN A NOVEL REFRACTORY RAMMING MIX IN MgO‒SiO2‒SiC‒C FOR BLAST FURNACE PIG IRON
https://doi.org/10.17073/1683-4518-2017-7-34-38
Abstract
In this study the mixture design D-optimal method was used to find out the optimum amount of silicon carbide, graphite and pitch as carbon containing raw materials for a new type of ramming mix for blast furnace iron runner. The expert-design software was used to run the mixture design D-optimal method and it formulated 16 specimens to prepare and evaluate the physical properties such as dried and fired strength.Twelve patterns were studied to find the optimum formula. The pattern with the highest level of desire ability equals to 78,5 % choose as the optimum pattern with mix order of quadratic, analysis transfer of square and chemical composition of 11,7 wt. % silicon carbide, 2,6 wt. % graphite and 5,7 wt. % pitchfor ramming mix in system of MgO‒SiO2‒SiC‒C. Ill. 2. Ref. 15. Tab. 4.
About the Authors
A. J. NikkhahIran, Islamic Republic of
E. Salahi
Iran, Islamic Republic of
M. Razavi
Iran, Islamic Republic of
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Supplementary files
For citation: Nikkhah A.J., Salahi E., Razavi M. USE OF A D-OPTIMAL METHOD TO DESIGN A NOVEL REFRACTORY RAMMING MIX IN MgO‒SiO2‒SiC‒C FOR BLAST FURNACE PIG IRON. NOVYE OGNEUPORY (NEW REFRACTORIES). 2017;(7):34-38. https://doi.org/10.17073/1683-4518-2017-7-34-38
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