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| BLAST FURNACE SMELTING WITH HIGH MgO SLAG |
| CHUANG CHENG-WOO |
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Cite this article:
CHUANG CHENG-WOO. BLAST FURNACE SMELTING WITH HIGH MgO SLAG. Acta Metall Sin, 1957, 2(3): 219-235.
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Abstract When smelting with 18.5% MgO slag the furnace runs smoothly with stablehearth temperature. The desulphurizing power of high-MgO slag is comparativelylower. To raise the total basidity ((CaO+MgO)/(SiO_2)) is required. This thesis aims at analyzing the cause of higher coke consumption. Theore-tical calculation shows, if dolomite is used directly as furnace charge, the totalamount of CO_2 (per ton pig) carried into the furnace is raised by 15%, thuscausing an increase of % direct reduction and consequently an increase of cokeconsumption. Dolomite ought to be used as sinter charge.
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Received: 18 March 1957
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[1] Melvin E. Nickel, Experience in the Use of High MgO Slags, Proceedings Blast Furnace, Coke Oven and Raw Materials Conference, 1946．
[2] 潘作桓,高氧化镁渣试验初步总结,鞍钢,№26,1953．
[3] 高氧化镁渣试验初步总结,鞍钢试验报告,1955(由本文作者总结)。
[4] Richard S. McCaffery, Viscosity of Blast furnace Slags, Tecnical Publication, № 383, 1931．
[5] 关于高炉渣试验研究的初步总结,鞍钢与中国科学院工业化学研究所合作,1953．
[6] М. А. Павлов, 1949, 140--141．
[7] T. L. Joseoh, Relative Desulphurizing Powers of Blast Furnace Slags, Trans., A. I. M. E., 120, 1936．
[8] И. П. Семик, 1949, № 4．
[9] А. Н. Рамм, 1954, № 12．
[10] А. М. Банных, 1955, № 11． |
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