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Silicon Transmission in Blast Furnace

MI Keqin ** East China Institute of Metallurgy , Ma'anshan , Anhui , 243002 , China.

材料科学技术（英）

Based on thermodynamic calculation,oper- ating data and experiments,Si transmission in B.F. is described in this paper.The Si in hot metal is con- trolled by both reduction and reoxidation.Equilib- rium calculation gives a tapping value and the pro- file of Si content of the hot metal in B.F.The first important factor to control Si content is reaction temperature.The coke reactivity and solution loss are more sensitive to in-situ coke reduction and Si content.

关键词: Si-content , null , null

Reduction and Reoxidation of Silicon in Blast Furnace Hearth

MI Keqin ** East China Institute of Metallurgy , Ma'anshan , 243002 , Anhui , China

材料科学技术（英）

This paper introduces both laboratory experi- ment and equilibrium calculations concerned with the Si reduction and reoxidation.The results give evidence that the Si transport in different directions just exists in the furnace hearth synchronistically, by which the desulphurization is also affected.The problems noticed for smelting tow Si pig iron are given.

关键词: blast furnace , null , null , null

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