Effect of Process Variables on Sintering Indices

Jun 17th, 2015
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The strength of sinter do influence the permeability of the stack zone inside the blast furnace when it is charged because of the breakage

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Effect of Process Variables on Sintering IndicesR.P. Bhagat, U.S. Chattoraj, Vinod Kumar, M.C. Goswami, K.K. Bhattacharya, S.C. Maulik and S.K. Sil (Late)Mineral Processing Division, National Metallurgical Laboratory, Jamshedpur ABSTRACT: The present paper describes the results of pot sintering studies in reference to the iron ores from Visakhapatnam Steel Plant (VSP). Basicity ratio (CaO/SiO2) and MgO of sinter were kept at 1.6 % and 2.3% level, respectively in the present study - the values which correspond to the sinters produced in the plant. The effect of process variables namely, moisture, coke, bed height on the sintering indices namely, productivity, tumbler index, the ratio RO/RI have been investigated. The results have been interpreted with the granulometric characteristics of sinter mix. 1. INTRODUCTION The strength of sinter do influence the permeability of the stack zone inside the blast furnace when it is charged because of the breakage. Besides, the strength of sinter during reduction (RDI) and reducibility of sinter (RI) do affect the furnace performance quite significantly. The sinter properties, strength and reducibility are influenced by the mineralogical

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