Sir, We are using Bauxite and Iron ore as flux for type 1 clinker.Now that bauxite is costing more when compared to Iron ore Is it possible to reduce bauxite consumption cosiderably and use iron ore in its place..In that case to what extent we go down in bauxite consumption and what are all the operational difficulties we come across??Your valued advice is highly appreciated.
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As I understand,the optimum requirement of Alumina,Iron,lime and Silica in Type1 clinker is predominantly fullfilled by Bauxite, Iron ore, limestone and Sandstone/Clay respectively.
By reducing bauxite and increasing iron ore modullai values LSF,SM and AM will change and likely to have unfavourable impact on clinker properties such as easy burning mix and tendency for balling in burning zone,unstable kiln and cooler operation and lower strength of clinker