Rotary Drum Furnace to Investigate the Performance of Refractories for Cement Rotary Kilns

R. Simmat, C. Dannert

Forschungsgemeinschaft Feuerfest e.V., 56203 Höhr-Grenzhausen/Germany


Volume 8, Issue 3, Pages 93 - 98


Fabrication processes in cement rotary kilns change due to increased utilisation of alternative fuels, and the demands on refractories change with them. Refractory manufacturers respond by developing new and improved refractory materials. With the aim to support such development actions, a laboratory rotary drum furnace test was established in order to approach industrial clinker production as close as possible, with well-defined thermal and corrosive conditions. Using a multichannel burner system, synthesized fuel residues can be added to simulate the combustion of alternative fuels. Besides chemical corrosion by raw meal and fuel residues, the infiltration of clinker melt can now be investigated under more realistic conditions compared to standard test methods. In addition, the formation and stability of coating layers can be studied.


laboratory testing, cement clinker, rotary drum furnace, refractories


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