7TH EUROPEAN COKE AND IRONMAKING CONGRESS - ECIC 2016

This paper summarizes the results of a comparison of two modern blast furnace designs. These designs include similar hearth, upper stack and throat armor technologies, but differ on the lining selection for bosh, belly and stack. The first design includes copper plate coolers, graphite and silicon carbide. The second design includes copper stave coolers. Results of a partial reline modular construction case study are described for the first design. This demonstrates the feasibility of reducing shut-down duration for a partial bosh, belly and stack reline to 40 days. A complete reline can be realized within 70 days. This is comparable to the shut-down duration for the second design using copper stave coolers.