2019 Pittsburgh AISTech

Quantifying the Effect of Coke Layer Thickness on Permeability of the Cohesive Zone in the Blast Furnace by Using a New Simulator (Room 405)

06 May 19
11:00 AM - 11:30 AM

Tracks: Ironmaking

Speaker(s): Kazuhira Ichikawa, JFE Steel Corp.; Yusuke Kashihara, Senior researcher, JFE Steel; Toshiyuki Hirosawa, JFE Steel Corp.; Jun Ishii, JFE Steel Corp.; Taihei Nouchi, JFE Steel Corp.; Kiyoshi Fukada, General manager, JFE Steel

A new apparatus called a cohesive zone simulator was developed. Coke slit layer thickness in a cohesive zone in a blast furnace is one of the important factors in achieving stable operation. This is because it is known that thin coke slit layer thickness causes permeability to worsen in the cohesive zone. On the other hand, minimum coke slit layer thickness has not been quantified theoretically. By using this new simulator, the effect of the coke slit layer thickness on permeability was quantified. Further, based on the results outlined above, we will quantify the minimum coke slit layer thickness.