Abstract

Nowadays, the flow pattern and stress distribution of burden materials in blast furnace has been widely calculated by discrete element method. In this study, the influence of operation conditions such as ore batch, the root position of cohesive zone and the slope of cohesive zone on the flow pattern and stress distribution of burden materials in blast furnace were investigated. The normal stress of burden materials in deadman increases with the increase of ore batch, but the normal stress of burden materials in deadman decreases with the increase of the root position of cohesive zone and the slope of cohesive zone. The average descending velocity of burden materials increases with the increase of ore batch, but the average descending velocity of burden materials decreases with the increase of the root position of cohesive zone and the slope of cohesive zone.

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