Abstract
A fluid–solid‐coupled numerical model is established on the motion and removal of inclusions in the continuous casting tundish with a multichannel filter. The flow field, heat transfer, and motion of inclusions in continuous casting tundish are simulated. The erosion of the lower part of the weir and filter is the most serious; at the casting speed of 2.2 m min−1, the maximum displacements in the upstream and downstream directions are 4.25 and −3.81 mm, respectively. The casting speed effect on the flow pattern and removal of inclusions is investigated. The weir and filter erosion increases with increased casting speed, the total removal efficiency is raised, and the dead zone fraction is reduced. After the casting speed exceeds 2.2 m min−1, the total removal efficiency of inclusions starts to decline. When the casting speed is raised from 1.4 to 3.0 m min−1, the share of inclusions removed by the filter drops from 8.2 to 2.5%, which is nearly 70%.
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