Comparison and Functions of Flow Control Devices for Continuous Casting Tundish

Flow control devices have a remarkable influence on the flow behavior of tundish and inclusion removal.A water model is established to investigate and compare the function of double weir-dam,turbulence inhibitor,baffles and argon blowing in the tundish.The results show that turbulence inhibitor has the functions of preventing sputter of liquid steel during casting,avoiding the reoxidation of steel,and decreasing the ratio of short circuit.Comparing with double dams,the tundish fixed with baffles has a similar minimum residence time,but a less dead volume.Comparing with double dams,the tundish fixed with argon blowing has slight increase for the minimum residence time,but a large increase for the peak value time and a less dead volume.