Intelligent multifunctional metallurgical tundish and pouring method thereof
A tundish, multi-functional technology, applied in the field of iron and steel continuous casting metallurgy, can solve unresolved problems such as reducing the temperature of the tundish exit channel, weakening the induction density upflow of the tundish, etc., to improve the function of "removing inclusions" and reduce the pouring process Heat, reduce the effect of molten steel inclusion index
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Embodiment 1
[0041] Such as Figure 2~Figure 5 As shown, an intelligent multifunctional metallurgical tundish provided in this embodiment includes a tundish body 1 , an induction heating device 6 and an electromagnetic stirring device 7 . A first refractory layer 2 is arranged inside the enclosure 1, and the first refractory layer 2 separates the enclosure 1 into an impact zone 3 and a casting zone 4 arranged up and down. The molten steel flows through both sides of the impact zone 3, and communicates with the casting zone 4 through the flow steel channels 5 on both sides to form a closed loop, thereby forming a working form similar to a transformer short circuit. The quantity of the flow steel channel 5 is two. Since the connected molten steel has electrical conductivity, and the cross-sectional area of the molten steel in the steel flow channel 5 is smaller than other positions, and the current density is relatively large, therefore, the steel flow channel 5 is the main heating area. ...
Embodiment 2
[0052] The difference between this embodiment and Embodiment 1 is that the electromagnetic stirring device 7 is arranged outside the side wall of the enclosure 1, which includes more than 2 multiphase module groups, each module group includes 3 modules, and 3 The modules form a 120° three-phase structure, one module group is arranged in the order of U, V, W, and the other group is arranged in any two-phase sequence with U, V, W (such as U, W, V, etc.). Therefore, the internal stirring direction of the intelligent multi-functional metallurgical tundish is a circular stirring in an overall direction.
Embodiment 3
[0054] The difference between this embodiment and Embodiment 1 is that the electromagnetic stirring device 7 is arranged outside the side wall of the enclosure 1, which includes more than 2 multiphase module groups, each module group includes 6 modules, and 6 The modules form a 60° six-phase structure, one module group is arranged in the order of U, V, W, and the rest are arranged in the order of any two phases of U, V, W, thus the intelligent multi-functional metallurgical center The stirring direction inside the bag is a circular stirring in one overall direction. Similarly, the 6 modules are arranged obliquely downward from the longitudinal center of the intelligent multifunctional metallurgical tundish, and the angle between the center line and the horizontal line is 0~15°.
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Abstract
Description
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