Fast sprue-replacing casting method and device for continuous irregular blank casting ladle
A technology of continuous casting and pouring methods of shaped billets, which is applied in casting equipment, casting molten material containers, metal processing equipment, etc., and can solve the problems of surface and internal quality deterioration of shaped billets, uneven performance and service life, refractory materials and nozzles Consumption and other problems, to improve the surface and internal quality of the slab, improve the control accuracy, improve the efficiency of the casting machine
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[0021] It can be seen from Fig. 1 that, the pouring method and device of the quick-change nozzle of the tundish continuous casting tundish, two independent molten steel channels are set between the tundish 1 and the crystallizer 7, and the molten steel in the tundish 1 is injected into the crystallization through these two independent channels Casting in the device 7 is to adapt to the casting characteristics of special-shaped billets, so that the flow field and temperature distribution of molten steel are even and reasonable. The bottom of the tundish 1 is provided with two seat blocks 2, and the tundish nozzle 3 is installed in it; the quick-change nozzle mechanism 4 is arranged under each tundish nozzle 3, and a sliding upper nozzle 16 and a sliding lower nozzle 17 are arranged on it, and the sliding upper The nozzle 16 is connected with the tundish nozzle 3, the sliding nozzle 17 is connected with the full-immersion nozzle 5, the full-immersion nozzle 5 is inserted in the c...
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