Tundish control flow method of small square billet continuous casting stopper rod and tundish water gap
A small billet continuous casting and stopper technology, which is applied in casting equipment, casting melt containers, manufacturing tools, etc. Quality decline and other problems, to achieve the effect of stable production and increased indirect benefits, reduction of molten steel injection margin, and reduction of steel material consumption
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[0023] The method of controlling the flow in the small billet continuous casting stopper rod package adopts the top nozzle (stopper nozzle) 2 and the middle nozzle 4 embedded with the zirconium core 4-1 installed from top to bottom in the tundish seat brick 3 Install the tundish nozzle under the tundish seat brick 3 and the tundish nozzle 5 closely connected to the middle nozzle 4 and embedded with the zirconium core 5-1; the upper part of the tundish seat brick 3 and the upper nozzle 2 are in an inverted cone shape. , The lower part and the middle nozzle 4 are in the shape of a cone with a small cone angle; the center lines of the three nozzles coincide, and the outer diameter of the middle nozzle 4 embedded zirconium core 4-1 is larger than the lower nozzle 5 inner zirconium core 5-1 outside The inner diameter of the zirconium core 4-1 embedded in the middle nozzle 4 is greater than or equal to the inner diameter of the zirconium core 5-1 embedded in the lower nozzle 5; the inte...
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