Tundish for molten steel casting

Abstract

The invention discloses a tundish for molten steel casting. The tundish comprises a tundish body, and an inner container, a water inlet, a water outlet, a top cover, an I-shaped stopper rod, an anti-collision mechanism and a first sieving mechanism are sequentially arranged in the tundish body. The inner container is arranged on the inner surface of the tundish body, the top cover is movably mounted at the upper end of the tundish body, the water inlet is formed in the position, close to the right side, of the outer surface of the upper end of the top cover, and the water outlet is formed in the position, close to the left side, of the outer surface of the lower end of the tundish body. The I-shaped stopper rod penetrates into the tundish body from the left side of the outer surface of theupper end of the top cover, the inner container is in a step shape, a first step, a second step and a third step are sequentially arranged in the inner container, and a rectangular concave frame is arranged at the position, close to the middle, of the outer surface of the upper end of the first step. According to the tundish, damage caused by long-time impact of molten steel on the interior of the tundish body can be reduced, non-metal impurities in the molten steel can be separated out through the layer-by-layer filtering mechanism, and the quality of the molten steel is improved.

Description

technical field [0001] The invention relates to a tundish and the technical field, in particular to a tundish for molten steel casting. Background technique [0002] The tundish is a refractory container used in short-process steelmaking. It first receives the molten steel poured from the ladle, and then distributes it to each crystallizer from the tundish nozzle. As an important basic raw material, steel is widely used in the world play a pivotal role in the economic development of various countries; [0003] Chinese patent discloses a new type of continuous casting tundish, the patent application number is CN201020567353.7, which includes a tundish container, a liquid inlet pipe placed on the top surface of the tundish container and an outflow pipe arranged at the other end of the bottom of the tundish container. The tundish container also includes a bubble generator arranged between the outlet pipe and the liquid inlet pipe, and the bubbles generated by the bubble genera...

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned device can reduce the nitrogen absorption of molten steel in the tundish and reduce the non-metallic inclusions flowing into the mold, it is difficult to salvage the impurities in the face of the presence of non-metallic inclusions in the tundish, causing the impurities to be damaged. The impact of molten steel is brought into the crystallizer, and the molten steel impacts the tundish, which may easily cause damage to the impact part of the tundish, thus causing steel leakage

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