Brief introduction of tundish lining coating

In the process of steelmaking, the tundish is the transition device between the mold and the ladle. The use of the tundish can make the molten steel better and more smoothly injected into the mold, and can ensure the stability and stability of the molten steel and the effect of cleaning the molten steel. Therefore, the tundish is used in steelmaking. The role in the process cannot be underestimated. This article briefly introduces the characteristics and technological process of the tundish dry vibrating material.

The refractory materials used in the tundish are more miscellaneous and the turnover is fast, so the refractory dry vibrating material is a consumable material. The tundish refractory lining mainly includes thermal insulation layer, permanent layer and working layer. The thermal insulation layer of the tundish has been using thermal insulation fibers or thermal insulation bricks with little change. In the mid-1970s, the permanent layer was mainly built with clay bricks, and later with high-alumina bricks. At first, the working layer and permanent layer of the tundish were integrated, and most of them were made of clay bricks. However, with the development of metallurgical technology, clay bricks as the working layer and permanent layer of the tundish could not meet the requirements for service life, and they were damaged by corrosion. Seriously, causing molten steel to be contaminated in the tundish. Later, the permanent layer was cast as a whole using high-alumina castables. In the early days of the working layer, aluminum refractory bricks were used. Later, in order to keep the temperature change of the molten steel in the tundish not exceeding 15 °C during casting, the working layer began to use a thermal insulation board. Replaced by refractory paints and refractory spray coatings, with the development of tundish refractories, the latest dry vibrating materials have begun to replace spray coatings with significant advantages. The refractory material for the tundish working layer has gone through the development of refractory clay brick (permanent layer is working layer), thermal insulation board, spray paint (spray material) and the latest dry vibrating material (ie dry working lining).

We Changxing Refractory Material Co.,LTD is professional manufacturer and supplier of refractory materials for more than 30 years. Our high quality tundish dry vibrating mix are good sold to many countries say South Africa, Bangladesh, Indonesia, Malaysia, etc. Shall any interests, welcome to contact us. Our team would make best to be your reliable partner!

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