Abstract: A tundish nozzle is used in a device for exchanging tundish nozzles juxtaposed at a bottom of a tundish. The device includes a pair of first arms pressing and supporting a first lower nozzle located at an undersurface of a first upper nozzle, the first upper nozzle being placed at the bottom of the tundish. The device includes a pair of second arms pressing and supporting a second lower nozzle located at an undersurface of a second upper nozzle, the second upper nozzle being placed at the bottom of the tundish and next to the first upper nozzle. The pair of first arms and the pair of second arms are adjoined to each other, the pairs at least partly overlapping. The tundish nozzle includes a zirconia based nozzle inserted into an alumina based refractory, and is one of the first and second lower and upper nozzles.

Abstract: A device for exchanging tundish nozzles juxtaposed at a bottom of a tundish includes a pair of first arms and a pair of second arms. The pair of first arms presses and supports a first lower nozzle. The first lower nozzle is located at an undersurface of a first upper nozzle. The first upper nozzle us placed at the bottom of the tundish. The pair of second arms presses and supports a second lower nozzle. The second lower nozzle is located at an undersurface of a second upper nozzle. The second upper nozzle is places at the bottom of the tundish and next to the first upper nozzle. The pair of first arms and the pair of second arms are adjoined to each other, and the pairs at least partly overlap each other.

Abstract: It is intended to develop a technique of pressing and fixing a plate by a uniform force to suppress the occurrence of a crack around a nozzle hole of the plate during use, and provide a sliding nozzle device capable of improving durability of the plate, and a plate for use in the sliding nozzle device. The sliding nozzle device comprises a plate (2) and a plate-receiving metal frame (1) for fixedly holding the plate (2).

Abstract: A tundish nozzle exchanging device and a tundish nozzle for use in the device, reducing a distance between holes of the tundish nozzles, juxtaposed at a bottom of a tundish, compared to the conventional model.

Abstract: It is intended to develop a technique of pressing and fixing a plate by a uniform force to suppress the occurrence of a crack around a nozzle hole of the plate during use, and provide a sliding nozzle device capable of improving durability of the plate, and a plate for use in the sliding nozzle device. The sliding nozzle device comprises a plate (2) and a plate-receiving metal frame (1) for fixedly holding the plate (2).