| 摘要 |
PROBLEM TO BE SOLVED: To provide an immersion nozzle for continuous casting with which a defective product caused by gas bubble and inclusion are prevented and the quality of a produced cast slab is made to be good. SOLUTION: This immersion nozzle is provided with a cylindrical part 11 in which molten steel is made to flow, a first spouting part 12 integrally connected with the bottom of the cylindrical part 11 and provided with a plurality of small spouting holes 14 at both sides, and a second spouting part 15 forming a space part 17 covering the plurality of small spouting holes 14 disposed at both sides and provided with large spouting holes 16 spouting molten steel flowing through the cylindrical part 11 and the first spouting part 12 to the outside from the space part 17, respectively. COPYRIGHT: (C)2004,JPO
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