| 摘要 |
PROBLEM TO BE SOLVED: To provide an immersed nozzle capable of further reducing a drift current. SOLUTION: A first flow regulating protruding portion 4 extending in parallel to a direction of drilling a molten steel discharging hole 2 is provided on an inner bottom surface 3. The first flow regulating protruding portion 4 is tapered at the center of its extending direction. The first flow regulating protruding portion 4 includes a protrusion center portion 5 disposed on the center of the extending direction and a protruding end portion 6 protruding more than the protrusion center portion 5 in an axial center direction. COPYRIGHT: (C)2009,JPO&INPIT
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