| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection nozzle useful for uniformly cooling a slab in continuous casting equipment.SOLUTION: An injection nozzle includes: a nozzle body 11; at least one groove part (such as groove parts 12, 12') formed at the tip part of the nozzle body; discharge ports opening in a slender shape at the groove parts; and a flow passage (such as a first flow passage 14) connected to the discharge ports. In at least one groove part, one end part is formed more deeply than the other end part. |
