| 摘要 |
To regulate a position of each of clampers by setting an entire width dimension of each of the clampers to be smaller than a flange diameter dimension of a submerged nozzle and to smooth replacement of a fresh submerged nozzle by providing a positioning liner, to thereby obtain a simple structure at a low cost, provided is a submerged nozzle supporting-replacing mechanism, which is constituted to set an entire width dimension (L3) of each of clampers (20 and 21) to be smaller than a flange diameter dimension (L1) of a submerged nozzle (9) so as to position each of the clampers (20 and 21) by a positioning member (26), and so as to guide an upper surface (43) of a fresh submerged nozzle (9A) by a positioning liner (6), to thereby regulate a height position of the fresh submerged nozzle (9A) during movement in a horizontal direction thereof.
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