| 摘要 |
PROBLEM TO BE SOLVED: To prevent the sticking of scale on a cooling hole by arranging a clamper to a pipe for cooling water, fitting stainless steel-made rings to the clamper, sizing the diameter of the ring to the intermediate size between the outer diameter of the pipe and the diameter of the cooling hole and disposing stainless steel round bars in a space formed with the adjacent rings, the outer diameter of the pipe and the inner wall of the cooling hole. SOLUTION: The clamper 4 projecting to the diameter direction is arranged to the pipe 3 in the inner part of the cooling hole 2 in the continuous casting roll. To the clamper 4, the rings 7-1, 7-2, 7-3 are welded and fixed. The stainless steel round bars 8 are disposed in the spaces between the adjacent rings 7-1 and 7-2 and between the adjacent rings 7-2 and 7-3. The diameter of the stainless steel round bar 8 is sized to >1/2 of the gap size between the outer surface of the pipe 3 and the inner wall of the cooling hole 2 in the continuous casting roll. Applying of knurling or rough shot blasting on the outer cylindrical surface of the stainless steel round bar 8, is desirable because of the improvement of the effect for peeling out the scale.
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