CONTINUOUS HOT-DIP METAL PLATING DEVICE AND CONTINUOUS HOT-DIP METAL PLATING METHOD

• Main Authors: NISHIZAWA KOICHI, OMODAKA MASAAKI
• Format: Patent
• Language: Chinese; English
• Published: 26.10.2018
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

Provided is a continuous hot-dip metal plating device (1) comprising: a sink roll (6) that is disposed inside a plating bath (3), and changes the conveyance direction of a steel strip (2) to upward; afirst support roll (7) that is positioned inside the plating bath (3) and higher than the sink roll (6), and is in contact with a surface of the steel strip (2) that is in contact with the sink roll(6); and a second support roll (8) that is positioned inside the plating bath (3) and higher than the first support roll (7), and is in contact with the reverse surface to the surface of the steel strip (2) that is in contact with the sink roll (6), wherein the diameter (D1) of the first support roll (7), the diameter (D2) of the second support roll (8), and the distance (L) in the vertical direction between the rotation axis of the first support roll (7) and the rotation axis of the second support roll (8) satisfy specific conditions. 提供种连续热浸镀金属装置(1)，其具备：沉没辊(6)：其设置在镀浴(3)内，将钢带(2)的传送方向向上方变更；第1支承辊(7)：在镀浴(3)内位于沉没辊(6)的上方，与