热轧基板连续锌铝镁镀层机组的设计选型  

Design and selection of continuous zinc aluminum-magnesium coating line using hot rolled substrate strip

作　　者：王业科[1] 刘显军[1] 杨薇[1] 石雁舟 WANG Yeke;LIU Xianjun;YANG Wei;SHI Yanzhou(CISDI Engineering Co.,Ltd.,Chongqing 401122,China)

机构地区：[1]中冶赛迪工程技术股份有限公司,重庆401122

出　　处：《轧钢》2024年第3期83-89,97,共8页Steel Rolling

摘　　要：锌铝镁产品与普通镀锌板相比具有耐蚀性好、切口自动修复、耐氨性优异等众多优点。针对热轧基板连续锌铝镁镀层机组设计选型难点,对锌铝镁镀层产品的分类及应用进行了介绍;对独立生产机组和酸镀联合机组、燃气加热和感应加热、立式炉和卧式炉分别进行了对比分析;同时,对锌锅选型、镀后带钢冷却工艺装备设计、炉鼻子内锌灰缺陷及加湿问题等进行了技术介绍和选型分析,为类似机组的设计选型提供了参考。Compared with ordinary galvanized sheets,zinc-aluminum-magnesium products have many advantages such as good corrosion resistance,automatic repair of cuts and excellent ammonia resistance.Aiming at the difficulties in the design and selection of continuous zinc-aluminum-magnesium coating line using hot rolled substrate strip,the classification and application of zinc-aluminum-magnesium coating products are introduced.Independent production line and continuous pickling&galvanizing line,gas heating and induction heating,vertical furnaces and horizontal furnaces are compared and analyzed respectively.At the same time,the selection of zinc pots,the design of post-galvanized strip cooling process and equipment,and the zinc ash defects and humidification problems in the furnace nose are technically introduced and selected,providing a reference for the design and selection of similar lines.

关 键 词：热轧基板 锌铝镁镀层 热镀锌 设计选型 

分 类 号：TG333[金属学及工艺—金属压力加工]