连续退火机组改热镀铝锌机组工艺技术及应用  

Technology and application of reforming continuous annealing unit to hot-dip galvalume unit

作　　者：王建兵[1] 黄晓慧[1] 张爽[1] WANG Jianbing;HUANG Xiaohui;ZHANG Shuang(Capital Engineering and Research Incorporation Limited,Beijing 100176,China)

机构地区：[1]中冶京诚工程技术有限公司,北京100176

出　　处：《轧钢》2025年第1期119-126,共8页Steel Rolling

摘　　要：针对某企业将连退机组改造为镀铝锌机组的需求,在降低投资成本,最大限度利用原有设备能力的基础上,提出了合理的工艺改造路线和设备改造集成方案。介绍了改造中的关键工艺技术和张力设备、退火炉、锌锅、镀后冷却设备、光整、拉矫等设备的改造要点。生产实践表明:改造后镀铝锌机组产品镀层厚度最大可达220g/m^(2),屈服强度最大可达650MPa,抗拉强度最大可达750MPa;最大工艺速度180m/min,最大产量79.5t/h,升级改造工艺设计及设备选型满足生产需求。In order to meet the demand of an enterprise reforming the continuous annealing unit to hot-dip galvalume unit,a reasonable technology reformation route and equipment transformation and integration plan are proposed base on reducing investment costs and maximizing the utilization of existing equipment capabilities.The key process technologies in the reformation and the main points of the equipment transformation of tension equipment,annealing furnace,zinc pot,post-cooling equipment,skin-pass mill and tension leveller are introduced.Production practice shows that the coating thickness of product in the galvalume line can reach up to 220g/m^(2),the yield strength can reach up to 650 MPa,and the tensile strength can reach up to 750MPa,the maximum process speed is 180m/min,and the maximum output is 79.5t/h after reformation.The upgraded process design and equipment selection meet the production needs.

关 键 词：连退机组 镀铝锌机组 改造 工艺 设备 退火炉 

分 类 号：TG1[金属学及工艺—金属学]