【摘要】 针对某企业热镀锌机组原喷淋钝化方式产品存在钝化黄斑、钝化不均匀、钝化膜防腐能力差等问题,对其钝化系统进行了改造,采用了四辊立式辊涂机。介绍了四辊立式辊涂机的结构、设计计算及其选型。更多还原

【Abstract】 In view of some problems,such as yellow speck on surface of products,passivating un-uniform and bad corrosion prevention ability of passivated film,by spray passivating type in a hot-dip galvanizing unite,the passivation system was reformed.The four-high vertical roll coater was applied,and its structure,design calculation and equipment selection were introduced.更多还原