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某酸洗机组是以生产热轧酸洗涂油卷为主的生产线,产品主要用于汽车行业、压缩机行业、通用机械行业及其他使用热轧酸洗板的领域,酸洗工艺采用紊流酸洗方式。自该机组投产以来,锈蚀缺陷是该酸洗机组的主要缺陷之一,不仅影响了机组的正常生产,也影响了用户的使用。本文通过对锈蚀缺陷各种形貌进行分类,找到了锈蚀缺陷产生的根本原因,并有针对性地制定了一系列控制措施,使锈蚀缺陷的发生率大幅下降,取得了比较好的效果。
A pickling unit is based on the production of hot-rolled pickling oil-based production lines, products are mainly used in the automotive industry, the compressor industry, general machinery industry and other areas using hot-rolled pickling board, pickling process using turbulent flow Pickling method. Since the unit was put into operation, the corrosion defect is one of the major defects of the pickling unit, which not only affects the normal production of the unit, but also affects the user’s use. In this paper, we classified the various defects of the corrosion defects, found the root causes of the corrosion defects, and formulated a series of control measures targeted to make the incidence of corrosion defects dropped significantly, and achieved good results.