一种冷轧薄板镀锡用酸洗装置及方法

By setting up upper and lower pickling tanks, a turning mechanism, and an internal liquid flow device in the cold-rolled thin plate pickling device, the problems of uneven pickling of the upper and lower surfaces and clogging of the spray system are solved, achieving efficient and uniform pickling effect, and ensuring differentiated treatment of the thin plate surface and continuous production.

CN122406239APending Publication Date: 2026-07-17JIANGYIN KEMAO METAL PROD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGYIN KEMAO METAL PROD
Filing Date
2026-06-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing pickling equipment for cold-rolled thin plates cannot achieve differentiated treatment of the upper and lower surfaces, resulting in uneven pickling and easy clogging of the spray system, which affects production continuity and efficiency.

Method used

It employs two independent pickling tanks, each containing pickling solutions of different compositions. A flipping mechanism enables 180° flipping, and combined with an internal liquid flow device and a nitrogen-coated sealing station, it ensures differentiated treatment of the upper and lower surfaces of the thin plate and prevents clogging of the spray system.

Benefits of technology

It achieves uniform pickling on the upper and lower surfaces of thin plates, improves pickling efficiency and production continuity, reduces the risk of clogging in the spray system, and ensures high-quality tin plating pretreatment.

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Abstract

本发明涉及冷轧薄板酸洗技术领域,具体提出了一种冷轧薄板镀锡用酸洗装置及方法,包括上下两层独立设置的酸洗槽;导向机构,设置在两个酸洗槽的表面,用于将薄板导向至酸洗槽的酸洗液以下并能够传动;翻面机构,设置在两个所述酸洗槽之间,所述翻面机构包括至少两个导向辊;本发明通过设置两个完全分离的酸洗槽,不同的酸洗槽内部配置不同的化学成分、浓度和温度的酸洗液,翻面机构的精准180°转向,确保了薄板在离开第一个槽体后,其“已处理面”与“待处理面”的空间位置发生确定性的互换,覆膜装置对已经处理过的一面进行防护处理,从而能够实现对薄板的不同面进行差异化处理,保证不同的面都能够酸洗均匀。
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