Jin Yongqing*,Li Xiang,Jiang Yingzhen,et al.Study on effective Al control technology of hot-dip galvanizing bath[J].Plating & Finishing,2023,(6):73-76.[doi:10.3969/j.issn.1001-3849.2023.06.012]
热镀锌锌液有效铝控制技术研究
- Title:
- Study on effective Al control technology of hot-dip galvanizing bath
- Keywords:
- hot-dip galvanizing ; molten zinc ; effective Al ; Fe 2 Al 5 ; zinc slag
- 分类号:
- TG174.4
- 文献标志码:
- A
- 摘要:
- 锌液有效 Al 含量是影响热镀锌产品镀层表面和性能的关键参数,针对其精确和稳定控制难度大的问题,研究了不同生产条件下锌液 Al 含量消耗规律和不同锌锭( Al 含量为 0.4 wt.% 、 0.8 wt.% 和 4.2 wt.% )加入后对 Al 含量的影响。结果表明:通过常规锌锭 Al 含量的合理设计,单独添加时可保证 Al 含量最低达到目标区域下限附近,然后根据条件采用不同调 Al 锌锭进行优化调节,可以达到锌液有效 Al 含量精确和稳定控制目标。
- Abstract:
- : The effective Al content of molten zinc is a key parameter that affects the surface and properties of hot-dip galvanized products. Aiming at the difficulty of accurate and stable control of the effective Al content , the consumption law of Al content in molten zinc under different production conditions and the influence of different zinc ingots ( Al content was 0.4 wt.% , 0.8 wt.% and 4.2 wt.% ) on Al content were studied. The results showed that through the reasonable design of the Al content of conventional zinc ingots , the Al content could be guaranteed to reach near the lower limit of the target area when it was added alone , and then the effective Al content of molten zinc could be controlled accurately and stably by using different Al adjusting zinc ingots according to the conditions.
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备注/Memo
收稿日期: 2022-09-02 修回日期: 2022-10-08 * 通信作者: 金永清( 1974 —),男,工程硕士,高级工程师, email : 980227506@qq.com?/html>