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铁艺护栏有效实用防锈方法是热浸镀锌!

来源:http://www.jnghbxg.com 日期:2023-04-25 发布人: 浏览次数:10
铁艺护栏有效、实用的防锈方法是热浸镀锌,即在济南铁艺护栏在熔化的锌液中在表面生成锌铁合金层及纯锌层,用以隔绝铁艺工件被氧化的机会。防锈期长达20-50年以上,期间无需维修,安全可靠,是铁艺工件的防锈方法。
The effective and practical rust prevention method for iron guardrails is hot-dip galvanizing, which generates a zinc iron alloy layer and a pure zinc layer on the surface of Jinan iron guardrails in molten zinc solution to isolate the opportunity for iron workpieces to be oxidized. The rust prevention period can last for more than 20 to 50 years, requiring no maintenance during this period. It is safe and reliable, and is a rust prevention method for iron workpieces.
热浸镀锌的工艺流程
Process flow of hot-dip galvanizing
1、酸洗前检查处理:检查铁艺工件是否具备本厂镀锌的工艺孔(排气、出入锌夜、吊挂),铁艺工件表面的锈蚀程度,表面覆盖物能否被盐酸除去(如有油漆、油脂等应采用火烧、打磨、碱洗等法除去)。
1. Inspection and treatment before acid pickling: Check whether the iron workpieces have the process holes for galvanizing in our factory (exhaust, inlet and outlet of zinc, hanging), the degree of rust on the surface of the iron workpieces, and whether the surface covering can be removed by hydrochloric acid (if there is paint, grease, etc., it should be removed by burning, polishing, alkali washing, etc.).
2、脱脂(碱洗):配有加热设备,消除铁艺工件表面的油脂、涂料等。
2. Degreasing (alkaline washing): Equipped with heating equipment to eliminate grease, coatings, etc. on the surface of iron workpieces.
3、水洗:清除铁艺工件表面的碱水及附着物。
3. Water washing: Remove alkaline water and attachments from the surface of iron workpieces.
4、酸洗:除去铁锈、氧化皮等其它表面覆盖物
4. Pickling: Remove rust, oxide skin, and other surface coverings
5、酸洗后检查处理:酸洗效果是否理想,如酸洗不充分,再次酸洗,如果酸洗前处理不彻底,需重新处理后再次酸洗。
5. Inspection and treatment after pickling: Check whether the pickling effect is ideal. If the pickling is not sufficient, rinse again. If the pre pickling treatment is not thorough, rinse again after reprocessing.
6、水洗:除去铁艺工件表面的酸水及其它附着物
6. Water washing: Remove acid water and other attachments from the surface of iron workpieces
7、上助镀剂:再次清洗工件表面,保证表面在镀锌之前不在生锈。
7. Plating aid: Clean the surface of the workpiece again to ensure that the surface does not rust before galvanizing.
济南铁艺护栏
8、烘干:提高铁艺工件温度,避免铁艺表面水分过多,在镀锌时发生爆炸。
8. Drying: Increase the temperature of iron workpieces to avoid excessive moisture on the surface of iron, which can cause explosions during galvanizing.
9、热浸锌:工件浸泡于440℃-470℃熔融的锌液中,达到一定时间后提出,铁艺工件表面被获得一层锌铁合金层和纯锌层镀层。
9. Hot dip galvanizing: The workpiece is immersed in molten zinc solution at 440 ℃ -470 ℃, and after a certain period of time, a zinc iron alloy layer and a pure zinc layer coating are obtained on the surface of the iron workpiece.
10、钝化:提供工件表面抗大气的腐蚀性能,减少或延长白锈出现的时间。
10. Passivation: Provides atmospheric corrosion resistance on the surface of the workpiece, reducing or extending the time for white rust to appear.
11、冷却:防止工件激冷回缩,产生集体组织开裂。
11. Cooling: To prevent the workpiece from being quenched and shrunk, resulting in collective tissue cracking.
12、精整:清除锌瘤及附着在镀层表面的锌灰
12. Finishing: Remove zinc nodules and zinc dust adhering to the surface of the coating
13、检验:镀层的检验和测定,工件的外观检查。
13. Inspection: Inspection and measurement of coating, visual inspection of workpieces.
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