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山东铸铁护栏的防锈处理及工艺流程

来源:http://www.kpp647.com/添加时间:2019-03-25 17:34:48

热浸镀锌的工艺流程、酸洗前检查处置检查铁艺工件能否具备本厂镀锌的工艺孔(排气、出入锌夜、吊挂),铁艺工件外表的锈蚀水平,外表掩盖物能否被盐酸除去。

Hot dip galvanizing process, inspection and disposal before pickling to check whether the iron workpiece has galvanized process holes (exhaust, galvanizing night, hanging), the level of rust on the surface of the iron workpiece, and whether the outer cover can be removed by hydrochloric acid.

1、脱脂(碱洗)配有加热设备,消弭铁艺工件外表的油脂、涂料等。

1。 Degreasing (alkali washing) is equipped with heating equipment to eliminate grease and paint on the surface of iron workpieces。

2、水洗肃清铁艺工件外表的碱水及附着物。

2. Washing and removing alkali water and adhesives on the surface of iron workpieces.

3、酸洗除去铁锈、氧化皮等其它外表掩盖物、酸洗后检查处置:

3. Check and dispose after pickling to remove rust, oxide scales and other external masks.

酸洗效果能否理想,如酸洗不充沛,再次酸洗,假如酸洗前处置不彻底,需重新处置后再次酸洗。

Whether the pickling effect is ideal, such as inadequate pickling, pickling again, if the treatment before pickling is not thorough, need to be re-disposed after pickling again.

4、水洗除去铁艺工件外表的酸水及其它附着物、上助镀剂再次清洗工件外表,保证外表在镀锌之前不在生锈。

4。 Remove the acid water and other attachments on the surface of iron workpiece by water washing, and clean the surface of workpiece again with plating aids to ensure that the surface does not rust before galvanizing。

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5、烘干进步铁艺工件温度,防止铁艺外表水分过多,在镀锌时发作爆炸。

5。 Drying improves the temperature of iron workpiece, prevents excessive moisture on the surface of iron workpiece, and explodes when galvanizing。

6、热浸锌工件浸泡于440℃-470℃熔融的锌液中,到达一定时间后提出,铁艺工件外表被取得一层锌铁合金层和纯锌层镀层。

6。 Hot-dipped zinc workpiece is immersed in molten zinc solution at 440-470 C。 After reaching a certain time, it is proposed that a zinc-iron alloy layer and a pure zinc layer are obtained on the surface of the iron workpiece。

7、钝化提供工件外表抗大气的腐蚀性能,减少或延长白锈呈现的时间。

7. Passivation provides atmospheric corrosion resistance of workpiece appearance, reducing or prolonging the time of white rust appearance.

8、冷却避免工件激冷回缩,产生集体组织开裂。

8. Cooling avoids chilling shrinkage and collective organization cracking.

9、精整肃清锌瘤及附着在镀层外表的锌灰、检验镀层的检验和测定,工件的外观检查。

9. Clean up zinc tumors and zinc ash attached to the coating surface, test and determine the coating, and inspect the appearance of the workpiece.

以上精彩内容由山东铸铁护栏整理提供,更多关于铸铁护栏的详情可收藏我们的官网:http://www.kpp647.com谢谢大家的支持。

The above wonderful contents are provided by Shandong cast iron guardrail. More details about cast iron guardrail can be collected on our official website: http://www.kpp647.com. Thank you for your support.


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