Regarding the rust prevention treatment of iron guardrails. Here are some important considerations:

表面处理：在安装之前，对铁艺护栏进行表面处理是非常重要的一步。首先，清洁护栏的表面，去除污垢和杂质。然后，使用合适的工具（如砂纸、钢丝刷等）将锈迹和旧漆层彻底清除。，涂上适当的防锈底漆，以提供有效的防锈保护。

Surface treatment: Before installation, surface treatment of the iron guardrail is a very important step. Firstly, clean the surface of the guardrail to remove dirt and impurities. Then, use suitable tools such as sandpaper, wire brush, etc. to thoroughly remove the rust and old paint layer. Finally, apply appropriate anti rust primer to provide effective anti rust protection.

选择合适的涂料：选择耐候性好、抗腐蚀能力强的涂料来进行涂覆。优质的涂料应具有防锈、防腐蚀和抗紫外线的特性，以保护铁艺护栏不受氧化和腐蚀的影响。

Choose the appropriate coating: Choose a coating with good weather resistance and strong corrosion resistance for coating. High quality coatings should have rust, corrosion, and UV resistant properties to protect iron guardrails from oxidation and corrosion.

定期检查和维护：定期检查铁艺护栏的表面是否有损伤或破损，如果发现任何问题，应及时修复和重新涂覆。此外，还要确保周围环境干燥，避免积水和湿度过高的情况，这有助于减少铁艺护栏的锈蚀。

Regular inspection and maintenance: Regularly inspect the surface of the iron guardrail for damage or damage. If any problems are found, they should be repaired and repainted in a timely manner. In addition, it is necessary to ensure that the surrounding environment is dry and avoid water accumulation and high humidity, which can help reduce the corrosion of iron guardrails.

环境控制：在选择安装位置时，尽量避免将铁艺护栏暴露在潮湿、多雨或有腐蚀性气体的环境中。如果无法避免，可以考虑增加防护措施，如使用防水涂层或添加防锈剂。

Environmental control: When selecting the installation location, try to avoid exposing the iron guardrail to damp, rainy, or corrosive gases. If unavoidable, additional protective measures can be considered, such as using waterproof coatings or adding rust inhibitors.

定期清洁和保养：定期清洁铁艺护栏的表面，去除灰尘、污垢和其他杂质。可以使用温和的清洁剂和软布进行清洁，然后用清水冲洗干净，并及时擦干。

Regular cleaning and maintenance: Regularly clean the surface of the iron guardrail to remove dust, dirt, and other impurities. You can use a mild cleaning agent and soft cloth for cleaning, then rinse with clean water and wipe dry in a timely manner.

总之，通过正确的表面处理、选择合适的涂料、定期检查和维护，以及控制周围环境和定期清洁，可以有效地延长铁艺护栏的使用寿命并提供良好的防锈保护。

In short, by proper surface treatment, selecting appropriate coatings, regular inspection and maintenance, as well as controlling the surrounding environment and regular cleaning, the service life of iron guardrails can be effectively extended and good rust prevention protection can be provided.