Measures for maintenance and upkeep shelves

　　How to maintain the frame after prolonged use? For the question of how to maintain the frame after prolonged use, let's take a look together!

　　1. Polish and remove rust. It is a useful disposal method to achieve rust removal by throwing abrasive onto the surface of the smart frame through high-speed modification of the impeller. It not only has high production power, but also has low cost and high automation level. It can complete the assembly line operation with less pollution, but can only be done indoors.

　　2. Wipe the rusted parts of the Qiao fixed frame with hydrochloric acid, remove the rust, and then apply paint. However, it should be noted not to soak rusted areas in dilute hydrochloric acid for too long, otherwise the substances inside will also undergo chemical reactions after removing the surface rust.

　　3. High pressure water abrasive rust removal. Using the impact of high-pressure water jet to destroy the adhesion of rust and coating to the smart frame. Its characteristics are no dust pollution, no damage to smart frames, high rust removal power, and good rust removal quality. However, after rust removal, it is prone to rusting and requires the application of specialized wet rust removal coatings, which have a significant impact on the application of general functional coatings.

　　4. Cold storage shelves are actually shelves coated with zinc using galvanizing technology, as most of the raw materials used to make cold storage shelves are iron. Assuming prolonged exposure to air, especially in humid environments, rusting will occur more easily, which will greatly affect the use of cold storage shelves. When the surface of the galvanized cold storage rack is damaged, the appearance of the internal iron is exposed. Zinc is more vibrant than iron, so according to the principle of chemical batteries, zinc will first oxidize in iron and then adhere to the iron layer without damage.

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