Rust refers to the oxide produced when the metal surface comes into contact with oxygen, water, and acidic substances in the air, such as Fe0, Fe3O4, FeO3, etc. It is generally referred to as rust. The rust removal methods for diesel generator sets mainly include mechanical method, chemical acid washing method, and electrochemical corrosion method. Here is a detailed introduction for everyone:

(1) Chemical method is a chemical method used to dissolve corrosion products on metal surfaces. The principle of this phenomenon is the dissolution of metals by acids, as well as the mechanical action of hydrogen produced in chemical reactions on the rust layer, which causes the rust layer to fall off. Common acids include hydrochloric acid, phosphorus sulfate, etc.

(2) Electrochemical corrosion refers to the process of removing rust from components by placing them in a direct current electrolyte through chemical reactions. This method is faster than chemical methods and can better protect the base metal and reduce acid consumption.

(3) Mechanical methods utilize the friction, cutting, and other effects between mechanical components to remove the rust layer on the surface of the parts. Usually, methods such as brushing, polishing, and sandblasting are used. For surfaces of irrelevant parts, only mechanical rust removal can be carried out.

In addition, the surface of the parts is coated with protective paint, which should be completely or partially removed according to the degree of damage and the requirements of the protective layer. After cleaning, prepare to spray paint once it is clean. To complete each cleaning process, a set of cleaning equipment with different purposes can be used, including spray type water guns, immersion type water guns, spray type water guns, integral cleaning machines, circulating cleaning machines, etc. What kind of equipment should be chosen, considering its purpose and production location.

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