Deoiling and degreasing powder and preparation method thereof

Abstract

The invention relates to the field of metal surface cleaning, in particular to deoiling and degreasing powder for cleaning heavy oil dirt and other dust on the metal surface and a preparation method thereof. The deoiling and degreasing powder is prepared from the following raw materials in parts by weight: 24 to 32 parts of alkaline compound, 40 to 50 parts of inorganic salt, 4 to 6 parts of auxiliary, 11 to 19 parts of chelating agent and 6 to 10 parts of surfactant; The deoling and degreasing powder provided by the invention has a good permeation effect on heavy oil dirt and oil stain at normal temperature, can quickly remove various heavy oil dirt and black ash generated by high-carbon steel, has a corrosion inhibition effect on a base material, has a good water washing property, does not contain harmful substances, and is safe and environment-friendly.

Description

technical field [0001] The invention relates to the field of metal surface cleaning, in particular to a degreasing and degreasing powder for cleaning heavy oil dirt and other metal dust on the metal surface and a preparation method thereof. Background technique [0002] In metal surface pretreatment, degreasing and degreasing are very important steps. The oil stain on the metal surface is brought from the process of material processing and the completion of parts processing. In the process of storage and transportation, products such as anti-rust oil will be used for anti-rust. [0003] At present, the methods of metal surface degreasing and degreasing mainly include the following categories: organic solvent method, chemical method, electrochemical method and water-based cleaning agent method. Commonly used organic solvents cannot completely remove all kinds of heavy grease, especially the metal oxides on it, black ash and other dust produced by high-carbon steel cannot be ...

AI Technical Summary

Problems solved by technology

Commonly used organic solvents cannot completely remove all kinds of heavy grease, especially the metal oxides on it, black ash and other dust produced by high-carbon steel cannot be effectively cleaned; and chlorinated solvents are not only highly toxic, but also hydrolyzed. The trend is that under wet conditions, there will be corrosion to the workpiece; at the same time, chemical and electrochemical methods for wax and degreasing must use strong acid or strong alkali, which will corrode metals, so they are not suitable for cleaning; and phosphorus-containing cleaning agents are harmful to The environment is polluted

[0004] In addition, although the degreasing and degreasing powder currently on the market can clean the grease on the metal surface to a certain extent, due to its composition, content and process defects, the cleaning of heavy oil dirt and black ash produced by high carbon steel is difficult. The effect is poor, and the rust resistance is very poor. The metal parts after cleaning are easy to rust, and the product has a lot of foam, the cleaning efficiency is poor, and it needs to be cleaned in a high temperature environment

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