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Surface treatment method of anti-corrosion spiral steel pipe

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1. Use solvents and emulsions to clean the surface of anti-corrosion spiral steel pipes. This can remove organic matter on the surface of spiral steel pipes, but it cannot remove surface rust, oxide scale, flux, etc., so cleaning can only be used as an auxiliary means.

2. Use wire brushes, sandpaper, and other tools to polish the surface of the anti-corrosion spiral steel pipe to remove loose scale, rust, welding slag, etc.

3. Chemical pickling is used for pipeline anti-corrosion, which can remove oxide scale, rust, and old coatings, and make the surface reach a certain level of cleanliness and roughness.

4. The high-power motor drives the spraying (throwing) blades to rotate at high speed, so that abrasives such as steel sand, steel shots, iron wire segments, minerals, etc. can spray (throw) the surface of the anti-corrosion steel pipe under the action of centrifugal force, which can not only completely remove Rust, oxides and dirt, and anti-corrosion steel pipes can also achieve the required uniform roughness under the action of violent impact and friction of abrasives.




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