In the steel structure engineering design, a lot of steel is needed, but if the steel used in the construction is rusty, the service life will be greatly shortened. It is also a challenge to personal safety. The collapse of houses is common. In recent years, more and more attention has been paid to it. Today, Fangtong steel structure teaches you some rust removal methods!
1. Pickling is to dip the steel members to be coated into the acid tank and remove the oil and rust on the surface of the members with acid. The efficiency of pickling process is also high and the rust removal is thorough. However, after pickling, the components must be washed with hot water or clean water. If there is residual acid, the components will be more severely rusted.
2. Manual derusting is to remove the rust on the steel members by using some simple tools, such as scraper, grinding wheel, emery cloth, wire brush, etc. This method has low efficiency, poor working conditions and incomplete rust removal.
3. Sand blasting derusting is a kind of derusting method that uses the pressure of compressed air to continuously impact the surface of steel members with quartz sand or iron sand, clean up the rust, oil and other sundries on the steel surface, and expose the true color of metal steel. This method has high efficiency and thorough rust removal. It is an advanced rust removal process.