The process of boiler anti-corrosion spraying?

       Keywords on this page: boiler spraying, thermal spraying, boiler anti-wear spraying, boiler anti-corrosion spraying, supersonic arc spraying, boiler heating surface anti-wear anti-corrosion, boiler water wall anti-wear spraying, deflector anti-wear, wear-resistant plate installation, Boiler deflector installation, longitude and latitude anti-wear

1. First of all, it is necessary to check the wear condition. Checking the wear condition of the tube wall is the first step of anti-corrosion spraying in the furnace. The spraying plan should be formulated according to the different wear conditions of each boiler. If the wear is large, a wider range of spraying needs to be done. , If the wear is small, you can do individual repairs.



2. Before spraying, certain treatment should be carried out. For example, if there is a pit in local wear, repair welding can be done first, and then spraying.



3. Sandblasting, the surface of the sprayed substrate must meet the requirements of cleaning and texture. Sandblasting is to make the water wall surface grayish-white metal appearance and uniform roughening. This increases the strength of the spray.



4. For spraying, use supersonic arc spraying technology to spray the water wall, and the spraying surface needs to be uniform and dense.