In recent years, with the development of urban underground pipeline facilities and the replacement of aging facilities, the technical innovation of direct-buried thermal insulation pipes has been rapidly developed. For buried insulation pipes, because the wet underground environment will corrode the pipes and cause the life of the pipes to be reduced, the rust prevention treatment of the insulation pipe technology is critical to maintain the corrosion resistance of the pipes and increase the service life of the pipes. Here are two types of directly buried insulation pipe to prevent rust treatment technology.
1, shot peening technology This technology is mainly through the use of air and high-pressure water flow, through a dedicated nozzle, so that high-speed abrasive flow, impact, friction, by this way to remove the steel surface rust, oxide scale, pollutants and attachments, clean up After that, the steel does not change color, and it will form a suitable cleanliness and roughness.
2. Shot Blasting Technology This technology is mainly aimed at boilers with large steel consumption and petrochemical machinery enterprises. This is under the action of high-speed rotating head blades. The abrasives are thrown onto the steel surface by means of large radial and tangential speeds. This achieves the purpose of removing impurities.
In addition, we can also use high-pressure water cleaning, high-pressure water sand cleaning methods, these methods have a good removal effect, high efficiency, significant comprehensive economic benefits, can effectively extend the life of buried insulation pipe
1, shot peening technology This technology is mainly through the use of air and high-pressure water flow, through a dedicated nozzle, so that high-speed abrasive flow, impact, friction, by this way to remove the steel surface rust, oxide scale, pollutants and attachments, clean up After that, the steel does not change color, and it will form a suitable cleanliness and roughness.
2. Shot Blasting Technology This technology is mainly aimed at boilers with large steel consumption and petrochemical machinery enterprises. This is under the action of high-speed rotating head blades. The abrasives are thrown onto the steel surface by means of large radial and tangential speeds. This achieves the purpose of removing impurities.
In addition, we can also use high-pressure water cleaning, high-pressure water sand cleaning methods, these methods have a good removal effect, high efficiency, significant comprehensive economic benefits, can effectively extend the life of buried insulation pipe
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