The use of spiral steel pipes for anti-corrosion

Due to the corrosion of steel pipelines and equipment, production companies have stopped production and the quality of products has declined. It affects the domestic supply, gas supply, heating steam or hot water, and brings many difficulties to people's lives. Leakage of buried oil, gas, water and other pipelines and pipe networks, enterprise oil refining, chemical, chemical fiber, fertilizer, pharmaceutical and other pipelines and equipment running, leaking and dripping. In addition to losing a large amount of useful materials, it also causes serious environmental pollution, and even causes catastrophic accidents such as fires, explosions, and collapses. Given the ubiquity of metal corrosion. In order to prevent or slow down the occurrence of metal corrosion. Various metal anti-corrosion technologies and processes have emerged. Promotion and application of new metal anti-corrosion processes, new materials and new equipment. Extend the service life of pipeline equipment, save money and meet safety production requirements. my country's petrochemical, public utilities and other industries. Pipelines are perforated 20,000 times per year due to corrosion. It mainly occurs at the interface of the steel pipe and the bumps on the pipe itself.

The corrosion problem of spiral steel pipes commonly occurs in various departments of the national economy and national defense construction, causing huge losses to the national economy. It also causes great difficulties in production and life. Steel pipes are corroded all the time under natural conditions (atmosphere, natural water, soil) or man-made conditions (acid, alkali, salt and other media). A spontaneous and unnecessary consumption. The fundamental reason is that steel pipes are in a thermodynamically unstable state. Under the above conditions, they will return to their original relatively stable state, generate iron oxides, carbonates, etc., or transform into soluble ions. This process is the process of metal corrosion process. Corrosion products form a scale layer, which affects heat transfer and medium flow rate, reduces heat transfer efficiency, and greatly increases energy consumption. The annual economic loss caused by corrosion in my country is as high as 280 billion yuan, which is more than the total annual wind disasters, floods, earthquakes, fires and other natural disasters combined. Anti-corrosion spiral steel pipes are also required.