Physical spot 3PE anti-corrosion seamless steel pipe natural gas pipeline 3PE anti-corrosion manufacturer

Description :

　　The 3PE anti-corrosion coating for buried steel pipes with surface pitting is a pipeline anti-corrosion coating developed and successfully applied in Europe, represented by Germany in the 1980s. It consists of three materials: bottom layer epoxy powder, intermediate adhesive, and outer layer polyethylene. The epoxy powder coating has excellent adhesion and oxidation resistance to metals, while the polyethylene coating has excellent impact resistance and water penetration resistance. The combination of the intermediate adhesive and the coating fully demonstrates their respective advantages and compensates for their disadvantages. Due to the excellent comprehensive properties of 3PE coatings, they have been widely used worldwide. Therefore, in some large-scale pipeline projects, 3PE anti-corrosion steel pipes become coated anti-corrosion.

　　3PE anti-corrosion steel pipe, as an emerging anti-corrosion product, has developed rapidly in recent years and has adopted 3PE coating anti-corrosion technology in many major pipeline laying projects. The main reasons why 3PE anti-corrosion steel pipe has developed so rapidly in the pipeline field are as follows: *, it complies with national energy-saving policies, and the product of this project complies with national energy-saving policies. The 3PE anti-corrosion steel pipe, due to the application of 3PE anti-corrosion coating technology on the pipeline, has increased the service life of the original pipeline by more than twice. The increase in service life is also the utilization in energy conservation. Secondly, domestically, 3PE anti-corrosion technology adopts advanced production technology, energy-saving equipment, low pollution, low energy consumption, and product quality reaches an advanced level, which can meet the quality requirements of downstream markets for products. The product market space is vast, the industrial development prospects are good, and the enterprise has great development space. *In recent years, 3PE anti-corrosion steel pipes have been significantly utilized in the pipeline industry, and 3PE coating technology has been adopted in major national projects. Thirdly, the promotion of 3PE anti-corrosion technology enables the location of the technology to have high-tech resources, as the nature of the enterprise requires stable electricity, and makes labor resources more stable. Fourthly, the financial evaluation and analysis of the construction and development of 3PE anti-corrosion technology and production lines are good. This project has good financial and economic benefits, and due to its high technology, the enterprise has a certain degree of risk resistance ability. In short, the construction of 3PE projects can maintain the stable development of enterprises and play a positive role in promoting local economic development. In line with national environmental protection and other policies, the 3PE anti-corrosion project will have greater development in the future.

　　The widespread promotion and use of 3PE coatings, as well as the rapid development of complementary joint materials. From the initial adoption of 3PE anti-corrosion technology for the Shaanxi Beijing pipeline and the Kushan pipeline, the development has progressed to the West East Gas Pipeline Project, the Shaanxi Beijing Second Line Project, as well as domestically produced three-layer radiation cross-linking structures, radiation cross-linking heat shrink sleeves, and heat shrink belts as the main and auxiliary situations. The three-layer structure of the reactive hot melt adhesive produced by a well-known internal heat shrink material manufacturer has almost 3PE performance except for its inferior thermal performance. To solve the problem of sliding of the fixed sheet of the heat shrink tape, once adhered, the heat shrink tape can be evenly baked in the circumferential direction like the heat shrink sleeve, without worrying about sliding under the fixed sheet, completely solving the problems of cutting and stealing of the heat shrink sleeve and contamination of the inner layer of hot melt adhesive. The 3PE anti-corrosion coating combines the high impermeability and mechanical properties of epoxy resin and polyethylene materials. So far, it is globally recognized as an effective and high-performance pipeline anti-corrosion coating, which has been applied in many engineering projects. 3PE anti-corrosion steel pipes have a wide coverage and are suitable for underground water supply and drainage, underground spraying, positive and negative pressure ventilation, gas drainage, fire sprinkler and other pipe networks in coal mines. Thermal power plant process water waste residue and return water transportation pipeline. The anti-corrosion of the outer wall of steel pipes generally consists of three layers: the first layer of epoxy powder (FBE>100um), the second layer of adhesive (AD) 170-250um, and the third layer of polyethylene (PE) 2.5-3.7mm; In practical operation, the three materials are mixed and integrated into one, and processed to firmly bond with the steel pipe to form an excellent anti-corrosion layer. The processing methods are generally divided into two types: winding and circular mold wrapping; Currently, countries around the world attach great importance to research on corrosion control issues, and have achieved many results in the field of pipeline anti-corrosion coatings, with various new materials and innovations constantly emerging. 3PE anti-corrosion steel pipe polyethylene three-layer structure protective layer, also known as three-layer PE (3PE), is an advanced anti-corrosion technology introduced from abroad in recent years.

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