Manufacturer of 3PE anti-corrosion steel pipes for oil pipelines

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　　3PE anti-corrosion for oil pipelines

　　According to relevant information, three-layer PE can extend the service life of buried pipelines to 50 years. Currently, it is considered an advanced pipeline external anti-corrosion technology internationally. Since its application in natural gas pipelines, 3PE anti-corrosion steel pipes have reduced corrosion losses by at least 70% in China. 3PE anti-corrosion steel pipes not only reduce losses, but also have safety and corrosion resistance. According to authoritative department testing, buried pipelines using 3PE anti-corrosion technology can have a service life of up to 50 years. 3PE anti-corrosion steel pipes have extremely high sealing performance, and long-term operation can greatly save energy, reduce costs, and protect the environment. Normal production began in early 1996. How much does 3PE anti-corrosion cost, 3PE anti-corrosion steel pipe, and how many tons of 3PE anti-corrosion steel pipe. 3PE anti-corrosion steel pipes were first widely used in Europe and received high praise from users. It is the most commonly used pipeline coating system. Years of practice have shown that with the increase of service life, the coating system with the least defects is FBE/extruded polyethylene 3-layer structure anti-corrosion system.

　　In the three-layer structure, the main function of the fusion bonded epoxy powder coating is to form a continuous coating film, directly bond with the surface of the steel pipe, and have good chemical corrosion resistance and cathodic stripping resistance; Chemical bonding is formed by reacting with the active groups of the intermediate layer adhesive, ensuring good adhesion of the overall anti-corrosion layer at high temperatures. In the same year, it was upgraded to the industry standard SY/T4013. After several years of engineering construction summary and practice, it was revised to SY/T0413 in 2001 and implemented from August 1, 2002. The main drawbacks of other reported anti-corrosion methods such as IPN8710, FBE epoxy powder, and epoxy coal tar pitch include dew point, peeling, cathodic peeling, cathodic protection shielding, and corrosion under the peeling anti-corrosion layer film. Moreover, most of the reports on defects are still in the theoretical speculation stage, such as the issue of cathodic protection shielding mentioned in the data. So far, there have been no case reports of cathodic protection shielding in the actual operation of the anti-corrosion layer. The experiment has ended, and there is peeling around the defect of the anti-corrosion layer to some extent, but corrosion is found in the peeling area.

　　How many tons of 3PE anti-corrosion steel pipe. Steel pipes are used in different working environments. In order to slow down or prevent the corrosion and deterioration of pipelines under the chemical and electrochemical action of external media or the metabolic activity of microorganisms, 2 or 3 layers of polyethylene (3PE) are coated on their outer walls to achieve pipeline anti-corrosion. The service life of 3PE anti-corrosion pipes is extended by 3-5 times for process pipelines transporting corrosive media in industries such as petroleum transportation pipelines, chemical engineering, printing and dyeing, thermal power plants, process water waste residue, and return water transportation pipelines. The strengthened 3PE anti-corrosion pipeline has strong sealing performance, and long-term operation can save a lot of energy, reduce energy costs, and protect the environment. And it also has strong waterproof and corrosion-resistant capabilities, making construction simple and fast. It usually has good corrosion and impact resistance even under low temperature conditions, and PE has a low water absorption rate (less than 0.01%). The general service life can reach 30-50 years, and correct installation and use can greatly reduce the cost of pipeline maintenance. Simultaneously possessing high epoxy strength, low water absorption of PE, and good flexibility of hot melt adhesive, it has high anti-corrosion reliability. However, its disadvantage is that compared with other joint repair materials, the cost is high. So the feasibility of researching 3PE anti-corrosion pipelines in the later stage is still relatively high. I hope there will be better development in the future.

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