A novel multifunctional composite steel pipe and its preparation method

Abstract

The invention relates to the field of steel pipe equipment, and discloses a novel multifunctional composite steel pipe and a preparation method thereof, comprising a steel pipe body and connecting mechanisms fixed at both ends of the steel pipe body, and a plastic layer is provided on the outer surface of the steel pipe body, so that The inner surface of the steel pipe body is provided with a reinforcement layer, and the inner side of the reinforcement layer is coated with an anti-corrosion layer; the connection mechanism is circular, and the diameter of the connection mechanism is greater than the outer diameter of the steel pipe body. It includes a bolt hole, a bolt post, a bolt cap and a sealing washer, the sealing washer is arranged at the end of the steel pipe body, and the outer surface of the connecting mechanism is provided with a plastic layer and an anti-skid pad in sequence. The invention has reasonable structural design, enhanced strength of the steel pipe, is not easy to corrode, and the appearance is not easy to be scratched and worn. At the same time, the two ends of the steel pipe are provided with connecting structures, which can seamlessly connect the steel pipes. Climb to increase the efficiency and speed of dealing with emergencies.

Description

technical field [0001] The invention relates to the field of steel pipe equipment, in particular to a novel multifunctional composite steel pipe and a preparation method thereof. Background technique [0002] The steel pipe is used to transfer fluid and powder, exchange heat and produce mechanical parts and containers, what's more it's a kind of economical steel. Using steel pipes to manufacture building structure grids, pillars and mechanical supports can reduce weight, save metal by 20-40%, and realize factory-like mechanized construction. The use of steel pipes to manufacture highway bridges can not only save steel and simplify construction, but also greatly reduce the area of ​​the protective layer, saving investment and maintenance costs. [0003] As an essential material in oil drilling, refining, metallurgy, construction and other industries, steel pipes are used more and more frequently. They can be used to transport fluids and powdery solids, exchange heat, and man...

AI Technical Summary

Problems solved by technology

Steel pipes are often used in the petrochemical industry. These steel pipes can be used for the transportation of crude oil and chemical raw materials. Steel pipes have played a great role in the petrochemical industry, but some steel pipes cannot be well maintained when they are used. The corrosion resistance of the inner cavity is prone to rust in the inner cavity, which cannot guarantee the working effect of the steel pipe, and some industries use a large number of stainless steel pipes for corrosion resistance. During use, some stainless steel pipes have low strength and shorten The service life of the steel pipe has been shortened, and the safety index has yet to be verified, which has buried a great hidden danger for safety accidents; at the same time, the construction height of some steel pipes is relatively high, and the construction difficulty increases. The construction process is time-consuming and laborious, and the later maintenance is difficult. , high steel pipes cannot be repaired or processed in time, resulting in low work efficiency

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