A production method of non-metallic armored wires

Abstract

The invention relates to a production method of non-metallic armored wire, which comprises the following steps: carrying out coupling modification treatment on ultra-high molecular weight polyethylenefibers by infrared oven baking; impregnation of synthetic polyurethane resin; performingforming in the mould and heating and solidifying, and entering into a traction mechanism to obtain a non-metallic armored wire inner core; After coating, the non-metallic armored wire is produced. The non-metallic armored yarn produced by the method has strong adaptability to environment, good tensile strengthand tensile modulus, convenient use, and is suitable for 10,000 meters deep sea, and has high production efficiency and high performance-price ratio. At the same time, the method can realize the continuous production of non-metallic armored wire with large length.

Description

technical field [0001] The invention relates to a production method of an armored wire for an umbilical cord, belonging to the technical field of composite optical cable materials. Background technique [0002] The umbilical cable is the key equipment for deep-sea energy development. It is responsible for the "signal" and "substance" communication between the underwater mining subsystem and the surface floating mother platform. It occupies a very important position in the process of underwater oil and gas development. Developed "nervous system" and "umbilical cord of life". [0003] With the continuous breakthrough of the maximum diving depth of Remotely Operated Vehicles (ROV), especially the 10,000-meter deep-sea ROV development project, the development of umbilical cables for deep-sea ROVs has become an urgent task for my country's deep-sea technology. However, the existing deep-sea ROV umbilical cables are metal-armored umbilical cables, and steel wires are used as the ...

AI Technical Summary

Problems solved by technology

Although this type of cable can meet the requirements of marine engineering cables in the short term, it still has disadvantages: the cable uses steel wire as a load-bearing member, and the steel wire has a large specific weight. After the cable is coated with steel wire, the weight of the cable body increases greatly, which is It is not conducive to laying and use, and it is also not conducive to use in deeper seabeds; this type of cable is armored with steel wire. Since the steel wire is a magnetic metal, hysteresis loss will occur during the transmission of the power cable, causing interference to the core. In order to avoid For this type of interference, a shielding layer needs to be added inside the armor layer, which increases materials and costs; metal pipes and wire armor are used as sampling pipelines and load-bearing structures are easily shaken by deep water pressure and buoyancy, resulting in cable insulation Material damage, short-circuiting of cables due to insulation operations

Notification number is the utility model patent of CN203366804U, although it adopts the braided fabric layer that polyethylene fiber and non-woven fabric wrapping constitutes as non-metal reinforcement layer to improve load weight, it still has shortcoming, the first, the braided fabric is used as a whole The reinforcement layer is not used as an armor wire, which makes it inconvenient to use, and it is not convenient to adjust the layout of the armor layer according to the depth of the umbilical cable to achieve the required strength; second, the overall tensile strength of the reinforcement layer Strength and tensile modulus are not conducive to control; third, the adaptability to the environment such as temperature, chemical resistance, etc. is not strong; fourth, it is not convenient for production and assembly

The prior art also uses FRP and aramid fiber as the braided fabric layer, but its tensile strength and tensile modulus are relatively insufficient, and it is impossible to produce super-long armored wires, which is not conducive to use below 10,000 meters in deep sea

[0005] The prior art does not disclose a production method suitable for high-performance non-metallic armored wires, especially a production method that can realize continuous extrusion molding, a high degree of automation control, high production efficiency, and continuous large lengths, which seriously restricts high-performance Development of performance non-metallic armor wire

Images