WO2021164230A1 - Câble sous-marin blindé non métallique - Google Patents

Câble sous-marin blindé non métallique Download PDF

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Publication number
WO2021164230A1
WO2021164230A1 PCT/CN2020/112268 CN2020112268W WO2021164230A1 WO 2021164230 A1 WO2021164230 A1 WO 2021164230A1 CN 2020112268 W CN2020112268 W CN 2020112268W WO 2021164230 A1 WO2021164230 A1 WO 2021164230A1
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WIPO (PCT)
Prior art keywords
layer
armor
metal
armored
metallic
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PCT/CN2020/112268
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English (en)
Chinese (zh)
Inventor
王文超
胡明
赵囿林
王丽媛
叶成
李雷
聂影
谢书鸿
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中天科技海缆股份有限公司
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Publication of WO2021164230A1 publication Critical patent/WO2021164230A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/14—Submarine cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • the invention relates to the technical field of submarine cables, in particular to a light non-metal armored submarine cable.
  • submarine cables have gradually developed to large cross-sections, high voltages, and large water depths.
  • the existing AC/DC submarine cable structure generally adopts metal wire armored type, such as steel wire, copper wire, etc., which has a large tensile strength and elastic modulus.
  • the weight of the metal armor layer can generally account for 30-50% of the total weight of the submarine cable. Under the condition that the water depth exceeds 500m, the submarine cable will be affected by the submarine cable laying vessel to several hundred meters underwater.
  • the existing armor type usually adopts a multi-layer reverse metal wire twist type. If the metal armor structure continues to be used, this will cause the weight of the submarine cable to increase. At the same time, the laying and operation of the submarine cable will be affected by large ocean currents and tides, which will cause large bending under the action of large water depths.
  • the multi-layer armored metal wire is easy to cause large elastic stress and produce "lantern" bulging.
  • Phenomenon If a non-metal armor type with a lower density is used, the strength of the non-metal material is difficult to be guaranteed.
  • the purpose of the present invention is to provide a non-metal armored submarine cable, which can reduce the weight of the submarine cable by 25%-50% compared with the submarine cable adopting the metal armor type, and solves the problem of the weight and the weight of the submarine cable under the condition of large water depth.
  • the difficulty of vertical laying and installation is relatively large. While ensuring the tensile and compressive mechanical properties of the deep submarine cable, it also achieves a lighter submarine cable weight, which is beneficial to ensure the safety of the installation and operation of the submarine cable.
  • the non-metallic armor is used The installed components can withstand the tensile requirements of more than 1300MPa, and can meet the mechanical protection requirements of cables in large water depths of 3000m and below.
  • a non-metal armored submarine cable comprising a center cable composed of one or more electric units, an armor layer and an outer coating layer, the outer portion of the center cable is twisted with the armor layer, so The outer sheath of the armor layer is provided with the outer layer, the outer layer is formed by a multi-layer polypropylene winding rope material reversely and tightly wound, and the armor layer is composed of a plurality of round or flat non-metallic materials.
  • the armor element and/or multiple armor wires are twisted to form,
  • the non-metal armored element When the non-metal armored element is circular, the non-metal armored element is composed of a non-metallic rod and an outer sheath extruded outside the non-metallic rod, or is composed of a plurality of stacked non-metallic rods The center rod body and the outer sheath squeezed out of the center rod body are formed,
  • the non-metal armor element When the non-metal armor element is flat, the non-metal armor element is composed of a central rod body composed of a plurality of horizontally arranged non-metal rods and an outer sheath extruded outside the central rod body.
  • the non-metal rod has a round rod structure formed by using aramid fiber material, fiber reinforced composite material or polyethylene material impregnated with polyurethane resin and then heated and solidified, and the diameter of the round rod structure is 2-5 mm, so
  • the outer sheath has a protective layer structure formed by polymer extrusion, and the protective layer structure has a thickness of 1 to 3 mm and a density of 0.96 to 1.15 g/cm 3 .
  • the density of the non-metal armored element is 1.0 to 1.3 g/cm 3 , and when the non-metal armored element is round, the diameter of the non-metal armored element is 4 to 8 mm.
  • the thickness of the non-metal armor element is 3 to 5 mm, and the width is 6 to 8 mm.
  • the sides of the non-metal armor element are all provided with arcs with a radius of 0.2 to 0.8 mm. Chamfer.
  • the central cable is composed of an electrical unit
  • the armor layer includes a first armor layer and a second armor layer
  • the first armor layer is composed of a plurality of round or flat
  • the non-metallic armoring element and/or a plurality of the armoring metal wires are twisted to form
  • the second armoring layer is formed by twisting a plurality of the non-metallic armoring elements in a circular or flat shape or is formed by twisting a plurality of non-metallic armoring elements.
  • the non-metal armored element with a circular or flat shape and a plurality of the armored metal wires with the same shape as the non-metallic armored element are arranged at intervals and then twisted to form, the first armored layer and The stranding direction of the second armor layer is opposite.
  • the first armor layer is formed by twisting a plurality of circular non-metal armor elements
  • a plurality of light units are arranged in the first armor layer, and the light units are connected to the light units.
  • the non-metal armor elements are arranged at symmetrical intervals.
  • a tape layer or an inner lining layer is provided between the first armor layer and the second armor layer.
  • the electrical unit is sequentially provided with a water-blocking conductor, a conductor shielding layer, a conductor insulating layer, an insulating shielding layer, a water-blocking buffer layer, a metal shielding layer, and an inner sheath from the inside to the outside.
  • the inner lining layer is arranged between the inner sheath.
  • the central cable is composed of a plurality of electrical units
  • the armor layer includes a first armor layer and a second armor layer
  • the first armor layer is composed of a plurality of round or flat
  • the non-metal armored element and/or a plurality of the armored metal wires are twisted to form
  • the second armor layer is formed by twisting a plurality of the non-metallic armored elements in a circular or flat shape or is formed by A plurality of round or flat non-metal armor elements and a plurality of the armor metal wires with the same shape as the non-metal armor elements are arranged at intervals and then twisted to form, the first armor layer It is opposite to the twisting direction of the second armor layer.
  • the electrical unit is sequentially provided with a water blocking conductor, a conductor shielding layer, a conductor insulating layer, an insulating shielding layer, a first water blocking buffer layer, a metal shielding layer, a second water blocking buffer, and an inner protective layer from the inside to the outside.
  • a plurality of the electric units are twisted into a cable and a banding layer is bound on the outside thereof, and a filling material is arranged in the gap between the banding layer and the plurality of the electric units to form a filling layer, and the banding
  • An inner lining layer is arranged between the layer and the first armor layer, and the wrapping layer or the inner lining layer is arranged between the first armor layer and the second armor layer.
  • a plurality of optical units are further provided in the gap between the tape layer and the plurality of electrical units.
  • the non-metal armored submarine cable provided by the present invention has the following advantages:
  • the compression coefficient of the conductor can reach 0.94 ⁇ 0.97, which is beneficial to improve the water blocking effect of the submarine cable.
  • the outer diameter of the conductor of the same specification is 0.4 ⁇ 1.5mm smaller than that of the compact circular conductor structure, and the overall outer diameter of the submarine cable is reduced, which can significantly reduce the material cost.
  • the surface hardness of non-metal armored components is lower than that of metal materials such as steel wire and copper wire.
  • the armor is easy to form when stranded, and the internal stress is small. Therefore, it is easy to twist the multi-layer armor structure, the number of armor layers can be 1 to 6, and the adjacent layers are twisted in opposite directions, which is beneficial to the overall torque balance of the deep submarine cable and prevents one side of the submarine cable when the armor is twisted in the same direction Excessive bending and bulging of armor occurred.
  • the non-metallic rod in the non-metal armored element is formed by aramid fiber material impregnated with polyurethane resin and heated and cured. It has high modulus, high strength, high temperature resistance, corrosion resistance and aging resistance, and also has good radial side resistance. Compression and axial tensile strength can significantly improve the overall strength of non-metal armored components.
  • the outer sheath outside the non-metal rod is an extruded polymer sheath. The material has high hardness, low density, and is easy to form. Different extrusion dies can be used to extrude different shapes of outer sheath structures (round, flat), and it has Good wear resistance and corrosion resistance, suitable for complex submarine cable environmental conditions.
  • the overall density of non-metal armored components is 1.0 ⁇ 1.3g/cm 3 , which is only 13% ⁇ 17% of steel wire material and 11% ⁇ 15% of copper wire.
  • the weight advantage of the armor layer under the same specification is obvious. Avoid the vertical force on the submarine cable and the tension in the submarine water caused by the excessive weight of the metal armored submarine cable, and ensure that the submarine cable is not mechanically damaged during construction and operation. At the same time, it reduces the amount of expensive metal materials and reduces the cost of submarine cable manufacturing.
  • the overall tensile strength of non-metal armored components is not less than 1300MPa, which is close to the tensile strength of 1250 grade medium carbon steel wire, which can fully meet the stress conditions of submarine cable construction, installation and operation under the conditions of 3000m and below large water depth.
  • FIG. 1 is a schematic diagram of the structure of a non-metal armored submarine cable provided by the present invention when the non-metal armored element is circular;
  • FIG. 2 is a schematic structural diagram of a non-metal armored submarine cable provided by the present invention when the non-metal armored element is in a flat shape;
  • FIG. 3 is a schematic diagram of the structure of a non-metal armored submarine cable provided by the present invention when it is a single-core non-metal armored cable HA;
  • FIG. 4 is a schematic diagram of the structure when a non-metal armored submarine cable provided by the present invention is a single-core photoelectric composite non-metal armored cable HB;
  • FIG. 5 is a schematic diagram of the structure of a non-metal armored submarine cable provided by the present invention when it is a hybrid armored cable HC;
  • FIG. 6 is a schematic diagram of the structure when a non-metal armored submarine cable provided by the present invention is a hybrid armored cable HD;
  • Fig. 7 is a schematic structural diagram of a non-metal armored submarine cable provided by the present invention when it is a three-core non-metal armored cable HE.
  • Non-metal armored components FA1, FA2 are non-metal armored components FA1, FA2
  • the first water blocking buffer layer HE5 The first water blocking buffer layer HE5
  • a non-metal armored submarine cable the submarine cable includes a center cable composed of one or more electric units, an armor layer and an outer coating layer.
  • the outer part of the central cable is twisted with an armor layer, and the outer sheath of the armor layer is provided with an outer cover layer, which is formed by two layers of polypropylene winding rope material reversely and tightly wound.
  • the armor layer may at least be formed by twisting a plurality of round or flat non-metal armoring elements and/or a plurality of armoring metal wires.
  • the overall tensile strength of non-metal armored components can reach more than 1300MPa, and the density range is 1.0 ⁇ 1.3g/cm 3. It has a series of advantages such as high strength, high hardness, low density, and abrasion resistance. It is suitable for the armor of marine cables. Packing materials.
  • the non-metal armored element includes a non-metal rod 1 and an outer sheath 2, and the outer sheath 2 is sleeved on the periphery of the non-metal rod 1.
  • the material of the non-metal rod 1 is aramid fiber or other fiber-reinforced composite materials, such as carbon fiber, glass fiber, or one of the coupled modified ultra-high molecular weight polyethylene materials, which is impregnated with polyurethane resin and then cured by heating.
  • Rod structure the diameter of the round rod structure is 2-5 mm
  • the outer sheath 2 has a protective layer structure formed by polymer extrusion
  • the thickness of the protective layer structure is 1 to 3 mm
  • the density is 0.96 to 1.15 g/cm 3 .
  • the non-metallic armored element when the non-metal armored element is round, the non-metallic armored element is composed of a non-metallic rod 1 and an outer sheath 2 extruded outside the non-metallic rod 1, denoted by FA1.
  • the diameter of the metal armor element FA1 is 4 to 8 mm.
  • the non-metal armor element FA1 can also be composed of a central rod body composed of a plurality of stacked non-metal rods 1 and an outer sheath 2 extruded outside the central rod body, and this structure is not shown in the figure. In the central rod body, two adjacent non-metal rods 1 are arranged tangentially.
  • the non-metallic armor element when the non-metallic armor element is flat, the non-metallic armor element is composed of a central rod body composed of a plurality of horizontally arranged non-metallic rods 1 and an outer sheath 2 extruded outside the central rod body. constitute.
  • the flat-shaped non-metal armored element there can be 1 to 3 non-metallic rods 1 arranged in a horizontal arrangement to increase the mechanical strength of the flat non-metal armored element.
  • two non-metal rods 1 arranged horizontally are taken as an example, which is represented by FA2.
  • the thickness of the non-metal armored element FA2 is 3 to 5 mm, and the width is 6 to 8 mm.
  • the sides of the non-metal armored element FA2 are provided with arc chamfers with a radian radius of 0.2 to 0.8 mm.
  • this embodiment provides a single-core non-metal armored cable HA. From the inside to the outside, there are a water blocking conductor HA1, a conductor shielding layer HA2, a conductor insulating layer HA3, an insulating shielding layer HA4, and a water blocking buffer layer.
  • HA5 metal shielding layer HA6, inner sheath HA7, inner lining layer HA8, first armoring layer HA9, wrapping layer HA10, second armoring layer HA11 and outer coating layer HA12.
  • the water blocking conductor HA1 is formed by layering and twisting a plurality of aluminum wire materials, and each layer is filled with seawater-proof water blocking glue.
  • the shape of the monofilament is trapezoidal, and the resistivity is not more than 0.028264 ⁇ mm 2 /m at 20°C.
  • the conductor structure type is a molded wire conductor, and the conductor cross-section is 1600mm 2 .
  • Water-blocking conductor HA1 is extruded with conductor shield HA2, conductor shield HA2 is extruded with XLPE insulation HA3, insulated with extruded insulation shield HA4, conductor shield HA2, conductor insulation layer HA3 and insulation shield HA4 adopt three-layer co-extrusion type, One-time extrusion, the conductive shielding layer HA2 and the insulating shielding layer HA4 use a semi-conductive shielding material based on ethylene-vinyl acetate copolymer (EVA) or ethylene-ethyl acrylate (EEA), and the conductor insulation layer HA3 is formed by heating and vulcanizing and cross-linking a mixture of polyethylene resin with cross-linking agent and antioxidant.
  • EVA ethylene-vinyl acetate copolymer
  • EOA ethylene-ethyl acrylate
  • the insulating shielding layer HA4 is coated with a water-blocking buffer layer HA5, and the material is a seawater-proof semiconducting resistance hose with high water absorption rate and expansion rate.
  • the water-blocking buffer layer HA5 is extruded with a metal shielding layer HA6, and the metal shielding layer HA6 is made of seamless alloy lead sleeve, and the material purity is not less than 99.3%.
  • the metal shielding layer HA6 is extruded outside the inner sheath HA7.
  • the material of the inner sheath HA7 is semi-conductive polyethylene, and the material density is 1.15 g/cm 3 .
  • the inner sheath HA7 is wrapped around the inner lining layer HA8, and the inner lining layer HA8 is a layer of polypropylene winding rope material.
  • the inner lining layer HA8 is twisted with a plurality of circular non-metal armored elements FA1 to form the first armored layer HA9 and the second armored layer HA11.
  • the diameter of the non-metallic armored element FA1 is 6.0mm, and the two-layer armored
  • the layers are twisted in opposite directions.
  • a layer of tape layer HA10 is wrapped between the two armor layers.
  • the tape is made of high-strength tape material, such as PBT, polyester fiber tape, rubberized cloth tape, etc., which is mainly used to bind and fix the first non-metal armor
  • the second armor layer HA11 is wrapped with two layers of reverse twisted polypropylene winding rope as the outer layer HA12.
  • this embodiment provides a single-core photoelectric composite non-metal armored cable HB, which is a water blocking conductor HB1, a conductor shielding layer HB2, a conductor insulating layer HB3, an insulating shielding layer HB4, and a water blocking layer from the inside to the outside.
  • the buffer layer HB5, the metal shielding layer HB6, the inner sheath HB7, the optical unit HB8, the first armor layer HB9, the cladding layer HB10, the second armor layer HB11 and the outer coating layer HB12 are composed.
  • this structure removes the inner lining layer, and at the same time, the diameter of the non-metal armor element FA1 in the first armor layer HB9 is 6.0mm, and two light beams with a diameter of 5mm are placed symmetrically in the armor layer.
  • Unit HB8 using non-metal armored element FA1 armor layer can play a role in protecting the optical cable.
  • this embodiment provides a hybrid armored cable HC.
  • the water blocking conductor HC1, the conductor shielding layer HC2, the conductor insulating layer HC3, the insulating shielding layer HC4, the water blocking buffer layer HC5, and the metal The shielding layer HC6, the inner sheath HC7, the inner lining layer HC8, the first armor layer HC9, the cladding layer HC10, the second armor layer HC11 and the outer coating layer HC12 are composed.
  • the first armor layer HC9 which is formed by twisting multiple armored copper wires TA
  • the diameter is 6.0mm
  • the resistivity at 20°C is not more than 0.01777 ⁇ mm 2 /m.
  • the first armor layer HC9 is formed by twisting multiple armored copper wires TA, and the main function is to increase the current carrying capacity and short-circuit current of the submarine cable.
  • this embodiment provides a hybrid armored cable HD.
  • the water blocking conductor HD1 the conductor shielding layer HD2, the conductor insulating layer HD3, the insulating shielding layer HD4, the water blocking buffer layer HD5, and the metal
  • the shielding layer HD6, the inner sheath HD7, the inner lining layer HD8, the first armor layer HD9, the wrapping layer HD10, the second armor layer HD11 and the outer covering layer HD12 are composed.
  • the first armor layer HD9 and the second armor layer HD11 are both composed of a plurality of circular non-metal armored elements FA1 and armored metal wires TA arranged at intervals.
  • the specifications of the armored metal wires TA are the same as
  • the non-metal armored component FA1 is the same, and the main purpose is to increase the current carrying capacity and short-circuit current transmission capacity of the submarine cable.
  • the rest of the structure and materials in this embodiment are the same as in the first embodiment.
  • this embodiment provides a three-core non-metal armored cable HE.
  • the electric units are water blocking conductor HE1, conductor shielding layer HE2, conductor insulating layer HE3, insulating shielding layer HE4, first from the inside to the outside.
  • a filling material is arranged between each electric unit to constitute a filling layer HE9.
  • a second inner lining layer HE11, a first armoring layer HE12, a first inner lining layer HE13, a second armoring layer HE14, and an outer covering layer HE15 are sequentially arranged on the outside of the cladding layer HE10.
  • the water-blocking conductor HE1 is a copper-core compacted circular conductor structure with a conductor cross-section of 500mm 2 .
  • the conductor round monofilament material is TR type annealed copper wire, and the resistivity at 20°C is not more than 0.017241 ⁇ mm 2 /m.
  • the conductor shielding layer HE2, the conductor insulating layer HE3, and the insulating shielding layer HE4 adopt three-layer co-extrusion.
  • the conductor insulating layer HE3 is made of water-resistant tree-type insulating material, and the metal shielding layer HE6 outside the insulating shielding layer HE4 is a copper tape wrapping structure , Using 0.1mm thick copper strip material.
  • the metal shielding layer HE6 wraps the first water-blocking buffer layer HE5 and the first water-blocking buffer layer HE7 inside and outside respectively, and the material of the water-blocking layer is a seawater-blocking semiconducting resistance hose.
  • the second water-blocking buffer layer HE7 is extruded outside the inner sheath HE8, and the material is semi-conductive polyethylene.
  • the inside is a filling layer HE9, and the filling material is a polyethylene or rubber mixed molding filling strip structure, which plays a role in supporting and ensuring the roundness of the submarine cable.
  • the outer layer wraps around the cladding layer HE10, the second inner liner layer HE11, the first armor layer HE12, the first inner liner layer HE13, the second armor layer HE14 and the outer cover layer HE15.
  • the second inner lining layer HE11, the first inner lining layer HE13, and the outer covering layer HE15 are all made of polypropylene twisted ropes.
  • the first armoring layer HE12 and the second armoring layer HE14 are composed of multiple flat
  • the non-metallic armored element FA2 is twisted into a flat shape, and the specification of the flat non-metallic armored element is 3.0mm ⁇ 7.0mm, and the two layers are twisted in opposite directions.
  • the present invention provides a non-metal armored submarine cable, the weight of the submarine cable can be reduced by 25% to 50% compared with the metal armored form, which solves the problem of the weight of the submarine cable and the greater force of vertical laying and installation under the condition of large water depth. While ensuring the tensile and compressive mechanical properties of the deep submarine cable, it also achieves a lighter submarine cable weight, which is conducive to ensuring the safety of the installation and operation of the submarine cable.
  • the non-metal armored components used in it can withstand a tensile force of more than 1300 MPa, which can meet the requirements for mechanical protection of cables in large water depths.
  • the formed armor layer structure can be applied to various submarine cable structures with a water depth of 3000m and below. The application range includes submarine optical cables, submarine cables, photoelectric composite cables, dynamic cables, umbilical cables and other underwater cables.

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Abstract

Câble sous-marin blindé non métallique. Le câble sous-marin comprend un câble central constitué d'une ou de plusieurs unités électriques, de couches de blindage et d'une couche de revêtement externe ; les couches de blindage sont torsadées à l'extérieur du câble central ; la couche de revêtement externe est emmanchée sur l'extérieur des couches de blindage ; chaque couche de blindage est formée par toronnage d'une pluralité d'éléments blindés non métalliques circulaires ou plats et/ou d'une pluralité de fils métalliques blindés ; lorsque l'élément blindé non métallique est circulaire, l'élément blindé non métallique est constitué d'une tige non métallique et d'une gaine externe extrudée et revêtue sur l'extérieur de la tige non métallique, ou est composé d'un corps de tige central composé d'une pluralité de tiges non métalliques empilées, et d'une gaine externe extrudée et revêtue sur l'extérieur du corps de tige central ; et lorsque l'élément blindé non métallique est plat, l'élément blindé non métallique est composé d'une pluralité de tiges non métalliques et d'une gaine externe extrudée et revêtue sur l'extérieur. Selon la présente invention, les problèmes dus à un important poids de câble sous-marin et à une grande force de pose et de montage verticaux sous une grande profondeur d'eau sont résolus, un poids de câble sous-marin plus léger est obtenu tandis que la performance mécanique des câbles sous-marins profonds est assurée, et la sécurité de la construction et du fonctionnement des câbles sous-marins est facilitée.
PCT/CN2020/112268 2020-02-17 2020-08-28 Câble sous-marin blindé non métallique WO2021164230A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115663712A (zh) * 2022-10-09 2023-01-31 江苏恒峰线缆有限公司 一种用于电缆保护的柔性铠装结构及其使用方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111292883B (zh) * 2020-02-17 2021-11-30 中天科技海缆股份有限公司 一种轻型非金属铠装海缆
CN114068084A (zh) * 2021-11-15 2022-02-18 中天科技海缆股份有限公司 一种免除气海底电缆及其串联同步生产系统和工艺
CN115714040A (zh) * 2022-11-25 2023-02-24 江苏亨通高压海缆有限公司 一种耐扭海缆
CN115980947B (zh) * 2022-12-14 2024-03-19 中天科技海缆股份有限公司 非金属铠装杆的接续方法、脐带缆及海底光缆

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000285741A (ja) * 1999-03-31 2000-10-13 Okinawa Electric Power Co Ltd 二重鎧装海底ケーブル及びその布設方法
JP2002100245A (ja) * 2000-09-26 2002-04-05 Okinawa Electric Power Co Ltd 二重鎧装海底ケーブル
CN201984870U (zh) * 2011-03-08 2011-09-21 远东电缆有限公司 悬浮式海底电缆
US20150354292A1 (en) * 2012-12-31 2015-12-10 Technip France Umbilical
CN207068509U (zh) * 2017-08-22 2018-03-02 宜昌信通电缆有限公司 大截面光电复合高压海底电缆
CN109387912A (zh) * 2018-09-21 2019-02-26 上海晓宝增强塑料有限公司 一种非金属铠装丝
CN111292883A (zh) * 2020-02-17 2020-06-16 中天科技海缆有限公司 一种轻型非金属铠装海缆

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101798B (en) * 1981-04-23 1985-03-27 Bicc Plc Electric cable
JPS5811909A (ja) * 1981-07-16 1983-01-22 Nippon Telegr & Teleph Corp <Ntt> ノンメタル光ケ−ブルユニツト
DE4015568A1 (de) * 1990-05-15 1991-11-21 Kabelmetal Electro Gmbh Lwl-luftkabel fuer grosse spannfeldlaengen
CN100362600C (zh) * 2004-10-21 2008-01-16 谢圣明 一种光电缆用可纵包非金属加强带
CN101149452A (zh) * 2007-11-08 2008-03-26 龚建良 一种非金属加强件
CN201449803U (zh) * 2009-06-17 2010-05-05 扬州华城电缆有限公司 非金属铠装单芯电力电缆
NO20101359A1 (no) * 2010-09-30 2012-04-02 Nexans Kraftkabel med laminert vannbarriere
CN202650621U (zh) * 2012-05-05 2013-01-02 安徽明星电缆有限公司 一种海洋工程装备用脐带电缆
JP6203542B2 (ja) * 2013-06-03 2017-09-27 株式会社ブリヂストン スチールコード
CN105891981A (zh) * 2016-05-20 2016-08-24 江苏南方通信科技有限公司 Frp杆铠装非金属防鼠光缆及其制造工艺
CN106094145A (zh) * 2016-08-29 2016-11-09 中天科技海缆有限公司 一种比重可调型海底光缆
CN107102410A (zh) * 2016-12-30 2017-08-29 海隆石油工业集团有限公司 一种内嵌光纤的深海立管抗拉铠装层
CN207164322U (zh) * 2017-08-08 2018-03-30 江苏亨通光电股份有限公司 全介质自承式增强防鼠光缆及数据通信系统
CN107910113B (zh) * 2017-11-24 2020-04-21 长飞光纤光缆股份有限公司 一种海底光电混合传感光缆
CN210006533U (zh) * 2019-06-25 2020-01-31 宁波东方电缆股份有限公司 一种深海用直流海缆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000285741A (ja) * 1999-03-31 2000-10-13 Okinawa Electric Power Co Ltd 二重鎧装海底ケーブル及びその布設方法
JP2002100245A (ja) * 2000-09-26 2002-04-05 Okinawa Electric Power Co Ltd 二重鎧装海底ケーブル
CN201984870U (zh) * 2011-03-08 2011-09-21 远东电缆有限公司 悬浮式海底电缆
US20150354292A1 (en) * 2012-12-31 2015-12-10 Technip France Umbilical
CN207068509U (zh) * 2017-08-22 2018-03-02 宜昌信通电缆有限公司 大截面光电复合高压海底电缆
CN109387912A (zh) * 2018-09-21 2019-02-26 上海晓宝增强塑料有限公司 一种非金属铠装丝
CN111292883A (zh) * 2020-02-17 2020-06-16 中天科技海缆有限公司 一种轻型非金属铠装海缆

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115663712A (zh) * 2022-10-09 2023-01-31 江苏恒峰线缆有限公司 一种用于电缆保护的柔性铠装结构及其使用方法
CN115663712B (zh) * 2022-10-09 2023-08-04 江苏恒峰线缆有限公司 一种用于电缆保护的柔性铠装结构及其使用方法

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