WO2019196216A1 - 脐带缆 - Google Patents

脐带缆 Download PDF

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Publication number
WO2019196216A1
WO2019196216A1 PCT/CN2018/094896 CN2018094896W WO2019196216A1 WO 2019196216 A1 WO2019196216 A1 WO 2019196216A1 CN 2018094896 W CN2018094896 W CN 2018094896W WO 2019196216 A1 WO2019196216 A1 WO 2019196216A1
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WO
WIPO (PCT)
Prior art keywords
armor
umbilical cable
layer
core
umbilical
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PCT/CN2018/094896
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English (en)
French (fr)
Inventor
栗雪松
赵树铎
张建民
谢书鸿
Original Assignee
中天科技海缆有限公司
江苏中天科技股份有限公司
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Application filed by 中天科技海缆有限公司, 江苏中天科技股份有限公司 filed Critical 中天科技海缆有限公司
Publication of WO2019196216A1 publication Critical patent/WO2019196216A1/zh

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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
    • H01B7/14—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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/045—Flexible cables, conductors, or cords, e.g. trailing cables attached to marine objects, e.g. buoys, diving equipment, aquatic probes, marine towline
    • 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
    • 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
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments 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

Definitions

  • the present invention relates to an umbilical cable, and more particularly to an umbilical cable that can be used in ultra-deep water production operations.
  • Umbilical cable is a type of cable used in subsea production operations.
  • the existing umbilical cable is sheathed by wire, and the existing umbilical cable is usually not used in water depth (the maximum water depth is usually not more than 6000 meters) due to the limitation of the wire umbilical cord strength/underwater static load ratio. Unable to meet deeper underwater production operations.
  • an umbilical cable which has the characteristics of low specific gravity and high strength and can be used for deeper underwater production operations than the existing wire armored umbilical cable.
  • An umbilical cable provided by the present invention comprises a cable core, an inner sheath disposed outside the core, and an armor layer fixed to the outer sheath, the armor layer comprising a plurality of armor wires, each of which The armor wires each comprise a matrix made of a fiber reinforced composite material.
  • the armor layer is formed by coating an adhesive on the plurality of armor wires and stranding them.
  • At least two layers of the armor layer are included, and the adjacent armor layers are twisted in opposite directions.
  • the diameter of the armor wire of the armor layer of the inner layer is larger than the diameter of the armor wire of the armor layer of the outer layer.
  • the substrate is made of an aramid fiber reinforced composite material.
  • the substrate comprises an aramid fiber yarn, a polymer matrix, an initiator, and a release agent.
  • each armor wire further comprises a wear-resistant and/or seawater-resistant protective layer disposed on the outer surface of the base.
  • the protective layer is made of nylon.
  • the umbilical cable further includes a wrapping layer disposed outside the cable core.
  • the cable core is spirally twisted by at least one power cable unit, at least one control cable unit, at least one stainless steel fiber unit, and at least one ground cable unit.
  • the umbilical cable provided by the invention can greatly reduce the static load of the umbilical cable in water by armoring the base body from the armor wire of the fiber reinforced composite material.
  • the umbilical cable strength/underwater static load ratio can be used for deeper underwater production operations than existing wire armored umbilicals.
  • the armor layer since each of the armored wires is made of a fiber-reinforced composite material, the armor layer has the advantages of low specific gravity and high strength, and the umbilical cable can be omitted from the periphery of the armor layer.
  • the outer sheath is beneficial to reduce the specific gravity and cost of the umbilical cable, and is beneficial to improving the market competitiveness of the product.
  • FIG. 1 is a cross-sectional structural view showing an umbilical cable according to an embodiment of the present invention.
  • Umbilical cord cable 100 Cable core 10 Wraparound 20 Inner sheath 30 Armor layer 40 Power cable unit 11 Control cable unit 12 Stainless steel fiber unit 13 Ground cable unit 14 Inner armor 41 Outer armor layer 42 Armored wire 43 Matrix 431 The protective layer 432 Core 10a Cover 10b
  • FIG. 1 shows a schematic structural view of an umbilical cable 100 according to an embodiment of the present invention.
  • the umbilical cable 100 can be used for deeper underwater production operations (for example, 11000 m underwater) than existing umbilical cables with wire armor, which can be used as a ROV (Remote Operated Vehicle) to connect the mother ship.
  • ROV Remote Operated Vehicle
  • the umbilical cable 100 includes a core 10, a wrap 20, an inner sheath 30, and an armor layer 40.
  • the wrap 20 covers the core 10, and the inner sheath 30 is extruded. It is disposed on the outer surface of the wrapping layer 20.
  • the cable core 10 may include at least one power cable unit 11, at least one control cable unit 12, at least one stainless steel fiber unit 13, and at least one ground cable unit 14.
  • the power cable unit 11, the control cable unit 12, the stainless steel fiber unit 13, and the ground cable unit 14 constitute a core 10 by spiral twisting.
  • the number of the power cable unit 11, the control cable unit 12, the stainless steel fiber unit 13, and the ground cable unit 14 may be set according to actual conditions.
  • the cable core 10 may include three power cable units. 11. Two control cable units 12, one stainless steel light unit 13 and six ground cable units 14.
  • Each of the power cable unit 11, the control cable unit 12, the stainless steel fiber unit 13, and the ground cable unit 14 may include a corresponding core 10a and a sheath 10b that is extruded outside the core 10a.
  • the armor layer 40 has a plurality of armor wires 43, each of which includes a base body 431 and a wear-resistant and/or seawater-resistant protective layer disposed on the outer surface of the base body 431. 432.
  • the protective layer 432 may be a wear-resistant and seawater-resistant protective layer.
  • the protective layer 432 may be disposed on the outer surface of the base 431 by extrusion.
  • the protective layer 432 may improve the umbilical cable 100.
  • the ability to withstand abrasion and/or seawater corrosion under water, particularly without the outer protective layer protects each substrate 431 better with a protective layer on the outer surface of each armor wire 43.
  • the wear resistance of the base 431 and the seawater corrosion resistance are improved.
  • the base 431 is made of a fiber reinforced composite material, for example, an aramid fiber reinforced composite material, and a certain amount of aramid fiber yarn, a polymer matrix, an initiator, and a release agent are formed during the production. Aramid fiber reinforced composite yarn.
  • the protective layer 432 may be made of nylon, such as nylon 1212. It is to be understood that the protective layer 432 may also be made of other materials.
  • the armor wire 43 is coated with an adhesive on the surface of the protective layer 432 when it is sheathed, and then stranded to form the armor layer 40. In this embodiment, after the armor wire 43 is twisted by the adhesive, the armor layer 43 is compact and not loose. In some cases, the outer protective layer required for the outer surface of the armor layer 40 can be removed, and the outer layer can be removed. For simplicity, the product cost is greatly reduced.
  • the non-metallic armor wire 43 made of a fiber-reinforced composite material is armored as a bearing member of the umbilical cable 100, and the non-metallic armor wire 43 is in the same outer diameter and tensile strength as compared with the steel wire.
  • the specific gravity is only 1/4 of the specific gravity of the steel wire. It has the advantages of low specific gravity and high strength. It can greatly reduce the static load of the umbilical cable in the water, improve the strength of the umbilical cable / the static static load ratio, and can meet the deeper underwater production and The operation can meet the ROV usage requirements of 11000m water depth.
  • the umbilical cable may include one or more layers of the armor layer 40.
  • the armor layer 40 may include two layers, respectively an inner armor layer 41 stranded outside the inner sheath layer 30 and an outer armor that is stranded outside the inner armor layer 41. Layer 42.
  • the diameter d1 of the armor wire 43 of the inner armor layer 41 is larger than the diameter d2 of the armor wire 43 of the outer armor layer 42.
  • the outer armor is disposed at the outermost layer.
  • the armor wire 43 of the layer 42 has a smaller diameter and can be more compactly twisted on the outer surface of the inner armor layer 41, so that the armor layer 41 can be better mounted and the strength of the umbilical cable 100 can be made stronger. Big.

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  • Insulated Conductors (AREA)
  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)

Abstract

本发明提供一种脐带缆，包括缆芯、设置于缆芯外的内护层以及设置于所述内护层外的铠装层，所述铠装层包括若干根铠装丝，每根铠装丝均包括由纤维增强复合材料制成的基体。本发明具有低比重、强度高的特点，能够用于比现有的金属丝铠装脐带缆更深的水下生产作业要求。

Description

脐带缆 技术领域
本发明涉及一种脐带缆，尤其涉及一种能够用于超水深生产作业的脐带缆。
背景技术
本部分旨在为权利要求书中陈述的本发明的实施方式提供背景或上下文。此处的描述不因为包括在本部分中就承认是现有技术。
脐带缆是用于海底生产作业所用的一种缆线。现有的脐带缆采用金属丝铠装，因受到金属丝铠装脐带缆强度/水下静载荷比的限制，现有的脐带缆使用水深通常不大(最大使用水深通常不超过6000米)，无法满足更深的水下生产作业要求。
发明内容
有鉴于此，有必要提供一种脐带缆，具有低比重、强度高的特点，能够用于比现有的金属丝铠装脐带缆更深的水下生产作业要求。
本发明提供的一种脐带缆，包括缆芯、设置于缆芯外的内护层以及固定于所述内护层外的铠装层，所述铠装层包括若干根铠装丝，每根铠装丝均包括由纤维增强复合材料制成的基体。
进一步的，所述铠装层由在所述若干根铠装丝上涂覆胶黏剂并绞合而成。
进一步的，包括至少两层所述铠装层，相邻的铠装层绞合方向相反。
进一步的，位于内层的铠装层的铠装丝的直径大于位于外层的铠装层的铠装丝的直径。
进一步的，所述基体采用芳纶纤维增强复合材料制成。
进一步的，所述基体包括芳纶纤维纱、高分子聚合物基体、引发剂和脱模剂。
进一步的，每根铠装丝还包括设置在所述基体外表面的耐磨和/或耐海水腐蚀的保护层。
进一步的，所述保护层由尼龙制成。
进一步的，所述脐带缆还包括设置于所述缆芯外的绕包层。
进一步的，所述缆芯通过至少一个动力电缆单元、至少一个控制电缆单元、至少一不锈钢光纤单元以及至少一个接地线缆单元螺旋绞合而成。
与现有的采用金属丝铠装脐带缆相比，本发明提供的脐带缆，通过将其基体由纤维增强复合材料的铠装丝进行铠装，能够大大降低脐带缆在水中的静载荷，提高脐带缆强度/水下静载荷比，能够用于比现有的金属丝铠装脐带缆更深的水下生产作业要求。另外，由于每根铠装丝的基体均由纤维增强复合材料制成，使得所述铠装层具有比重低、强度高的优点，进而所述脐带缆能够省略设置于所述铠装层外围的外护层，有利于降低所述脐带缆的比重及成本，有利于提高产品的市场竞争力。
附图说明
为了更清楚地说明本发明实施例技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示出了本发明一实施例的脐带缆的剖面结构示意图。
主要元件符号说明
脐带缆 100
缆芯 10
绕包层 20
内护层 30
铠装层 40
动力电缆单元 11
控制电缆单元 12
不锈钢光纤单元 13
接地线缆单元 14
内铠装层 41
外铠装层 42
铠装丝 43
基体 431
保护层 432
线芯 10a
护层 10b
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。可以理解，附图仅提供参考与说明用，并非用来对本发明加以限制。附图中显示的连接仅仅是为便于清晰描述，而并不限定连接方式。
需要说明的是，当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中组件。除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。
图1示出了本发明一实施例的脐带缆100的结构示意图。所述脐带缆100可以用于比现有的采用金属丝铠装的脐带缆更深的水下生产作业要求(例如，水下11000m)，其可作为ROV(Remote Operated Vehicle，水下机器人)连接母船的脐带缆。
所述脐带缆100包括缆芯10、绕包层20、内护层30以及铠装层40，所述绕包层20包覆所述缆芯10，所述内护层30通过挤包的方式设置在绕包层20的外表面。
本实施例中，所述缆芯10可以包括至少一个动力电缆单元11、至少一个控制电缆单元12、至少一不锈钢光纤单元13以及至少一个接地线缆单元14。动力电缆单元11、控制电缆单元12、不锈钢光纤单元13以及接地线缆单元14通过螺旋绞合构成缆芯10。其中，动力电缆单元11、控制电缆单元12、不锈钢光纤单元13以及接地线缆 单元14的各自的数量可以依据实际情况而设置，本实施方式中，所述缆芯10可以包括三个动力电缆单元11，两个控制电缆单元12、一个不锈钢光线单元13以及六个接地线缆单元14。每一动力电缆单元11、控制电缆单元12、不锈钢光纤单元13以及接地线缆单元14均可包括相应的线芯10a以及挤包在线芯10a外的护层10b。
本实施例中，所述铠装层40具有若干根铠装丝43，每一铠装丝43均包括基体431以及设置在所述基体431外表面的耐磨和/或耐海水腐蚀的保护层432，本实施方式中，保护层432可以为耐磨和耐海水腐蚀的保护层，所述保护层432可通过挤塑的方式设置在所述基体431外表面，保护层432可以提高脐带缆100在水下时的耐磨损和/或耐海水腐蚀能力，特别是在不具有外保护层的情况下，每一铠装丝43的外表面的保护层能够更好地保护每一基体431，提高基体431的耐磨性以及耐海水腐蚀性。
所述基体431采用纤维增强复合材料制成，例如可以采用芳纶纤维增强复合材料制成，在制作时，将一定量的芳纶纤维纱、高分子聚合物基体、引发剂以及脱模剂成型芳纶纤维增强复合丝。所述保护层432可以采用尼龙制成，例如尼龙1212，可以理解的是，所述保护层432还可以采用其他的材料制作。铠装丝43在铠装时，在保护层432的表面涂覆胶黏剂，然后绞合形成铠装层40。本实施方式，通过胶黏剂将铠装丝43绞合后，使得铠装层43结构紧凑、不松散，在一些情况下，可以去除铠装层40外表面所需的外保护层，制作更为简单，大大降低了产品成本。
通过纤维增强复合材料制成的非金属铠装丝43进行铠装而作为脐带缆100的承力元件，与钢丝相比，在同等外径、抗拉强度的情况下，非金属铠装丝43的比重仅为钢丝比重的1/4，具有比重低、强度 高的优点，能够大大降低脐带缆在水中的静载荷，提高脐带缆强度/水下静载荷比，能够满足更深的水下生产和作业，可以满足于11000m水深的ROV使用要求。
本实施例中，所述脐带缆可以包括一层或者多层的所述铠装层40，当包括多层所述铠装层40，相邻铠装层40之间的绞合方向相反。本实施方式中，所述铠装层40可以包括两层，分别为绞合在所述内护层30外的内铠装层41和绞合在所述内铠装层41外的外铠装层42。
所述内铠装层41的铠装丝43直径d1大于所述外铠装层42的铠装丝43的直径d2，随着脐带缆的直径的增大，设置在最外层的外铠装层42的铠装丝43采用更小的直径，能够更加紧凑地绞合在内铠装层41的外表面上，能够让铠装层41的铠装效果更好，让脐带缆100的强度更大。
本申请的说明书和权利要求中，词语“包括/包含”和词语“具有/包括”及其变形，用于指定所陈述的特征、数值、步骤或部件的存在，但不排除存在或添加一个或多个其它特征、数值、步骤、组件或它们的组合。
本发明的一些特征，为阐述清晰，分别在不同的实施例中描述，然，这些特征也可结合于单一实施例中描述。相反，本发明的一些特征，为简要起见，仅在单一实施例中描述，然，这些特征也可分开单独或以任何合适的组合于不同的实施例中进行描述。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种脐带缆，包括缆芯、设置于缆芯外的内护层以及固定于于所述内护层外的铠装层，其特征在于，所述铠装层包括若干根铠装丝，每根铠装丝均包括由纤维增强复合材料制成的基体。
  2. 根据权利要求1所述的脐带缆，其特征在于，所述铠装层由在所述若干根铠装丝上涂覆胶黏剂并绞合而成。
  3. 根据权利要求1所述的脐带缆，其特征在于，包括至少两层所述铠装层，相邻的铠装层绞合方向相反。
  4. 根据权利要求3所述的脐带缆，其特征在于，位于内层的铠装层的铠装丝的直径大于位于外层的铠装层的铠装丝的直径。
  5. 根据权利要求1所述的脐带缆，其特征在于，所述基体采用芳纶纤维增强复合材料制成。
  6. 根据权利要求5所述的脐带缆，其特征在于，所述基体包括芳纶纤维纱、高分子聚合物基体、引发剂和脱模剂。
  7. 根据权利要求1所述的脐带缆，其特征在于，每根铠装丝还包括设置在所述基体外表面的耐磨和/或耐海水腐蚀的保护层。
  8. 根据权利要求7所述的脐带缆，其特征在于，所述保护层由尼龙制成。
  9. 根据权利要求1-8任一项所述的脐带缆，其特征在于，所述脐带缆还包括设置于所述缆芯外的绕包层。
  10. 根据权利要求1-8任一项所述的脐带缆，其特征在于，所述缆芯通过至少一个动力电缆单元、至少一个控制电缆单元、至少一不锈钢光纤单元以及至少一个接地线缆单元螺旋绞合而成。
PCT/CN2018/094896 2018-04-09 2018-07-06 脐带缆 WO2019196216A1 (zh)

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