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Long-acting solid type high-strength and high-toughness self-reinforced submarine cable and manufacturing method thereof

A submarine cable, high-strength technology, applied in the direction of submarine cables, power cables, insulated cables, etc., can solve the problems of high manufacturing cost, long production cycle, and many riverbed roads, and achieve good preservation, less impurities, and good self-bonding force of the film Effect

Active Publication Date: 2019-10-15
金泰电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current submarine power cables in the prior art are all single-core submarine cables, which have the disadvantages of long production cycle, high manufacturing cost, more river bed and road surface occupied during laying, and waste of space. Therefore, the 220kV single-core optical fiber composite submarine cable In terms of development, the development of multi-core cables has extremely high technical significance

Method used

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  • Long-acting solid type high-strength and high-toughness self-reinforced submarine cable and manufacturing method thereof
  • Long-acting solid type high-strength and high-toughness self-reinforced submarine cable and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A long-lasting, solid, high-strength, self-reinforced submarine cable, which is a three-core cable structure as a whole, consisting of three individually wrapped core tubes and an outer protective sheath covering all the core tubes. The outer diameter of the submarine cable is 265mm, and its Each core 1 inside is made of 30 pure copper cores and compressed into a cylindrical core 1 with a diameter of φ38.2mm at a density of 91% using a polycrystalline mold, and the outer surface of each core 1 is covered with PVC Electrostatic coating film 2 made of material; each core tube is provided with a core body 1, an electrostatic coating film 2, an insulating layer 3, a single-core self-fixing water resistance belt 4 and a single-core coating layer 5 from the inside and the outside; the outer layer The protective cover is provided with an inner lining self-fixing water blocking tape 7, an inner lining layer 8, a steel wire armor layer 9, an outer lining self-fixing water blockin...

Embodiment 2

[0037] The whole is consistent with Example 1, the difference is:

[0038] The outer diameter of the submarine cable is 270mm, and each core 1 in it is made of 30 pure copper cores, which are compressed into a cylindrical core 1 with a diameter of φ38.8mm by a polycrystalline mold at a density of 89%. Self-fixing water blocking belt 4, inner lining self-fixing water blocking belt 7 and outer lining self-fixing water blocking belt 10 are all made of indium oxide: tin oxide: calcium oxide: magnesium oxide: iron oxide in a mass ratio of 27:3:1.8: The mixture mixed in a ratio of 1:0.6 is used as a raw material, and after being vapor-deposited on the surface of a flat pure copper plate, a semiconductor self-curing film is initially cured with a NaOH aqueous solution of 1.5% mass concentration and then removed from the mold;

[0039] Wherein the manufacture method of semiconductor self-curing film comprises the following steps:

[0040] ① Raw material preparation: prepare indium ox...

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Abstract

The invention discloses a long-acting solid type high-strength and high-toughness self-reinforced submarine cable and a manufacturing method thereof. The long-acting solid type high-strength and high-toughness self-reinforced submarine cable is an integrated three-core cable structure, the outer diameter of the cable is 265-270 mm, and each core tube is provided with a core body, an electrostaticcoating film, an insulating layer, a single-core self-fixed water-blocking tape and a single-core sheath layer from inside to outside; the outer protective sleeve is provided with a lining self-fixedwater-blocking tape, an inner lining layer, a steel wire armor layer, an outer lining self-fixed water-blocking tape and an outer lining layer from inside to outside; a profile fixing strip is filledbetween the gap between each core tube and the outer protective sleeve, and the profile fixing strip is a sealing strip which is made of epoxy resin and has a shape matched with the core tube and theouter protective sleeve; the single-core sheath layer is a metal casing wrapped by an austenitic stainless belt; the inner liner layer and the outer liner layer are made of insulating rubber materials. The submarine cable is self-reinforced in seawater, high in strength, good in toughness, resistant to breakdown, good in water resistance, not easy to bend, long in service life and resistant to impact and vibration.

Description

technical field [0001] The invention relates to the field of manufacturing special cables, in particular to a long-term solid high-strength self-reinforcing submarine cable and a manufacturing method thereof. Background technique [0002] Submarine power cables are mainly used to transmit high-power electric energy underwater, which has the same function as underground power cables, but the application occasions and laying methods are different. Since the submarine cable project is recognized as a complex and difficult large-scale project by all countries in the world, complex technologies are used in environmental detection, marine physical investigation, and cable design, manufacture and installation, so there are not many submarine cable manufacturers in the world. There are mainly Norway, Denmark, Japan, Canada, the United States, Britain, France, Italy and other countries. In addition to manufacturing, these countries also provide laying technology. [0003] Submarine ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/14H01B7/18H01B7/22H01B7/282H01B9/02C23C14/34C23C14/08
CPCC23C14/08C23C14/34H01B7/14H01B7/18H01B7/1875H01B7/1895H01B7/22H01B7/226H01B7/2825H01B9/027
Inventor 张素兰杨桂莲
Owner 金泰电缆有限公司