Slurry-resistant oil-resistant power cable for oil platform

A mud-resistant and oil-resistant power cable technology, which is applied in the direction of power cables with shielding layers/conductive layers, insulated cables, cables, etc., can solve the problems that cannot meet the mud resistance, oil resistance and flame retardancy of cables at the same time, Achieve the effects of enhancing flame retardancy, optimizing cable structure, and satisfying mechanical properties

Inactive Publication Date: 2015-06-03
SINOSTAR CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, conventional plastic and rubber materials cannot meet the requirements of mud resistance, oil resistance and flame retardancy of cables at the same time

Method used

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  • Slurry-resistant oil-resistant power cable for oil platform

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing of description and embodiment:

[0010] As shown in the figure, the inner core of the mud-resistant and oil-resistant power cable for oil platforms is twisted by three power conductors 1, two communication conductors 2 and a filling rope 3 made of glass fiber; the conductor of the power conductor is the connection Tin-plated copper wire is drawn and stripped, and its exterior is an electric insulation layer 11 made of ethylene-propylene rubber, and the exterior of the electric insulation layer is wrapped with an aluminum foil layer 4; the outside of the conductor of the communication wire 2 is a communication insulation layer 21 made of ethylene-propylene rubber , the outside of the communication insulation layer is wrapped with a braided shielding layer 22, and the outside of the braided shielding layer has an aluminum foil layer 4; the three power wires are evenly distributed...

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Abstract

The invention relates to a slurry-resistant oil-resistant power cable for an oil platform. An inner core is formed by stranding three electric power wires, two communication wires and a filler, wherein the three electric power wires are uniformly distributed and in contact with the middle part of the inner core; the two communication wires and the filler are respectively positioned between two adjacent electric power wires; the external part of the inner core is coated with two layers of organic glass synthetic mica tapes; the gaps among the electric power wires, the communication wires and the filler are filled with flame-retardant factice; the flame-retardant factice is prepared from the following components in percentage by weight: 64% of vegetable oil, 5% of fumed silica, 1% of an antioxidant, 1% of a pour point depressant, 1% of a tackifier, 1% of a preservative and 30% of an Al(OH)3 flame retardant. According to the slurry-resistant oil-resistant power cable disclosed by the invention, through rational design and material section of the cable structure, the flame retardant property of the cable can be improved; the outer sheath is prepared by extruding a halogen-free low-smoke flame-retardant polyurethane sheath material, and the inner core is filled with the flame-retardant factice, so that the fire resistance, the slurry resistance and the oil resistance of the cable can be strengthened.

Description

technical field [0001] The invention relates to the field of cables, in particular to a mud-resistant and oil-resistant power cable for oil platforms. Background technique [0002] With the increasing tension of global oil and natural gas energy, the world has begun to shift from land mining to ocean mining on a large scale, thus promoting the continuous growth of the number of oil platforms. The construction and maintenance of offshore oil platforms require a large number of cables suitable for offshore use, which has driven the development and production of related offshore engineering cables. The cables used on oil platforms have been corroded by the mud and oil sludge on the platform for a long time, which accelerates the aging of the cable outer sheath, reduces the mechanical and physical properties of the outer sheath, especially the flame retardancy, creates a safety hazard, and seriously reduces the service life of the cable. This type of cable has extremely strict ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/17H01B7/282H01B7/295H01B9/02
Inventor 杜南平周帆
Owner SINOSTAR CABLE CO LTD
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