CN105761827B - A kind of scandium-aluminum alloy conductor blocks water lv power cable - Google Patents

A kind of scandium-aluminum alloy conductor blocks water lv power cable Download PDF

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Publication number
CN105761827B
CN105761827B CN201610254884.2A CN201610254884A CN105761827B CN 105761827 B CN105761827 B CN 105761827B CN 201610254884 A CN201610254884 A CN 201610254884A CN 105761827 B CN105761827 B CN 105761827B
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scandium
core
conductor
parts
aluminum alloy
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CN105761827A (en
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李万松
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Anhui Lingyu Cable Technology Co Ltd
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Anhui Lingyu Cable Technology Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • 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
    • H01B7/02—Disposition of insulation
    • 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
    • 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
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable 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
    • H01B7/282—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
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Insulating Materials (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

Blocked water lv power cable the invention discloses a kind of scandium-aluminum alloy conductor, the core of cable contains at least three power wire cores；Waterstop lapping layer is set gradually outside core, aluminum plastic belt indulges covering, polyvinyl chloride inner sheath, galvanized steel strip armor and polyvinyl chloride oversheath；Power wire core is made up of wrapped polyethylene layer outside power wire core conductor；Described power wire core conductor uses scandium-aluminum alloy conductor to be dynamic；The packing that blocks water is filled between core and waterstop lapping layer.Power wire core conductor of the present invention uses scandium-aluminum alloy conductor, on the one hand the fine aluminium of solving over is used as electric wire and cable conductor in the presence of many deficiencies, have the advantages that creep resistant, high flexible, strong extension, low bounce-back, stable connection, block-water performance are good, on the other hand also reduce the cost 50% of cable.

Description

A kind of scandium-aluminum alloy conductor blocks water lv power cable
Technical field
Blocked water lv power cable the present invention relates to a kind of scandium-aluminum alloy conductor, belong to electric wire field.
Background technology
With China industry continuous development, at present China enter Electrification Age, power cable usage amount comprehensively Increasing, the conductor main component for manufacturing cable is copper, accounts for about the 70% of total copper consumption.But China's copper resource is very short, with The exhaustion of COPPER IN CHINA resource, COPPER IN CHINA 80% needs import, and dependence is big.With constantly riseing for copper valency, replaced with aluminium Copper is the inexorable trend of electric wire development.The electric wire more than 80% of France is aluminium conductor, and Japanese aluminum conductor also accounts for 50% More than.China's bauxite resource very abundant, but application amount is less than 1%, it is main still because the immature institute of aluminum conductor manufacturing technology Cause, therefore it is the key for solving this problem to obtain technical breakthrough.
Past aluminium conductor electric wire, because the mechanical performances such as the intensity of aluminium and elongation percentage can not meet requirement, while again There is no resistance effect.So also have the 0.6/ of block-water performance again with cheap excellent performance without a kind of so far 1kV power cables.
The content of the invention
To overcome above-mentioned deficiency, blocked water lv power cable it is an object of the invention to provide a kind of scandium-aluminum alloy conductor, For rated voltage 0.6/1kV power cables；Power wire core conductor uses scandium-aluminum alloy conductor, and fine aluminium of on the one hand solving over is used Make electric wire and cable conductor and many deficiencies be present, there is creep resistant, high flexible, strong extension, low bounce-back, stable connection, block-water performance The advantages that good, on the other hand also reduce the cost 50% of cable.
The solution of the present invention is as follows：A kind of scandium-aluminum alloy conductor blocks water lv power cable, and the core of the cable contains At least three power wire cores；Waterstop lapping layer is set gradually outside described core, aluminum plastic belt indulges covering, is protected in polyvinyl chloride Set, galvanized steel strip armor and polyvinyl chloride oversheath；
Described power wire core is made up of wrapped polyethylene layer outside power wire core conductor；Described power wire core conductor Scandium-aluminum alloy conductor is used to be dynamic；
The packing that blocks water is filled between described core and waterstop lapping layer；
Described scandium-aluminum alloy conductor production method is as follows：
Aluminium ingot is added in shaft furnace, holding furnace is flowed into after 750-770 DEG C of fusing, iron, cerium-rich rare earth and scandium is added and carries out Melting；
After stirring to melt refining, purification, degasification, take off Slag treatment, 750 DEG C of alloy melt will be not less than after refining It is sent into aluminium bar continuous casting and rolling unit and carries out strand and rolling, wherein strand temperature is 650 DEG C, obtains 300 DEG C, Φ 10mm high scandium Content aluminium alloy rod；
High scandium content aluminium alloy rod is placed in heat-treatment furnace and is incubated 3-5 hours in 280-290 DEG C with destressing, it is naturally cold But；
The then wire drawing on aluminum alloy drawing machine, control lubrication temperature≤100 DEG C, through excessive drawing and middle drawing, is met ASTM B 800-05（2011）Electrically with annealing and the high scandium content aluminium alloy single of series alloys wire standard of average tempering 8000 Line, then at the 320-340 DEG C of Ageing Treatment natural cooling through 6-8 hours, the height of GB/T3956-2008 standards is obtained by twisted The high scandium content aluminium alloy conductor of intensity high conductivity；
Described scandium-aluminum alloy conductor composition is configured to by mass percentage：Scandium 0.4-0.8wt%, iron 0.01-0.1wt%, Cerium-rich rare earth 0.01-0.1wt%, surplus are aluminium.
Further, the core of the cable also includes a wire core, and described wire core is by wrapped outside ground wire core conductor Polyethylene layer is formed.
Further, the core of the cable also includes a middle core, and described middle core is by wrapped outside middle cable core conductor Polyethylene layer is formed.
Further, described polyethylene layer is composed of the following raw materials by weight：
Polyethylene 80-100 parts, polypropylene 10-15 parts, Triallyl isocyanurate 12-16 parts, ethylene glycol two are shunk sweet Oily ether 5-10 parts, ethyl acrylate 6-15 parts, triethyl group silicon substrate triflate 3-8 parts, TMPD 8-12 parts, three It is methyl hydroxyl amylalcohol isobutyrate 3-8 parts, tetrasodium salt of EDTA 1-5 parts, calcium oxide 3-5 parts, aluminum oxide 3-5 parts, hard Resin acid zinc 1-3 parts.
Beneficial effect of the present invention：
1st, cable of the present invention, power wire core conductor use scandium-aluminum alloy conductor, after tested its intensity 211MPa, conductance 62.0%IACS, elongation percentage 31.8%, yield strength 110MPa.On the one hand the fine aluminium of solving over exists as electric wire and cable conductor Many deficiencies, there is creep resistant, high flexible, strong extension, low bounce-back, stable connection, on the other hand also reduce cable Cost 50%.
2nd, the present invention is using the packing filling and waterstop is wrapped and vertical alclad modeling tape cable blocks water when meeting water of blocking water Packing and waterstop expand immediately prevents cable from longitudinally intaking, and aluminum plastic belt prevents cable from radially intaking.
3rd, for the present invention using polyethylene as conductor insulation, polyvinyl chloride is the external sheath layer of outer protection.Using the present invention The obtained polyethylene layer fire-resistant waterproof effect of formula is good.
4th, present invention is mainly applied to the connection of low-voltage circuit and similar devices, the cost of cable to reduce 50%, cable Electric conductivity and block-water performance are greatly improved.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Embodiment
Embodiment 1
A kind of scandium-aluminum alloy conductor blocks water lv power cable, and the core of cable contains three power wire cores 1 and a ground Core 2；Power wire core is made up of wrapped polyethylene layer outside power wire core conductor；Power wire core conductor is closed to be dynamic using scandium aluminium Golden conductor；Wire core is made up of wrapped polyethylene layer outside ground wire core conductor, and ground wire core conductor is led to be dynamic using scandium-aluminum alloy Body；Waterstop lapping layer 4 is set gradually outside core, aluminum plastic belt indulges covering 5, polyvinyl chloride inner sheath 6, galvanized steel strip armor 7 With polyvinyl chloride oversheath 8；The packing 3 that blocks water is filled between core and waterstop lapping layer.
Embodiment 2
The difference of the present embodiment and embodiment 1 be in：The core of cable contain three power wire cores, a wire core and A piece middle core 9, middle core are made up of wrapped polyethylene layer outside middle cable core conductor, and middle cable core conductor is closed to be dynamic using scandium aluminium Golden conductor；It is other consistent.
Embodiment 3
Scandium-aluminum alloy conductor production method is as follows：
Aluminium ingot is added in shaft furnace, holding furnace is flowed into after 750-770 DEG C of fusing, iron, cerium-rich rare earth and scandium is added and carries out Melting；After stirring to melt refining, purification, degasification, take off Slag treatment, the alloy melt that 750 DEG C are not less than after refining is sent Enter aluminium bar continuous casting and rolling unit and carry out strand and rolling, wherein strand temperature is 650 DEG C, obtains 300 DEG C, Φ 10mm high scandium contains Measure aluminium alloy rod；High scandium content aluminium alloy rod is placed in heat-treatment furnace and is incubated 3-5 hours in 280-290 DEG C with destressing, from So cooling；The then wire drawing on aluminum alloy drawing machine, control lubrication temperature≤100 DEG C, through excessive drawing and middle drawing, is met ASTM B 800-05（2011）Electrically with annealing and the high scandium content aluminium alloy single of series alloys wire standard of average tempering 8000 Line, then at the 320-340 DEG C of Ageing Treatment natural cooling through 6-8 hours, obtain meeting GB/T3956-2008 standards by twisted High-strength high-conductivity high scandium content aluminium alloy conductor；Above-mentioned scandium-aluminum alloy conductor composition is configured to by mass percentage： Scandium 0.6wt%, iron 0.07wt%, cerium-rich rare earth 0.04wt%, surplus are aluminium.
Its tensile strength 211MPa after tested, elongation percentage 31.8%, yield limit are 100 ~ 116MPa, conductance 62.0% IACS。
Embodiment 4
Polyethylene layer is composed of the following raw materials by weight：
90 parts of polyethylene, 12 parts of polypropylene, 14 parts of Triallyl isocyanurate, 8 parts of ethylene glycol diglycidylether, third 10 parts of olefin(e) acid ethyl ester, 5 parts of triethyl group silicon substrate triflate, 10 parts of TMPD, trimethyl hydroxyl amylalcohol isobutyrate 4 Part, 3 parts of tetrasodium salt of EDTA, 3 parts of calcium oxide, 3 parts of aluminum oxide, 2 parts of zinc stearate.
Each raw material is mixed, double screw extruder is added and is kneaded, is granulated, control 150 DEG C of temperature, obtain finished product.
Embodiment 5
Polyethylene layer is composed of the following raw materials by weight：
88 parts of polyethylene, 11 parts of polypropylene, 13 parts of Triallyl isocyanurate, 8 parts of ethylene glycol diglycidylether, third 15 parts of olefin(e) acid ethyl ester, 6 parts of triethyl group silicon substrate triflate, 8 parts of TMPD, trimethyl hydroxyl amylalcohol isobutyrate 3 Part, 2 parts of tetrasodium salt of EDTA, 4 parts of calcium oxide, 4 parts of aluminum oxide, 3 parts of zinc stearate.
Each raw material is mixed, double screw extruder is added and is kneaded, is granulated, control 160 DEG C of temperature, obtain finished product.
Embodiment 6
Polyethylene layer is composed of the following raw materials by weight：
8100 parts of polyethylene, 13 parts of polypropylene, 12 parts of Triallyl isocyanurate, ethylene glycol diglycidylether 10 Part, 7 parts of ethyl acrylate, 5 parts of triethyl group silicon substrate triflate, 10 parts of TMPD, trimethyl hydroxyl amylalcohol isobutyl 7 parts of acid esters, 3 parts of tetrasodium salt of EDTA, 4 parts of calcium oxide, 4 parts of aluminum oxide, 2 parts of zinc stearate.
Each raw material is mixed, double screw extruder is added and is kneaded, is granulated, control 170 DEG C of temperature, obtain finished product.
Implement above-described embodiment 4-6 polyethylene layer respectively to embodiment 1, as a result combustion testing result meets GB/T12666.1-2008。
Although giving detailed description and explanation to the embodiment of the present invention above, it should be noted that We can carry out various equivalent changes and modification to above-mentioned embodiment according to the conception of the present invention, and its caused function is made , all should be within protection scope of the present invention during with the spirit still covered without departing from specification.

Claims (3)

  1. The lv power cable 1. a kind of scandium-aluminum alloy conductor blocks water, it is characterised in that the core of the cable contains at least three Power wire core；Waterstop lapping layer is set gradually outside the core of the cable, aluminum plastic belt indulges covering, polyvinyl chloride inner sheath, plating Zinc steel-tape armouring layer and polyvinyl chloride oversheath；
    Described power wire core is made up of wrapped polyethylene layer outside power wire core conductor；Described power wire core conductor uses Scandium-aluminum alloy conductor；
    The packing that blocks water is filled between the core and waterstop lapping layer of the cable；
    Described scandium-aluminum alloy conductor production method is as follows：
    Aluminium ingot is added in shaft furnace, holding furnace is flowed into after 750-770 DEG C of fusing, iron, cerium-rich rare earth and scandium is added and carries out melting；
    After stirring to melt refining, purification, degasification, take off Slag treatment, the alloy melt that 750 DEG C are not less than after refining is sent into Aluminium bar continuous casting and rolling unit carries out strand and rolling, and wherein strand temperature is 650 DEG C, obtains 300 DEG C, Φ 10mm scandium-aluminum alloy Bar；
    Scandium-aluminum alloy bar is placed in heat-treatment furnace and is incubated 3-5 hours in 280-290 DEG C with destressing, natural cooling；
    The then wire drawing on aluminum alloy drawing machine, control lubrication temperature≤100 DEG C, through excessive drawing and middle drawing, obtains meeting ASTM B 800-05（2011）Annealing and the series alloys wire standard scandium-aluminum alloy single line of average tempering 8000 are electrically used, then at 320- 340 DEG C of Ageing Treatment natural coolings through 6-8 hours, the scandium-aluminum alloy for meeting GB/T3956-2008 standards is obtained by twisted Conductor；
    Described scandium-aluminum alloy conductor composition is configured to by mass percentage：Scandium 0.4-0.8wt%, iron 0.01-0.1wt%, rich cerium Rare earth 0.01-0.1wt%, surplus are aluminium；
    Described polyethylene layer is composed of the following raw materials by weight：
    Polyethylene 80-100 parts, polypropylene 10-15 parts, Triallyl isocyanurate 12-16 parts, ethylene glycol diglycidylether 5-10 parts, ethyl acrylate 6-15 parts, triethyl group silicon substrate triflate 3-8 parts, TMPD 8-12 parts, trimethyl Hydroxyl amylalcohol isobutyrate 3-8 parts, tetrasodium salt of EDTA 1-5 parts, calcium oxide 3-5 parts, aluminum oxide 3-5 parts, stearic acid Zinc 1-3 parts.
  2. The lv power cable 2. a kind of scandium-aluminum alloy conductor according to claim 1 blocks water, it is characterised in that the cable Core also include a wire core, described wire core is made up of wrapped polyethylene layer outside ground wire core conductor.
  3. The lv power cable 3. a kind of scandium-aluminum alloy conductor according to claim 2 blocks water, it is characterised in that the cable Core also include a middle core, described middle core is made up of wrapped polyethylene layer outside middle cable core conductor.
CN201610254884.2A 2016-04-22 2016-04-22 A kind of scandium-aluminum alloy conductor blocks water lv power cable Active CN105761827B (en)

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CN110164621B (en) * 2019-05-22 2021-04-16 安徽凌宇电缆科技有限公司 Scandium-aluminum alloy conductor low-voltage rubber jacketed flexible cable for offshore wind power generation

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CN203433881U (en) * 2013-09-13 2014-02-12 安徽凌宇电缆科技有限公司 Scandium-contained aluminium alloy conductor-based low-voltage power cable
CN203433879U (en) * 2013-09-13 2014-02-12 安徽凌宇电缆科技有限公司 Scandium-contained aluminium alloy conductor-based medium-voltage power cable
CN105237915A (en) * 2015-11-09 2016-01-13 天津港诺森瀚科技发展有限公司 Environment-friendly cable sheath material and preparation method thereof
CN105419072A (en) * 2015-12-18 2016-03-23 华南理工大学 Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof

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JP5652452B2 (en) * 2012-09-27 2015-01-14 日立金属株式会社 Non-halogen flame retardant insulated wire

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CN203433881U (en) * 2013-09-13 2014-02-12 安徽凌宇电缆科技有限公司 Scandium-contained aluminium alloy conductor-based low-voltage power cable
CN203433879U (en) * 2013-09-13 2014-02-12 安徽凌宇电缆科技有限公司 Scandium-contained aluminium alloy conductor-based medium-voltage power cable
CN105237915A (en) * 2015-11-09 2016-01-13 天津港诺森瀚科技发展有限公司 Environment-friendly cable sheath material and preparation method thereof
CN105419072A (en) * 2015-12-18 2016-03-23 华南理工大学 Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof

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