CN103971846B - A kind of high-tension cable - Google Patents
A kind of high-tension cable Download PDFInfo
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- CN103971846B CN103971846B CN201410225902.5A CN201410225902A CN103971846B CN 103971846 B CN103971846 B CN 103971846B CN 201410225902 A CN201410225902 A CN 201410225902A CN 103971846 B CN103971846 B CN 103971846B
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- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 42
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 42
- 239000004020 conductor Substances 0.000 claims abstract description 41
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 21
- 230000004888 barrier function Effects 0.000 claims abstract description 20
- MSAVICZWFPQFPO-UHFFFAOYSA-N acetic acid;ethene Chemical group C=C.C=C.CC(O)=O MSAVICZWFPQFPO-UHFFFAOYSA-N 0.000 claims abstract description 18
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 18
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 18
- 239000006229 carbon black Substances 0.000 claims abstract description 18
- 229920001038 ethylene copolymer Polymers 0.000 claims abstract description 18
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 18
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 18
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 18
- GQUJEMVIKWQAEH-UHFFFAOYSA-N titanium(III) oxide Chemical compound O=[Ti]O[Ti]=O GQUJEMVIKWQAEH-UHFFFAOYSA-N 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 51
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 34
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 34
- 229920001179 medium density polyethylene Polymers 0.000 claims description 20
- 239000004701 medium-density polyethylene Substances 0.000 claims description 20
- 239000003963 antioxidant agent Substances 0.000 claims description 17
- 230000003078 antioxidant effect Effects 0.000 claims description 17
- 235000019241 carbon black Nutrition 0.000 claims description 17
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 17
- 235000010215 titanium dioxide Nutrition 0.000 claims description 17
- 239000011787 zinc oxide Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 229910000521 B alloy Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010292 electrical insulation Methods 0.000 abstract description 3
- 230000009970 fire resistant effect Effects 0.000 abstract description 3
- 230000036314 physical performance Effects 0.000 abstract description 3
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
Classifications
-
- 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
Abstract
The invention belongs to technical field of cables, especially a kind of high-tension cable is related to, it includes conductor, extrusion molding is coated on insulating barrier outside conductor, be coated on the restrictive coating that screen outside insulating barrier and extrusion molding be coated on outside screen is formed, and restrictive coating is made up of the raw material of following weight portion: in or high density polyethylene (HDPE) 85 ~ 100 parts; Ethene-acetate ethylene copolymer 10 ~ 20 parts; Fineness is less than 400 object titanium dioxide 5 ~ 8 parts; Fineness is less than 400 object carbon black 2 ~ 4 parts; 5 ~ 10 parts, aluminium hydroxide; Titanium sesquioxide 2 ~ 6 parts; Commercially available model is the cable sheath material antioxidant 1 ~ 3 part of 1010 or 1076; Tissuemat E 2 ~ 4 parts; Fineness is less than 400 object micas or carborundum or titanium oxide 25 ~ 35 parts.The present invention has following main beneficial effect: mechanical and physical performance, electrical insulation capability, ESCR performance, ageing-resistant, heat-resisting, fire-resistant, resistance to forceful electric power, fire resistance are more excellent.
Description
Technical field
The invention belongs to technical field of cables, especially relate to a kind of high-tension cable.
Background technology
Along with the maturation of high pressure, UHV transmission technology, the market demand of high pressure, extra-high-tension cable increases day by day, and the environment residing for cable line is not quite similar, the moister filth of some places, therefore, even bare wire, due to the effect of electric field, cable surface still very easily causes leakage current, thus produce a large amount of heats, form larger resistance value, affect the efficiency of transmission of cable, severe patient can burn cable.And with the cable of outer jacket in prior art, be not suitable for again high pressure occasion, therefore, power industry expects the quality cables that can be applied to high-voltage transmission.
Summary of the invention
In order to solve the problem, the object of the invention is to disclose a kind of novel high-tension cable, it realizes by the following technical solutions.
In the invention process example one, a kind of high-tension cable, it includes conductor 1, extrusion molding is coated on insulating barrier 3 outside conductor, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
In the invention process example two, a kind of high-tension cable, it includes conductor 1, the internal shield 2 be coated on outside conductor, extrusion molding are coated on insulating barrier 3 outside internal shield, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
In the invention process example three, a kind of high-tension cable, include formed by cross section placement triangular in shape three insulated electric conductors cable core, be coated on screen 4 outside cable core and extrusion molding and be coated on restrictive coating 5 outside screen, be filled with the filler 6 preventing three insulated electric conductor position movements in cable core gap, each insulated electric conductor comprise conductor 1, the insulating barrier 3 be coated on outside conductor; It is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
A kind of high-tension cable described above, is characterized in that described conductor is many one metal wires or the stranded formation of B alloy wire, the resistivity≤0.01851 Ω mm of described conductor
2/ m.
A kind of high-tension cable described above, is characterized in that described internal shield and conductor contact face and conductor insulation.
A kind of high-tension cable described above, is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene.
A kind of high-tension cable described above, is characterized in that described screen is metal tape or conductive plastics.
Further, a kind of high-tension cable described above, when it is characterized in that described screen is metal tape, metal tape is longitudinal coated or helical coated; Longitudinal direction has longitudinal overlap joint time coated overlapping, and the width of overlap joint overlap is 2 ~ 6mm; After during helical coated, the lap width of a spiral and last spiral is 2 ~ 4mm.
A kind of high-tension cable described in above-mentioned embodiment three, is characterized in that the material of described filler is plastics or silica; Described silica is silicon dioxide.
Restrictive coating of the present invention, owing to have employed special formula, solves the problem of the not competent high voltage occasion of the sheath material used in high-tension cable, extra-high-tension cable, solves the problem occurring serious galvano-cautery in high voltage occasion; Therefore, cable of the present invention has following main beneficial effect: have excellent mechanical and physical performance, electrical insulation capability, ESCR performance, ageing-resistant, heat-resisting, fire-resistant, resistance to forceful electric power performance; And there is excellent fire resistance, product more environmental protection, free from environmental pollution.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of the invention process example 2.
Fig. 3 is the cross-sectional structure schematic diagram of the invention process example 3.
Embodiment
embodiment 1
Ask for an interview Fig. 1, a kind of high-tension cable, it includes conductor 1, extrusion molding is coated on insulating barrier 3 outside conductor, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
embodiment 2
Ask for an interview Fig. 2, a kind of high-tension cable, it includes conductor 1, the internal shield 2 be coated on outside conductor, extrusion molding are coated on insulating barrier 3 outside internal shield, be coated on the restrictive coating 5 that screen 4 outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
A kind of high-tension cable described above, is characterized in that described internal shield and conductor contact face and conductor insulation.
embodiment 3
Ask for an interview Fig. 3, a kind of high-tension cable, include formed by cross section placement triangular in shape three insulated electric conductors cable core, be coated on screen 4 outside cable core and extrusion molding and be coated on restrictive coating 5 outside screen, be filled with the filler 6 preventing three insulated electric conductor position movements in cable core gap, each insulated electric conductor comprise conductor 1, the insulating barrier 3 be coated on outside conductor; It is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts.
A kind of high-tension cable described above, is characterized in that the material of described filler is plastics or silica.
A kind of high-tension cable described in above-mentioned arbitrary embodiment, is characterized in that described conductor is many one metal wires or the stranded formation of B alloy wire, the resistivity≤0.01851 Ω mm of described conductor
2/ m.
A kind of high-tension cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene.
A kind of high-tension cable described in above-mentioned arbitrary embodiment, is characterized in that described screen is metal tape or conductive plastics.
Further, a kind of high-tension cable described above, when it is characterized in that described screen is metal tape, metal tape is longitudinal coated or helical coated; Longitudinal direction has longitudinal overlap joint time coated overlapping, and the width of overlap joint overlap is 2 ~ 6mm; After during helical coated, the lap width of a spiral and last spiral is 2 ~ 4mm.
The applicant produces the formula of following restrictive coating, and respectively produces to embodiment 1 to embodiment 3 each 1000 meters of the cable that diameter is 25mm, and namely each embodiment produces 4 cables by 1-4 formula below; And carry out the trial-production of other multiple formula by filling a prescription on a large scale.
1, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 parts;
Ethene-acetate ethylene copolymer: 10 parts;
Fineness is less than 400 object titanium dioxides: 5 parts;
Fineness is less than 400 object carbon blacks: 2 parts;
Aluminium hydroxide: 5 parts;
Titanium sesquioxide: 2 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 1 part;
Tissuemat E: 2 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 parts.
2, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 100 parts;
Ethene-acetate ethylene copolymer: 20 parts;
Fineness is less than 400 object titanium dioxides: 8 parts;
Fineness is less than 400 object carbon blacks: 4 parts;
Aluminium hydroxide: 10 parts;
Titanium sesquioxide: 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 3 parts;
Tissuemat E: 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 35 parts.
3, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 90 parts;
Ethene-acetate ethylene copolymer: 15 parts;
Fineness is less than 400 object titanium dioxides: 6 parts;
Fineness is less than 400 object carbon blacks: 3 parts;
Aluminium hydroxide: 8 parts;
Titanium sesquioxide: 4 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 2 parts;
Tissuemat E: 3 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 30 parts.
4, restrictive coating by weight, is made up of following raw material: commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 95 parts;
Ethene-acetate ethylene copolymer: 10 parts;
Fineness is less than 400 object titanium dioxides: 7 parts;
Fineness is less than 400 object carbon blacks: 2 parts;
Aluminium hydroxide: 10 parts;
Titanium sesquioxide: 6 parts;
Commercially available model is the cable sheath material antioxidant of 1010 or 1076: 3 parts;
Tissuemat E: 2 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 35 parts.
Restrictive coating in the present invention weighs each raw material according to weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1010 or 1076, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, preferably 30 minutes, carry out material extrusion granulation through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, and draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
Applicant by the restrictive coating of filling a prescription by above-mentioned 1-4 in embodiment 1 and on a large scale formula test, result of the test is as follows, and the 1-4 that fills a prescription is designated as 1#-4#; Formula is designated as 5# on a large scale, and the value of filling a prescription on a large scale is mean value.
The cable that the restrictive coating that above-mentioned 1-4 fills a prescription by applicant is produced, diameter is all 25mm, 1# correspondence formula 1,2# correspondence formula 2, the like, test, its result of the test is as follows.
Restrictive coating of the present invention, owing to have employed special formula, solves the problem of the not competent high voltage occasion of the sheath material used in high-tension cable, extra-high-tension cable, solves the problem occurring serious galvano-cautery in high voltage occasion; Therefore, cable of the present invention has following main beneficial effect: have excellent mechanical and physical performance, electrical insulation capability, ESCR performance, ageing-resistant, heat-resisting, fire-resistant, resistance to forceful electric power performance; And there is excellent fire resistance, product more environmental protection, free from environmental pollution.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.
Claims (10)
1. a high-tension cable, it includes conductor, extrusion molding is coated on insulating barrier outside conductor, be coated on the restrictive coating that screen outside insulating barrier and extrusion molding be coated on outside screen is formed, and it is characterized in that described restrictive coating by weight, is made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts;
Described jacket layer material obtains by the following method: weigh each raw material according to above-mentioned weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1076, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, material extrusion granulation is carried out through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
2. a high-tension cable, it includes conductor, the internal shield be coated on outside conductor, extrusion molding are coated on insulating barrier outside internal shield, be coated on the restrictive coating that screen outside insulating barrier and extrusion molding be coated on outside screen is formed, it is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts, described jacket layer material obtains by the following method: weigh each raw material according to above-mentioned weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1076, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, material extrusion granulation is carried out through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
3. a high-tension cable, include formed by cross section placement triangular in shape three insulated electric conductors cable core, be coated on screen outside cable core and extrusion molding and be coated on restrictive coating outside screen, be filled with the filler preventing three insulated electric conductor position movements in cable core gap, each insulated electric conductor comprise conductor, the insulating barrier be coated on outside conductor; It is characterized in that described restrictive coating by weight, be made up of following raw material:
Commercially available electric wire medium density polyethylene or high density polyethylene (HDPE): 85 ~ 100 parts;
Ethene-acetate ethylene copolymer: 10 ~ 20 parts;
Fineness is less than 400 object titanium dioxides: 5 ~ 8 parts;
Fineness is less than 400 object carbon blacks: 2 ~ 4 parts;
Aluminium hydroxide: 5 ~ 10 parts;
Titanium sesquioxide: 2 ~ 6 parts;
Commercially available model is the cable sheath material antioxidant of 1076: 1 ~ 3 part;
Tissuemat E: 2 ~ 4 parts;
Fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide: 25 ~ 35 parts;
Described jacket layer material obtains by the following method: weigh each raw material according to above-mentioned weight, then by commercially available electric wire medium density polyethylene or high density polyethylene (HDPE), ethene-acetate ethylene copolymer, fineness is less than 400 object titanium dioxides, fineness is less than 400 object carbon blacks, aluminium hydroxide, titanium sesquioxide, commercially available model is the cable sheath material antioxidant of 1076, Tissuemat E, by each raw material, successively add banbury carries out melting mixing to the order that fineness is less than 400 object micas or carborundum or titanium oxide or zirconia or zinc oxide or aluminium oxide, melting temperature is 200 ~ 240 DEG C, mixing time is 20 ~ 40 minutes, material extrusion granulation is carried out through singe screw or double screw extruder after mixing discharging, screw diameter is 45mm or 60mm, draw ratio is 50 ~ 60, carry out cooling after granulation namely obtaining product.
4. according to claim 1 to any one high-tension cable according to claim 3, it is characterized in that described conductor is many one metal wires or the stranded formation of B alloy wire, the resistivity≤0.01851 Ω mm of described conductor
2/ m.
5. a kind of high-tension cable according to claim 2, is characterized in that described internal shield and conductor contact face and conductor insulation.
6. according to claim 1 to any one high-tension cable according to claim 3, it is characterized in that the material of described insulating barrier is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene.
7. according to claim 1 to any one high-tension cable according to claim 3, it is characterized in that described screen is metal tape or conductive plastics.
8. a kind of high-tension cable according to claim 7, when it is characterized in that described screen is metal tape, metal tape is longitudinal coated or helical coated.
9. a kind of high-tension cable according to claim 8, it is characterized in that described screen longitudinal direction has longitudinal overlap joint time coated overlapping, and the width of overlap joint overlap is 2 ~ 6mm; After during helical coated, the lap width of a spiral and last spiral is 2 ~ 4mm.
10. according to claim 1 to any one high-tension cable according to claim 3, it is characterized in that the material of described filler is plastics or silica.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093425.0A CN105551652A (en) | 2014-05-26 | 2014-05-26 | High-voltage cable |
| CN201410225902.5A CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
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| CN201410225902.5A CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
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| CN201610093425.0A Division CN105551652A (en) | 2014-05-26 | 2014-05-26 | High-voltage cable |
| CN201610093424.6A Division CN105778207A (en) | 2014-05-26 | 2014-05-26 | Cable for high-voltage line |
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| CN103971846A CN103971846A (en) | 2014-08-06 |
| CN103971846B true CN103971846B (en) | 2016-04-13 |
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| CN201410225902.5A Expired - Fee Related CN103971846B (en) | 2014-05-26 | 2014-05-26 | A kind of high-tension cable |
| CN201610093425.0A Pending CN105551652A (en) | 2014-05-26 | 2014-05-26 | High-voltage cable |
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| CN201610093425.0A Pending CN105551652A (en) | 2014-05-26 | 2014-05-26 | High-voltage cable |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105609191B8 (en) * | 2014-08-27 | 2017-06-20 | 扬州北辰鑫诚电力器材有限公司 | It is a kind of to can be used to display whether in running order cable |
| CN104167254B (en) * | 2014-09-03 | 2017-01-25 | 中利科技集团股份有限公司 | Double-sheath high voltage connecting cable used in electric vehicle and provided with ultra-soft aluminum conductor and method for manufacturing double-sheath high voltage connecting cable |
| CN105185436B (en) * | 2015-07-26 | 2017-07-07 | 内蒙古仁达特种电缆有限公司 | A kind of single fire protection flame retarding high-tension cable |
| CN105906920A (en) * | 2016-07-04 | 2016-08-31 | 卢永杰 | Low-smoke halogen-free flame-retardant crack-resistant cable material and preparation method thereof |
| CN108192177A (en) * | 2017-11-28 | 2018-06-22 | 安徽国华电缆集团有限公司 | A kind of ageing-resistant communication cable sheath material of outdoor use |
| CN110092975A (en) * | 2019-04-03 | 2019-08-06 | 上海新益电力线路器材有限公司 | Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method |
| CN113161071B (en) * | 2021-04-20 | 2022-05-13 | 四川天邑康和通信股份有限公司 | Novel shielding type coaxial radio frequency cable and preparation method thereof |
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| CN101265346A (en) * | 2008-04-30 | 2008-09-17 | 海门市金瑞塑胶有限公司 | Self-crosslinking heat-resisting low-smoke halogen-free flame-proof plastic for low-voltage automobile electric wire and preparation method thereof |
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Also Published As
| Publication number | Publication date |
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| CN105551652A (en) | 2016-05-04 |
| CN103971846A (en) | 2014-08-06 |
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