CN219800524U - 66kV waterproof light environment-friendly polypropylene insulation submarine cable - Google Patents
66kV waterproof light environment-friendly polypropylene insulation submarine cable Download PDFInfo
- Publication number
- CN219800524U CN219800524U CN202321166576.6U CN202321166576U CN219800524U CN 219800524 U CN219800524 U CN 219800524U CN 202321166576 U CN202321166576 U CN 202321166576U CN 219800524 U CN219800524 U CN 219800524U
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- Prior art keywords
- layer
- water
- blocking
- polypropylene
- wrapping
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 68
- -1 polypropylene Polymers 0.000 title claims abstract description 47
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 47
- 238000009413 insulation Methods 0.000 title abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000004809 Teflon Substances 0.000 claims abstract description 4
- 229920006362 Teflon® Polymers 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 87
- 239000004033 plastic Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 15
- 238000011049 filling Methods 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 6
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 6
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a 66kV waterproof light environment-friendly polypropylene insulation submarine cable, and belongs to the field of submarine cables. Solves the problems of lower environmental protection, high energy consumption, long processing period, high cost and the like in the production and manufacture in the prior art. In the utility model, the intermediate conductor comprises a plurality of aluminum single wires, the intermediate conductor is stranded by the aluminum single wires in a layered manner, a semiconductor resistor water-blocking adhesive is filled between each layer of aluminum single wires, and the semiconductor water-blocking adhesive and the intermediate conductor are integrally formed through extrusion molding; the outer part of the middle conductor is wrapped with a semiconductive water-blocking binding belt which is wrapped on the surface of the middle conductor; the semiconductive water-blocking binding band is wrapped with a semiconductive water-blocking band layer, and the semiconductive water-blocking band layer is formed by wrapping a semiconductive Teflon band with a cover. The utility model has the advantages that: the radial water blocking stability of the cable is continuously ensured through the change of the cable material and the waterproof structure, and the cable is environment-friendly, low in cost and higher in production efficiency.
Description
Technical Field
The utility model relates to a 66kV waterproof light environment-friendly polypropylene insulation submarine cable, and belongs to the field of cables.
Background
Under the influence of the development trend of global energy-saving and environment-friendly concepts and the national 'double carbon' target, offshore wind power has become one of the important modes for acquiring electric power. With the vigorous development of the offshore wind power industry in China, offshore shallow wind power resources are reduced, the offshore wind power is developed to deep sea with more abundant wind power resources, and submarine cables with higher voltage levels are required. The traditional waterproof design of the array submarine cable generally adopts a lead sleeve structure, does not accord with the environment protection concept, and has the problems of high energy consumption, long processing period, high cost and the like in production and manufacture.
Disclosure of Invention
The utility model provides a 66kV waterproof light environment-friendly polypropylene insulated submarine cable, which continuously ensures the radial water blocking stability through the change of cable materials and waterproof structures, and is environment-friendly, low in cost and higher in production efficiency.
The technical scheme adopted by the utility model is that the 66kV waterproof light environment-friendly polypropylene insulated submarine cable comprises an outer wrapping layer, wherein a plurality of inner cable cores are wrapped in the outer wrapping layer; the inner cable core comprises a middle conductor, and a cable outer cladding is wrapped outside the middle conductor; the middle conductor comprises a plurality of aluminum single wires, the middle conductor is stranded by the aluminum single wires in a layered manner, a semiconductor resistor water-blocking adhesive is filled between each layer of aluminum single wires, and the semiconductor water-blocking adhesive and the middle conductor are integrally formed through extrusion molding; the outer part of the middle conductor is wrapped with a semiconductive water-blocking binding belt which is wrapped on the surface of the middle conductor; the semiconductive water-blocking binding band is wrapped with a semiconductive water-blocking band layer, and the semiconductive water-blocking band layer is formed by wrapping a semiconductive Teflon band with a cover.
Optimally, the 66kV waterproof light environment-friendly polypropylene insulated submarine cable has three inner cable cores and three inner cable core finished products which are distributed in a shape of Chinese character 'pin'; the cable outer cladding comprises a semiconductive water blocking tape layer, a polypropylene conductor shielding layer, a polypropylene insulating shielding layer, a water blocking buffer layer, a copper wire shielding layer, a longitudinal wrapping aluminum-plastic composite tape layer and an HDPE outer sheath from inside to outside.
Optimally, the 66kV waterproof light environment-friendly polypropylene insulated submarine cable comprises an outer wrapping layer, a PP filling layer, a binding belt, a PP outer wrapping layer and a zinc-aluminum alloy steel wire from inside to outside.
Optimally, the 66kV waterproof light environment-friendly polypropylene insulated submarine cable is formed by three layers of co-extrusion molding of thermoplastic blending modified polypropylene materials, wherein the thicknesses of the polypropylene conductor shielding layer and the polypropylene insulation shielding layer are 1.0-1.7 mm, and the thickness of the polypropylene insulation layer is 10-12 mm.
Optimally, the 66kV waterproof light environment-friendly polypropylene insulated submarine cable is formed by wrapping a seawater-resistant semiconductive water-blocking buffer tape; the copper wire shield comprises a plurality of copper wires, and the copper wires are tied to the water-blocking buffer layer; the longitudinal wrapping aluminum-plastic composite belt layer is formed by longitudinally wrapping a single-sided aluminum-plastic composite belt on the surface of the water-blocking buffer layer, and the plastic surface of the single-sided aluminum-plastic composite belt faces outwards; the HDPE outer sheath is extruded and wrapped on the longitudinal wrapping aluminum-plastic composite belt layer.
Optimally, the 66kV waterproof light environment-friendly polypropylene insulated submarine cable is provided with a PP filling layer which is wrapped outside an inner cable core; the binding belt is formed by binding a rubberized cloth belt on the PP filling layer in a wrapping manner; the PP outer coating layer is formed by wrapping a polypropylene rope on the binding belt, the PP outer coating layer is two layers, and the zinc-aluminum alloy steel wire is positioned between the two PP outer coating layers.
The utility model has the advantages that:
in the technical scheme of the utility model, the compressed round aluminum core conductor is adopted to replace the compressed round split copper conductor, so that the weight is lighter, the cost is lower, and the production efficiency is higher; the conductor water blocking adopts extruded thermoplastic semiconductive water blocking adhesive to replace a double-sided insulating water blocking tape, so that the water blocking capability is greatly improved; thermoplastic polypropylene is used as an insulating material instead of crosslinked polyethylene, the use temperature is higher, and the insulating material has better water tree resistance and environmental protection characteristics; the longitudinal wrapping aluminum-plastic composite belt is adopted to replace the lead sleeve for waterproofing, so that the weight is lighter, the cost is lower, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The technical features of the present utility model are further described below with reference to the accompanying drawings and the specific embodiments.
As shown in the figure, the utility model relates to a 66kV waterproof light environment-friendly polypropylene insulated submarine cable, which comprises an outer wrapping layer, wherein a plurality of inner cable cores are wrapped in the outer wrapping layer. In this embodiment, the number of the inner cable cores is three, and the three inner cable cores are arranged in a finished product shape. The three inner cable cores can be stranded in a delta shape or are arranged in parallel in a delta shape.
The inner cable core of this embodiment comprises a middle conductor 1, the middle conductor 1 being surrounded by a cable outer cover. The middle conductor 1 is formed by layering and twisting a plurality of aluminum single wires, a semiconductor resistor water-blocking adhesive is filled between each layer of aluminum single wires, and the semiconductor resistor water-blocking adhesive and the middle conductor 1 are integrally formed through extrusion molding.
The outer part of the middle conductor 1 is wrapped with a semiconductive water-blocking binding belt, and the semiconductive water-blocking binding belt with the thickness of 0.2mm is wrapped on the surface of the middle conductor 1.
The semiconductive water-blocking binding band is wrapped with a semiconductive water-blocking band layer 2, the semiconductive water-blocking band layer 2 is formed by covering and wrapping a semiconductive Teflon band with the thickness of 0.2mm, and the covering rate is 15-20%.
As shown in the figure, the cable outer cladding of this embodiment sequentially comprises, from inside to outside, a semiconductive water-blocking tape layer 2, a polypropylene conductor shielding layer 3, a polypropylene insulating layer 4, a polypropylene insulating shielding layer 5, a water-blocking buffer layer 6, a copper wire shielding layer 7, a longitudinally-wrapped aluminum-plastic composite tape layer 8, and an HDPE outer sheath 9.
The thermoplastic blending modified polypropylene material is adopted as the base materials of the polypropylene conductor shielding layer 3, the polypropylene insulating layer 4 and the polypropylene insulating shielding layer 5, three layers of coextrusion production is adopted in a VCV vertical production line, the thickness of the polypropylene conductor shielding layer 3 and the polypropylene insulating shielding layer 5 is 1.0-1.7 mm, and the thickness of the polypropylene insulating layer 4 is 10-12 mm.
The water-blocking buffer layer 6 adopts a layer of seawater-type semiconductive water-blocking tape with the thickness of 0.8mm to cover and wrap the package to block water, and the cover-overlapping rate is 40-60%.
The copper wire shield 7 is formed by sparse winding a plurality of copper wires with the diameter ratio of 1.00-1.38 mm, the pitch diameter ratio of the copper wires is controlled to be 6-8 times, and the copper wires are tied up with the water-blocking buffer layer 6.
A layer of seawater type semiconductive water-blocking tape with the thickness of 0.8mm is adopted outside the copper wire shielding 7 to cover, wrap and block water, and the cover-overlapping rate is 5-10%.
The longitudinal wrapping aluminum-plastic composite belt layer 8 is formed by longitudinally wrapping a single-sided aluminum-plastic composite belt on the surface of the water-blocking buffer layer 6. The thickness of the seawater type semiconductive water-blocking tape is 0.25mm, the covering rate of the longitudinal covering is 10-20%, and the plastic surface is outwards. And extruding an HDPE outer sheath 9 while longitudinally wrapping the aluminum-plastic composite belt layer 8, and tightly adhering the HDPE outer sheath, wherein the thickness of the outer sheath is 2.6-3.0 mm.
The outer wrapping layer sequentially comprises a PP filling layer 10, a binding belt 11, a PP outer wrapping layer 12 and a zinc-aluminum alloy steel wire 13 from inside to outside. The PP filling layer 10 is wrapped outside the inner cable cores, and the three inner cable cores are in a delta shape and are formed by co-extrusion molding with the PP filling layer 10 to form the cable.
After cabling, two layers of adhesive tape with the thickness of 0.1mm are adopted for wrapping and tightening to form the binding tape 11, and the wrapping and covering rate is 20-25%.
The PP rope is adopted to wrap the inner liner layer and the PP outer coating layer 12, the thickness of the PP rope is 3.0-4.0 mm, and the pitch diameter ratio is controlled to be 6-8 times.
The metal armor is wound by a seawater-resistant zinc-aluminum alloy steel wire 13 with the diameter of 6.0mm, and the pitch diameter ratio is controlled to be 9-11 times.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (6)
1. A66 kV waterproof light environment-friendly polypropylene insulated submarine cable comprises an outer wrapping layer, wherein a plurality of inner cable cores are wrapped in the outer wrapping layer; the inner cable core comprises a middle conductor (1), and a cable outer cladding is wrapped outside the middle conductor (1); the method is characterized in that:
the middle conductor (1) comprises a plurality of aluminum single wires, the middle conductor (1) is formed by layering and twisting the aluminum single wires, a semiconductor resistor water-blocking adhesive is filled between each layer of aluminum single wires, and the semiconductor resistor water-blocking adhesive and the middle conductor (1) are integrally formed through extrusion molding; the outer part of the middle conductor (1) is wrapped with a semiconductive water-blocking binding belt which is wrapped on the surface of the middle conductor (1); the semiconductive water-blocking binding band is wrapped with a semiconductive water-blocking band layer (2), and the semiconductive water-blocking band layer (2) is formed by covering and wrapping a semiconductive Teflon band.
2. The 66kV waterproof light environment-friendly polypropylene insulated submarine cable according to claim 1, wherein: three inner cable cores are arranged in a shape of a finished product of three inner cable cores; the cable outer cladding comprises a semiconductive water blocking tape layer (2), a polypropylene conductor shielding layer (3), a polypropylene insulating layer (4), a polypropylene insulating shielding layer (5), a water blocking buffer layer (6), a copper wire shielding layer (7), a longitudinal wrapping aluminum-plastic composite tape layer (8) and an HDPE outer sheath (9) from inside to outside in sequence.
3. The 66kV waterproof light environment-friendly polypropylene insulated submarine cable according to claim 1, wherein: the outer wrapping layer sequentially comprises a PP filling layer (10), a binding belt (11), a PP outer coating layer (12) and a zinc-aluminum alloy steel wire (13) from inside to outside.
4. The 66kV waterproof light environment-friendly polypropylene insulated submarine cable according to claim 2, wherein: the polypropylene conductor shielding layer (3), the polypropylene insulating layer (4) and the polypropylene insulating shielding layer (5) are made of thermoplastic blending modified polypropylene materials through three-layer coextrusion, the thicknesses of the polypropylene conductor shielding layer (3) and the polypropylene insulating shielding layer (5) are 1.0-1.7 mm, and the thickness of the polypropylene insulating layer (4) is 10-12 mm.
5. The 66kV waterproof light environment-friendly polypropylene insulated submarine cable according to claim 2, wherein: the water-blocking buffer layer (6) is formed by wrapping a seawater-resistant semiconductive water-blocking buffer belt; the copper wire shield (7) comprises a plurality of copper wires, and the copper wires are tied to the water-blocking buffer layer (6); the longitudinal wrapping aluminum-plastic composite belt layer (8) is formed by longitudinally wrapping a single-sided aluminum-plastic composite belt on the surface of the water-blocking buffer layer (6), and the plastic surface of the single-sided aluminum-plastic composite belt faces outwards; the HDPE outer sheath (9) is extruded and wrapped on the longitudinal wrapping aluminum-plastic composite belt layer (8).
6. A 66kV waterproof lightweight environmental protection polypropylene insulated submarine cable according to claim 3, characterized in that: the PP filling layer (10) is wrapped outside the inner cable core; the binding belt (11) is formed by binding a rubberized cloth belt on the PP filling layer (10) in a wrapping manner; the PP outer coating layer (12) is formed by wrapping a binding belt (11) by a polypropylene rope, the PP outer coating layer (12) is two layers, and the zinc-aluminum alloy steel wire (13) is positioned between the two PP outer coating layers (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166576.6U CN219800524U (en) | 2023-05-15 | 2023-05-15 | 66kV waterproof light environment-friendly polypropylene insulation submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166576.6U CN219800524U (en) | 2023-05-15 | 2023-05-15 | 66kV waterproof light environment-friendly polypropylene insulation submarine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800524U true CN219800524U (en) | 2023-10-03 |
Family
ID=88154262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166576.6U Active CN219800524U (en) | 2023-05-15 | 2023-05-15 | 66kV waterproof light environment-friendly polypropylene insulation submarine cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800524U (en) |
-
2023
- 2023-05-15 CN CN202321166576.6U patent/CN219800524U/en active Active
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