CN202473345U - Nuclear power transmission cable - Google Patents
Nuclear power transmission cable Download PDFInfo
- Publication number
- CN202473345U CN202473345U CN2012201156564U CN201220115656U CN202473345U CN 202473345 U CN202473345 U CN 202473345U CN 2012201156564 U CN2012201156564 U CN 2012201156564U CN 201220115656 U CN201220115656 U CN 201220115656U CN 202473345 U CN202473345 U CN 202473345U
- Authority
- CN
- China
- Prior art keywords
- nuclear power
- power transmission
- transmission cable
- cable
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 15
- 150000002367 halogens Chemical class 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 238000009954 braiding Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 23
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000004073 vulcanization Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 2
- 239000012212 insulator Substances 0.000 abstract 2
- 239000002826 coolant Substances 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the cable field and in particular relates to a nuclear power transmission cable which is superior to conventional nuclear power cables in performance and cost. The nuclear power transmission cable structurally comprises a copper conductor 1, an internal shielding layer of shielding ribbon 2, a silicon rubber insulator 3, a tinned copper wire braid outer shield 4, glass fiber padding 5, a wire armoring 6 and a low-smoke and halogen irradiation-free jacket 7. The machining process of the nuclear power transmission cable includes the following steps of: 1, multiple stranding of a copper wire on the soft conductor; 2, longitudinal lapping of the internal shielding layer of shielding ribbon; 3, continuous vulcanization and extrusion of the silicon rubber insulator; 4, longitudinal lapping of the tinned copper wire braid outer shield; 5, filling the glass fiber padding; 6, wire armoring and 7, extrusion of the low-smoke and halogen irradiation-free jacket 7. The nuclear power transmission cable has advantages of good flexibility, mechanical strength, softness and shielding effect, small volume and good corrosion resistance, and certain strength and hardness. Besides properties of the flame retardation, the smoke obscuration and the smoke corrosivity, the nuclear power transmission cable can withstand a radiation test and a LOCA (Loss of Coolant Accident) experiment. The nuclear power transmission cable has large carrying capacity, large insulation resistance, long service life and high overload capacity, and the quality and the temperature of the cable are stable.
Description
Technical field
The utility model relates to field of cables, relates to a kind of nuclear energy power transmission cable and manufacturing approach thereof, and this nuclear energy cable performance cost is superior to existing nuclear energy cable.
Background technology
The nuclear energy cable mainly is applicable to nuclear power station, and its performance not only should have the general characteristic that common cable uses, and should have low cigarette, Halogen, performance such as fire-retardant, will have specific environment resistant (like radiation resistance, anti-LOCA property) in addition.Therefore insulation and the sheath except cable need use the Halogen material, and the auxiliary composition material of other of cable like band, filling, inner cushion layer etc., also must all adopt the Halogen material.The utility model is to be different from traditional nuclear energy cable, adopts the double layer screen technology, and inner shield is the shielding tape wrap, and having increases adaptability, mechanical strength, flexibility and strengthen shield effectiveness and reduce the advantage of volume and weight; External shield is the tinned copper wire braiding, and it has good corrosion resistance, and certain intensity and hardness are arranged again, and good moldability is prone to welding again; Sheath adopts low smoke and zero halogen irradiation material.Therefore the utility model performance is superior to traditional nuclear energy cable, is the substitute products of traditional nuclear energy cable.
Summary of the invention
The purpose of the utility model is to existing nuclear energy cable product, a kind of high-performance, strong radiation hardness is provided, has good shielding and little, the lightweight nuclear energy cable replacement of volume product.
The utility model comprises copper conductor, shielding tape wrap internal shield, silicon rubber insulation, tinned copper wire braiding external shield, glass fiber filling, wire armoring, the low smoke and zero halogen irradiation sheath that sets gradually from the inside to the outside.Technical process is that copper cash twists flexible conductor again, vertical bag screen, and wrapped outer shielding layer after the silicon rubber insulation continuous vulcanization adds and fills the back wire armoring, extrudes low smoke and zero halogen irradiation sheath at last.
The conductor of the utility model, silicon rubber insulation, glass fiber filling and wire armoring material are identical with traditional nuclear energy cable, and the silicon rubber insulation of stipulating among the GB/T 5013.1-2008 is adopted in insulation.The double layer screen technology is that inner shield is the shielding tape wrap, and external shield is the tinned copper wire braiding; Sheath adopts low smoke and zero halogen irradiation material.
Double shield of the utility model and low smoke and zero halogen irradiation material have following characteristics:
1, has and increase adaptability, mechanical strength, flexibility and strengthen shield effectiveness and reduce the performance of volume and weight; Good corrosion resistance is arranged, advantages such as certain intensity and hardness are arranged again.
2, except that fire resistance, cigarette opaqueness, cigarette corrosivity, also can stand radiation test and LOCA test
3, ampacity is big, insulation resistance is big, long service life, overload capacity strong, the product quality temperature stabilization.
Description of drawings
Fig. 1 is the structure principle chart of the utility model embodiment
Among the figure, 1, copper conductor 2, shielding tape wrap internal shield 3, silicon rubber insulation 4, tinned copper wire braiding external shield 5, glass fiber fill out
Fig. 2 is the process chart of the utility model embodiment
1., copper cash twists flexible conductor again among the figure; 2. vertical bag shielding tape wrap internal shield; 3. the silicon rubber insulation continuous vulcanization is extruded; 4. vertical
Bag tinned copper wire braiding external shield; 5. glass fiber is filled; 6. wire armoring; 7. low smoke and zero halogen irradiation sheath is extruded
Embodiment
With reference to Fig. 1, a kind of nuclear energy power transmission cable of the utility model structure is: 1, copper conductor 2, shielding tape wrap internal shield 3, silicon rubber insulation 4, tinned copper wire braiding external shield 5, glass fiber filling 6, wire armoring 7, low smoke and zero halogen irradiation sheath.With reference to Fig. 2, its processes process: 1., copper cash twists flexible conductor again, meets GB/T 5013.6-2008 requirement; 2., the shielding tape wrap 3., to meet the IE4 type of stipulating among the GB/T 5013.1-2008 ethylene propylene rubber insulated in insulation, extrude the insulation back by extruder and carry out continuous vulcanization through connecting the sulphur production line through the continuous vulcanization pipeline.4. vertical bag outer shielding layer 5. glass fiber fill 6. wire armoring 7. low smoke and zero halogen irradiation sheath extrude.
The utility model part test and result:
1. ageing test
Experimental condition:
(1) cable specimen length: 40m;
(2) apply voltage: apply voltage 2kV between phase and phase;
(3) apply electric current: electric current will make conductor temperature reach 100 ℃ through cable;
The duration of (4) circulations: 8h heating, 16h cooling then;
(5) duration of test runs: be no less than 6000h (i.e. 250 temperature cycles).
Result of the test:
(1) the duration of test cable does not puncture.
(2) after the above-mentioned off-test, 10m cable sample is used for testing insulation resistance, and index up to specification.
(3) after the above-mentioned off-test, other 30m cable sample also can stand the test of IEC 332-1 regulation.
2. radiation aging test
Experimental condition:
(1) temperature in the test chamber is 70 ± 3 ℃
(2) irradiation dose: dose rate is 0.1 ± 0.05Mrad/h (0.28 ± 0.14Gy/s); Accumulated dose is 25 ± 15%Mrad (250 ± 15%kGy)
(3) at duration of test, cable is answered no power.
Result of the test:
Behind the irradiation, the cable sample is carried out the test of dielectric strength, insulation resistance, insulation and sheath mechanical performance, value up to specification.
3. accident irradiation test
Experimental condition:
(1) temperature in the test chamber is 70 ± 3 ℃
(2) irradiation dose: dose rate is 0.1 ± 0.05Mrad/h (0.28 ± 0.14Gy/s); Accumulated dose is 60 ± 15%Mrad (600 ± 15%kGy).
(3) at duration of test, cable is answered no power.
Result of the test:
Behind the irradiation, the cable sample is carried out the test of dielectric strength, insulation resistance, insulation and sheath mechanical performance, require value up to specification.(wherein megger test is used to assess the damaged condition of cable).
Claims (1)
1. the copper conductor, shielding tape wrap internal shield, silicon rubber insulation, tinned copper wire braiding external shield, glass fiber filling, wire armoring, the low smoke and zero halogen irradiation sheath that set gradually from the inside to the outside of a nuclear energy power transmission cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201156564U CN202473345U (en) | 2012-03-26 | 2012-03-26 | Nuclear power transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201156564U CN202473345U (en) | 2012-03-26 | 2012-03-26 | Nuclear power transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202473345U true CN202473345U (en) | 2012-10-03 |
Family
ID=46921489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201156564U Expired - Lifetime CN202473345U (en) | 2012-03-26 | 2012-03-26 | Nuclear power transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202473345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867580A (en) * | 2014-02-26 | 2015-08-26 | 安徽红旗电缆集团有限公司 | Marine shielded-insulated cable with current-guiding wire |
-
2012
- 2012-03-26 CN CN2012201156564U patent/CN202473345U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867580A (en) * | 2014-02-26 | 2015-08-26 | 安徽红旗电缆集团有限公司 | Marine shielded-insulated cable with current-guiding wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 102488 Room 101, floor 1, building 2, yard 8, Yanzhong street, Fangshan District, Beijing Patentee after: BEIJING HEAVY CABLE WORKS Address before: 102400 Beijing City, Fangshan District Fangshan Industrial Park East Yan Fu Road No. 1 -6 Patentee before: BEIJING HEAVY CABLE WORKS |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |