CN205645366U - Third generation is low voltage power cable for nuclear power station - Google Patents
Third generation is low voltage power cable for nuclear power station Download PDFInfo
- Publication number
- CN205645366U CN205645366U CN201620253636.1U CN201620253636U CN205645366U CN 205645366 U CN205645366 U CN 205645366U CN 201620253636 U CN201620253636 U CN 201620253636U CN 205645366 U CN205645366 U CN 205645366U
- Authority
- CN
- China
- Prior art keywords
- layer
- nuclear power
- power cable
- power station
- generation
- 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.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 238000004132 cross linking Methods 0.000 claims abstract description 18
- 229920000098 polyolefin Polymers 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 15
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 13
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 13
- 238000009422 external insulation Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000002253 acid Substances 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 238000005336 cracking Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 235000009854 Cucurbita moschata Nutrition 0.000 description 2
- 240000001980 Cucurbita pepo Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 235000020354 squash Nutrition 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004223 radioprotective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a third generation is low voltage power cable for nuclear power station, including a plurality of insulation core, insulation core includes conductor, crosslinked polyethylene the inner insulating layer and radiation cross -linking polyolefin external insulation layer, and crosslinked polyethylene the inner insulating layer and radiation cross -linking polyolefin external insulation layer set gradually in the outside of conductor, and a plurality of insulation core's the outside has set gradually at a distance from the oxygen layer, has wound covering, metal armor layer and oversheath layer. The utility model discloses a third generation is low voltage power cable for nuclear power station installation is convenient, can endure to pull the harsh environment that design standard incident or super design standard incident lead to by third generation nuclear power to possess resistant high low temperature, heat -resisting ageing, resistant irradiation, resistant oil, acid and alkali -resistance, waterproof characteristic.
Description
Technical field
This utility model relates to a kind of generation Ⅲ nuclear power station lv power cable.
Background technology
" nuclear power Long-and Medium-term Development planning (2011 ~ the year two thousand twenty) " and " Nuclear Safety planning (2011 ~ the year two thousand twenty) " two parts of files that Executive Meeting of the State Council on October 24 in 2012 is approved are the Main Basiss that China's nuclear power is restarted.According to documentation requirements, according to " the highest safe new demand new nuclear power projects in the whole world ", say, that all new nuclear power projects must use Generation Ⅲ, and all second filial generation nuclear power projects of not building also must change third-generation technology into.It is reported, China will adjust nuclear power developing thinking, and on the premise of adhering to safety, nuclear power will be rapidly developed, and will reach 43,000,000 kilowatts to installation in 2015, and to the year two thousand twenty, be up to 90,000,000 kilowatts, and strive reaching 100,000,000 kilowatts.These nuclear power stations will use AP1000 technology comprehensively, and it has the power of higher nature and closes succinct design, has the construction cost that more reliable security performance is less.
For AP1000 technology, the supporting power cable in generation Ⅲ nuclear power station requires the service life possessing more than 60 years, and has cracking resistance, low cigarette, Halogen, radioprotective fire-retardant, resistance to, resistance to long term heat ageing, resistance to DBA(design basis accident) and the long-term submergence of DBA and high insulating property.
At present, generation Ⅲ nuclear power station lv power cable on market mainly applies to outside containment, also there is shell inner cable in research and development, but subject matter is that capability of resistance to radiation, service life, anti-cracking performance etc. do not reach requirement mostly, it is impossible to meet the harsh and unforgiving environments requirement of generation Ⅲ nuclear power station.
Accordingly, it would be desirable to a kind of new lv power cable is to solve the problems referred to above.
Utility model content
This utility model is for deficiency of the prior art, it is provided that the generation Ⅲ nuclear power station lv power cable of a kind of function admirable.
For solving above-mentioned technical problem, the technical scheme that generation Ⅲ nuclear power station of the present utility model lv power cable is used is:
A kind of generation Ⅲ nuclear power station lv power cable, including multiple insulated wire cores, described insulated wire cores includes conductor, crosslinked polyethylene inner insulating layer and cross-linking radiation polyolefin external insulation layer, described crosslinked polyethylene inner insulating layer and cross-linking radiation polyolefin external insulation layer are successively set on the outside of described conductor, multiple described insulated wire cores be orderly arranged outside each oxygen barrier layer, lapping layer, metal armor layers and external sheath layer.
Further, the quantity of described insulated wire cores is 3.
Further, described external sheath layer is irradiation crosslinking halogen-free low-smoke flame-proof polyolefin oversheath.Oversheath uses irradiation crosslinking halogen-free low-smoke flame-proof polyolefin oversheath material, uses step temperature to extrude technique, improves cable cracking resistance mechanical performance and meet low cigarette, Halogen, fire-retardant requirement.
Further, described conductor is formed by many tinned copper wires are stranded.Use tinned copper conductor, improve electric conductivity and the antiseptic property of conductor.
Further, described crosslinked polyethylene inner insulating layer and fire-retardant cross-linking radiation polyolefin external insulation layer double-layer coextrusion are in the outside of described conductor.The crosslinked polyethylene inner insulating layer of high electrical performance and fire-retardant cross-linking radiation polyolefin external insulation layer are set, use the composite insulation structure of double-layer coextrusion, it is achieved that high electrical performance, high flame resistance, the unification of high-mechanical property, meet design standard-required.
Further, described oxygen barrier layer is squeezed between described insulated wire cores.Oxygen barrier layer is filled and is used squash type to extrude structure, reduces and is filled the external diameter caused by strip and increase, and compact conformation, external diameter be little, lightweight, roundness high to make product have.Extrude oxygen barrier layer, not only increase fire resistance, and combine together with packed layer, insulating barrier, improve the tensile strength properties of cable.
Further, described lapping layer is high stop band lapping layer, and the surface configuration of described metal armor layers has anticorrosive coat.Use high stop band wrapped and non-corrosive metal (NCM) armor is set, improve product resistance to compression tensile property.
Further, it is provided with glass layer between described metal armor layers and external sheath layer.Glassfiber insulation is good, thermostability is strong, corrosion resistance is good, and mechanical strength is high, but shortcoming is that property is crisp, and wearability is poor, is disposed between outer jacket and sheath giving full play to its advantage, plays good protective action.
Beneficial effect: generation Ⅲ nuclear power station of the present utility model lv power cable mounting and installation is convenient, can tolerate and be pulled design basis event by generation Ⅲ nuclear power or harsh and unforgiving environments that super design reference event causes, and possess high-low temperature resistant, heat-proof aging, resistance to irradiation, oil resistant, acid and alkali-resistance, waterproof characteristic.
Accompanying drawing explanation
Fig. 1 is the structural representation of generation Ⅲ nuclear power station of the present utility model lv power cable.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with this utility model, it should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model, after having read this utility model, those skilled in the art all fall within the application claims limited range to the amendment of the various equivalent form of values of the present utility model.
As shown in Figure 1, a kind of generation Ⅲ nuclear power station of the present utility model lv power cable, including multiple insulated wire cores 4, insulated wire cores includes conductor 1, crosslinked polyethylene inner insulating layer 2 and cross-linking radiation polyolefin external insulation layer 3, crosslinked polyethylene inner insulating layer 2 and cross-linking radiation polyolefin external insulation layer 3 are successively set on the outside of conductor 1, multiple insulated wire cores 4 be orderly arranged outside each oxygen barrier layer 5, lapping layer 6, metal armor layers 7 and external sheath layer 8.Wherein, the quantity of insulated wire cores 4 is 3.
Preferably, conductor 1 is formed by many tinned copper wires are stranded.Use tinned copper conductor, improve electric conductivity and the antiseptic property of conductor.Oxygen barrier layer 5 is squeezed between insulated wire cores 4.Oxygen barrier layer is filled and is used squash type to extrude structure, reduces and is filled the external diameter caused by strip and increase, and compact conformation, external diameter be little, lightweight, roundness high to make product have.Extrude oxygen barrier layer, not only increase fire resistance, and combine together with packed layer, insulating barrier, improve the tensile strength properties of cable.
Preferably, crosslinked polyethylene inner insulating layer 2 and fire-retardant cross-linking radiation polyolefin external insulation layer 3 double-layer coextrusion are in the outside of conductor 1.The crosslinked polyethylene inner insulating layer of high electrical performance and fire-retardant cross-linking radiation polyolefin external insulation layer are set, use the composite insulation structure of double-layer coextrusion, it is achieved that high electrical performance, high flame resistance, the unification of high-mechanical property, meet design standard-required.
External sheath layer 8 is irradiation crosslinking halogen-free low-smoke flame-proof polyolefin oversheath.Oversheath uses irradiation crosslinking halogen-free low-smoke flame-proof polyolefin oversheath material, uses step temperature to extrude technique, improves cable cracking resistance mechanical performance and meet low cigarette, Halogen, fire-retardant requirement.Lapping layer 6 is high stop band lapping layer, and the surface configuration of metal armor layers 7 has anticorrosive coat.Use high stop band wrapped and non-corrosive metal (NCM) armor is set, improve product resistance to compression tensile property.
It is provided with glass layer between metal armor layers 7 and external sheath layer 8.Glassfiber insulation is good, thermostability is strong, corrosion resistance is good, and mechanical strength is high, but shortcoming is that property is crisp, and wearability is poor, is disposed between outer jacket and sheath giving full play to its advantage, plays good protective action.
Generation Ⅲ nuclear power station of the present utility model lv power cable structurally flexible, mounting and installation is convenient, by the harsh and unforgiving environments being pulled design basis event by generation Ⅲ nuclear power or super design reference event causes, and can possess high-low temperature resistant, heat-proof aging, resistance to irradiation, oil resistant, acid and alkali-resistance, waterproof characteristic.
Generation Ⅲ nuclear power station of the present utility model lv power cable has electrical property, oil resistant, the chemical part throttle characteristics of acid and alkali-resistance and low-smoke non-halogen flame-retardant, radiation hardness, the anti-cracking performance of excellence；The construction of cable is soft, and bending radius is not less than 6 times of the outside diameter of cable；Cable stable performance under high temperature or low temperature environment, environmental resistance, resistance to LOCA function admirable.
Claims (8)
1. a generation Ⅲ nuclear power station lv power cable, it is characterized in that: include multiple insulated wire cores (4), described insulated wire cores includes conductor (1), crosslinked polyethylene inner insulating layer (2) and cross-linking radiation polyolefin external insulation layer (3), described crosslinked polyethylene inner insulating layer (2) and cross-linking radiation polyolefin external insulation layer (3) are successively set on the outside of described conductor (1), multiple described insulated wire cores (4) be orderly arranged outside each oxygen barrier layer (5), lapping layer (6), metal armor layers (7) and external sheath layer (8).
2. generation Ⅲ nuclear power station as claimed in claim 1 lv power cable, it is characterised in that: the quantity of described insulated wire cores (4) is 3.
3. generation Ⅲ nuclear power station as claimed in claim 1 lv power cable, it is characterised in that: described external sheath layer (8) is irradiation crosslinking halogen-free low-smoke flame-proof polyolefin oversheath.
4. generation Ⅲ nuclear power station as claimed in claim 3 lv power cable, it is characterised in that: described conductor (1) is formed by many tinned copper wires are stranded.
5. generation Ⅲ nuclear power station as claimed in claim 1 lv power cable, it is characterised in that: described crosslinked polyethylene inner insulating layer (2) and fire-retardant cross-linking radiation polyolefin external insulation layer (3) double-layer coextrusion are in the outside of described conductor (1).
6. generation Ⅲ nuclear power station as claimed in claim 1 lv power cable, it is characterised in that: described oxygen barrier layer (5) is squeezed between described insulated wire cores (4).
7. generation Ⅲ nuclear power station as claimed in claim 1 lv power cable, it is characterised in that: described lapping layer (6) is high stop band lapping layer, and the surface configuration of described metal armor layers (7) has anticorrosive coat.
8. generation Ⅲ nuclear power station as claimed in claim 1 lv power cable, it is characterised in that: it is provided with glass layer between described metal armor layers (7) and external sheath layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620253636.1U CN205645366U (en) | 2016-03-30 | 2016-03-30 | Third generation is low voltage power cable for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620253636.1U CN205645366U (en) | 2016-03-30 | 2016-03-30 | Third generation is low voltage power cable for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645366U true CN205645366U (en) | 2016-10-12 |
Family
ID=57074897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620253636.1U Active CN205645366U (en) | 2016-03-30 | 2016-03-30 | Third generation is low voltage power cable for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205645366U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782792A (en) * | 2016-12-16 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | The wear-resisting wrapped cable of radioresistance |
| CN111508648A (en) * | 2020-05-22 | 2020-08-07 | 南京全信传输科技股份有限公司 | Longitudinal watertight composite cable for deep sea underwater vehicle and preparation process thereof |
| CN111710461A (en) * | 2020-06-19 | 2020-09-25 | 安徽渡江电缆集团有限公司 | Nuclear radiation resistant mobile cable for crown block |
| CN116994817A (en) * | 2023-08-22 | 2023-11-03 | 扬州曙光电缆股份有限公司 | High-safety special power cable for severe environment of nuclear power station |
-
2016
- 2016-03-30 CN CN201620253636.1U patent/CN205645366U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106782792A (en) * | 2016-12-16 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | The wear-resisting wrapped cable of radioresistance |
| CN111508648A (en) * | 2020-05-22 | 2020-08-07 | 南京全信传输科技股份有限公司 | Longitudinal watertight composite cable for deep sea underwater vehicle and preparation process thereof |
| CN111710461A (en) * | 2020-06-19 | 2020-09-25 | 安徽渡江电缆集团有限公司 | Nuclear radiation resistant mobile cable for crown block |
| CN111710461B (en) * | 2020-06-19 | 2022-03-08 | 安徽渡江电缆集团有限公司 | Nuclear radiation resistant mobile cable for crown block |
| CN116994817A (en) * | 2023-08-22 | 2023-11-03 | 扬州曙光电缆股份有限公司 | High-safety special power cable for severe environment of nuclear power station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200993895Y (en) | Indoor-outdoor high performance data cable | |
| CN205645366U (en) | Third generation is low voltage power cable for nuclear power station | |
| CN211376289U (en) | Medium-voltage power cable for rail transit | |
| CN101465176A (en) | Power cable for 1E grade K3 genus nuclear power plant | |
| CN213241967U (en) | Photoelectric hybrid cable for urban intelligent lamp pole | |
| CN205645390U (en) | Third generation is instrument cable for nuclear power station | |
| CN202093880U (en) | Heat-resisting and shielding type power cable used for nuclear power station | |
| CN206163183U (en) | Third generation nuclear power station is thermocouple compensating cable for nuclear island | |
| CN205900147U (en) | A spring cable for a new energy vehicle charging pile | |
| CN202258491U (en) | High-flame-retardance environment-friendly fire-resistant control cable for nuclear power | |
| CN209912597U (en) | Ultraviolet irradiation resistant nuclear-grade lighting cable | |
| CN204651066U (en) | A kind of lv power cable | |
| CN203826061U (en) | Low-smoke halogen-free 1E-type nuclear-power-station-used K3-grade computer cable | |
| CN205645388U (en) | Third generation is control cable for nuclear power station | |
| CN203118654U (en) | Fireproof radiation-resistant cable for nuclear island of nuclear power station | |
| CN107230530A (en) | Control cable for nuclear power station | |
| CN201965976U (en) | Instrument cable for nuclear power station | |
| CN208507236U (en) | A kind of long-life for building double insulation high fire-retardance fire resisting damp-proof cables | |
| CN207909514U (en) | A kind of long-life control cable of resistance to intense radiation | |
| CN207302732U (en) | A kind of long-life lv power cable of resistance to intense radiation | |
| CN104575713A (en) | Special instrument cable for nuclear power plant | |
| CN222051418U (en) | Radiation-resistant low-voltage power cable | |
| CN102956314A (en) | Halogen-free flame-resistant anti-cracking IE-grade cable for nuclear power plant | |
| CN217134032U (en) | Super flexible waterproof anti-cracking fire-resistant environment-friendly medium voltage cable | |
| CN205789224U (en) | A kind of high performance and long service life power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |