CN202258491U - High-flame-retardance environment-friendly fire-resistant control cable for nuclear power - Google Patents
High-flame-retardance environment-friendly fire-resistant control cable for nuclear power Download PDFInfo
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- CN202258491U CN202258491U CN2011201936044U CN201120193604U CN202258491U CN 202258491 U CN202258491 U CN 202258491U CN 2011201936044 U CN2011201936044 U CN 2011201936044U CN 201120193604 U CN201120193604 U CN 201120193604U CN 202258491 U CN202258491 U CN 202258491U
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- fire
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- nuclear power
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- 230000009970 fire resistant effect Effects 0.000 title description 4
- 239000003063 flame retardant Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 30
- 229920000098 polyolefin Polymers 0.000 claims description 30
- 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 claims description 28
- 230000004888 barrier function Effects 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229940024545 aluminum hydroxide Drugs 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-O oxonium Chemical compound [OH3+] XLYOFNOQVPJJNP-UHFFFAOYSA-O 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical class [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
A fire-resistant control cable for high flame-retardant environment-friendly nuclear power comprises a fire-resistant insulating cable core, an alkali-free glass cord layer coated on the fire-resistant insulating cable core, an environment-friendly oxygen isolating layer extruded on the alkali-free glass cord layer, and an outer sheath extruded on the environment-friendly oxygen isolating layer and made of low-smoke halogen-free environment-friendly radiation-resistant cross-linked polyolefin material; the fire-resistant type insulated cable core is formed by twisting a plurality of fire-resistant type insulated wire cores and an inorganic flame-retardant material rope filled in the centers of the fire-resistant type insulated wire cores at a certain twisting pitch; each fire-resistant insulated wire core consists of a multi-core copper conductor, a synthetic mica fire-resistant layer wrapped outside the multi-core copper conductor, and an inner cross-linked polyolefin insulating layer and an outer cross-linked polyolefin insulating layer which are extruded on the mica fire-resistant layer; the utility model has the advantages that this cable can be applied to K1 ~ K3 class occasion in the nuclear power station, and all materials all adopt environment-friendly material, can satisfy multiple harsh environmental requirements such as high temperature, high damp and hot, high radiation, fire-resistant and fire-retardant in the nuclear power station.
Description
Technical field:
The utility model relates to a kind of cable, particularly a kind of high-flame-resistance environment-friendly refractory control cable for nuclear power station.
Background technology:
The control of the inner various instrument and meters of nuclear power station and signal transmission, very high to the reliability requirement of control cable.Because the particularity of nuclear power station internal environment, need cable can bear high temperature, high damp and hot, radiation hardness dosage and severe rugged environment requirement such as fire-retardant, traditional nuclear power is lower with the control cable flame retardant rating, and does not generally have fire resistance.
The utility model content:
The utility model technical problem to be solved is lower with the control cable flame retardant rating to nuclear power, and does not generally have problem such as fire resistance and a kind of high-flame-resistance environment-friendly refractory control cable for nuclear power station is provided.This high-flame-resistance environment-friendly refractory control cable for nuclear power station also has the high and good advantage of fire resistance of flame retardant rating except that having general nuclear power with the control cable performance.
In order to realize above-mentioned utility model purpose, the technical scheme that the utility model adopted is:
A kind of high-flame-resistance environment-friendly refractory control cable for nuclear power station; It is characterized in that; Comprise fire safe type insulation cable core and be coated on alkali-free glass ribbon layer on the said fire safe type insulation cable core and the environment-friendly type oxygen barrier layer that is extruded in the high flame retardant on the said alkali-free glass ribbon layer, also comprise the oversheath that the low smoke and zero halogen environmental-friendly type irradiated crosslinked polyalkene material by high flame retardant on the environment-friendly type oxygen barrier layer that is extruded in said high flame retardant is processed; Wherein fire safe type insulation cable core is to be restricted by the inorganic anti-flaming material of the some fire safe type insulated wire cores high flame retardant central with being filled in said fire safe type insulated wire cores to form so that certain twisting pitch is stranded; Said each root fire safe type insulated wire cores is made up of multicore copper conductor and wrapped synthetic mica flame retardant coating and the inside and outside two-layer cross-linked polyolefin insulating barrier that is extruded on the said mica flame retardant coating outside said multicore copper conductor; Said internal layer cross-linked polyolefin insulating barrier is high insulation resistivity cross-linked polyolefin material layer, and skin is a flame retardant type radiation hardness cross-linked polyolefin material layer.
Said synthetic mica belt is to be not less than overlapping wrapped 2 layers of 50% Duplication, and the refractory temperature of synthetic mica belt is not less than 850 ℃.
The thickness of said inside and outside two-layer cross-linked polyolefin insulating barrier is 55%～60%.
The insulation specific insulation of said internal layer cross-linked polyolefin insulating barrier is not less than 5 * 10
15Ω .cm.
The insulation specific insulation of said outer cross-linked polyolefin insulating barrier is not less than 1 * 10
14Ω .cm, oxygen index should be not less than 36.
The oxygen index of said inorganic anti-flaming material rope is more than 58.
Said alkali-free glass ribbon layer is to be not less than the overlapping wrapped one deck of 20% Duplication, and its refractory temperature is not less than 400 ℃.
The oxygen index of said environment-friendly type oxygen barrier layer is not less than 58.
The oxygen index of said low smoke and zero halogen environmental-friendly type irradiated crosslinked polyalkene material should be not less than 36.And contain more algeldrate and magnesium hydroxide and adopt ep-type material, not leaded, mercury, cadmium, 6 valency chromium and many bromines class materials such as PBBs and PBDEs, and contain environment protection additives such as gamma-rays and the agent of β radiation absorption.
The utility model has the advantages that this cable can be applied to K1 in the nuclear power station～K3 class occasion, and all material all adopts ep-type material, can satisfy high temperature in the nuclear power station, high damp and hot, high radiation, multiple severe rugged environment requirement such as fire-resistant and fire-retardant.
Description of drawings
Fig. 1 is the utility model high-flame-resistance environment-friendly refractory control cable for nuclear power station radial cross-section;
Embodiment:
Further specify the utility model below in conjunction with accompanying drawing and specific embodiment.
Referring to Fig. 1, each root fire safe type insulated wire cores is made up of multicore copper conductor 1 and wrapped synthetic mica flame retardant coating 2 and the inside and outside two-layer cross-linked polyolefin insulating barrier 3,4 that is extruded on the mica flame retardant coating 2 outside multicore copper conductor 1.
Synthetic mica flame retardant coating 2 adopts synthetic mica tape wrapped, and the refractory temperature of mica tape is not less than 850 ℃.Wrapped mode is that mica tape thickness is 0.14mm to be not less than overlapping wrapped 2 layers of 50% Duplication.
Internal layer cross-linked polyolefin insulating barrier 3 adopts non-flame-retardant crosslinking polyethylene insulated material, and nominal thickness is: 0.5mm, and outer cross-linked polyolefin insulating barrier 4 adopts flame-proof crosslinked polyolefine material, and thickness is 0.3mm.Internal layer cross-linked polyolefin insulating barrier 3 adopts the double-layer coextrusion mode to coat with outer cross-linked polyolefin insulating barrier 4, coats closely to guarantee internal layer cross-linked polyolefin insulating barrier 3 and outer cross-linked polyolefin insulating barrier 4.
Fire safe type insulation cable core is to be formed so that certain twisting pitch is stranded by the inorganic anti-flaming material rope of 16 fire safe type insulated wire cores and 3 high flame retardants that are filled in 16 fire safe type insulated wire cores central authorities 5.Fire safe type insulation conductor assembly outer diameter after stranding is stranded is: 18.0～18.5mm, the ectonexine twisting pitch is respectively: 151mm and 270mm.Every fire safe type insulated wire cores external diameter is 3.6～3.7mm.The differentiation of 16 fire safe type insulated wire cores adopts the black insulating surface to print different white numerals, as: 1,2,3 ... 16.
The diameter of the inorganic anti-flaming material of every high flame retardant rope 5 is 4mm, is base material by alkali-free glass wool or asbestos cord, and dip-coating constitutes with the algeldrate of high flame retardant, hydronium(ion) oxidation magnesium or boths', and the oxygen index of this inorganic anti-flaming material rope 5 is more than 58.
The alkali-free glass ribbon layer 6 that is coated on the fire safe type insulation cable core adopts the unorganic glass silk ribbon wrapped, and the refractory temperature of unorganic glass silk ribbon is not less than 400 ℃.Wrapped mode is that unorganic glass ribbon thickness is 0.17mm to be not less than overlapping wrapped 1 layer of 20% Duplication.
The environment-friendly type oxygen barrier layer 7 that is extruded in the high flame retardant on the alkali-free glass ribbon layer 6 adopts and extrudes the low-smoke bittern-free highly fire-proof polyolefine material, and this layer low-smoke bittern-free highly fire-proof polyolefine material uses polyolefine material to be base-material filling constituting with a large amount of algeldrates, hydronium(ion) oxidation magnesium or both.This low-smoke bittern-free highly fire-proof polyolefine material oxygen index should be not less than 58.Environment-friendly type oxygen barrier layer 7 thickness that are extruded in the high flame retardant on the alkali-free glass ribbon layer 6 are about 2.0mm, and external diameter is: 20.5～21.0mm.
Being extruded in oversheath 8 on the environment-friendly type oxygen barrier layer 7 of high flame retardant adopts and extrudes low smoke and zero halogen environment-friendly high fire-retardant radiation hardness cross-linked polyolefin material.This material oxygen index should be not less than 36.Oversheath 8 thickness are about 1.7mm, and external diameter is: 23.9～24.5mm.The color of oversheath 8 is generally black, can be adjusted into other color according to customer requirement.
The advantage of the utility model high-flame-resistance environment-friendly refractory control cable for nuclear power station is to compare with existing common control cable for nuclear power station; High flame retardant and fire-resistant function have been realized; And have functions such as low smoke and zero halogen, environmental protection, high flame retardant, fire-resistant and radiation hardness, be a kind of very ideal control cable kind that is widely used in nuclear power station K1～K3 class environment.
Claims (8)
1. high-flame-resistance environment-friendly refractory control cable for nuclear power station; It is characterized in that; Comprise fire safe type insulation cable core and be coated on alkali-free glass ribbon layer on the said fire safe type insulation cable core and the environment-friendly type oxygen barrier layer that is extruded in the high flame retardant on the said alkali-free glass ribbon layer, also comprise the oversheath that the low smoke and zero halogen environmental-friendly type irradiated crosslinked polyalkene material by high flame retardant on the environment-friendly type oxygen barrier layer that is extruded in said high flame retardant is processed; Wherein fire safe type insulation cable core is to be restricted by the inorganic anti-flaming material of the some fire safe type insulated wire cores high flame retardant central with being filled in said fire safe type insulated wire cores to form so that certain twisting pitch is stranded; Said each root fire safe type insulated wire cores is made up of multicore copper conductor and wrapped synthetic mica flame retardant coating and the inside and outside two-layer cross-linked polyolefin insulating barrier that is extruded on the said mica flame retardant coating outside said multicore copper conductor; Said internal layer cross-linked polyolefin insulating barrier is high insulation resistivity cross-linked polyolefin material layer, and skin is a flame retardant type radiation hardness cross-linked polyolefin material layer.
2. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that, said synthetic mica belt is to be not less than overlapping wrapped 2 layers of 50% Duplication, and the refractory temperature of synthetic mica belt is not less than 850 ℃.
3. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that, the insulation specific insulation of said internal layer cross-linked polyolefin insulating barrier is not less than 5 * 10
15Ω .cm.
4. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that, the insulation specific insulation of said outer cross-linked polyolefin insulating barrier is not less than 1 * 10
14Ω .cm, oxygen index should be not less than 36.
5. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that, the oxygen index of said inorganic anti-flaming material rope is more than 58.
6. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that, said alkali-free glass ribbon layer is to be not less than the overlapping wrapped one deck of 20% Duplication, and its refractory temperature is not less than 400 ℃.
7. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that the oxygen index of said environment-friendly type oxygen barrier layer is not less than 58.
8. high-flame-resistance environment-friendly refractory control cable for nuclear power station according to claim 1 is characterized in that, the oxygen index of said low smoke and zero halogen environmental-friendly type irradiated crosslinked polyalkene material should be not less than 36.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201936044U CN202258491U (en) | 2011-06-09 | 2011-06-09 | High-flame-retardance environment-friendly fire-resistant control cable for nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201936044U CN202258491U (en) | 2011-06-09 | 2011-06-09 | High-flame-retardance environment-friendly fire-resistant control cable for nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258491U true CN202258491U (en) | 2012-05-30 |
Family
ID=46119699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201936044U Expired - Fee Related CN202258491U (en) | 2011-06-09 | 2011-06-09 | High-flame-retardance environment-friendly fire-resistant control cable for nuclear power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928155A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Fire-resistant control cable |
| CN104575781A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Cable |
| CN110648790A (en) * | 2019-10-12 | 2020-01-03 | 湖北力生电缆有限公司 | Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire |
-
2011
- 2011-06-09 CN CN2011201936044U patent/CN202258491U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575781A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Cable |
| CN103928155A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Fire-resistant control cable |
| CN110648790A (en) * | 2019-10-12 | 2020-01-03 | 湖北力生电缆有限公司 | Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190609 |