CN103617835A - 6-35kV nanometer type ultra A type flame retardant fireproof power cable structure - Google Patents
6-35kV nanometer type ultra A type flame retardant fireproof power cable structure Download PDFInfo
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- CN103617835A CN103617835A CN201310655951.8A CN201310655951A CN103617835A CN 103617835 A CN103617835 A CN 103617835A CN 201310655951 A CN201310655951 A CN 201310655951A CN 103617835 A CN103617835 A CN 103617835A
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Abstract
The invention relates to a 6-35kV nanometer type ultra A type flame retardant fireproof power cable structure. The 6-35kV nanometer type ultra A type flame retardant fireproof power cable structure comprises a cable core, a semicircular tooth-shaped cover (4), a nanometer fireproof layer (5), a lapping nanometer composite belt (6) and a low smoke zero halogen sheath (7), wherein the cable core is formed by stranding a plurality of insulating wire cores, the semicircular tooth-shaped cover (4) warps the insulating wire cores, and the nanometer fireproof layer (5), the lapping nanometer composite belt (6) and the low smoke zero halogen sheath (7) are sequentially arranged outside the semicircular tooth-shaped cover (4). Compared with the prior art, the fireproof performance of the 6-35kV nanometer type ultra A type flame retardant fireproof power cable structure can reach more than 850 DEG C/70 min, the flame retardant class is greatly increased, and the defects of original flame retardant cables are completely overcome.
Description
Technical field
The present invention relates to a kind of cable, especially relate to the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type structure.
Background technology
At present, along with improving constantly of scientific and technological level, middle pressure drag combustion cable application scope is more and more wider, lay local more and more, in in the past, pressing flame retardant cable major part is to adopt fire-retardant and wrapped fire proofing and sheath to reach flame retardant effect, but this effect can not be applicable to present development trend far away.
Summary of the invention
Object of the present invention is exactly to provide the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type structure in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions: the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type structure, it is characterized in that, comprise by the stranded cable core forming of some insulated wire cores, the semi-circular tooth profile sleeve of each insulated wire cores outer wrapping, the nanometer flame retardant coating a that semi-circular tooth profile sleeve sets gradually outward, almag band, tooth profile sleeve, wrapped nano combined band and low-smoke halogen-free flame-retardant sheath.
Described insulated wire cores is by copper conductor and be coated on successively that three-layer co-extruded outside copper conductor goes out layer and metal tape forms.
It is described that three-layer co-extruded to go out layer be coated successively conductor shield, insulating barrier, insulation screen.
Described metal tape is copper strips.
In described semi-circular tooth profile sleeve, be filled with nanometer flame retardant coating b, described wrapped nano combined band is wrapped on semi-circular tooth profile sleeve.
Described nanometer flame retardant coating a adopts the mixed raw material of following component and weight portion content to become: the artificial powder 15-80 of nanometer, nano silicon 10-40, nanometer quartz sand 5-25, nano-aluminum hydroxide 10-45, wollastonite in powder 5-35, color native 5-10, glue 20-40, perlite 5-15, nano-calcium carbonate 15-70.
The material of nanometer flame retardant coating b is identical with nanometer flame retardant coating a.
Described wrapped nano combined band is made by the following method: take 25～30 parts of methyl vinyl silicone rubbers, 0.5～1.2 part of diphenyl silanediol, 0.5～1.2 part of vinyltrimethoxy silane, 15～20 parts of nano silicons (vapor phase method), 15～19 parts of nano silicons (precipitation method), 7～10 parts, calcium hydroxide, 9～12 parts of alundum (Al2O3)s, 1.3～2.0 parts of nano titanium oxides, 0.3～1.0 part of peroxide vulcanizing agent, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
This wrapped nano combined band adopts the materials such as cooperation methyl vinyl silicone rubber, diphenyl silanediol, vinyltrimethoxy silane such as nano silicon (vapor phase method), nano silicon (precipitation method), Nano titanium dioxide to make high temperature resistant composite; and this high temperature resistant composite is pressed together on to glass fiber tape both sides; bi-material is combined; can under flame, decompose rear surface and form a kind of housing and effectively protect the normal operation of insulation fibre core by electric current, not punctured, promote current-carrying capacity of cable superior function.
The present invention develops novel semi-circular tooth profile sleeve and nanometer refractory material with autonomous innovation, and semi-circular tooth profile sleeve not only has high water resistance, and is combined with semi-circular tooth profile sleeve closely in flame retardant coating extrusion, makes flame retardant coating difficult drop-off.Adopt almag band not only to alleviate the overall weight of cable, and it also has that thermal diffusivity is better, intensity is high, anti-ly fall advantages such as hitting effectiveness, nanometer refractory material heatproof can reach more than 1400 ℃.The fire-resistant combustion cable testing of pressure drag temperature 750-800 ℃ in common category-A, 90min, and the super category-A flame-retardant fire-resistant power cable of 6-35kV Nano type can reach 850 ℃, 180min, improve greatly fire resistance rating, thoroughly changed middle weak point of pressing fire-resisting cable in the past.Nano combined band can 350 ℃～3000 ℃ have the housing that can form ceramic-like under flame or nonflame condition, a fireproof excellent performance; And aluminum alloy strip has, quality is light, thermal diffusivity is better, intensity is high, the anti-advantages such as hitting effectiveness of falling.
Compared with prior art, the super category-A flame-retardant fire-resistant power cable of 6-35kV Nano type of the present invention mainly structurally improves and refractory material research and development, develop nanometer refractory material heatproof and can reach 1400 ℃, with a kind of novel semi-circular tooth profile sleeve structure of autonomous innovation, this structure has stable water resistance and the effect of protection insulation fibre core, nanometer flame retardant coating is to extrude in semi-circular tooth profile sleeve internal layer space, closely knitly fill up in fibre core space but also can not come off, nanometer flame retardant coating has and at high temperature has fire-retardant and oxygen barrier effect, changed in the past and pressed flame-retardant fire-resistant power cable filling part in category-A, thoroughly changed the weak point of flame retardant cable in the past.Specifically have the following advantages:
The super category-A flame-retardant fire-resistant power cable of 1.6-35kV Nano type can be under 180min, 850 ℃ of flames steady operation, apply in the situation of voltage 1000V simultaneously and guaranteed that 3A safety fuse is insoluble disconnected.
2. to allow for a long time working temperature be over 70 ℃ to conductor.
3. (maximum length in time is no more than 5 seconds) during short circuit.
4. the maximum temperature of cable conductor is no more than 165 ℃.
5. cable is not laid drop and is limited, lightweight good bending property.
6. cable installation and maintenance are simple and convenient, and during cable laying, ambient temperature is not less than 0 ℃, have corrosion-resistant, high temperature resistant and anti-flammability, ampacity is large.
Accompanying drawing explanation
Fig. 1 is the super category-A flame-retardant fire-resistant power cable of 6-35kV Nano type structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type structure, comprise by three stranded cable cores that form of insulated wire cores, insulated wire cores is by copper conductor 1 and be coated on successively that three-layer co-extruded outside copper conductor goes out layer 2 and metal tape copper strips 3 forms, and three-layer co-extruded to go out layer 2 be coated successively conductor shield, insulating barrier, insulation screen.The semi-circular tooth profile sleeve 4 of each insulated wire cores outer wrapping, the outer nanometer flame retardant coating a5 setting gradually of semi-circular tooth profile sleeve 4, almag band 6, semi-circular tooth profile sleeve 7, is wrappedly nano combinedly with 9 and low-smoke halogen-free flame-retardant sheath 10.Wherein in semi-circular tooth profile sleeve 7, be filled with nanometer flame retardant coating b8, described wrapped be nano combinedly with 9 to be wrapped on semi-circular tooth profile sleeve 7.
Described nanometer flame retardant coating a adopts the mixed raw material of following component and weight portion content to become: the artificial powder 15 of nanometer, nano silicon 10, nanometer quartz sand 5, nano-aluminum hydroxide 10, wollastonite in powder 5, color soil 5, glue 20, perlite 5, nano-calcium carbonate 15.
The material of nanometer flame retardant coating b is identical with nanometer flame retardant coating a.
Described wrapped nano combined band is made by the following method: take 25 parts of methyl vinyl silicone rubbers, 0.5 part of diphenyl silanediol, 0.5 part of vinyltrimethoxy silane, 15 parts of nano silicons (vapor phase method), 15 parts of nano silicons (precipitation method), 7 parts, calcium hydroxide, 9 parts of alundum (Al2O3)s, 1.3 parts of nano titanium oxides, 0.3 part of peroxide vulcanizing agent, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
Referring to Fig. 1, the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type structure, comprise by three stranded cable cores that form of insulated wire cores, insulated wire cores is by copper conductor and be coated on successively that three-layer co-extruded outside copper conductor goes out layer and metal tape copper strips forms, and three-layer co-extruded to go out layer be coated successively conductor shield, insulating barrier, insulation screen.The semi-circular tooth profile sleeve of each insulated wire cores outer wrapping, the nanometer flame retardant coating a that semi-circular tooth profile sleeve sets gradually outward, almag band, semi-circular tooth profile sleeve, wrapped nano combined band and low-smoke halogen-free flame-retardant sheath.Wherein in semi-circular tooth profile sleeve, be filled with nanometer flame retardant coating b, described wrapped nano combined band is wrapped on semi-circular tooth profile sleeve.
Described nanometer flame retardant coating a adopts the mixed raw material of following component and weight portion content to become: the artificial powder 80 of nanometer, nano silicon 40, nanometer quartz sand 25, nano-aluminum hydroxide 45, wollastonite in powder 35, color soil 10, glue 40, perlite 15, nano-calcium carbonate 70.
The material of nanometer flame retardant coating b is identical with nanometer flame retardant coating a.
Described wrapped nano combined band is made by the following method: take 30 parts of methyl vinyl silicone rubbers, 1.2 parts of diphenyl silanediols, 1.2 parts of vinyltrimethoxy silanes, 20 parts of nano silicons (vapor phase method), 19 parts of nano silicons (precipitation method), 10 parts, calcium hydroxide, 12 parts of alundum (Al2O3)s, 2.0 parts of nano titanium oxides, 1.0 parts of peroxide vulcanizing agents, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
Claims (7)
1. the super category-A flame-retardant fire-resistant power cable of a 6-35kV Nano type structure, it is characterized in that, comprise by the stranded cable core forming of some insulated wire cores, the semi-circular tooth profile sleeve (4) of each insulated wire cores outer wrapping, the outer nanometer flame retardant coating a (5) setting gradually of semi-circular tooth profile sleeve (4), almag band (6), semi-circular tooth profile sleeve (7), wrapped nano combined band (9) and low-smoke halogen-free flame-retardant sheath (10).
2. the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described insulated wire cores is by copper conductor (1) and be coated on successively outer three-layer co-extruded of copper conductor (1) and go out layer (2) and metal tape (3) formation.
3. the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type according to claim 2 structure, is characterized in that, described three-layer co-extruded to go out layer (2) be coated successively conductor shield, insulating barrier, insulation screen.
4. the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type according to claim 2 structure, is characterized in that, described metal tape (3) is copper strips.
5. the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, in described semi-circular tooth profile sleeve (7), be filled with nanometer flame retardant coating b (8), described wrapped nano combined band (9) is wrapped on semi-circular tooth profile sleeve (7).
6. the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described nanometer flame retardant coating a (5) adopts the mixed raw material of following component and weight portion content to become: the artificial powder 15-80 of nanometer, nano silicon 10-40, nanometer quartz sand 5-25, nano-aluminum hydroxide 10-45, wollastonite in powder 5-35, color native 5-10, glue 20-40, perlite 5-15, nano-calcium carbonate 15-70.
7. the super category-A flame-retardant fire-resistant power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described wrapped nano combined band (9) is made by the following method: take 25～30 parts of methyl vinyl silicone rubbers, 0.5～1.2 part of diphenyl silanediol, 0.5～1.2 part of vinyltrimethoxy silane, 15～20 parts of nano silicons (vapor phase method), 15～19 parts of nano silicons (precipitation method), 7～10 parts, calcium hydroxide, 9～12 parts of alundum (Al2O3)s, 1.3～2.0 parts of nano titanium oxides, 0.3～1.0 part of peroxide vulcanizing agent, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057325A (en) * | 2016-07-16 | 2016-10-26 | 沈阳艾克虎牌线缆有限公司 | Mineral insulated fireproof cable with heat resistance of 1300 DEG C |
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| CN101097793A (en) * | 2006-06-28 | 2008-01-02 | 上海乐庭电线工业有限公司 | Non-shielding symmetrical data cable for 10G ethernet |
| CN201069677Y (en) * | 2007-07-17 | 2008-06-04 | 万达集团股份有限公司 | Power round cable for electromotive dive oil pump |
| CN102850805A (en) * | 2012-09-24 | 2013-01-02 | 无锡江南电缆有限公司 | Fire-resistant ceramic silicone rubber, preparation method of fire-resistant ceramic silicone rubber and application in wires and cables |
| CN202771839U (en) * | 2012-07-05 | 2013-03-06 | 安徽江淮电缆集团有限公司 | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable |
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2013
- 2013-12-06 CN CN201310655951.8A patent/CN103617835A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7145080B1 (en) * | 2005-11-08 | 2006-12-05 | Hitachi Cable Manchester, Inc. | Off-set communications cable |
| CN101097793A (en) * | 2006-06-28 | 2008-01-02 | 上海乐庭电线工业有限公司 | Non-shielding symmetrical data cable for 10G ethernet |
| CN1935912A (en) * | 2006-10-13 | 2007-03-28 | 孙启明 | Nano ceramic high-temperature-resistant thermal-insulation coating, and its preparing method and use |
| CN201069677Y (en) * | 2007-07-17 | 2008-06-04 | 万达集团股份有限公司 | Power round cable for electromotive dive oil pump |
| CN202771839U (en) * | 2012-07-05 | 2013-03-06 | 安徽江淮电缆集团有限公司 | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106057325A (en) * | 2016-07-16 | 2016-10-26 | 沈阳艾克虎牌线缆有限公司 | Mineral insulated fireproof cable with heat resistance of 1300 DEG C |
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