CN106504826A - Ocean engineering boring tower cable with high current-carrying capacity - Google Patents
Ocean engineering boring tower cable with high current-carrying capacity Download PDFInfo
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- CN106504826A CN106504826A CN201510558527.0A CN201510558527A CN106504826A CN 106504826 A CN106504826 A CN 106504826A CN 201510558527 A CN201510558527 A CN 201510558527A CN 106504826 A CN106504826 A CN 106504826A
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- ocean engineering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The present invention relates to a kind of ocean engineering boring tower cable with high current-carrying capacity.Described cable includes three insulated wire cores and three ground connection cores, three described insulated wire cores mutually twist together composition cable core with three ground connection cores, described insulated wire cores are made up of the insulating barrier and sealing coat that arrange outside conductor and conductor, described ground connection core is made up of the insulating barrier of earth lead conductor and earth lead conductor outer cladding, described cable core outer surface is sequentially provided with heat-insulated cushion, metal wire shielding layer, metallic tape shield, and outermost layer is provided with reinforced oversheath.Present configuration is reasonable, high-temp resisting high-humidity resisting, greasy dirt, antivibration, uvioresistant, good bending property, asepsis environment-protecting.
Description
Technical field
A kind of a kind of the present invention relates to cable, more particularly to ocean engineering boring tower cable with high current-carrying capacity.
Background technology
With the fast development of national economy, to oil, resource of the natural electric power for principal mode, the dependence of the energy is also on the rise, it is that consumption is huge, in order to realize the general requirement of the strategy of sustainable development and environmental conservation, mining type breakthrough and Novel clean fungible energy source are all actively being sought by each state, but increase the exploitation of marine oil and gas at present and remain Main way, recently as the development of international ocean oil-gas mining, constantly coastal waters is turned to from land and advance to deep-sea, expect " 12 " end, China's marine engineering equipment industry output value will be to more than hundred billion yuan scales.Data display, over nearly 10 years, the new discovery large oil and gas fields in the whole world 60% are from ocean, the year two thousand twenty is expected, offshore oil will account for the 35% of Global Oil yield, and ocean natural gas proportion is then up to 41%, and the current offshore oil of China accounts for oil exploitation insufficient total amount 1/5, Improvement is huge.China's marine engineering equipment industry faces major opportunity, wants resource just becoming the world to ocean and takes advantage of a favourable situation, and between 10 to 50 years futures, international ocean economic situation will occur great variety.Important component part of the marine engineering equipment as high-end equipment manufacture, the average annual aggregate investment of offshore and gas development will be reached in 50,000,000,000 dollars of level in the following 5-10.
The dynamic positioning system of ocean platform, drilling module, mud veclamation, supermatic control system are required for substantial amounts of electric power energy supply, its security reliability to electric power requires high, once power circuit occurs problem will bring very serious harm to whole platform, and ocean platform is originally highly prone to fire infringement, under the high temperature action of the generation of oil gas burning, offshore platform structure will be caused quickly to fail, high risks be caused to the safety of whole ocean platform and personnel.The production of protection personnel and property; prevent ecological environment just into the most important thing; in view of the particularity of ocean engineering environment; be accompanied by by wave coverings, sea water intrusion, corrosion by petroleum and high temperature low temperature and strong ultraviolet radiation, development a kind of with locomotivity, resistance to marine environment function high flame retardant high current-carrying capacity power cable it has been mentioned that in face of cable manufacturer.
Existing by include conductor, the power cable with cross-linked polyethylene insulation that polyethylene insulation and sheath are constituted, under room temperature, though fire resistance can meet the A class bunchy fire retardancy test requirements that IEC60332 specifies, but the fire resistance for also being difficult to maintain its A class in the working environment of high temperature and oil gas, long-term higher ambient temperature effect, so that whole cable comprehensive oxygen index (OI) in normal operating conditions is substantially reduced, along with cable operating temperature is brought up to after 125 DEG C, cable temperature rise is caused also to increase therewith under high current-carrying capacity, it once is ignited, same accelerated combustion, ultimately result in cable to burn completely, while the conductor junction structure of existing product, the all unfavorable cable bend of shielding construction, insulation, with sheath at high temperature, how good heat stability can not be held, oil resistant, chemical resistance.
Content of the invention
The present invention provides the ocean engineering boring tower cable with high current-carrying capacity of a kind of rational in infrastructure, high-temp resisting high-humidity resisting, greasy dirt, antivibration, uvioresistant, good bending property, asepsis environment-protecting to solve problem above.
The technical scheme is that：Described cable includes three insulated wire cores and three ground connection cores, three described insulated wire cores mutually twist together composition cable core with three ground connection cores, described insulated wire cores are made up of the insulating barrier and sealing coat that arrange outside conductor and conductor, described ground connection core is made up of the insulating barrier of earth lead conductor and earth lead conductor outer cladding, described cable core outer surface is sequentially provided with heat-insulated cushion, metal wire shielding layer, metallic tape shield, and outermost layer is provided with reinforced oversheath.
Aramid fiber net of the described reinforced oversheath by reinforced oversheath internal layer and reinforced oversheath outer layer and between the two is constituted.
5th kind stranded round conductor of the described conductor using IEC60228 regulations, the conjunction of conductor strand beam and secondary multiple strands adopt left-hand, and the roundness after multiple strand reaches 96% in the same direction.
Described heat-insulated cushion adopts refractory ceramic polyolefine material, and extruding mode with pressure is carried out, and fills up the side gap between cable core, and thermal insulation layer effective thickness is 1.0mm to 1.2mm.
Described metal wire shielding layer is formed using tinned copper wire braiding, and string diameter is 0.2-0.4mm, and the density after braiding is 84%.
Described metallic tape shield is formed using aluminium-plastic tape is wrapped, and wrapped rate of putting up is for 25-30%.
The present invention is from the insulation of heavy metal, shielding, fire-retardant band and sheath materials such as the halogens such as not chloride, bromine, not leaded, chromium, hydrargyrum.Cable will not discharge gas and the dense smoke for having intense stimulus to human body respiration organ in flame condition.Meet the requirement of the A class flame retardant cables of IEC60332, and scaling loss amount is minimum, light transmittance is high, small toxicity.PH value>4.3, electrical conductivity<10 μ s/mm, poison exponent≤5, by minimum light transmittance >=80%, while cable also has hot and humid, greasy dirt, antivibration, uvioresistant, good bending property.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure, 1 is conductor, and 2 is insulating barrier, and 3 is sealing coat, and 4 is ground connection core, and 5 is heat-insulated cushion, and 6 is metal wire shielding layer, and 7 is metallic tape shield, and 8 is reinforced oversheath internal layer, and 9 is aramid fiber net, and 10 is reinforced oversheath internal layer.
Specific embodiment
Ocean engineering boring tower cable with high current-carrying capacity, described cable includes three insulated wire cores and three ground connection cores, three described insulated wire cores mutually twist together composition cable core with three ground connection cores, described insulated wire cores are made up of conductor 1 and the 1 outer insulating barrier 2 for arranging of conductor and sealing coat 3, described ground connection core 4 is made up of the insulating barrier 2 of earth lead conductor and earth lead conductor outer cladding, described cable core outer surface is sequentially provided with heat-insulated cushion 5, metal wire shielding layer 6, metallic tape shield 7, and outermost layer is provided with reinforced oversheath.
Aramid fiber net 9 of the described reinforced oversheath by reinforced oversheath internal layer 8 and reinforced oversheath outer layer 10 and between the two is constituted.
5th kind stranded round conductor of the described conductor 1 using IEC60228 regulations, the conjunction of conductor strand beam and secondary multiple strands adopt left-hand, and the roundness after multiple strand reaches 96% in the same direction.
Described heat-insulated cushion 5 adopts refractory ceramic polyolefine material, and extruding mode with pressure is carried out, and fills up the side gap between cable core, and thermal insulation layer effective thickness is 1.0mm to 1.2mm.Refractory ceramic polyolefin is with polyolefin as base material, fire retardant, stabilizer, special modifying agent is added to process, during cable fire, the material separates out water of crystallization after meeting high temperature and resolves into metal-oxide, the moisture of precipitation, cooling effect is not only played, and form ceramic after burning do not melt the duricrust that do not fire, be effectively isolated the contact with air, have significant effect to fire-retardant.
Described metal wire shielding layer 6 is formed using tinned copper wire braiding, and string diameter is 0.2-0.4mm, and the density after braiding is 84%.
Described metallic tape shield 7 is formed using aluminium-plastic tape is wrapped, wrapped rate of putting up for 25-30%, and 6 a combination of both of metal wire shielding layer, either high frequency or the interference of low frequency have a lot of inhibitory action, the bending property of cable also obtain compared with improvement.
Enhancement mode oversheath adopts LSOH anti-flaming cross-linked polyolefin sheath material, for a step enhancing structure intensity, scheme is extruded using a point crowded layer, after i.e. enhancement mode oversheath internal layer 8 is extruded, wouldn't crosslinking Treatment, one layer of aramid fiber net 9 is set up by low-density braiding, enhancement mode oversheath outer layer 10 is extruded again, extruded using pressure during extrusion, cladding material is contacted with internal layer by weaving hole, due to ectonexine material identical, in the presence of high moderate pressure, form one layer of inseparable sheath, overall crosslinking processing is carried out again, also high resiliency has been taken into account in the case where fire retardancy is retained, extensibility, rub and excellent bending flexibility, ensure cable integrally bending during folding and unfolding, crush resistance, further enhance cable moistureproof and anticorrosive property in operation and running, cable service life is longer.
Claims (6)
1. ocean engineering boring tower cable with high current-carrying capacity, it is characterised in that：Described cable includes three insulated wire cores and three ground connection cores, three described insulated wire cores mutually twist together composition cable core with three ground connection cores, described insulated wire cores are made up of the insulating barrier and sealing coat that arrange outside conductor and conductor, described ground connection core is made up of the insulating barrier of earth lead conductor and earth lead conductor outer cladding, described cable core outer surface is sequentially provided with heat-insulated cushion, metal wire shielding layer, metallic tape shield, and outermost layer is provided with reinforced oversheath.
2. ocean engineering boring tower cable with high current-carrying capacity according to claim 1, it is characterised in that：Aramid fiber net of the described reinforced oversheath by reinforced oversheath internal layer and reinforced oversheath outer layer and between the two is constituted.
3. ocean engineering boring tower cable with high current-carrying capacity according to claim 1, it is characterised in that：5th kind stranded round conductor of the described conductor using IEC60228 regulations, the conjunction of conductor strand beam and secondary multiple strands adopt left-hand, and the roundness after multiple strand reaches 96% in the same direction.
4. ocean engineering boring tower cable with high current-carrying capacity according to claim 1, it is characterised in that：Described heat-insulated cushion adopts refractory ceramic polyolefine material, and extruding mode with pressure is carried out, and fills up the side gap between cable core, and thermal insulation layer effective thickness is 1.0mm to 1.2mm.
5. ocean engineering boring tower cable with high current-carrying capacity according to claim 1, it is characterised in that：Described metal wire shielding layer is formed using tinned copper wire braiding, and string diameter is 0.2-0.4mm, and the density after braiding is 84%.
6. ocean engineering boring tower cable with high current-carrying capacity according to claim 1, it is characterised in that：Described metallic tape shield is formed using aluminium-plastic tape is wrapped, and wrapped rate of putting up is for 25-30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510558527.0A CN106504826A (en) | 2015-09-06 | 2015-09-06 | Ocean engineering boring tower cable with high current-carrying capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510558527.0A CN106504826A (en) | 2015-09-06 | 2015-09-06 | Ocean engineering boring tower cable with high current-carrying capacity |
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| Publication Number | Publication Date |
|---|---|
| CN106504826A true CN106504826A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510558527.0A Pending CN106504826A (en) | 2015-09-06 | 2015-09-06 | Ocean engineering boring tower cable with high current-carrying capacity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705888A (en) * | 2017-09-13 | 2018-02-16 | 安徽埃克森科技集团有限公司 | Marine fire-resistant cable that a kind of high intensity is pressure-resistant and preparation method thereof |
| CN108519649A (en) * | 2018-05-22 | 2018-09-11 | 安徽电信器材贸易工业有限责任公司 | A kind of fire-type optical cable and its manufacturing method |
| CN109461537A (en) * | 2018-10-29 | 2019-03-12 | 合肥鸿坤通信工程有限公司 | A kind of lightweight sea communication cable material that ageing-resistant performance is strong |
-
2015
- 2015-09-06 CN CN201510558527.0A patent/CN106504826A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705888A (en) * | 2017-09-13 | 2018-02-16 | 安徽埃克森科技集团有限公司 | Marine fire-resistant cable that a kind of high intensity is pressure-resistant and preparation method thereof |
| CN108519649A (en) * | 2018-05-22 | 2018-09-11 | 安徽电信器材贸易工业有限责任公司 | A kind of fire-type optical cable and its manufacturing method |
| CN109461537A (en) * | 2018-10-29 | 2019-03-12 | 合肥鸿坤通信工程有限公司 | A kind of lightweight sea communication cable material that ageing-resistant performance is strong |
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Application publication date: 20170315 |