CN204632407U - A kind of offshore oil platform Halogen medium-pressure power cable of resistance to mud - Google Patents
A kind of offshore oil platform Halogen medium-pressure power cable of resistance to mud Download PDFInfo
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- CN204632407U CN204632407U CN201520306498.4U CN201520306498U CN204632407U CN 204632407 U CN204632407 U CN 204632407U CN 201520306498 U CN201520306498 U CN 201520306498U CN 204632407 U CN204632407 U CN 204632407U
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Abstract
The utility model discloses a kind of offshore oil platform Halogen medium-pressure power cable of resistance to mud, this structure comprises cable core, and described cable core forms by many insulated wire cores are stranded; Cable core gap is provided with halogen-free flameproof glass cordage packed layer, described cable core adopts overlapping wrapped first lapping layer of halogen-free flameproof glass fabric strip outward, extrude the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud and extrude the inner sheath made, inner sheath external spiral braiding tinned copper wire armour, adopt halogen-free flameproof glass fabric strip overlap to be surrounded with the second lapping layer outward at described armour, the outermost layer of cable is extruded with the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud and extrudes the oversheath made.The utility model has fire-retardant, Halogen, unleaded, without asbestos, resistance to mud, oil resistant, heat-resisting, corrosion-resistant, the characteristics such as tension, also have the functions such as excellent electric, mechanical, environmental protection simultaneously, can be widely used in the electrical power transmission system of offshore oil platform.
Description
Technical field
The utility model relates to maritime power field of cables, specifically a kind of cable for place electrical power transmission systems such as offshore oil platform, boats and ships, warships.
Background technology
In recent years, the great discovery more than 50% of Global Oil from sea, particularly deep water field.Deep water rich in petroleum resources, potentiality are large, become the focus of Global Oil exploration and exploitation.Under the background of soaring oil prices, marine especially deep sea petroleum exploration exploitation has become the bright spot of investment of international major oil companies, and offshore exploration exploitation market is in Rapid development stage.The thriving demand day by day in offshore exploration exploitation market is vigorous, and supply falls short of demand to cause offshore oil platform private cable supporting with it.As the nerve center of oil platform transmission power, offshore oil platform private cable must possess the characteristics such as Halogen, resistance to mud, oil resistant, acid and alkali-resistance, high flame retardant.
But adopt the cable that traditional handicraft manufactures, there is following problem in traditional petroleum platform cable production technology be applicable in offshore oil platform environment: 1, the poor performance of insulation own causes absolutely insulation property, bad mechanical property; 2, conductor adopts ordinary copper skein silk to close, poor corrosion resistance; 3, the fire resistance of interior oversheath, packing material, resistance to mud property are poor; 4, unreasonable structure, armour as the passage sharing short circuit current, can not possess the function of dual shield.
Utility model content
For overcoming the defect of prior art, the purpose of this utility model is that providing a kind of has good insulation property, mechanical performance, power transmission is stablized, Halogen, low cigarette, fire-retardant, oil resistant, acid and alkali-resistance, wear-resisting, the heat-resisting offshore oil platform Halogen medium-pressure power cable of resistance to mud.
A kind of offshore oil platform Halogen medium-pressure power cable of resistance to mud described in the utility model, comprises cable core, and described cable core forms by many insulated wire cores are stranded; Cable core gap is provided with halogen-free flameproof glass cordage packed layer, described cable core adopts overlapping wrapped first lapping layer of halogen-free flameproof glass fabric strip outward, extruding the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud, to extrude the thickness made be the inner sheath of 1.6mm, inner sheath external spiral braiding tinned copper wire armour, adopt halogen-free flameproof glass fabric strip overlap to be surrounded with the second lapping layer outward at described armour, the outermost layer of cable is extruded with the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud, and to extrude the thickness made be the oversheath of 3.0mm.
Further improvement, described insulated wire cores forms metal screen layer by conductor, three-layer co-extruded conductor shield outside conductor, insulating barrier, insulation screen, wrapped semi-conductive tape outside insulation screen and spiral woven tinned copper wire and forms.
Further improvement, the zinc-plated soft copper silk that described conductor is 2.52 mm by 19 diameters carries out stranded forming, and its external diameter is 11.6mm, and cross section is 95mm
2.
Further improvement, described conductor screen layer thickness is 0.8mm.
Further improvement, described thickness of insulating layer is 4.5 mm.
Further improvement, described insulation shielding layer thickness is 0.7 mm, and its external diameter is 23.6mm.
A manufacture method for the offshore oil platform Halogen medium-pressure power cable of resistance to mud, comprises the steps:
1) cathode copper melting, continuous casting and rolling goes out Φ 8.0 mm cathode copper bar;
2) wire drawing, annealing, the zinc-plated soft copper silk making Φ 2.62mm, Φ 0.25 mm, Φ 0.30 are carried out to Φ 8.0 mm cathode copper bar;
3) the zinc-plated soft copper silk of 19 Φ 2.52 mm is carried out stranded, be twisted into the 95mm that external diameter is 11.6mm
2conductor;
4) three-layer co-extruded conductor screen, insulation, insulation shielding on conductor, adopts extrusion die, 95mm
2the conductor screen thickness of inner wire is 0.8mm, and insulation thickness is 4.5 mm, insulation shielding thickness 0.7mm, and insulation shielding external diameter is 23.6mm;
5) weave zinc-plated soft shielding layer of copper wires at the outer wrapped semi-conductive tape of insulation shielding, 36 ingot Horizontal weave machines to weave: 36/7/0.25mm, braiding external diameter 25.2mm;
6) the inorganic paper string of three core stranding cable core gap-fills after braid shielded, laying up diameter is 53.4mm;
7) extrude thermoplastic halogen-free and low-smoke flame-retardant polyolefin inner sheath after stranding, inner sheath thickness is 1.6mm;
8) outside inner sheath, weave tinned copper wire armour, the outer wrapped halogen-free flameproof glass fiber of armour, 48 ingot Horizontal weave machines weaves: 48/8/0.30mm;
9) outside braiding armour, extrude the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud oversheath, oversheath thickness is 3.0mm;
10) last, be up to the standards warehouse-in.
The beneficial effects of the utility model are:
1, the utility model conductor adopts 19 diameters to be that the zinc-plated soft copper silk of 2.52 mm carries out stranded forming, and its external diameter is 11.6mm, and cross section is 95mm
2, guarantee the corrosion-resistant of cable and tensile property, guarantee the electric property that cable keeps excellent in running simultaneously, improve the useful life of cable.
2, in the utility model, the insulation of insulated wire cores adopts three-layer co-extruded, extrudes the good precipitate without conductor screen of quality and oxide and inner shield not easily abrades, and guarantees insulation and the mechanical performance of cable excellence.
3, in the utility model, metallic shield and armouring all adopt tinned copper wire to weave, and also have the characteristic of dual shield, and can be used as the passage of short circuit current, guarantee that cable normally runs while enhancing cable tension bending property.
4, the utility model is filled and is adopted halogen-free flameproof glass cordage, and band adopts halogen-free flameproof glass fabric strip to guarantee the Halogen of cable, low cigarette, high flame retardant and environmental-protecting performance.
5, in the utility model, oversheath adopts and extrudes thermosetting irradiation crosslinking halogen-free low smoke high flame retardant polyolefin inner/outer sheath is a kind of Novel environment-friendlymaterial material, cable is made not only to have excellent high flame-retardant property, heat-resisting, resistance to mud property, have more Halogen, unleaded, floride-free, alkali-free environmental-protecting performance characteristic, instructions for use can be met completely.
6, manufacture method of the present utility model make product with short production cycle, output is high, production cost is low, external diameter at least reduces 10% compared with traditional processing technology, and unit length consumptive material at least reduces 20%, and linear mass at least reduces 25%, eliminate the production capacity fallen behind, achieve the transformation of scientific and technical result, reasonable in design, product cost improves greatly, save labour more than 25%, really accomplish practical, efficient, energy-conservation object.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the flow chart of the utility model manufacture method.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of offshore oil platform Halogen medium-pressure power cable of resistance to mud as shown in Figure 1, comprises cable core, and described cable core forms by many insulated wire cores are stranded; Cable core gap is provided with halogen-free flameproof glass cordage packed layer 7, described cable core adopts overlapping wrapped first lapping layer 8 of halogen-free flameproof glass fabric strip outward, extrude the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud and extrude the inner sheath 9 that the thickness made is 1.6mm, inner sheath external spiral braiding tinned copper wire armour 10, adopt halogen-free flameproof glass fabric strip overlap to be surrounded with the second lapping layer 11 outward at described armour, the outermost layer of cable is extruded with the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud and extrudes the oversheath 12 that the thickness made is 3.0mm.
Wherein, insulated wire cores forms metal screen layer 6 by conductor 1, three-layer co-extruded conductor shield 2 outside conductor 1, insulating barrier 3, insulation screen 4, wrapped semi-conductive tape 5 outside insulation screen 4 and spiral woven tinned copper wire and forms; The zinc-plated soft copper silk that described conductor 1 is 2.52 mm by 19 diameters carries out stranded forming, and its external diameter is 11.6mm, and cross section is 95mm
2, guarantee the corrosion-resistant of cable and tensile property, guarantee the electric property that cable keeps excellent in running simultaneously, improve the useful life of cable.
As shown in Figure 2, a kind of manufacture method of the offshore oil platform Halogen medium-pressure power cable of resistance to mud, comprises the steps:
1) cathode copper melting, continuous casting and rolling goes out Φ 8.0 mm cathode copper bar;
2) wire drawing, annealing, the zinc-plated soft copper silk making Φ 2.62mm, Φ 0.25 mm, Φ 0.30 are carried out to Φ 8.0 mm cathode copper bar;
3) the zinc-plated soft copper silk of 19 Φ 2.52 mm is carried out stranded, be twisted into the 95mm that external diameter is 11.6mm
2conductor;
4) three-layer co-extruded conductor screen, insulation, insulation shielding on conductor, adopts extrusion die, 95mm
2the conductor screen thickness of inner wire is 0.8mm, and insulation thickness is 4.5 mm, insulation shielding thickness 0.7mm, and insulation shielding external diameter is 23.6mm;
5) weave zinc-plated soft shielding layer of copper wires at the outer wrapped semi-conductive tape of insulation shielding, 36 ingot Horizontal weave machines to weave: 36/7/0.25mm, braiding external diameter 25.2mm;
6) the inorganic paper string of three core stranding cable core gap-fills after braid shielded, laying up diameter is 53.4mm;
7) extrude thermoplastic halogen-free and low-smoke flame-retardant polyolefin inner sheath after stranding, inner sheath thickness is 1.6mm;
8) outside inner sheath, weave tinned copper wire armour, the outer wrapped halogen-free flameproof glass fiber of armour, 48 ingot Horizontal weave machines weaves: 48/8/0.30mm;
9) outside braiding armour, extrude the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud oversheath, oversheath thickness is 3.0mm;
10) last, be up to the standards warehouse-in.
Claims (6)
1. the offshore oil platform Halogen medium-pressure power cable of resistance to mud, comprises cable core, it is characterized in that: described cable core forms by many insulated wire cores are stranded, cable core gap is provided with halogen-free flameproof glass cordage packed layer (7), described cable core adopts overlapping wrapped first lapping layer (8) of halogen-free flameproof glass fabric strip outward, extrude the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud and extrude the inner sheath (9) that the thickness made is 1.6mm, inner sheath external spiral braiding tinned copper wire armour (10), halogen-free flameproof glass fabric strip overlap is adopted to be surrounded with the second lapping layer (11) outward at described armour, the outermost layer of cable is extruded with the thermosetting irradiation crosslinking halogen-free low-smoke and flame retardant polyolefin of resistance to mud and extrudes the oversheath (12) that the thickness made is 3.0mm.
2. the offshore oil platform Halogen medium-pressure power cable of resistance to mud according to claim 1, is characterized in that: described insulated wire cores by conductor (1), three-layer co-extruded conductor (1) conductor shield outward (2), insulating barrier (3), insulation screen (4), wrapped insulation screen (4) semi-conductive tape outward (5) and spiral woven tinned copper wire form metal screen layer (6) form.
3. the offshore oil platform Halogen medium-pressure power cable of resistance to mud according to claim 2, is characterized in that: the zinc-plated soft copper silk that described conductor (1) is 2.52 mm by 19 diameters carries out stranded forming, and its external diameter is 11.6mm, and cross section is 95mm
2.
4. the offshore oil platform Halogen medium-pressure power cable of resistance to mud according to claim 2, is characterized in that: described conductor shield (2) thickness is 0.8mm.
5. the offshore oil platform Halogen medium-pressure power cable of resistance to mud according to claim 2, is characterized in that: described insulating barrier (2) thickness is 4.5 mm.
6. the offshore oil platform Halogen medium-pressure power cable of resistance to mud according to claim 2, is characterized in that: described insulation screen (2) thickness is 0.7 mm, and its external diameter is 23.6mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520306498.4U CN204632407U (en) | 2015-05-13 | 2015-05-13 | A kind of offshore oil platform Halogen medium-pressure power cable of resistance to mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900330A (en) * | 2015-05-13 | 2015-09-09 | 无锡市恒汇电缆有限公司 | Halogen-free mud resistant medium voltage power cable for offshore oil platform and manufacturing method thereof |
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- 2015-05-13 CN CN201520306498.4U patent/CN204632407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900330A (en) * | 2015-05-13 | 2015-09-09 | 无锡市恒汇电缆有限公司 | Halogen-free mud resistant medium voltage power cable for offshore oil platform and manufacturing method thereof |
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