CN104681158A - Slurry-resistant oil-resistant power cable for oil platform - Google Patents
Slurry-resistant oil-resistant power cable for oil platform Download PDFInfo
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- CN104681158A CN104681158A CN201510105026.7A CN201510105026A CN104681158A CN 104681158 A CN104681158 A CN 104681158A CN 201510105026 A CN201510105026 A CN 201510105026A CN 104681158 A CN104681158 A CN 104681158A
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Abstract
The invention relates to a slurry-resistant oil-resistant power cable for an oil platform. An inner core is formed by stranding three electric power wires, two communication wires and a filler, wherein the three electric power wires are uniformly distributed and in contact with the middle part of the inner core; the two communication wires and the filler are respectively positioned between two adjacent electric power wires; the external part of the inner core is coated with two layers of organic glass synthetic mica tapes; the gaps among the electric power wires, the communication wires and the filler are filled with flame-retardant factice; the flame-retardant factice is prepared from the following components in percentage by weight: 64% of vegetable oil, 5% of fumed silica, 1% of an antioxidant, 1% of a pour point depressant, 1% of a tackifier, 1% of a preservative and 30% of an Al(OH)3 flame retardant. According to the slurry-resistant oil-resistant power cable disclosed by the invention, through rational design and material section of the cable structure, the flame retardant property of the cable can be improved; the outer sheath is prepared by extruding a halogen-free low-smoke flame-retardant polyurethane sheath material, and the inner core is filled with the flame-retardant factice, so that the fire resistance, the slurry resistance and the oil resistance of the cable can be strengthened.
Description
Technical field
The present invention relates to cable field, is especially a kind of resistance to mud oil resistance power cable used for oil platform.
Background technology
Along with the growing tension of Global Oil, natural gas energy resource, the whole world has started to be exploited by land to turn to marine field to exploit on a large scale, thus promotes that oil platform quantity constantly increases.Newly-built and maintenance offshore oil platform needs a large amount of applicable marine cable used, and has driven the development & production of relevant ocean engineering class cable.Cable used for oil platform is subject to the corrosion of mud and greasy filth on platform for a long time, and it is aging to accelerate cable jacket, reduces the machinery of oversheath and physical property, especially fire resistance, forms potential safety hazard, seriously reduces cable useful life.This type of cable requires resistance to mud and oil resistance and strictly, superior antiseptic property, can better guarantee cable-flame retardant performance.Current common plastics and elastomeric material cannot meet the requirement of the resistance to mud of cable, oil resistance and fire resistance simultaneously.
Summary of the invention
The object of the invention is to solve the problem, and provides a kind of resistance to mud oil resistance power cable used for oil platform, is specifically realized by following technical scheme:
A kind of resistance to mud oil resistance power cable used for oil platform, inner core forms by three electrical leads, two communication wires and gasket for packing are stranded; The conductor of described electrical lead is that Lian Lalian moves back tinned wird, the electric insulation layer that its outside is made for ethylene-propylene rubber, and the outer wrap of described electric insulation layer has aluminium foil layer; The outside communication insulating barrier made for ethylene-propylene rubber of the conductor of described communication wire, the outer wrap of described communication insulating barrier has woven shield, and described woven shield outside has aluminium foil layer; The middle part of the uniform and described inner core of described three electrical leads and contacting with each other, described two communication wires and gasket for packing lay respectively between adjacent two electrical leads; Described inner core outer wrap has two-layer polymethyl methacrylate synthetic mica tape; Fill gaps between described electrical lead, communication wire and gasket for packing has fire-retardant ointment, and the components by weight percent of this fire-retardant ointment is: vegetable oil 64%, aerosil 5%, antioxidant 1%, pour-point depressant 1%, tackifier 1%, anticorrisive agent 1% and Al (OH)
3fire retardant 30%; The inner sheath that described polymethyl methacrylate synthetic mica tape outside is made for halogen-free anti-flaming polyolefin material; The outside of described inner sheath is the armour that the braiding of zinc-plated round copper wire is formed, and the outside of described armour is the oversheath that LSOH anti-flaming urethane jacking is made; Described oversheath is made up of strengthening layer and the sheath basic unit that is in strengthening layer inside, and described strengthening layer inside is all embedded with phosphatization copper wire.
Described used for oil platform resistance to mud oil resistance power cable, it designs further and is, the diameter of described phosphatization copper wire is 0.12mm.
Described used for oil platform resistance to mud oil resistance power cable, it designs further and is, described gasket for packing is made up of glass fibre.
The present invention, by construction of cable appropriate design and Material selec-tion, improves the fire resistance of cable; Production inner sheath is extruded by using halogen-free and low-smoke flame-retardant polyolefin sheathed material, replace the double-decker of traditional oxygen barrier layer and inner sheath, this structure can meet the fire resistance of oxygen barrier layer, can meet again the mechanical performance of inner sheath, optimize the construction of cable, reduce manufacturing cost; Produce oversheath by using LSOH anti-flaming urethane jacking to extrude and fill fire-retardant ointment at inner core, strengthening the anti-flammability of cable, resistance to mud and oil resistance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with Figure of description and embodiment, the present invention is further described:
As shown in the figure, the inner core of this resistance to mud oil resistance power cable used for oil platform to be made up of glass fibre of three electrical leads, 1, two communication wires 2 and one that gasket for packing 3 is stranded to be formed; The conductor of electrical lead is that Lian Lalian moves back tinned wird, the electric insulation layer 11 that its outside is made for ethylene-propylene rubber, and the outer wrap of electric insulation layer has aluminium foil layer 4; The outside communication insulating barrier 21 made for ethylene-propylene rubber of the conductor of communication wire 2, the outer wrap of communication insulating barrier has woven shield 22, and woven shield outside has aluminium foil layer 4; The uniform middle part with inner core of three electrical leads and contacting with each other, two communication wires and gasket for packing lay respectively between adjacent two electrical leads; Inner core outer wrap has two-layer polymethyl methacrylate synthetic mica tape 5.
Fill gaps between electrical lead, communication wire and gasket for packing has fire-retardant ointment 6, and the components by weight percent of this fire-retardant ointment is: vegetable oil 64%, aerosil 5%, antioxidant 1%, pour-point depressant 1%, tackifier 1%, anticorrisive agent 1% and Al (OH)
3fire retardant 30%; The inner sheath 7 that polymethyl methacrylate synthetic mica tape outside is made for halogen-free anti-flaming polyolefin material; The outside of inner sheath is the armour 8 that the braiding of zinc-plated round copper wire is formed, and the outside of armour is the oversheath 9 that LSOH anti-flaming urethane jacking is made; Oversheath is made up of strengthening layer 91 and the sheath basic unit 92 that is in strengthening layer inside, and strengthening layer inside is all embedded with phosphatization copper wire 93, and the diameter of phosphatization copper wire is 0.12mm.
Cable operating temperature provided by the invention :-50 DEG C ~ 90 DEG C; The fire resistance of cable meets the fire-retardant category-A test requirements document of IEC60332-3-22 bunchy completely; The low smoke performance of cable is good: the smoke density according to IEC61034 standard-required cable is not less than 60%; The Halogen index of cable meets the requirement of IEC60754, and halogen acid gas burst size is not more than 5mg/g, and concrete its pH value that detects is not less than 4.3, and conductivity is not more than 10 μ s/mm; The resistance to mud property of cable meets the requirement of NEK606 prescribed by standard.
The present invention, by construction of cable appropriate design and Material selec-tion, improves the fire resistance of cable; Production inner sheath is extruded by using halogen-free and low-smoke flame-retardant polyolefin sheathed material, replace the double-decker of traditional oxygen barrier layer and inner sheath, this structure can meet the fire resistance of oxygen barrier layer, can meet again the mechanical performance of inner sheath, optimize the construction of cable, reduce manufacturing cost; Produce oversheath by using LSOH anti-flaming urethane jacking to extrude and fill fire-retardant ointment at inner core, strengthening the anti-flammability of cable, resistance to mud and oil resistance.
Claims (3)
1. a resistance to mud oil resistance power cable used for oil platform, is characterized in that, inner core forms by three electrical leads, two communication wires and gasket for packing are stranded; The conductor of described electrical lead is that Lian Lalian moves back tinned wird, the electric insulation layer that its outside is made for ethylene-propylene rubber, and the outer wrap of described electric insulation layer has aluminium foil layer; The outside communication insulating barrier made for ethylene-propylene rubber of the conductor of described communication wire, the outer wrap of described communication insulating barrier has woven shield, and described woven shield outside has aluminium foil layer; The middle part of the uniform and described inner core of described three electrical leads and contacting with each other, described two communication wires and gasket for packing lay respectively between adjacent two electrical leads; Described inner core outer wrap has two-layer polymethyl methacrylate synthetic mica tape; Fill gaps between described electrical lead, communication wire and gasket for packing has fire-retardant ointment, and the components by weight percent of this fire-retardant ointment is: vegetable oil 64%, aerosil 5%, antioxidant 1%, pour-point depressant 1%, tackifier 1%, anticorrisive agent 1% and Al (OH)
3fire retardant 30%; The inner sheath that described polymethyl methacrylate synthetic mica tape outside is made for halogen-free anti-flaming polyolefin material; The outside of described inner sheath is the armour that the braiding of zinc-plated round copper wire is formed, and the outside of described armour is the oversheath that LSOH anti-flaming urethane jacking is made; Described oversheath is made up of strengthening layer and the sheath basic unit that is in strengthening layer inside, and described strengthening layer inside is all embedded with phosphatization copper wire.
2. resistance to mud oil resistance power cable used for oil platform according to claim 1, it is characterized in that, the diameter of described phosphatization copper wire is 0.12mm.
3. resistance to mud oil resistance power cable used for oil platform according to claim 2, it is characterized in that, described gasket for packing is made up of glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105026.7A CN104681158A (en) | 2015-03-10 | 2015-03-10 | Slurry-resistant oil-resistant power cable for oil platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105026.7A CN104681158A (en) | 2015-03-10 | 2015-03-10 | Slurry-resistant oil-resistant power cable for oil platform |
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| CN104681158A true CN104681158A (en) | 2015-06-03 |
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| CN201510105026.7A Pending CN104681158A (en) | 2015-03-10 | 2015-03-10 | Slurry-resistant oil-resistant power cable for oil platform |
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Citations (9)
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| CN201327734Y (en) * | 2008-10-27 | 2009-10-14 | 浙江万马集团特种电子电缆有限公司 | Damp proof co-axial cable |
| CN201413729Y (en) * | 2009-05-13 | 2010-02-24 | 安徽新宇缆业集团有限公司 | Refractory frequency conversion cable for ship |
| CN201584212U (en) * | 2009-11-16 | 2010-09-15 | 东莞市日新传导科技股份有限公司 | Silicon rubber power supply cable |
| CN102053322A (en) * | 2009-11-10 | 2011-05-11 | 上海鸿辉光通材料有限公司 | Optical fiber filling paste for optical fiber composite overhead ground wire (OPGW) and preparation method thereof |
| CN102708974A (en) * | 2012-06-11 | 2012-10-03 | 沈群华 | Flame-retardant waterproof ointment incompatible with flame-retardant sheath material and used for filling cable |
| CN202771071U (en) * | 2012-08-23 | 2013-03-06 | 广东亨通光电科技有限公司 | Indoor and outdoor dual-purpose optical cable |
| CN104134488A (en) * | 2014-06-27 | 2014-11-05 | 安徽省巢湖海兴电缆集团有限公司 | High-voltage cable for accessing compartment |
| CN104318991A (en) * | 2014-11-10 | 2015-01-28 | 成都冠禹科技有限公司 | Deep sea cable |
| CN104714283A (en) * | 2015-03-20 | 2015-06-17 | 西安西古光通信有限公司 | Mixing loose tube type layer-stranding optical cable and manufacturing method thereof |
-
2015
- 2015-03-10 CN CN201510105026.7A patent/CN104681158A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327734Y (en) * | 2008-10-27 | 2009-10-14 | 浙江万马集团特种电子电缆有限公司 | Damp proof co-axial cable |
| CN201413729Y (en) * | 2009-05-13 | 2010-02-24 | 安徽新宇缆业集团有限公司 | Refractory frequency conversion cable for ship |
| CN102053322A (en) * | 2009-11-10 | 2011-05-11 | 上海鸿辉光通材料有限公司 | Optical fiber filling paste for optical fiber composite overhead ground wire (OPGW) and preparation method thereof |
| CN201584212U (en) * | 2009-11-16 | 2010-09-15 | 东莞市日新传导科技股份有限公司 | Silicon rubber power supply cable |
| CN102708974A (en) * | 2012-06-11 | 2012-10-03 | 沈群华 | Flame-retardant waterproof ointment incompatible with flame-retardant sheath material and used for filling cable |
| CN202771071U (en) * | 2012-08-23 | 2013-03-06 | 广东亨通光电科技有限公司 | Indoor and outdoor dual-purpose optical cable |
| CN104134488A (en) * | 2014-06-27 | 2014-11-05 | 安徽省巢湖海兴电缆集团有限公司 | High-voltage cable for accessing compartment |
| CN104318991A (en) * | 2014-11-10 | 2015-01-28 | 成都冠禹科技有限公司 | Deep sea cable |
| CN104714283A (en) * | 2015-03-20 | 2015-06-17 | 西安西古光通信有限公司 | Mixing loose tube type layer-stranding optical cable and manufacturing method thereof |
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Application publication date: 20150603 |