CN103227007B - The ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion and manufacture method thereof - Google Patents
The ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion and manufacture method thereof Download PDFInfo
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- CN103227007B CN103227007B CN201310099482.6A CN201310099482A CN103227007B CN 103227007 B CN103227007 B CN 103227007B CN 201310099482 A CN201310099482 A CN 201310099482A CN 103227007 B CN103227007 B CN 103227007B
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Abstract
The present invention relates to a kind of ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion and manufacture method thereof, power cable insulation layer, control cables insulating barrier and instrument cable insulating barrier all adopt the Salt corrosion rubber insulation of resistance to torsion, the mutual stranded formation compound cable core of electric-cable core, control cables cable core and instrument cable cable core, the periphery of compound cable core is enclosed with low-intensity nonwoven fabrics and indulges covering, and the periphery that covering indulged by low-intensity nonwoven fabrics is extruded with sheath.The present invention adopts low-intensity nonwoven fabrics to indulge covering, its shape profile that is complete and insulated wire cores matches, eliminate low-intensity nonwoven fabrics and indulge space between covering and insulated wire cores, stop flame continuous transmission internally under being convenient to burning condition, and the dipping resisting moisture can be strengthened; Simultaneously low-intensity nonwoven fabrics is indulged covering and can be guaranteed adhesion between sheath and insulated wire cores, does not injure insulated wire cores when constructability process divests sheath.
Description
Technical field
The present invention relates to a kind of composite cable, particularly a kind of ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion.The invention still further relates to the manufacture method of a kind of ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion.
Background technology
With the maturation that landing utilizes with wind-powered electricity generation, country starts to advance ocean wind-powered electricity generation to utilize, but there is no at present and can meet ocean wind-powered electricity generation applying working condition to be completely exclusively used in ocean wind-powered electricity generation electricity consumption cable supporting with it, and be mostly by supporting for the former cable for land wind-powered electricity generation for ocean wind-powered electricity generation, or adopt the cable of certain performance possessed needed for ocean wind-powered electricity generation electricity consumption cable.But land wind-powered electricity generation cable performance does not consider the particular surroundings of ocean wind-powered electricity generation, especially do not possess and stand the many salt in ocean, acid, caustic corrosion, greasy dirt corrosion and sea water resistance wetness impregnation performance for a long time.Be easy to break down when sea wind generating is reversed, reduction of service life, cause engineering cost to increase and even shelve.
Authorization Notice No. is that the utility model patent of CN201725624U discloses a kind of Special power cable for maritime wind power generation equipment, this cable adopts 105 DEG C of irradiation crosslinking types ethylene propylene rubber insulated, possesses salt spray resistance, but cross-linking radiation ethylene-propylene rubber material is very hard, be unfavorable for the softness of wind-powered electricity generation requirement, simultaneously it does not possess ocean wind-powered electricity generation electricity consumption cable needs resistance toly to stand the moist impregnability of sea wind seawater for a long time, easily cause humidified insulation to reduce insulation resistance and cause use safety hidden danger, reduce cable useful life.
Authorization Notice No. is that the utility model patent of CN201904120U discloses a kind of flexible cable for offshore wind generating, this cable cabling adopts polypropylene rope to fill, internal shield and outer shielding layer is provided with outside conductor, proof copper-wire braided is provided with outside external shield, polypropylene rope packing material has very large morphotropism and structural instability, filling is not accomplished closely knit, gap is had between sheath and core, cable cable core when reversing is not fixed, radial displacement can be there is and cause local bulge, even sheath is damaged, seawater occurs and soaks into, cause use accident.The internal shield simultaneously arranged, outer shielding layer and proof copper-wire braided make the outside diameter of cable very large, and metal knittedly can reduce cable bend twisting property.
Publication number is that the patent of invention of CN101531781A discloses a kind of sheath rubber for wind electric power generation cable, formed with other raw materials are mixing by neoprene and butadiene rubber, flexibility, elasticity and generation cracking significantly can not be lost-50 DEG C time, but it does not possess sea water resistance salt air corrosion and sea water resistance wetness impregnation performance, is unsuitable for oceanic winds electrical environment.
Publication number is that the patent of invention of CN101838424A discloses a kind of distortion-resistance wind power generation cable sheath materials and cable, sheath adopts haloflex to be virgin rubber base material, possess low temperature resistant-60 DEG C of torsional resistances, but do not possess sea water resistance salt, acid, caustic corrosion and sea water resistance wetness impregnation performance, be unsuitable for oceanic winds electrical environment; This cable insulation and sheath double-layer coextrusion simultaneously, when being unfavorable for construction and installation, cable socket insulation and sheath is separated.
Summary of the invention
Primary and foremost purpose of the present invention is, overcome problems of the prior art, a kind of ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion is provided, production technology is simple, cost compared with low, external diameter is little, lightweight, soft pliable is bent, constructability is installed, and possesses resistance to torsion, sea water resistance salt air corrosion and sea water resistance wetness impregnation performance.
For realizing above object, a kind of ocean provided by the present invention wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, power cable twisted copper conductors periphery is extruded with power cable insulation layer and forms power cable insulation core, the many mutual stranded formation electric-cable cores of described power cable insulation core, control cables twisted copper conductors periphery is extruded with control cables insulating barrier and forms control cables insulated wire cores, the many mutual stranded formation control cables cable cores of described control cables insulated wire cores, the periphery of described control cables cable core is surrounded with control cables copper foil shielding layer, inwardly and inner side is provided with control cables drainage thread, described control cables drainage thread runs through control cables cable core overall length and together with abutting against with copper-clad surface for the copper-clad surface of described control cables copper foil shielding layer, instrument cable twisted copper conductors periphery is extruded with instrument cable insulating barrier and forms instrument cable insulated wire cores, described instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, the right gap filling of described twisted pair wire has fire-retardant non-hygroscopic fiber to fill out core, each described twisted pair wire is to adopting different twisting pitch, many groups of described twisted pair wires are to mutual stranded formation instrument cable cable core, the periphery of described instrument cable cable core is surrounded with instrument cable copper foil shielding layer, the copper-clad surface of described instrument cable copper foil shielding layer is inside and inner side is provided with instrument cable drainage thread, described instrument cable drainage thread runs through instrument cable cable core overall length and together with abutting against with copper-clad surface, described power cable insulation layer, control cables insulating barrier and instrument cable insulating barrier all adopt the Salt corrosion rubber insulation of resistance to torsion, the mutual stranded formation compound cable core of described electric-cable core, control cables cable core and instrument cable cable core, the periphery of described compound cable core is enclosed with low-intensity nonwoven fabrics and indulges covering, and the periphery that covering indulged by described low-intensity nonwoven fabrics is extruded with sheath.
Relative to prior art, the present invention achieves following beneficial effect: cable of the present invention adopts low-intensity nonwoven fabrics to indulge covering, the feature of vertical bag can only be that the nonwoven fabrics of one fixed width is divided into some sections, one section of parcel is connect along composite cable cable core axis direction one section, it is very little at the tension force of circumferencial direction that covering indulged by low-intensity nonwoven fabrics, be easy to low-intensity nonwoven fabrics to be indulged covering when extruding sheath and be pressed in composite cable insulated wire cores outer surface, namely low-intensity nonwoven fabrics indulge covering shape completely and the profile of composite cable insulated wire cores match, eliminate low-intensity nonwoven fabrics and indulge space between covering and composite cable insulated wire cores, flame continuous transmission is internally stoped under being convenient to burning condition, and the dipping resisting moisture can be strengthened, simultaneously low-intensity nonwoven fabrics is indulged covering and can be guaranteed adhesion between sheath and composite cable insulated wire cores, does not injure composite cable insulated wire cores when constructability process divests sheath.
As preferred version of the present invention, the thickness that covering indulged by described low-intensity nonwoven fabrics is 0.05 ~ 0.1mm, overlap vertical bag successively along composite cable cable core axis direction, the width that covering indulged by every section of described low-intensity nonwoven fabrics is 3.5 ~ 3.8 times of composite cable cable core diameter.
As preferred version of the present invention, raw material components and the weight content of the described Salt corrosion rubber insulation of resistance to torsion are as follows, ethylene propylene diene rubber Keltan5508:8 part; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:5 ~ 7 part; Vulcanizing agent cumyl peroxide: 0.5 ~ 0.7 part; Co-curing agent triallylcyanurate: 0.3 ~ 0.5 part; Antiscorching agent N, a N '-penylene bismaleimides: 0.2 ~ 0.4 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.2 ~ 0.4 part; Age resistor 2 mercapto benzimidazole: 0.2 ~ 0.4 part; Silane coupler gamma-aminopropyl-triethoxy-silane: 0.2 ~ 0.4 part; Fire retardant hydration zinc borate: 2.1 ~ 2.5 parts; Fire retardant antimonous oxide: 1 ~ 1.5 part; Flame retardant filler aluminium hydroxide: 25 ~ 40 parts; Activator lead orthoplumbate: 0.8 ~ 1.2 part; Activator stearic acid: 0.5 ~ 1 part; Activator nano zine oxide: 1.5 ~ 2 parts; Plasticizer Sunpar2280 paraffin oil: 2 ~ 5 parts; Plasticizer chlorinated paraffin-52: 0.5 ~ 1 part; Reinforcing agent hydrated SiO 2: 1 ~ 3 part.Ethylene propylene diene rubber Keltan5508 is mixing and expressing technique performance is good, and electrical insulation properties is excellent, but cost is high, and ethylene propylene diene rubber DutralTER4044 then has excellent expressing technique performance, and cost is low, and proportion is little; Particle ethylene elastomers body rubber EP-20 is the copolymer elastomer granulated rubber of a kind of modulated ethene and alpha-olefin, its mobility is excellent, density is only 0.903g/cm3, itself and other ethylene-propylene rubber has good compatibility, the feature having reduction epoxy glue Mooney viscosity, strengthen the intensity of elastomeric compound, increase cable insulating surface smoothness, improve extrusion flowability, improve extruded velocity; Three shares the electrical insulation properties that both ensure that electro-insulating rubber, ensure that the manufacturability of rubber, apparent, extruded velocity and cost efficiency simultaneously.Adopt anti-aging agent RD and antioxidant MB to share the heat resistance that can improve vulcanizate, strengthen cable operating temperature, improve ampacity, antioxidant MB has suppression copper conductor aging action simultaneously.Due to the direct coating conductor that insulate in the present invention, the vulcanizing agent and the promoter that use sulphur and sulfur-bearing need be avoided, because adopt the vulcanized rubber heat aging property of this type of vulcanizing agent very poor, and copper is corrosive, black copper sulfide is produced on copper surface, increase the resistance of copper conductor, reduce current carrying capacities.Adopt vulcanizing agent DCP to carry out sulfuration as main vulcanizing agent and can keep the bright and clean of conductor and purity for a long time, vulcanizing agent DCP decomposes produces free radical, seizes the hydrogen atom in ethylene-propylene rubber, causes cross-linking reaction; But because vulcanizing agent DCP is under acid and reducing substances affect, produces ionic and decompose, cause the degraded of ethylene-propylene rubber, the crosslinked of ethylene-propylene rubber and fracture are occurred simultaneously, reduce curing efficiency, the crosslink density of vulcanizate is low, stretching strength and tensile strength little; Simultaneously during alone vulcanizing agent DCP, its analyte has stink.Thus have employed vulcanizing agent DCP and co-curing agent TAC and use, co-curing agent TAC has two unsaturated active functional group groups, can fast and the radical reaction that decomposites of vulcanizing agent DCP, form constitutionally stable new free radical to continue to participate in cross-linking reaction, improve the utilance of vulcanizing agent DCP and the cross-linking efficiency of ethylene-propylene rubber, suppress ethylene-propylene rubber fracture to occur.The two shares the acidity impact overcoming reinforcing agent calcinated argil, ensure that cross-linking efficiency.The peroxide vulcanizing agents such as antiscorching agent HVA-2 and vulcanizing agent DCP also use the curability significantly improving sizing material, improve thermal endurance, reduce sizing material compression set rate, reduce amount of peroxide, prevent the incipient scorch of sizing material in the course of processing, help avoid the difficult problem that copper conductor pollutes blackout simultaneously.Employing aluminium hydroxide (hydrated alumina) not only can as fire retardant, the effect of filler can be played simultaneously, do not need additionally to add filler again, can reduce costs, it contains 3 hydrones, start to decompose at 250 DEG C, discharge hydrone and absorb heat and reduce environment temperature, the steam discharged serves again the effect of combustable gas concentration in dilution gas phase, the carbide of the alundum (Al2O3) generated and the polymer surfaces of burning combines, form diaphragm, cut off the intrusion of heat energy and oxygen, served fire retardation; Hydrated alumina has low smoke performance and reduces the effect of carbon monoxide generation simultaneously, and the gas of release is steam, completely to biological nontoxic, to hardware non-corrosiveness, and environment-protecting clean.But aluminium hydroxide uses very few being difficult to reach flame retardant effect, and use and too much can cause sizing material expressing technique hydraulic performance decline, sizing material hardens, and can feed glue difficulty when extruding, insulation outward appearance is coarse.Aluminium hydroxide and antimonous oxide and hydration zinc borate is adopted to share, during burning and plasticizer chlorinated paraffin-52 generation chemical reaction generate antimony chloride, boron chloride and zinc chloride, disengage Bound moisture and produce glassy covering, play blanketing effect and dilution effect, reach flame retardant effect, good dispersion.Reinforcing agent adopts hydrated SiO 2 strengthening action excellent, effectively can increase the physical and mechanical properties of rubber, improve viscosity and the processing characteristics of ethylene-propylene rubber, but hydrated SiO 2 have water absorption, immersion electric property is poor, need carry out surface treatment overcome drawback by coupling agent.Silane resin acceptor kh-550 effectively can improve the water absorption of filler and reinforcing agent, ensure vulcanizate electrical insulation capability stable under boats and ships moist or water-immerged environment, its coupling spontaneous with hydrated SiO 2 on the one hand, its granularity of remarkable reduction, make it to be easier to fill evenly, improve the wettability of sizing material and filler and reinforcing agent, strengthen strengthening action; On the other hand in sulfidation, rubber one filler key is formed by unsaturated bond, hydrated SiO 2 is changed to hydrophobicity by hydrophily, play and increase curingprocess rate, the raising tensile strength of vulcanizate and the water-resistant stability of electrical insulation capability, eliminate vulcanizate produces pore effect when the sulfuration of jet chimney continuous high temperature.And silane resin acceptor kh-550 proportion is little, only has 0.94g/cm3, the weight alleviating cable can be conducive to.Plasticizer adopts Sunpar2280 paraffin oil and chlorinated paraffin-52 and uses, Sunpar2280 paraffin oil viscosity is high, and good with ethylene-propylene rubber intersolubility, volatility is little, the elasticity of ethylene-propylene rubber can be reduced, improve its viscosity and the harder shortcoming of the rubber that adopts aluminium hydroxide to cause as flame retardant filler; Plasticizer chlorinated paraffin-52 can promote the plasticity of sizing material on the one hand, improves production and processing technology, reacts on the other hand, realize the fire resistance of sizing material with fire retardant antimonous oxide and hydration zinc borate.Adding of nano zine oxide can accelerate curingprocess rate, improves state of cure (vulcanization); Lead orthoplumbate can improve acidproof, the water resistance of vulcanizate, and improves the heat aging property of rubber, is applicable to that the waterproof of boats and ships to cable is soaked into, Long Term Contact water environment and heat-proof aging increase ampacity and requirement in useful life.Stearic acid then possesses the effect of activator and softening plasticizer simultaneously, promotes the performance of nano zine oxide activity, makes the dispersiveness of nano zine oxide in sizing material better, evenly; But lead orthoplumbate easily makes rubber produce getting up early sulfuration, adding of stearic acid and nano zine oxide, the incipient scorch tendency of sizing material can be reduced, increase thermal stability.Electro-insulating rubber tensile strength of the present invention is greater than 5.3N/mm2, elongation at break >=250%, and ageing properties is superior, good insulation preformance; The ocean wind-powered electricity generation Salt corrosion composite cable of the resistance to torsion manufacturing cost that electro-insulating rubber of the present invention is made is suitable with prior art cable, but this cable has sea water resistance salt air corrosion performance, sea water resistance moisture saturating machine and resistance to twisting property, and common cable does not then possess these performances.
As preferred version of the present invention, raw material components and the weight content of the described Salt corrosion rubber insulation of resistance to torsion are as follows, ethylene propylene diene rubber Keltan5508:8 part; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:5 part; Vulcanizing agent cumyl peroxide: 0.5 part; Co-curing agent triallylcyanurate: 0.3 part; Antiscorching agent N, a N '-penylene bismaleimides: 0.2 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.2 part; Age resistor 2 mercapto benzimidazole: 0.2 part; Silane coupler gamma-aminopropyl-triethoxy-silane: 0.2 part; Fire retardant hydration zinc borate: 2.1 parts; Fire retardant antimonous oxide: 1 part; Flame retardant filler aluminium hydroxide: 25 parts; Activator lead orthoplumbate: 0.8 part; Activator stearic acid: 0.5 part; Activator nano zine oxide: 1.5 parts; Plasticizer Sunpar2280 paraffin oil: 2 parts; Plasticizer chlorinated paraffin-52: 0.5 part; Reinforcing agent hydrated SiO 2: 1 part.
As preferred version of the present invention, raw material components and the weight content of the described Salt corrosion rubber insulation of resistance to torsion are as follows, ethylene propylene diene rubber Keltan5508:8 part; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:6 part; Vulcanizing agent cumyl peroxide: 0.6 part; Co-curing agent triallylcyanurate: 0.4 part; Antiscorching agent N, a N '-penylene bismaleimides: 0.3 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.3 part; Age resistor 2 mercapto benzimidazole: 0.3 part; Silane coupler gamma-aminopropyl-triethoxy-silane: 0.3 part; Fire retardant hydration zinc borate: 2.3 parts; Fire retardant antimonous oxide: 1.2 parts; Flame retardant filler aluminium hydroxide: 30 parts; Activator lead orthoplumbate: 1.0 parts; Activator stearic acid: 0.8 part; Activator nano zine oxide: 1.7 parts; Plasticizer Sunpar2280 paraffin oil: 2.5 parts; Plasticizer chlorinated paraffin-52: 0.8 part; Reinforcing agent hydrated SiO 2: 2 parts.
As preferred version of the present invention, raw material components and the weight content of the described Salt corrosion rubber insulation of resistance to torsion are as follows, ethylene propylene diene rubber Keltan5508:8 part; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:7 part; Vulcanizing agent cumyl peroxide: 0.7 part; Co-curing agent triallylcyanurate: 0.5 part; Antiscorching agent N, a N '-penylene bismaleimides: 0.4 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.4 part; Age resistor 2 mercapto benzimidazole: 0.4 part; Silane coupler gamma-aminopropyl-triethoxy-silane: 0.4 part; Fire retardant hydration zinc borate: 2.5 parts; Fire retardant antimonous oxide: 1.5 parts; Flame retardant filler aluminium hydroxide: 40 parts; Activator lead orthoplumbate: 1.2 parts; Activator stearic acid: 1 part; Activator nano zine oxide: 2 parts; Plasticizer Sunpar2280 paraffin oil: 5 parts; Plasticizer chlorinated paraffin-52: 1 part; Reinforcing agent hydrated SiO 2: 3 parts.
Another object of the present invention is, the manufacture method of a kind of ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion is provided, the cable manufacturing process of the method manufacture is simple, cost compared with low, external diameter is little, lightweight, soft pliable is bent, constructability is installed, and possesses resistance to torsion, sea water resistance salt air corrosion and sea water resistance wetness impregnation performance.
For realizing above object, the manufacture method of the ocean provided by the present invention wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, comprise the following steps successively: (1) power cable twisted copper conductors periphery extrudes power cable insulation layer and forms power cable insulation core, the many mutual stranded formation electric-cable cores of described power cable insulation core, (2) control cables twisted copper conductors periphery extrudes control cables insulating barrier formation control cables insulated wire cores, the many mutual stranded formation control cables cable cores of described control cables insulated wire cores, the wrapped control cables copper foil shielding layer in periphery of described control cables cable core, inwardly and inner side is provided with control cables drainage thread, described control cables drainage thread runs through control cables cable core overall length and together with abutting against with copper-clad surface for the copper-clad surface of described control cables copper foil shielding layer, (3) instrument cable twisted copper conductors periphery extrudes instrument cable insulating barrier formation instrument cable insulated wire cores, described instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, the right gap filling of described twisted pair wire has fire-retardant non-hygroscopic fiber to fill out core, each described twisted pair wire is to adopting different twisting pitch, many groups of described twisted pair wires are to mutual stranded formation instrument cable cable core, the periphery of described instrument cable cable core is surrounded with instrument cable copper foil shielding layer, the copper-clad surface of described instrument cable copper foil shielding layer is inside and inner side is provided with instrument cable drainage thread, described instrument cable drainage thread runs through instrument cable cable core overall length and together with abutting against with copper-clad surface, described power cable insulation layer, control cables insulating barrier and instrument cable insulating barrier all adopt the Salt corrosion rubber insulation of resistance to torsion, (4) the mutual stranded formation compound cable core of described electric-cable core, control cables cable core and instrument cable cable core, covering indulged by the periphery parcel low-intensity nonwoven fabrics of described compound cable core, and the periphery of indulging covering at described low-intensity nonwoven fabrics extrudes sheath, the preparation method of the described Salt corrosion rubber insulation of resistance to torsion is as follows: (1) prepares raw material, ethylene propylene diene rubber Keltan5508:8 part by following component and weight content, ethylene propylene diene rubber DutralTER4044:12 part, particle ethylene elastomers body rubber EP-20:5 ~ 7 part, vulcanizing agent cumyl peroxide: 0.5 ~ 0.7 part, co-curing agent triallylcyanurate: 0.3 ~ 0.5 part, antiscorching agent N, a N '-penylene bismaleimides: 0.2 ~ 0.4 part, age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.2 ~ 0.4 part, age resistor 2 mercapto benzimidazole: 0.2 ~ 0.4 part, silane coupler gamma-aminopropyl-triethoxy-silane: 0.2 ~ 0.4 part, fire retardant hydration zinc borate: 2.1 ~ 2.5 parts, fire retardant antimonous oxide: 1 ~ 1.5 part, flame retardant filler aluminium hydroxide: 25 ~ 40 parts, activator lead orthoplumbate: 0.8 ~ 1.2 part, activator stearic acid: 0.5 ~ 1 part, activator nano zine oxide: 1.5 ~ 2 parts, plasticizer Sunpar2280 paraffin oil: 2 ~ 5 parts, plasticizer chlorinated paraffin-52: 0.5 ~ 1 part, reinforcing agent hydrated SiO 2: 1 ~ 3 part, (2) first banbury temperature is risen to 160 ~ 180 DEG C, then ethylene propylene diene rubber Keltan5508 is added, ethylene propylene diene rubber DutralTER4044 and mixing 1.5 ~ 2 minutes of particle ethylene elastomers body rubber EP-20, add above-mentioned flame retardant filler aluminium hydroxide more successively, activator lead orthoplumbate, activator nano zine oxide, antiscorching agent N, a N '-penylene bismaleimides, reinforcing agent hydrated SiO 2, silane coupler gamma-aminopropyl-triethoxy-silane, plasticizer Sunpar2280 paraffin oil, plasticizer chlorinated paraffin-52, fire retardant hydration zinc borate, fire retardant antimonous oxide, activator stearic acid, age resistor 2, 2, 4-trimethyl-1, 2-dihyaroquinoline condensate and age resistor 2 mercapto benzimidazole, carry out discharging after mixing 7 ~ 8 minutes, dry in the air in the space of dried and clean and put more than 24 hours, sizing material being knocked down temperature is on the banbury of 80 ~ 100 DEG C mixing 2 ~ 3 minutes again, and in the end 30 seconds add vulcanizing agent cumyl peroxide and co-curing agent triallylcyanurate, three-roller open mill in mixing materials is carried out thin-pass, the roll spacing of three-roller open mill is 1.5 ~ 2mm, and after playing triangle bag and just wrapping each four times, slice is for subsequent use.
Relative to prior art, the present invention achieves following beneficial effect: the cable of method manufacture of the present invention adopts low-intensity nonwoven fabrics to indulge covering, the feature of vertical bag can only be that the nonwoven fabrics of one fixed width is divided into some sections, one section of parcel is connect along composite cable cable core axis direction one section, it is very little at the tension force of circumferencial direction that covering indulged by low-intensity nonwoven fabrics, be easy to low-intensity nonwoven fabrics to be indulged covering when extruding sheath and be pressed in composite cable insulated wire cores outer surface, namely low-intensity nonwoven fabrics indulge covering shape completely and the profile of composite cable insulated wire cores match, eliminate low-intensity nonwoven fabrics and indulge space between covering and composite cable insulated wire cores, flame continuous transmission is internally stoped under being convenient to burning condition, and the dipping resisting moisture can be strengthened, simultaneously low-intensity nonwoven fabrics is indulged covering and can be guaranteed adhesion between sheath and composite cable insulated wire cores, does not injure composite cable insulated wire cores when constructability process divests sheath.Ethylene propylene diene rubber Keltan5508 is mixing and expressing technique performance is good, and electrical insulation properties is excellent, but cost is high, and ethylene propylene diene rubber DutralTER4044 then has excellent expressing technique performance, and cost is low, and proportion is little; Particle ethylene elastomers body rubber EP-20 is the copolymer elastomer granulated rubber of a kind of modulated ethene and alpha-olefin, its mobility is excellent, density is only 0.903g/cm3, itself and other ethylene-propylene rubber has good compatibility, the feature having reduction epoxy glue Mooney viscosity, strengthen the intensity of elastomeric compound, increase cable insulating surface smoothness, improve extrusion flowability, improve extruded velocity; Three shares the electrical insulation properties that both ensure that electro-insulating rubber, ensure that the manufacturability of rubber, apparent, extruded velocity and cost efficiency simultaneously.Adopt anti-aging agent RD and antioxidant MB to share the heat resistance that can improve vulcanizate, strengthen cable operating temperature, improve ampacity, antioxidant MB has suppression copper conductor aging action simultaneously.Due to the direct coating conductor that insulate in the present invention, the vulcanizing agent and the promoter that use sulphur and sulfur-bearing need be avoided, because adopt the vulcanized rubber heat aging property of this type of vulcanizing agent very poor, and copper is corrosive, black copper sulfide is produced on copper surface, increase the resistance of copper conductor, reduce current carrying capacities.Adopt vulcanizing agent DCP to carry out sulfuration as main vulcanizing agent and can keep the bright and clean of conductor and purity for a long time, vulcanizing agent DCP decomposes produces free radical, seizes the hydrogen atom in ethylene-propylene rubber, causes cross-linking reaction; But because vulcanizing agent DCP is under acid and reducing substances affect, produces ionic and decompose, cause the degraded of ethylene-propylene rubber, the crosslinked of ethylene-propylene rubber and fracture are occurred simultaneously, reduce curing efficiency, the crosslink density of vulcanizate is low, stretching strength and tensile strength little; Simultaneously during alone vulcanizing agent DCP, its analyte has stink.Thus have employed vulcanizing agent DCP and co-curing agent TAC and use, co-curing agent TAC has two unsaturated active functional group groups, can fast and the radical reaction that decomposites of vulcanizing agent DCP, form constitutionally stable new free radical to continue to participate in cross-linking reaction, improve the utilance of vulcanizing agent DCP and the cross-linking efficiency of ethylene-propylene rubber, suppress ethylene-propylene rubber fracture to occur.The two shares the acidity impact overcoming reinforcing agent calcinated argil, ensure that cross-linking efficiency.The peroxide vulcanizing agents such as antiscorching agent HVA-2 and vulcanizing agent DCP also use the curability significantly improving sizing material, improve thermal endurance, reduce sizing material compression set rate, reduce amount of peroxide, prevent the incipient scorch of sizing material in the course of processing, help avoid the difficult problem that copper conductor pollutes blackout simultaneously.Employing aluminium hydroxide (hydrated alumina) not only can as fire retardant, the effect of filler can be played simultaneously, do not need additionally to add filler again, can reduce costs, it contains 3 hydrones, start to decompose at 250 DEG C, discharge hydrone and absorb heat and reduce environment temperature, the steam discharged serves again the effect of combustable gas concentration in dilution gas phase, the carbide of the alundum (Al2O3) generated and the polymer surfaces of burning combines, form diaphragm, cut off the intrusion of heat energy and oxygen, served fire retardation; Hydrated alumina has low smoke performance and reduces the effect of carbon monoxide generation simultaneously, and the gas of release is steam, completely to biological nontoxic, to hardware non-corrosiveness, and environment-protecting clean.But aluminium hydroxide uses very few being difficult to reach flame retardant effect, and use and too much can cause sizing material expressing technique hydraulic performance decline, sizing material hardens, and can feed glue difficulty when extruding, insulation outward appearance is coarse.Aluminium hydroxide and antimonous oxide and hydration zinc borate is adopted to share, during burning and plasticizer chlorinated paraffin-52 generation chemical reaction generate antimony chloride, boron chloride and zinc chloride, disengage Bound moisture and produce glassy covering, play blanketing effect and dilution effect, reach flame retardant effect, good dispersion.Reinforcing agent adopts hydrated SiO 2 strengthening action excellent, effectively can increase the physical and mechanical properties of rubber, improve viscosity and the processing characteristics of ethylene-propylene rubber, but hydrated SiO 2 have water absorption, immersion electric property is poor, need carry out surface treatment overcome drawback by coupling agent.Silane resin acceptor kh-550 effectively can improve the water absorption of filler and reinforcing agent, ensure vulcanizate electrical insulation capability stable under boats and ships moist or water-immerged environment, its coupling spontaneous with hydrated SiO 2 on the one hand, its granularity of remarkable reduction, make it to be easier to fill evenly, improve the wettability of sizing material and filler and reinforcing agent, strengthen strengthening action; On the other hand in sulfidation, rubber one filler key is formed by unsaturated bond, hydrated SiO 2 is changed to hydrophobicity by hydrophily, play and increase curingprocess rate, the raising tensile strength of vulcanizate and the water-resistant stability of electrical insulation capability, eliminate vulcanizate produces pore effect when the sulfuration of jet chimney continuous high temperature.And silane resin acceptor kh-550 proportion is little, only has 0.94g/cm3, the weight alleviating cable can be conducive to.Plasticizer adopts Sunpar2280 paraffin oil and chlorinated paraffin-52 and uses, Sunpar2280 paraffin oil viscosity is high, and good with ethylene-propylene rubber intersolubility, volatility is little, the elasticity of ethylene-propylene rubber can be reduced, improve its viscosity and the harder shortcoming of the rubber that adopts aluminium hydroxide to cause as flame retardant filler; Plasticizer chlorinated paraffin-52 can promote the plasticity of sizing material on the one hand, improves production and processing technology, reacts on the other hand, realize the fire resistance of sizing material with fire retardant antimonous oxide and hydration zinc borate.Adding of nano zine oxide can accelerate curingprocess rate, improves state of cure (vulcanization); Lead orthoplumbate can improve acidproof, the water resistance of vulcanizate, and improves the heat aging property of rubber, is applicable to that the waterproof of boats and ships to cable is soaked into, Long Term Contact water environment and heat-proof aging increase ampacity and requirement in useful life.Stearic acid then possesses the effect of activator and softening plasticizer simultaneously, promotes the performance of nano zine oxide activity, makes the dispersiveness of nano zine oxide in sizing material better, evenly; But lead orthoplumbate easily makes rubber produce getting up early sulfuration, adding of stearic acid and nano zine oxide, the incipient scorch tendency of sizing material can be reduced, increase thermal stability.Electro-insulating rubber tensile strength of the present invention is greater than 5.3N/mm2, elongation at break >=250%, and ageing properties is superior, good insulation preformance; The ocean wind-powered electricity generation Salt corrosion composite cable of the resistance to torsion manufacturing cost that electro-insulating rubber of the present invention is made is suitable with prior art cable, but this cable has sea water resistance salt air corrosion performance, sea water resistance moisture saturating machine and resistance to twisting property, and common cable does not then possess these performances.
As preferred version of the present invention, when described electro-insulating rubber is extruded, rubber extruding machine adopts cold feeding manner, the draw ratio of rubber extruding machine screw rod is (15 ~ 20): 1, body temperature is 55 DEG C ~ 65 DEG C, head temperature 90 DEG C ~ 100 DEG C, mold temperature is 120 DEG C ~ 130 DEG C, and rubber extruding machine cooled screw mode is water cooling, it is 1:(1 ~ 1.2 that the core rod of extrusion die holds line length with the ratio extruding external diameter), the length of die sleeve sizing section is 2 ~ 4mm.
As preferred version of the present invention, the thickness that covering indulged by described low-intensity nonwoven fabrics is 0.05 ~ 0.1mm, overlap vertical bag successively along composite cable cable core axis direction, the width that covering indulged by every section of described low-intensity nonwoven fabrics is 3.5 ~ 3.8 times of composite cable cable core diameter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ocean of the present invention wind-powered electricity generation Salt corrosion composite cable of resistance to torsion.
In figure: 1. power cable insulation core; 1a. power cable twisted copper conductors; 1b. power cable insulation layer; 2-1. control cables insulated wire cores; 2-1a. control cables twisted copper conductors; 2-1b. control cables insulating barrier; 2-2. control cables copper foil shielding layer; 2-2a. control cables drainage thread; 3-1. instrument cable insulated wire cores; 3-1a. instrument cable twisted copper conductors; 3-1b. instrument cable insulating barrier; Core filled out by the fire-retardant non-hygroscopic fiber of 3-2.; 3-3. instrument cable copper foil shielding layer; 3-3a. instrument cable drainage thread; 4. covering indulged by low-intensity nonwoven fabrics; 5. sheath.
Embodiment
Embodiment one
As shown in Figure 1, the ocean of the present invention wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, comprise the following steps successively: (1) power cable twisted copper conductors 1a periphery extrudes power cable insulation layer 1b and forms power cable insulation core 1, the many mutual stranded formation electric-cable cores of power cable insulation core 1, (2) control cables twisted copper conductors 2-1a periphery extrudes control cables insulating barrier 2-1b formation control cables insulated wire cores 2-1, the many mutual stranded formation control cables cable cores of control cables insulated wire cores 2-1, the periphery wrapped control cables copper foil shielding layer 2-2 of control cables cable core, inwardly and inner side is provided with control cables drainage thread 2-2a, control cables drainage thread 2-2a runs through control cables cable core overall length and together with abutting against with copper-clad surface for the copper-clad surface of control cables copper foil shielding layer 2-2, (3) instrument cable twisted copper conductors 3-1a periphery extrudes instrument cable insulating barrier 3-1b formation instrument cable insulated wire cores 3-1, instrument cable insulated wire cores 3-1 is stranded formation twisted pair wire pair between two, the right gap filling of twisted pair wire has fire-retardant non-hygroscopic fiber to fill out core 3-2, each twisted pair wire is to adopting different twisting pitch, many groups twisted pair wire is to mutual stranded formation instrument cable cable core, the periphery of instrument cable cable core is surrounded with instrument cable copper foil shielding layer 3-3, the copper-clad surface of instrument cable copper foil shielding layer 3-3 is inside and inner side is provided with instrument cable drainage thread 3-3a, instrument cable drainage thread 3-3a runs through instrument cable cable core overall length and together with abutting against with copper-clad surface, power cable insulation layer 1b, control cables insulating barrier 2-1b and instrument cable insulating barrier 3-1b all adopt the Salt corrosion rubber insulation of resistance to torsion, (4) the mutual stranded formation compound cable core of electric-cable core, control cables cable core and instrument cable cable core, covering 4 indulged by the periphery parcel low-intensity nonwoven fabrics of compound cable core, and the periphery of indulging covering 4 at low-intensity nonwoven fabrics extrudes sheath 5.The thickness that covering 4 indulged by low-intensity nonwoven fabrics is 0.05mm, overlaps vertical bag successively along composite cable cable core axis direction, and the width that covering indulged by every section of low-intensity nonwoven fabrics is 3.5 times of composite cable cable core diameter.Sheath 5 adopts oxygen index to be not less than the flexibility high flame retardant protective cover material of 32.
Wherein, the preparation process of the Salt corrosion rubber insulation of resistance to torsion electro-insulating rubber used is as follows: (1) prepares raw material, ethylene propylene diene rubber Keltan5508:8 part by following component and weight content; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:5 part; Vulcanizing agent cumyl peroxide (vulcanizing agent DCP): 0.5 part; Co-curing agent triallylcyanurate (co-curing agent TAC): 0.3 part; Antiscorching agent N, N '-penylene bismaleimides (antiscorching agent HVA-2): 0.2 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate (anti-aging agent RD): 0.2 part; Age resistor 2 mercapto benzimidazole (antioxidant MB): 0.2 part; Silane coupler gamma-aminopropyl-triethoxy-silane (silane resin acceptor kh-550): 0.2 part; Fire retardant hydration zinc borate: 2.1 parts; Fire retardant antimonous oxide: 1 part; Flame retardant filler aluminium hydroxide (Al
2o
33H
2o hydrated alumina): 25 parts; Activator lead orthoplumbate: 0.8 part; Activator stearic acid: 0.5 part; Activator nano zine oxide: 1.5 parts; Plasticizer Sunpar2280 paraffin oil: 2 parts; Plasticizer chlorinated paraffin-52: 0.5 part; Reinforcing agent hydrated SiO 2: 1 part.
(2) first banbury temperature is risen to 160 DEG C, then ethylene propylene diene rubber Keltan5508 is added, ethylene propylene diene rubber DutralTER4044 and mixing 1.5 minutes of particle ethylene elastomers body rubber EP-20, add above-mentioned flame retardant filler aluminium hydroxide more successively, activator lead orthoplumbate, activator nano zine oxide, antiscorching agent N, a N '-penylene bismaleimides, reinforcing agent hydrated SiO 2, silane coupler gamma-aminopropyl-triethoxy-silane, plasticizer Sunpar2280 paraffin oil, plasticizer chlorinated paraffin-52, fire retardant hydration zinc borate, fire retardant antimonous oxide, activator stearic acid, age resistor 2, 2, 4-trimethyl-1, 2-dihyaroquinoline condensate and age resistor 2 mercapto benzimidazole, carry out discharging after mixing 7 minutes, dry in the air in the space of dried and clean and put more than 24 hours, sizing material being knocked down temperature is on the banbury of 80 DEG C mixing 2 minutes again, and in the end 30 seconds add vulcanizing agent cumyl peroxide and co-curing agent triallylcyanurate, three-roller open mill in mixing materials is carried out thin-pass, the roll spacing of three-roller open mill is 1.5mm, and after playing triangle bag and just wrapping each four times, slice is for subsequent use.
When described electro-insulating rubber is extruded, rubber extruding machine adopts cold feeding manner, screw slenderness ratio is 15:1, body temperature is 55 DEG C, head temperature 90 DEG C, mold temperature is 120 DEG C, rubber extruding machine cooled screw mode is water cooling, and it is 1:1 that the core rod of extrusion die holds line length with the ratio extruding external diameter, and the length of die sleeve sizing section is 2mm.
Embodiment two
As shown in Figure 1, the ocean of the present invention wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, comprise the following steps successively: (1) power cable twisted copper conductors 1a periphery extrudes power cable insulation layer 1b and forms power cable insulation core 1, the many mutual stranded formation electric-cable cores of power cable insulation core 1, (2) control cables twisted copper conductors 2-1a periphery extrudes control cables insulating barrier 2-1b formation control cables insulated wire cores 2-1, the many mutual stranded formation control cables cable cores of control cables insulated wire cores 2-1, the periphery wrapped control cables copper foil shielding layer 2-2 of control cables cable core, inwardly and inner side is provided with control cables drainage thread 2-2a, control cables drainage thread 2-2a runs through control cables cable core overall length and together with abutting against with copper-clad surface for the copper-clad surface of control cables copper foil shielding layer 2-2, (3) instrument cable twisted copper conductors 3-1a periphery extrudes instrument cable insulating barrier 3-1b formation instrument cable insulated wire cores 3-1, instrument cable insulated wire cores 3-1 is stranded formation twisted pair wire pair between two, the right gap filling of twisted pair wire has fire-retardant non-hygroscopic fiber to fill out core 3-2, each twisted pair wire is to adopting different twisting pitch, many groups twisted pair wire is to mutual stranded formation instrument cable cable core, the periphery of instrument cable cable core is surrounded with instrument cable copper foil shielding layer 3-3, the copper-clad surface of instrument cable copper foil shielding layer 3-3 is inside and inner side is provided with instrument cable drainage thread 3-3a, instrument cable drainage thread 3-3a runs through instrument cable cable core overall length and together with abutting against with copper-clad surface, power cable insulation layer 1b, control cables insulating barrier 2-1b and instrument cable insulating barrier 3-1b all adopt the Salt corrosion rubber insulation of resistance to torsion, (4) the mutual stranded formation compound cable core of electric-cable core, control cables cable core and instrument cable cable core, covering 4 indulged by the periphery parcel low-intensity nonwoven fabrics of compound cable core, and the periphery of indulging covering 4 at low-intensity nonwoven fabrics extrudes sheath 5.The thickness that covering 4 indulged by low-intensity nonwoven fabrics is 0.08mm, overlaps vertical bag successively along composite cable cable core axis direction, and the width that covering indulged by every section of low-intensity nonwoven fabrics is 3.7 times of composite cable cable core diameter.Sheath 5 adopts oxygen index to be not less than the flexibility high flame retardant protective cover material of 32.
Wherein, the preparation process of the Salt corrosion rubber insulation of resistance to torsion electro-insulating rubber used is as follows: (1) prepares raw material, ethylene propylene diene rubber Keltan5508:8 part by following component and weight content; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:6 part; Vulcanizing agent cumyl peroxide: 0.6 part; Co-curing agent triallylcyanurate: 0.4 part; Antiscorching agent N, a N '-penylene bismaleimides: 0.3 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.3 part; Age resistor 2 mercapto benzimidazole: 0.3 part; Silane coupler gamma-aminopropyl-triethoxy-silane: 0.3 part; Fire retardant hydration zinc borate: 2.3 parts; Fire retardant antimonous oxide: 1.2 parts; Flame retardant filler aluminium hydroxide: 30 parts; Activator lead orthoplumbate: 1.0 parts; Activator stearic acid: 0.8 part; Activator nano zine oxide: 1.7 parts; Plasticizer Sunpar2280 paraffin oil: 2.5 parts; Plasticizer chlorinated paraffin-52: 0.8 part; Reinforcing agent hydrated SiO 2: 2 parts.
(2) first banbury temperature is risen to 170 DEG C, then ethylene propylene diene rubber Keltan5508 is added, ethylene propylene diene rubber DutralTER4044 and mixing 1.8 minutes of particle ethylene elastomers body rubber EP-20, add above-mentioned flame retardant filler aluminium hydroxide more successively, activator lead orthoplumbate, activator nano zine oxide, antiscorching agent N, a N '-penylene bismaleimides, reinforcing agent hydrated SiO 2, silane coupler gamma-aminopropyl-triethoxy-silane, plasticizer Sunpar2280 paraffin oil, plasticizer chlorinated paraffin-52, fire retardant hydration zinc borate, fire retardant antimonous oxide, activator stearic acid, age resistor 2, 2, 4-trimethyl-1, 2-dihyaroquinoline condensate and age resistor 2 mercapto benzimidazole, carry out discharging after mixing 7.5 minutes, dry in the air in the space of dried and clean and put more than 24 hours, sizing material being knocked down temperature is on the banbury of 90 DEG C mixing 2.5 minutes again, and in the end 30 seconds add vulcanizing agent cumyl peroxide and co-curing agent triallylcyanurate, three-roller open mill in mixing materials is carried out thin-pass, the roll spacing of three-roller open mill is 1.8mm, and after playing triangle bag and just wrapping each four times, slice is for subsequent use.
When described electro-insulating rubber is extruded, rubber extruding machine adopts cold feeding manner, screw slenderness ratio is 18:1, body temperature is 60 DEG C, head temperature 95 DEG C, mold temperature is 125 DEG C, rubber extruding machine cooled screw mode is water cooling, and it is 1:1.1 that the core rod of extrusion die holds line length with the ratio extruding external diameter, and the length of die sleeve sizing section is 3mm.
Embodiment three
As shown in Figure 1, the ocean of the present invention wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, comprise the following steps successively: (1) power cable twisted copper conductors 1a periphery extrudes power cable insulation layer 1b and forms power cable insulation core 1, the many mutual stranded formation electric-cable cores of power cable insulation core 1, (2) control cables twisted copper conductors 2-1a periphery extrudes control cables insulating barrier 2-1b formation control cables insulated wire cores 2-1, the many mutual stranded formation control cables cable cores of control cables insulated wire cores 2-1, the periphery wrapped control cables copper foil shielding layer 2-2 of control cables cable core, inwardly and inner side is provided with control cables drainage thread 2-2a, control cables drainage thread 2-2a runs through control cables cable core overall length and together with abutting against with copper-clad surface for the copper-clad surface of control cables copper foil shielding layer 2-2, (3) instrument cable twisted copper conductors 3-1a periphery extrudes instrument cable insulating barrier 3-1b formation instrument cable insulated wire cores 3-1, instrument cable insulated wire cores 3-1 is stranded formation twisted pair wire pair between two, the right gap filling of twisted pair wire has fire-retardant non-hygroscopic fiber to fill out core 3-2, each twisted pair wire is to adopting different twisting pitch, many groups twisted pair wire is to mutual stranded formation instrument cable cable core, the periphery of instrument cable cable core is surrounded with instrument cable copper foil shielding layer 3-3, the copper-clad surface of instrument cable copper foil shielding layer 3-3 is inside and inner side is provided with instrument cable drainage thread 3-3a, instrument cable drainage thread 3-3a runs through instrument cable cable core overall length and together with abutting against with copper-clad surface, power cable insulation layer 1b, control cables insulating barrier 2-1b and instrument cable insulating barrier 3-1b all adopt the Salt corrosion rubber insulation of resistance to torsion, (4) the mutual stranded formation compound cable core of electric-cable core, control cables cable core and instrument cable cable core, covering 4 indulged by the periphery parcel low-intensity nonwoven fabrics of compound cable core, and the periphery of indulging covering 4 at low-intensity nonwoven fabrics extrudes sheath 5.The thickness that covering 4 indulged by low-intensity nonwoven fabrics is 0.1mm, overlaps vertical bag successively along composite cable cable core axis direction, and the width that covering indulged by every section of low-intensity nonwoven fabrics is 3.8 times of composite cable cable core diameter.Sheath 5 adopts oxygen index to be not less than the flexibility high flame retardant protective cover material of 32.
Wherein, the preparation process of the Salt corrosion rubber insulation of resistance to torsion electro-insulating rubber used is as follows: (1) prepares raw material, ethylene propylene diene rubber Keltan5508:8 part by following component and weight content; Ethylene propylene diene rubber DutralTER4044:12 part; Particle ethylene elastomers body rubber EP-20:7 part; Vulcanizing agent cumyl peroxide: 0.7 part; Co-curing agent triallylcyanurate: 0.5 part; Antiscorching agent N, a N '-penylene bismaleimides: 0.4 part; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.4 part; Age resistor 2 mercapto benzimidazole: 0.4 part; Silane coupler gamma-aminopropyl-triethoxy-silane: 0.4 part; Fire retardant hydration zinc borate: 2.5 parts; Fire retardant antimonous oxide: 1.5 parts; Flame retardant filler aluminium hydroxide: 40 parts; Activator lead orthoplumbate: 1.2 parts; Activator stearic acid: 1 part; Activator nano zine oxide: 2 parts; Plasticizer Sunpar2280 paraffin oil: 5 parts; Plasticizer chlorinated paraffin-52: 1 part; Reinforcing agent hydrated SiO 2: 3 parts.
(2) first banbury temperature is risen to 180 DEG C, then ethylene propylene diene rubber Keltan5508 is added, ethylene propylene diene rubber DutralTER4044 and mixing 2 minutes of particle ethylene elastomers body rubber EP-20, add above-mentioned flame retardant filler aluminium hydroxide more successively, activator lead orthoplumbate, activator nano zine oxide, antiscorching agent N, a N '-penylene bismaleimides, reinforcing agent hydrated SiO 2, silane coupler gamma-aminopropyl-triethoxy-silane, plasticizer Sunpar2280 paraffin oil, plasticizer chlorinated paraffin-52, fire retardant hydration zinc borate, fire retardant antimonous oxide, activator stearic acid, age resistor 2, 2, 4-trimethyl-1, 2-dihyaroquinoline condensate and age resistor 2 mercapto benzimidazole, carry out discharging after mixing 8 minutes, dry in the air in the space of dried and clean and put more than 24 hours, sizing material being knocked down temperature is on the banbury of 100 DEG C mixing 3 minutes again, and in the end 30 seconds add vulcanizing agent cumyl peroxide and co-curing agent triallylcyanurate, three-roller open mill in mixing materials is carried out thin-pass, the roll spacing of three-roller open mill is 2mm, and after playing triangle bag and just wrapping each four times, slice is for subsequent use.
When described electro-insulating rubber is extruded, rubber extruding machine adopts cold feeding manner, screw slenderness ratio is 20:1, body temperature is 65 DEG C, head temperature 100 DEG C, mold temperature is 130 DEG C, rubber extruding machine cooled screw mode is water cooling, and it is 1:1.2 that the core rod of extrusion die holds line length with the ratio extruding external diameter, and the length of die sleeve sizing section is 4mm.
To the aging front measuring mechanical property result of electro-insulating rubber in embodiment one to embodiment three as table 1:
Table 1
To the measuring mechanical property result after electro-insulating rubber oven ageing in embodiment one to embodiment three as table 2, aging condition: temperature 135 ± 2 DEG C, time: 168h.
Table 2
To the measuring mechanical property result after electro-insulating rubber air bomb aging in embodiment one to embodiment three as table 3, aging condition: temperature 127 ± 1 DEG C, time 40h, pressure 56N/mm2.
Table 3
As shown in table 4 to insulation resistance (the when 20 DEG C) test result of electro-insulating rubber in embodiment one to embodiment three.
Table 4
| Unit | Standard-required | Embodiment one | Embodiment two | Embodiment three | |
| Insulation resistance (20 DEG C) | MΩ·km | ≥3670 | 11650 | 10200 | 12040 |
After immersing 50 DEG C of water to electro-insulating rubber in embodiment one to embodiment three, ac capacitor increment rate test result is as table 5.The numerical value recorded in table be respectively the 14th day with the difference of the 1st day, the 7th day.
Table 5
The test of sea water resistance salt air corrosion performance, sea water resistance moisture saturating machine and resistance to twisting property is carried out to the finished cable that electro-insulating rubber in embodiment one to embodiment three is made.
Finished cable sea water resistance salt air corrosion performance requires: three long finished cable samples for 1.1m to be placed in temperature be saliferous (NaCl) mass concentration of 30 ± 1 DEG C be 20% solution soak 40 days.Cable adopts U-shaped bending when soaking, sample two ends respectively have 30cm to surface; Soak and terminate the withstand voltage test of rear cable by AC7kV/5min; By cable winding at diameter be 9 times of sample of cable external diameters circular shaft on, require that insulating surface is without range estimation visible crack, and insulate in above process not from cable generation stripping situation.
Finished cable sea water resistance moisture saturating machine requires: cable being placed in temperature is that the water of 75 DEG C soaks the dielectric constant insulated afterwards for 1 day and is not more than 6, the ac capacitor gaining rate soaked between the 14th day end and the 1st day end is not more than 5, the ac capacitor gaining rate soaked between the 14th day end and the 7th day end is not more than 3, the stability factor of soaking after 14 is not more than 1, soaks insulation resistance constant after 84 days and requires to be not less than 3670M Ω Km.
The resistance to twisting property of finished cable requires: under-40 DEG C of low temperature, finished cable is according to reversing 360 ° clockwise, then nature is returned to, another mistake hour hands reverse identical angle, returning to nature subsequently is again one-period, regulation carries out the test in 11000 cycles, and reverse speed is 720 ° ~ 1080 °/min.The thermal cycling test carrying out 8 hours electrified regulation therebetween simultaneously and naturally cool for 16 hours, during energising, makes conductor temperature be stabilized in cable maximum operating temperature, carries out 14 thermal cycling tests altogether.Require after end that cable appearance does not chap, insulation resistance meets the requirement of IEC60092-351.
The sea water resistance salt air corrosion performance of the finished cable make electro-insulating rubber in embodiment one to embodiment three and prior art ethylene propylene rubber insulated cable, sea water resistance moisture saturating machine and resistance to twisting property are tested by above-mentioned requirements, and result of the test compares as table 6.
Table 6
In embodiment one to embodiment three, ethylene propylene diene rubber Keltan5508 selects the product of Dutch DSM N. V.; Ethylene propylene diene rubber DutralTER4044 selects the product of Italian ENI company; Particle ethylene elastomers body rubber EP-20 adopts the WanFlowTM particle ethylene elastomers body rubber EP-20 of the production of Shanghai Chi Cheng chemical industry Trade Co., Ltd.; Vulcanizing agent cumyl peroxide (vulcanizing agent DCP) can select Yantai Heng Nuo Chemical Industry Science Co., Ltd or Shanghai Fang Rui to reach Chemical Company's product; Co-curing agent triallylcyanurate (co-curing agent TAC) can select Yantai Heng Nuo Chemical Industry Science Co., Ltd or Shanghai Fang Rui to reach Chemical Company's product; Antiscorching agent N, N '-penylene bismaleimides (antiscorching agent HVA-2) can select the product of the bright Chemical Co., Ltd. of emerging Hua Da of Taizhou Huangyan East Sea Chemical Co., Ltd. or Changzhou; Age resistor 2 mercapto benzimidazole (antioxidant MB) can select Shanghai rubber chemicals Co., Ltd., Factory or Qingdao Te Nuo commerce and trade Co., Ltd product; Age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate (anti-aging agent RD) can select the product of Jiangsu Hai'an Petrochemical Plant or NanJing Youhao Chemical Auxiliary Agent Co., Ltd.; Silane coupler gamma-aminopropyl-triethoxy-silane (silane resin acceptor kh-550) can select the product of Nanjing Chang Hu Chemical Co., Ltd. or Jiangsu Chenguang Coincident Dose Co., Ltd.; Fire retardant hydration zinc borate can select the product of Shandong Bo Ao Industrial Co., Ltd.; Fire retardant antimonous oxide can select the product of Yiyang mayor Tang Ti industry Co., Ltd or star antimony industry Co., Ltd of Loudi, Hunan China; Flame retardant filler aluminium hydroxide (Al
2o
33H
2o hydrated alumina) product of Shijiazhuang Xin Yuan chemical industry Co., Ltd or Hong Taiji Industrial Co., Ltd. of Shenzhen can be selected; Activator lead orthoplumbate can select the product of Xinxiang Yang Yuan chemical industry Co., Ltd or Guangzhou Hao Hua Chemical Co., Ltd.; Activator stearic acid can select the product of Shanghai Xu Ya Industrial Co., Ltd. or Shanghai Hong Chang Chemical Co., Ltd.; The particle diameter of activator nano zine oxide, between 1-100 nanometer, can select the product of zincaluminite Chemical Co., Ltd. of Qinyang City or Zhuzhou Zhongle Chemical Industry Co., Ltd.; Plasticizer Sunpar2280 paraffin oil selects NATROCHEM company of the U.S. or HollyRefining & Marketing – Tulsa, the product of LLC company; Plasticizer chlorinated paraffin-52 can select the product of Shanghai Dong Lei petrochemical industry Co., Ltd or Jiangxi, Lvshunkou District, Daliang City chemical engineering industry parent company.Reinforcing agent hydrated SiO 2 can select the product of Guangzhou Science and Technology Ji Sheng Industrial Co or Taicang Xin Hong Chemical Co., Ltd..The present invention is raw materials used, except above producer, all can select other satisfactory like product on market.
The foregoing is only the better possible embodiments of the present invention, non-ly therefore limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of application claims.
Claims (3)
1. the manufacture method of the ocean wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, it is characterized in that, comprise the following steps successively: (1) power cable twisted copper conductors periphery extrudes power cable insulation layer and forms power cable insulation core, the many mutual stranded formation electric-cable cores of described power cable insulation core, (2) control cables twisted copper conductors periphery extrudes control cables insulating barrier formation control cables insulated wire cores, the many mutual stranded formation control cables cable cores of described control cables insulated wire cores, the wrapped control cables copper foil shielding layer in periphery of described control cables cable core, inwardly and inner side is provided with control cables drainage thread, described control cables drainage thread runs through control cables cable core overall length and together with abutting against with copper-clad surface for the copper-clad surface of described control cables copper foil shielding layer, (3) instrument cable twisted copper conductors periphery extrudes instrument cable insulating barrier formation instrument cable insulated wire cores, described instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, the right gap filling of described twisted pair wire has fire-retardant non-hygroscopic fiber to fill out core, each described twisted pair wire is to adopting different twisting pitch, many groups of described twisted pair wires are to mutual stranded formation instrument cable cable core, the periphery of described instrument cable cable core is surrounded with instrument cable copper foil shielding layer, the copper-clad surface of described instrument cable copper foil shielding layer is inside and inner side is provided with instrument cable drainage thread, described instrument cable drainage thread runs through instrument cable cable core overall length and together with abutting against with copper-clad surface, described power cable insulation layer, control cables insulating barrier and instrument cable insulating barrier all adopt the Salt corrosion rubber insulation of resistance to torsion, (4) the mutual stranded formation compound cable core of described electric-cable core, control cables cable core and instrument cable cable core, covering indulged by the periphery parcel low-intensity nonwoven fabrics of described compound cable core, and the periphery of indulging covering at described low-intensity nonwoven fabrics extrudes sheath, the preparation method of the described Salt corrosion rubber insulation of resistance to torsion is as follows: (1) prepares raw material, ethylene propylene diene rubber Keltan5508:8 part by following component and weight content, ethylene propylene diene rubber DutralTER4044:12 part, particle ethylene elastomers body rubber EP-20:5 ~ 7 part, vulcanizing agent cumyl peroxide: 0.5 ~ 0.7 part, co-curing agent triallylcyanurate: 0.3 ~ 0.5 part, antiscorching agent N, a N '-penylene bismaleimides: 0.2 ~ 0.4 part, age resistor 2,2,4-trimethyl-1,2-dihyaroquinoline condensate: 0.2 ~ 0.4 part, age resistor 2 mercapto benzimidazole: 0.2 ~ 0.4 part, silane coupler gamma-aminopropyl-triethoxy-silane: 0.2 ~ 0.4 part, fire retardant hydration zinc borate: 2.1 ~ 2.5 parts, fire retardant antimonous oxide: 1 ~ 1.5 part, flame retardant filler aluminium hydroxide: 25 ~ 40 parts, activator lead orthoplumbate: 0.8 ~ 1.2 part, activator stearic acid: 0.5 ~ 1 part, activator nano zine oxide: 1.5 ~ 2 parts, plasticizer Sunpar2280 paraffin oil: 2 ~ 5 parts, plasticizer chlorinated paraffin-52: 0.5 ~ 1 part, reinforcing agent hydrated SiO 2: 1 ~ 3 part, (2) first banbury temperature is risen to 160 ~ 180 DEG C, then ethylene propylene diene rubber Keltan5508 is added, ethylene propylene diene rubber DutralTER4044 and mixing 1.5 ~ 2 minutes of particle ethylene elastomers body rubber EP-20, add above-mentioned flame retardant filler aluminium hydroxide more successively, activator lead orthoplumbate, activator nano zine oxide, antiscorching agent N, a N '-penylene bismaleimides, reinforcing agent hydrated SiO 2, silane coupler gamma-aminopropyl-triethoxy-silane, plasticizer Sunpar2280 paraffin oil, plasticizer chlorinated paraffin-52, fire retardant hydration zinc borate, fire retardant antimonous oxide, activator stearic acid, age resistor 2, 2, 4-trimethyl-1, 2-dihyaroquinoline condensate and age resistor 2 mercapto benzimidazole, carry out discharging after mixing 7 ~ 8 minutes, dry in the air in the space of dried and clean and put more than 24 hours, sizing material being knocked down temperature is on the banbury of 80 ~ 100 DEG C mixing 2 ~ 3 minutes again, and in the end 30 seconds add vulcanizing agent cumyl peroxide and co-curing agent triallylcyanurate, three-roller open mill in mixing materials is carried out thin-pass, the roll spacing of three-roller open mill is 1.5 ~ 2mm, and after playing triangle bag and just wrapping each four times, slice is for subsequent use.
2. the manufacture method of the ocean according to claim 1 wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, it is characterized in that, when electro-insulating rubber is extruded, rubber extruding machine adopts cold feeding manner, the draw ratio of rubber extruding machine screw rod is (15 ~ 20): 1, body temperature is 55 DEG C ~ 65 DEG C, head temperature 90 DEG C ~ 100 DEG C, mold temperature is 120 DEG C ~ 130 DEG C, rubber extruding machine cooled screw mode is water cooling, it is 1:(1 ~ 1.2 that the core rod of extrusion die holds line length with the ratio extruding external diameter), the length of die sleeve sizing section is 2 ~ 4mm.
3. the manufacture method of the ocean according to claim 1 wind-powered electricity generation Salt corrosion composite cable of resistance to torsion, it is characterized in that, the thickness that covering indulged by described low-intensity nonwoven fabrics is 0.05 ~ 0.1mm, overlap vertical bag successively along composite cable cable core axis direction, the width that covering indulged by every section of described low-intensity nonwoven fabrics is 3.5 ~ 3.8 times of composite cable cable core diameter.
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Application publication date: 20130731 Assignee: Jiaxing Zhixin Precision Parts Co.,Ltd. Assignor: Zhejiang Huawei Equipment Manufacturing Co.,Ltd. Contract record no.: X2023980053719 Denomination of invention: Salt corrosion and torsion resistant composite cables and their manufacturing methods for marine wind power Granted publication date: 20151209 License type: Common License Record date: 20231222 |
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