CN102969043A - High-temperature-resistant soft double-shield instrument cable for maritime oil and gas engineering and manufacturing method thereof - Google Patents
High-temperature-resistant soft double-shield instrument cable for maritime oil and gas engineering and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to a high-temperature-resistant soft double-shield instrument cable for maritime oil and gas engineering and a manufacturing method thereof. The cable is characterized in that a chemical cross-linked polyolefin insulation layer is extruded at the periphery of a tin-plated annealed stranded copper conductor to form a power cable insulation wire core; every two insulation wire cores are stranded, and then wrapped with a wire core copper foil polyester composite tape shielding layer and a wire core polyester tape, and then the insulation wire cores are stranded to form a cable core; and the periphery of the cable core is successively provided with an extruded cable core copper foil polyester tape and cable core polyester tape, an extruded inner sheath, a clad copper alloy wire weaving armor layer, a wrapped water-proof wrapping tape, and an extruded outer sheath. The insulation layer comprises the following raw material components: 12 parts of ethylene/vinyl acetate copolymer, 6 parts of high density polyethylene, 2 parts of ethylene-methacrylic acid copolymer, 0.5-1 part of cross-linking agent DCP (Dicumyl Peroxide), 0.4-0.9 part of antioxidant 1076, 0.2-0.4 part of antioxidant DNP, 0.2-1 part of lubricant stearic acid, 25-30 parts of aluminum hydroxide, 0.6-1 part of red phosphorus; and 0.05-0.1 part of ultraviolet ray absorber UV-326. The insulation layer of the cable is excellent in high-temperature resistance and ageing resistance, and long in service life.
Description
Technical field
The present invention relates to a kind of instrument cable, particularly a kind of offshore oil and gas engineering heat-resisting soft double shield instrument cable.The invention still further relates to a kind of offshore oil and gas engineering manufacture method of heat-resisting soft double shield instrument cable.
Background technology
Exploitation along with the offshore oil and gas energy; the oil gas engineering is more and more with cable; performance requirement is more and more higher; especially insulation and the metal armouring as cable weight main composition part need to be reduced to greatest extent, needs simultaneously to satisfy mechanical protection, cable to cable and possesses that the many moisture of the oil gas of adaptation engineering-environment corrode infiltration and cable can the requirement in useful life of safe operation about 25 years.Almost all adopt without the inner sleeve cable or adopt the zinc-coated wire braiding to be insulation and sheath as armouring, cross-linking radiation polyolefin in order to alleviate cable weight in the prior art, but nonetheless with regard to the supporting angle of integrated engineering, the weight that cable alleviates also is no more than 10%.Prior art adopts the cross-linking radiation polyolefin as insulation, and its thermal endurance class is up to 150 ℃, far can not satisfy the crosslinked demand of sheath, and the anti-water permeation performance of irradiation crosslinked polyolefin insulating and sheath is very poor, can't satisfy the Long Term Contact with moisture.
Publication number is that the Chinese patent of CN 201758046 U discloses a kind of crosslinked control cables, it adopts crosslinked polyetylene insulated, conductor sets gradually internal shield, insulating barrier and outer shielding layer outward, at external lapping layer and the oversheath of setting gradually of three phase isolated core, space between three phase isolated core and the lapping layer is provided with filler, also be provided with the copper strip shielding layer on insulated wire cores, this copper strip shielding layer is wrapped on the outer shielding layer surface.This patent has adopted crosslinked polyetylene insulated, although simple in structure, with low cost, it can not satisfy the requirement of high temperature resistant, the large ampacity of offshore oil and gas engineering cable, the erosion of many moisture.
Publication number is that the Chinese invention patent of CN101565527A discloses a kind of 125 DEG C irradiated crosslinking, although it has satisfied 125 ℃ high temperature heat-resistant ageing properties requirement, but it only can be used for cable cover(ing), insulation property are relatively poor, are not suitable as insulating material.
Publication number is that the Chinese invention patent of CN102617923A discloses a kind of irradiated crosslinking low-smoke and halogen-free high flame retardant polyolefin insulation material, its heat-proof aging only is 135 ℃, according to correlation standard, this material only can bear 90 ℃ of long-term maximum operating temperatures, can't satisfy offshore oil and gas engineering cable high-temperature operation environmental requirement.
Summary of the invention
Primary and foremost purpose of the present invention is, overcomes problems of the prior art, and a kind of offshore oil and gas engineering heat-resisting soft double shield instrument cable is provided, and its insulating barrier is high temperature resistant, ageing-resistant performance is excellent, long service life.
For realizing above purpose, a kind of offshore oil and gas engineering provided by the present invention heat-resisting soft double shield instrument cable, 0.35 being extruded with the chemical crosslinking polyolefin insulation layer, the zinc-plated annealing twisted copper conductors periphery of ~ 2.5mm2 consists of insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each described twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; Every group of right periphery of described twisted pair wire be surrounded with core Copper Foil polyester composite band screen and copper-clad surface inside, the inboard of described core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of core, and the zinc-plated stranded copper wire drainage thread of described core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; Each described core Copper Foil polyester composite band screen periphery is surrounded with the core polyester belt and consists of the pair twist group; All pair twist groups are with 16 ~ 24 times the stranded formation cable core of stranded lay ratio dextrad, the periphery of described cable core be surrounded with cable core Copper Foil polyester composite band screen and copper-clad surface inside, the inboard of described cable core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of cable core, and the zinc-plated stranded copper wire drainage thread of described cable core runs through the cable core overall length and abuts against with copper-clad surface; The periphery of described cable core Copper Foil polyester composite band screen is surrounded with the cable core polyester belt, the periphery of described cable core polyester belt is extruded with inner sheath, the periphery of described inner sheath is coated with copper alloy silk braiding armour, the periphery of described copper alloy silk braiding armour is surrounded with the waterproof band, and the periphery of described waterproof band is extruded with oversheath.
With respect to prior art, the present invention has obtained following beneficial effect: this cable is extruded with the chemical crosslinking polyolefin insulation layer outside zinc-plated annealing twisted copper conductors, and is high temperature resistant, ageing-resistant performance is excellent, long service life; Copper alloy silk braiding armour both can be every magnetic, and the loss of avoiding the eddy current magnetic hysteresis to cause increases ampacity, mechanical strength is larger than copper again, cost is then cheap than copper, and has excellent anti-seawater corrosion performance, benefits for the long-term security operation of cable.
As preferred version of the present invention, raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, and raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5～1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4～0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2～0.4 part; Lubricant stearic acid: 0.2～1 part; Fire retardant aluminium hydroxide: 25～30 parts; Fire retardant red phosphorus: 0.6～1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05～0.1 part.It is that hydrated alumina is as fire retardant that chemical crosslinking polyolefin insulation layer of the present invention adopts aluminium hydroxide, it contains 3 hydrones, begin to decompose at 250 ℃, discharge hydrone and absorbing heat has reduced environment temperature, the steam that discharges has played again the effect of combustable gas concentration in the dilution gas phase, and the carbide combination of the alundum (Al2O3) of generation and the polymer surfaces of burning forms diaphragm, cut off the intrusion of heat energy and oxygen, played fire retardation; Aluminium hydroxide has low cigarette and reduces the effect that carbon monoxide occurs, environment-protecting clean simultaneously.Produce drippage when fire retardant red phosphorus can prevent polymer combustion, with aluminium hydroxide and with the charring layer that can form skeleton character when the polymer combustion on its surface, avoid the polymer melting drippage.Antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) the propionic acid octadecyl ester claims again antioxidant 1076, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD) claims again antioxidant DNP, antioxidant 1076 and antioxidant DNP odorless, tasteless, nontoxic, volatility is little, good thermal stability, have good anti-aging and nondiscolouring, with ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer good compatibility is arranged.The heat resistance of crosslinking agent cumyl peroxide is good, and cross-linking curve is steady, and the assurance of excellence is arranged for the heat resistance of polymer.High density polyethylene (HDPE) has good thermal endurance, chemical resistance and dielectric property, and intact compatible with ethylene/vinyl acetate copolymer and ethylene-methacrylic acid copolymer, and contain the acrylic acid groups of polarity in the ethylene-methacrylic acid copolymer, can greatly improve the intramolecular bond cohesion of insulating material, reduce the reactivity of eater, play purpose acidproof, alkaline-resisting, that high temperature heat-resistant is aging.Lubricant stearic acid can improve the process industrial art performance of Insulation Material, improve processing speed, can improve simultaneously the quality of Insulation Material, prevent that Insulation Material from adding the adhesion on man-hour and equipment or other contact material surfaces, it is good in roller and release property that Insulation Material in the course of processing is had, guarantee the Insulation Material any surface finish, the kinematic viscosity when reducing Insulation Material internal friction and melting prevents from crossing the thermal impact serviceability because internal friction causes Insulation Material; Higher because of its purity simultaneously, have facilitation for the insulation property of improving Insulation Material.Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole claims again ultraviolet absorbent uv-326, and it is little to have volatility, and heat-resisting advantage has positive role for the high-temperature resistant grade of Insulation Material.Its maximum amount of electro-insulating rubber of the present invention is decided working temperature and has been brought up to 125 ℃ from 90 ℃ of prior art, so that the rated current-carrying capacity of same specification conductor has improved about 50%, namely in the situation of the same electric current of transmission, required cross-sectional area of conductor is long-pending can to reduce about 50%, adapted to the degradation with aging impact of the many high-temperature gases of oil gas engineering on insulating polymer, prolonged useful life, from with oil gas engineering design life-span matching degree, save oil gas engineer operation life-span midway to the replacing of cable, saved manpower, material resources and financial resources cost have satisfied the requirements of the times of the energy-saving and emission-reduction consumption reduction of present promotion.
As preferred version of the present invention, raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2 part; Lubricant stearic acid: 0.2 part; Fire retardant aluminium hydroxide: 25 parts; Fire retardant red phosphorus: 0.6 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05 part.
As preferred version of the present invention, raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.8 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.7 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.3 part; Lubricant stearic acid: 0.6 part; Fire retardant aluminium hydroxide: 28 parts; Fire retardant red phosphorus: 0.8 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.08 part.
As preferred version of the present invention, raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.4 part; Lubricant stearic acid: 1 part; Fire retardant aluminium hydroxide: 30 parts; Fire retardant red phosphorus: 1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.1 part.
As preferred version of the present invention, raw material components and the weight content of described copper alloy silk braiding armour are as follows, copper: iron: lead: zinc=(89.0 ~ 91.0): (0.03 ~ 0.05): (0.01 ~ 0.05): 10.This copper alloy silk braiding armour both can be every magnetic, and the loss of avoiding the eddy current magnetic hysteresis to cause increases ampacity, mechanical strength is larger than copper again, cost is then cheap than copper, and has excellent anti-seawater corrosion performance, benefits for the long-term security operation of cable.
Another object of the present invention is, the manufacture method of a kind of offshore oil and gas engineering with heat-resisting soft double shield instrument cable is provided, and its insulating barrier of the cable insulation that the method manufacturing forms is high temperature resistant, ageing-resistant performance is excellent, long service life.
For realizing above purpose, the offshore oil and gas engineering provided by the present invention manufacture method of heat-resisting soft double shield instrument cable, may further comprise the steps successively: the zinc-plated annealing twisted copper conductors periphery at 0.35 ~ 2.5mm2 extrudes chemical crosslinking polyolefin insulation layer formation insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each described twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; The right wrapped core Copper Foil of periphery polyester composite band screen and the copper-clad surface of every group of described twisted pair wire is inside, the inboard of described core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of core, and the zinc-plated stranded copper wire drainage thread of described core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; The wrapped core polyester belt of each described core Copper Foil polyester composite band screen periphery consists of the pair twist group; All pair twist groups are with 16 ~ 24 times the stranded formation cable core of stranded lay ratio dextrad, inside at the wrapped cable core Copper Foil of the periphery of described cable core polyester composite band screen and copper-clad surface, the inboard of described cable core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of cable core, and the zinc-plated stranded copper wire drainage thread of described cable core runs through the cable core overall length and abuts against with copper-clad surface; The wrapped cable core polyester belt of periphery at described cable core Copper Foil polyester composite band screen, periphery at described cable core polyester belt extrudes inner sheath, periphery coated copper B alloy wire braiding armour at described inner sheath, at the wrapped waterproof band of periphery of described copper alloy silk braiding armour, extrude oversheath in the periphery of described waterproof band; The preparation method of wherein said chemical crosslinking polyolefin insulation layer is as follows: (1) prepares raw material, ethylene/vinyl acetate copolymer: 12 parts by following component and weight content; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5～1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4～0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2～0.4 part; Lubricant stearic acid: 0.2～1 part; Fire retardant aluminium hydroxide: 25～30 parts; Fire retardant red phosphorus: 0.6～1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05～0.1 part; (2) the banbury temperature is risen to 130 ℃～150 ℃ first, add successively above-mentioned ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer, and plastify mixing even, then add antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD), ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole, fire retardant aluminium hydroxide and fire retardant red phosphorus, and mixing evenly rear blanking; The mixing roll temperature is risen to 60 ℃～70 ℃, above-mentioned compound is dropped in this mixing roll, it is mixing evenly to add lubricant stearic acid and crosslinking agent cumyl peroxide, then glue stuff compounding is moved to and beat triangle Bao Bingjing thin-pass on the three-roller open mill 4～6 times, the roller temperature control is at 60 ℃ ± 5 ℃, front roll temperature is higher 3～5 ℃ than rear roll temperature, cutting after thin-pass is finished, the cooling for subsequent use.
With respect to prior art, the present invention has obtained following beneficial effect: the cable that the method manufacturing forms, it is that hydrated alumina is as fire retardant that its chemical crosslinking polyolefin insulation layer adopts aluminium hydroxide, it contains 3 hydrones, begin to decompose at 250 ℃, discharge hydrone and absorbing heat has reduced environment temperature, the steam that discharges has played again the effect of combustable gas concentration in the dilution gas phase, the carbide combination of the alundum (Al2O3) that generates and the polymer surfaces of burning, form diaphragm, cut off the intrusion of heat energy and oxygen, played fire retardation; Aluminium hydroxide has low cigarette and reduces the effect that carbon monoxide occurs, environment-protecting clean simultaneously.Produce drippage when fire retardant red phosphorus can prevent polymer combustion, with aluminium hydroxide and with the charring layer that can form skeleton character when the polymer combustion on its surface, avoid the polymer melting drippage.Antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) the propionic acid octadecyl ester claims again antioxidant 1076, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD) claims again antioxidant DNP, antioxidant 1076 and antioxidant DNP odorless, tasteless, nontoxic, volatility is little, good thermal stability, have good anti-aging and nondiscolouring, with ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer good compatibility is arranged.The heat resistance of crosslinking agent cumyl peroxide is good, and cross-linking curve is steady, and the assurance of excellence is arranged for the heat resistance of polymer.High density polyethylene (HDPE) has good thermal endurance, chemical resistance and dielectric property, and intact compatible with ethylene/vinyl acetate copolymer and ethylene-methacrylic acid copolymer, and contain the acrylic acid groups of polarity in the ethylene-methacrylic acid copolymer, can greatly improve the intramolecular bond cohesion of insulating material, reduce the reactivity of eater, play purpose acidproof, alkaline-resisting, that high temperature heat-resistant is aging.Lubricant stearic acid can improve the process industrial art performance of Insulation Material, improve processing speed, can improve simultaneously the quality of Insulation Material, prevent that Insulation Material from adding the adhesion on man-hour and equipment or other contact material surfaces, it is good in roller and release property that Insulation Material in the course of processing is had, guarantee the Insulation Material any surface finish, the kinematic viscosity when reducing Insulation Material internal friction and melting prevents from crossing the thermal impact serviceability because internal friction causes Insulation Material; Higher because of its purity simultaneously, have facilitation for the insulation property of improving Insulation Material.Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole claims again ultraviolet absorbent uv-326, and it is little to have volatility, and heat-resisting advantage has positive role for the high-temperature resistant grade of Insulation Material.Its maximum amount of electro-insulating rubber of the present invention is decided working temperature and has been brought up to 125 ℃ from 90 ℃ of prior art, so that the rated current-carrying capacity of same specification conductor has improved about 50%, namely in the situation of the same electric current of transmission, required cross-sectional area of conductor is long-pending can to reduce about 50%, adapted to the degradation with aging impact of the many high-temperature gases of oil gas engineering on insulating polymer, prolonged useful life, from with oil gas engineering design life-span matching degree, save oil gas engineer operation life-span midway to the replacing of cable, saved manpower, material resources and financial resources cost have satisfied the requirements of the times of the energy-saving and emission-reduction consumption reduction of present promotion.
As preferred version of the present invention, raw material components and the weight content of described copper alloy silk braiding armour are as follows, copper: iron: lead: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10.This copper alloy silk braiding armour both can be every magnetic, and the loss of avoiding the eddy current magnetic hysteresis to cause increases ampacity, mechanical strength is larger than copper again, cost is then cheap than copper, and has excellent anti-seawater corrosion performance, benefits for the long-term security operation of cable.
As preferred version of the present invention, described chemical crosslinking polyolefin insulation layer adopts cold feeding manner to extrude at the twin-screw rubber extruding machine, the draw ratio of screw rod is (15～25): 1, fuselage one district's temperature of twin-screw rubber extruding machine is 110 ℃ ± 5 ℃, fuselage two district's temperature are 120 ℃ ± 5 ℃, head temperature is 130 ℃ ± 5 ℃, and mold temperature is 140 ℃ ± 5 ℃, and rubber extruding machine cooled screw mode is water cooling.
As preferred version of the present invention, described chemical crosslinking polyolefin insulation layer is when the twin-screw rubber extruding machine is extruded, and the line length of holding of core rod is 1:(1～1.2 with the external diameter ratio of extruding), the gap between core rod and the die sleeve is 1～1.5mm; Described electro-insulating rubber enters the cross-linking tube road after the head of described twin-screw rubber extruding machine is extruded, the temperature of described crosslinked pipeline is 160 ℃～180 ℃.
Description of drawings
Fig. 1 is the structural representation that offshore oil and gas engineering of the present invention is used heat-resisting soft double shield instrument cable.
Among the figure: 1. zinc-plated annealing twisted copper conductors; 2. chemical crosslinking polyolefin insulation layer; 3. core Copper Foil polyester composite band screen; 3a. the zinc-plated stranded copper wire drainage thread of core; 4. core polyester belt; 5. cable core Copper Foil polyester composite band screen; 5a. the zinc-plated stranded copper wire drainage thread of cable core; 6. cable core polyester belt; 7. inner sheath; 8. the copper alloy silk weaves armour; 9. waterproof band; 10. oversheath.
Embodiment
Embodiment one
As shown in Figure 1, offshore oil and gas engineering of the present invention heat-resisting soft double shield instrument cable, make according to the following steps: zinc-plated annealing twisted copper conductors 1 periphery at 0.35mm2 extrudes chemical crosslinking polyolefin insulation layer 2 formation insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; The right wrapped core Copper Foil of periphery polyester composite band screen 3 and the copper-clad surface of every group of twisted pair wire is inside, the inboard of core Copper Foil polyester composite band screen 3 is provided with the zinc-plated stranded copper wire drainage thread 3a of core, and the zinc-plated stranded copper wire drainage thread 3a of core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; The wrapped core polyester belt 4 of each core Copper Foil polyester composite band screen 3 periphery consists of the pair twist group; All pair twist groups are with 16 times the stranded formation cable core of stranded lay ratio dextrad, inside at the wrapped cable core Copper Foil of the periphery of cable core polyester composite band screen 5 and copper-clad surface, the inboard of cable core Copper Foil polyester composite band screen 5 is provided with the zinc-plated stranded copper wire drainage thread 5a of cable core, and the zinc-plated stranded copper wire drainage thread 5a of cable core runs through the cable core overall length and abuts against with copper-clad surface; The wrapped cable core polyester belt 6 of periphery at cable core Copper Foil polyester composite band screen 5, periphery at cable core polyester belt 6 extrudes inner sheath 7, periphery coated copper B alloy wire braiding armour 8 at inner sheath 7, at the wrapped waterproof band 9 of periphery of copper alloy silk braiding armour 8, extrude oversheath 10 in the periphery of waterproof band 9.
Wherein, the copper thickness of core or cable core Copper Foil polyester composite band screen is 0.018mm, and the thickness of the polyester of core or cable core Copper Foil polyester composite band screen is 0.023mm, and the wrapped rate of putting up is 30%.Stranded the forming of copper wire that the zinc-plated stranded copper wire drainage thread of core or cable core is 0.43mm by 7 diameters.The thickness of core or cable core polyester belt is 0.05mm, and the wrapped rate of putting up is 20%.
Wherein, the minimum thickness of chemical crosslinking polyolefin insulation layer 2 is not less than 90% of nominal value, and maximum ga(u)ge is not more than 110% of nominal value, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%.The preparation process of chemical crosslinking polyolefin insulation layer 2 used electro-insulating rubbers is as follows: (1) prepares raw material, ethylene/vinyl acetate copolymer: 12 parts by following component and weight content; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2 part; Lubricant stearic acid: 0.2 part; Fire retardant aluminium hydroxide: 25 parts; Fire retardant red phosphorus: 0.6 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05 part; (2) first the banbury temperature is risen to 130 ℃, add successively above-mentioned ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer, and plastify mixing even, then add antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD), ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole, fire retardant aluminium hydroxide and fire retardant red phosphorus, and mixing evenly rear blanking; The mixing roll temperature is risen to 60 ℃, above-mentioned compound is dropped in this mixing roll, it is mixing evenly to add lubricant stearic acid and crosslinking agent cumyl peroxide, then glue stuff compounding is moved to and beat triangle Bao Bingjing thin-pass on the three-roller open mill 4 times, the roller temperature control is at 55 ℃, front roll temperature is higher 3 ℃ than rear roll temperature, cutting after thin-pass is finished, the cooling for subsequent use; Chemical crosslinking polyolefin insulation layer 2 adopts cold feeding manner to extrude at the twin-screw rubber extruding machine, the draw ratio of screw rod is 15:1, fuselage one district's temperature of twin-screw rubber extruding machine is 105 ℃, fuselage two district's temperature are 115 ℃, head temperature is 125 ℃, mold temperature is 135 ℃, and rubber extruding machine cooled screw mode is water cooling.When chemical crosslinking polyolefin insulation layer 2 was extruded, the line length of holding of core rod was 1:1 with the external diameter ratio of extruding, and the gap between core rod and the die sleeve is 1mm; Electro-insulating rubber enters the cross-linking tube road after the head of twin-screw rubber extruding machine is extruded, the temperature of crosslinked pipeline is 160 ℃.
The stranded copper wire of the zinc-plated annealing of the 2nd class that zinc-plated annealing twisted copper conductors 1 adopts in IEC 60228 standards, zinc-plated employing plating mode substitutes traditional hot tinning mode, has avoided conductor zinc-plated inhomogeneous and tin thickness is inhomogeneous; List edge occurs easily and adhere to the drawback of conductive surface, avoid the conductor oxidative phenomena to occur after; Chemical reaction occurs with insulation in copper, reduces the risk of insulating barrier electric property and physical and mechanical properties.
Raw material components and the weight content of copper alloy silk braiding armour 8 are as follows, copper: iron: lead: zinc=89.0:0.03:0.01:10.The diameter of armouring braided wires is 0.31 mm, and tensile strength is 260MPa, and elongation at break is not less than 25%.
Embodiment two
Offshore oil and gas engineering of the present invention heat-resisting soft double shield instrument cable, make according to the following steps: zinc-plated annealing twisted copper conductors 1 periphery at 1.25mm2 extrudes chemical crosslinking polyolefin insulation layer 2 formation insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; The right wrapped core Copper Foil of periphery polyester composite band screen 3 and the copper-clad surface of every group of twisted pair wire is inside, the inboard of core Copper Foil polyester composite band screen 3 is provided with the zinc-plated stranded copper wire drainage thread 3a of core, and the zinc-plated stranded copper wire drainage thread 3a of core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; The wrapped core polyester belt 4 of each core Copper Foil polyester composite band screen 3 periphery consists of the pair twist group; All pair twist groups are with 20 times the stranded formation cable core of stranded lay ratio dextrad, inside at the wrapped cable core Copper Foil of the periphery of cable core polyester composite band screen 5 and copper-clad surface, the inboard of cable core Copper Foil polyester composite band screen 5 is provided with the zinc-plated stranded copper wire drainage thread 5a of cable core, and the zinc-plated stranded copper wire drainage thread 5a of cable core runs through the cable core overall length and abuts against with copper-clad surface; The wrapped cable core polyester belt 6 of periphery at cable core Copper Foil polyester composite band screen 5, periphery at cable core polyester belt 6 extrudes inner sheath 7, periphery coated copper B alloy wire braiding armour 8 at inner sheath 7, at the wrapped waterproof band 9 of periphery of copper alloy silk braiding armour 8, extrude oversheath 10 in the periphery of waterproof band 9.
Wherein, the copper thickness of core or cable core Copper Foil polyester composite band screen is 0.020mm, and the thickness of the polyester of core or cable core Copper Foil polyester composite band screen is 0.030mm, and the wrapped rate of putting up is 35%.Stranded the forming of copper wire that the zinc-plated stranded copper wire drainage thread of core or cable core is 0.43mm by 7 diameters.The thickness of core or cable core polyester belt is 0.06mm, and the wrapped rate of putting up is 22%.
Wherein, the minimum thickness of chemical crosslinking polyolefin insulation layer 2 is not less than 90% of nominal value, and maximum ga(u)ge is not more than 110% of nominal value, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%.The preparation process of chemical crosslinking polyolefin insulation layer 2 used electro-insulating rubbers is as follows: (1) prepares raw material, ethylene/vinyl acetate copolymer: 12 parts by following component and weight content; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.8 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.7 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.3 part; Lubricant stearic acid: 0.6 part; Fire retardant aluminium hydroxide: 28 parts; Fire retardant red phosphorus: 0.8 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.08 part; (2) first the banbury temperature is risen to 140 ℃, add successively above-mentioned ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer, and plastify mixing even, then add antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD), ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole, fire retardant aluminium hydroxide and fire retardant red phosphorus, and mixing evenly rear blanking; The mixing roll temperature is risen to 65 ℃, above-mentioned compound is dropped in this mixing roll, it is mixing evenly to add lubricant stearic acid and crosslinking agent cumyl peroxide, then glue stuff compounding is moved to and beat triangle Bao Bingjing thin-pass on the three-roller open mill 5 times, the roller temperature control is at 60 ℃, front roll temperature is higher 4 ℃ than rear roll temperature, cutting after thin-pass is finished, the cooling for subsequent use; Chemical crosslinking polyolefin insulation layer 2 adopts cold feeding manner to extrude at the twin-screw rubber extruding machine, the draw ratio of screw rod is 20:1, fuselage one district's temperature of twin-screw rubber extruding machine is 110 ℃, fuselage two district's temperature are 120 ℃, head temperature is 130 ℃, mold temperature is 140 ℃, and rubber extruding machine cooled screw mode is water cooling.When chemical crosslinking polyolefin insulation layer 2 was extruded, the line length of holding of core rod was 1:1.1 with the external diameter ratio of extruding, and the gap between core rod and the die sleeve is 1.2mm; Electro-insulating rubber enters the cross-linking tube road after the head of twin-screw rubber extruding machine is extruded, the temperature of crosslinked pipeline is 170 ℃.
The stranded copper wire of the zinc-plated annealing of the 2nd class that zinc-plated annealing twisted copper conductors 1 adopts in IEC 60228 standards, zinc-plated employing plating mode substitutes traditional hot tinning mode.
Raw material components and the weight content of copper alloy silk braiding armour 8 are as follows, copper: iron: lead: zinc=90:0.04:0.03:10.The diameter of armouring braided wires is 0.32mm, and tensile strength is 300MPa, and elongation at break is not less than 25%.
Embodiment three
Offshore oil and gas engineering of the present invention heat-resisting soft double shield instrument cable, make according to the following steps: zinc-plated annealing twisted copper conductors 1 periphery at 2.5mm2 extrudes chemical crosslinking polyolefin insulation layer 2 formation insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; The right wrapped core Copper Foil of periphery polyester composite band screen 3 and the copper-clad surface of every group of twisted pair wire is inside, the inboard of core Copper Foil polyester composite band screen 3 is provided with the zinc-plated stranded copper wire drainage thread 3a of core, and the zinc-plated stranded copper wire drainage thread 3a of core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; The wrapped core polyester belt 4 of each core Copper Foil polyester composite band screen 3 periphery consists of the pair twist group; All pair twist groups are with 24 times the stranded formation cable core of stranded lay ratio dextrad, inside at the wrapped cable core Copper Foil of the periphery of cable core polyester composite band screen 5 and copper-clad surface, the inboard of cable core Copper Foil polyester composite band screen 5 is provided with the zinc-plated stranded copper wire drainage thread 5a of cable core, and the zinc-plated stranded copper wire drainage thread 5a of cable core runs through the cable core overall length and abuts against with copper-clad surface; The wrapped cable core polyester belt 6 of periphery at cable core Copper Foil polyester composite band screen 5, periphery at cable core polyester belt 6 extrudes inner sheath 7, periphery coated copper B alloy wire braiding armour 8 at inner sheath 7, at the wrapped waterproof band 9 of periphery of copper alloy silk braiding armour 8, extrude oversheath 10 in the periphery of waterproof band 9.
Wherein, the copper thickness of core or cable core Copper Foil polyester composite band screen is 0.025mm, and the thickness of the polyester of core or cable core Copper Foil polyester composite band screen is 0.023mm, and the wrapped rate of putting up is 40%.Stranded the forming of copper wire that the zinc-plated stranded copper wire drainage thread of core or cable core is 0.43mm by 7 diameters.The thickness of core or cable core polyester belt is 0.07mm, and the wrapped rate of putting up is 25%.
Wherein, the minimum thickness of chemical crosslinking polyolefin insulation layer 2 is not less than 90% of nominal value, and maximum ga(u)ge is not more than 110% of nominal value, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%.The preparation process of chemical crosslinking polyolefin insulation layer 2 used electro-insulating rubbers is as follows: (1) prepares raw material, ethylene/vinyl acetate copolymer: 12 parts by following component and weight content; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.4 part; Lubricant stearic acid: 1 part; Fire retardant aluminium hydroxide: 30 parts; Fire retardant red phosphorus: 1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.1 part; (2) first the banbury temperature is risen to 150 ℃, add successively above-mentioned ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer, and plastify mixing even, then add antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD), ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole, fire retardant aluminium hydroxide and fire retardant red phosphorus, and mixing evenly rear blanking; The mixing roll temperature is risen to 70 ℃, above-mentioned compound is dropped in this mixing roll, it is mixing evenly to add lubricant stearic acid and crosslinking agent cumyl peroxide, then glue stuff compounding is moved to and beat triangle Bao Bingjing thin-pass on the three-roller open mill 6 times, the roller temperature control is at 65 ℃, front roll temperature is higher 5 ℃ than rear roll temperature, cutting after thin-pass is finished, the cooling for subsequent use; Chemical crosslinking polyolefin insulation layer 2 adopts cold feeding manner to extrude at the twin-screw rubber extruding machine, the draw ratio of screw rod is 25:1, fuselage one district's temperature of twin-screw rubber extruding machine is 115 ℃, fuselage two district's temperature are 125 ℃, head temperature is 135 ℃, mold temperature is 145 ℃, and rubber extruding machine cooled screw mode is water cooling.When chemical crosslinking polyolefin insulation layer 2 was extruded, the line length of holding of core rod was 1:1.2 with the external diameter ratio of extruding, and the gap between core rod and the die sleeve is 1.5mm; Electro-insulating rubber enters the cross-linking tube road after the head of twin-screw rubber extruding machine is extruded, the temperature of crosslinked pipeline is 180 ℃.
The stranded copper wire of the zinc-plated annealing of the 2nd class that zinc-plated annealing twisted copper conductors 1 adopts in IEC 60228 standards, zinc-plated employing plating mode substitutes traditional hot tinning mode.
Raw material components and the weight content of copper alloy silk braiding armour 8 are as follows, copper: iron: lead: zinc=91.0:0.05:0.05:10.The diameter of armouring braided wires is 0.33 mm, and tensile strength is 345MPa, and elongation at break is not less than 25%.
Among the embodiment one to embodiment three, the physical and mechanical properties of armouring braided wires is as follows: 1) toughness: be that an end of the sample of 50 ~ 70mm clips in the level of brave bench vice and between the parallel rounding opposite side, vertically stretches on the brave bench vice with length.Spring scale is connected on another free end of sample, grasping spring scale, to make the tension force that puts on sample be 1.0 ± 0.1 Ns.Keeping making sample alternately to the brave bench vice limit 90-degree bent of both direction perpendicular to rounding under the condition of this tension force, crooked speed is 45 ~ 50 beats/mins, and sample carries out 90 ° of bendings and the number of times that do not fracture is not less than 10 times.2) elasticity: be on the steel cylinder coupon of 6.4mm at diameter, be that an end of the braided wires sample of 254mm is fixed on the coupon with length, it is contacted with the curved surface of coupon and become plumbness with the coupon axis, the other end of sample is hung on the spring scale, with hand spring scale make sample on coupon around 4 circles, keeping sample tension force is 1.1 ± 0.1 Ns.At last sample Panasonic from the spring scale is come, and allow it be in circle around state, measurement is not more than 9.5mm to the coil outer diameter that forms on the coupon at the middle part.
It is as shown in table 1 that the insulating barrier of embodiment one to embodiment three is carried out insulation resistance (15.6 ℃ time) test result.
Table 1
| ? | Unit | Standard-required | Embodiment one | Embodiment two | Embodiment three |
| Insulation resistance (15.6 ℃) | MΩ·km | ≥3050 | 3870 | 4620 | 4080 |
Insulating barrier among the embodiment one to embodiment three is accelerated water absorption test, test dielectric constant and ac capacitor increment rate, result such as table 2 under water 75 ℃ of immersions.The numerical value that records in the table be respectively the 14th day with the 1st day, the 7th day difference.
Table 2
| ? | Unit | Standard-required | Embodiment one | Embodiment two | Embodiment three |
| Dielectric constant | ? | 6.0 | 3.4 | 2.8 | 3.1 |
| Electric capacity increment rate 14-1(d) | % | ≤3.0 | 0.4 | 0.5 | 0.6 |
| Electric capacity increment rate 14-7(d) | % | ≤1.5 | 0.1 | 0.1 | 0.2 |
| The electric capacity coefficient of stability after 14 days | % | ≤0.5 | 0.1 | 0.1 | 0.2 |
Measuring mechanical property result such as table 3 before the insulating barrier of embodiment one to embodiment three worn out:
Table 3
| ? | Unit | Standard-required | Embodiment one | Embodiment two | Embodiment three |
| Tensile strength | N/mm2 | ≥12.5 | 14.5 | 15.6 | 17.1 |
| Elongation at break | % | ≥250 | 310 | 380 | 295 |
The insulating barrier of embodiment one to embodiment three is carried out the measuring mechanical property of watertight aircase after aging, test result such as table 4, aging condition: 160 ± 1 ℃ of temperature, time: 168h.
Table 4
To test result such as the table 5 that the insulating barrier among the embodiment one to embodiment three carries out heat distortion test, experimental condition: 150 ℃ for the treatment of temperatures.
Table 5
Finished cable to embodiment one to embodiment three carries out ozone resistance test, result of the test such as table 6, experimental condition: 90 ± 2 ℃ of temperature, time 24h, ozone concentration 0.030%.
Table 6
| ? | Standard-required | Embodiment one | Embodiment two | Embodiment three |
| Ozone resistance test | The surface is without cracking | Without cracking | Without cracking | Without cracking |
Insulating barrier among the embodiment one to embodiment three is carried out VW-1 burning test result such as table 7.
Table 7
Insulating barrier heat among the embodiment one to embodiment three is carried out hot elongation test, result such as table 8, experimental condition: 175 ± 1 ℃ for the treatment of temperatures, duration 15 min, mechanical stress 20 N/cm2.
Table 8
Insulated wire cores to embodiment one to embodiment three is carried out ultraviolet-resistant aging result of the test such as table 9, experimental condition: employing 6kW hernia lamp shines and is equipped with the hydraulic pressure water spray of 0.12～0.15MPa, carried out cycle ultraviolet ray irradiation according to 120 minutes for one-period, wherein simultaneously water spray, illumination in 18 minutes, in addition independent illumination in 102 minutes, exposure irradiation is 1000 hours altogether, then sample was placed room temperature environment lower 20 hours, observe the sample outward appearance, outward appearance should be without be full of cracks, and carrying out tensile strength and elongation at break test, the retention rate of the two all should be not less than 75%.
Table 9
Finished cable to embodiment one to embodiment three is prevented the erosion test of seawater moisture, result of the test such as table 10, experimental condition: with three long be that 60 ± 1 ℃ saliferous (NaCl) mass concentration is that 20% solution soaked 10 days for the finished cable sample of 1.1m places temperature.Cable adopts U-shaped bending, sample two ends respectively to have 30cm to surface when soaking; Cable can be by the withstand voltage test of AC3.5kV/5min after soaking end; Be on the circular shaft of 9 times of sample of cable external diameters at diameter with cable winding, insulating surface range estimation visible crack.
Table 10
Finished cable to embodiment one to embodiment three carries out low temperature bend test, result of the test such as table 11, experimental condition: after 4h is placed in 40 ℃ of test chambers of finished cable Zai –, keeping this temperature is circular shaft winding 3 circles of 12 times the outside diameter of cable at diameter with sample, then be withdrawn into original position, then twine round about again 3 circles, stretching again.This program is proceeded 9 times, and total degree is reached 10 times.Range estimation visible crack after finishing, and carry out the withstand voltage test of AC3.5kV/5min.
Table 11
Finished cable to embodiment one to embodiment three carries out low-temperature impact test, result of the test such as table 12, experimental condition: be that the tested sample of cable of 0.13m places-35 ℃ of test chambers to place 4h with length, then sample is placed in the wooden plate that is of a size of 50mm*100mm successively, the impulse member that heavy 1.36kg is had a steel toe is that the height of 915mm freely falls from the test coupon height, the diameter of steel toe is 28.5mm, having diameter is the shock surface that is fillet of 25mm, when falling, the steel toe shock surface is the top of impact specimen vertically downward, and the insulating barrier of observing sample has or not cracking.
Table 12
The finished cable of embodiment one to embodiment three is carried out the test of oil resistant ageing properties, result of the test such as table 13, experimental condition: with three long be 100 ± 1 ℃ IRM902 deep fat immersion 4 days for the finished cable sample of 1.1m places temperature.Cable adopts U-shaped bending, sample two ends respectively to have 30cm to expose pasta when soaking.After soaking end cable is carried out the withstand voltage test of AC3.5kV/5min; Be on the circular shaft of 9 times of sample of cable external diameters at diameter with cable winding, whether range estimation visible crack and insulation peel off from conductor.
Table 13
Ethylene/vinyl acetate copolymer can be selected the product of the excessive source chemical industry Co., Ltd in Nanjing zero degree plastic material Co., Ltd or Shanghai referred to as EVA.
High density polyethylene (HDPE) adopts the product that meets " GB1116-1989 high-density polyethylene resin " standard referred to as HDPE.
Ethylene-methacrylic acid copolymer can select Shanghai to be in harmony the product of general chemical industry Co., Ltd or Hangzhou Guan Jia plasticizing Co., Ltd.
The crosslinking agent cumyl peroxide claims again crosslink agent DCP, can select the permanent promise Chemical Industry Science Co., Ltd in Yantai or Shanghai Fang Rui to reach chemicals Co., Ltd product.
Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester claims again antioxidant 1076, and English name antioxidant 1076 can select the product of Yixing City angel synthetic chemistry company or Qingdao seaization fire proofing Co., Ltd.
Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD) claims again antioxidant DNP, can select the product of West Beijing Er Pu Science and Technology Ltd. or Guangzhou Geng Da trade Co., Ltd.
Lubricant stearic acid claims again lubricant SA, formal name used at school: octadecanoid acid, molecular formula CH3(CH2) 16COOH, carry out the standard in " GB/T 9103-1988 industry stearic acid ".
Fire retardant aluminium hydroxide is called again hydrated alumina, can select the product of Jinan Taixing Fine Chemicals Co., ltd.
Fire retardant red phosphorus quality standard is carried out with reference to " GB 4947-2003 ", can select the product of Rugao City rich and powerful fire retardant Co., Ltd.
Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole claims again ultraviolet absorbent uv-326, can select the product of Shanghai Yanrun Ray Machine Technology Co., Ltd. or Qingdao China grace chemical industry Co., Ltd.
The present invention is raw materials used, except above producer, all can select other satisfactory like product on the market.
The above only is the present invention's better possible embodiments, and is non-so 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 requirement of the present invention.
Claims (10)
1. an offshore oil and gas engineering is with heat-resisting soft double shield instrument cable, it is characterized in that: the zinc-plated annealing twisted copper conductors periphery of 0.35 ~ 2.5mm2 is extruded with the chemical crosslinking polyolefin insulation layer and consists of insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each described twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; Every group of right periphery of described twisted pair wire be surrounded with core Copper Foil polyester composite band screen and copper-clad surface inside, the inboard of described core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of core, and the zinc-plated stranded copper wire drainage thread of described core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; Each described core Copper Foil polyester composite band screen periphery is surrounded with the core polyester belt and consists of the pair twist group; All pair twist groups are with 16 ~ 24 times the stranded formation cable core of stranded lay ratio dextrad, the periphery of described cable core be surrounded with cable core Copper Foil polyester composite band screen and copper-clad surface inside, the inboard of described cable core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of cable core, and the zinc-plated stranded copper wire drainage thread of described cable core runs through the cable core overall length and abuts against with copper-clad surface; The periphery of described cable core Copper Foil polyester composite band screen is surrounded with the cable core polyester belt, the periphery of described cable core polyester belt is extruded with inner sheath, the periphery of described inner sheath is coated with copper alloy silk braiding armour, the periphery of described copper alloy silk braiding armour is surrounded with the waterproof band, and the periphery of described waterproof band is extruded with oversheath.
2. offshore oil and gas engineering according to claim 1 is characterized in that with heat-resisting soft double shield instrument cable raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5～1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4～0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2～0.4 part; Lubricant stearic acid: 0.2～1 part; Fire retardant aluminium hydroxide: 25～30 parts; Fire retardant red phosphorus: 0.6～1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05～0.1 part.
3. offshore oil and gas engineering according to claim 2 is characterized in that with heat-resisting soft double shield instrument cable raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2 part; Lubricant stearic acid: 0.2 part; Fire retardant aluminium hydroxide: 25 parts; Fire retardant red phosphorus: 0.6 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05 part.
4. offshore oil and gas engineering according to claim 2 is characterized in that with heat-resisting soft double shield instrument cable raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.8 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.7 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.3 part; Lubricant stearic acid: 0.6 part; Fire retardant aluminium hydroxide: 28 parts; Fire retardant red phosphorus: 0.8 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.08 part.
5. offshore oil and gas engineering according to claim 2 is characterized in that with heat-resisting soft double shield instrument cable raw material components and the weight content of described chemical crosslinking polyolefin insulation layer are as follows, ethylene/vinyl acetate copolymer: 12 parts; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.4 part; Lubricant stearic acid: 1 part; Fire retardant aluminium hydroxide: 30 parts; Fire retardant red phosphorus: 1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.1 part.
6. offshore oil and gas engineering according to claim 1 is with heat-resisting soft double shield instrument cable, it is characterized in that, raw material components and the weight content of described copper alloy silk braiding armour are as follows, copper: iron: lead: zinc=(89.0 ~ 91.0): (0.03 ~ 0.05): (0.01 ~ 0.05): 10.
7. an offshore oil and gas engineering is with the manufacture method of heat-resisting soft double shield instrument cable, it is characterized in that, may further comprise the steps successively: the zinc-plated annealing twisted copper conductors periphery at 0.35 ~ 2.5mm2 extrudes chemical crosslinking polyolefin insulation layer formation insulated wire cores, insulated wire cores is stranded formation twisted pair wire pair in twos, and the right twisting pitch of each described twisted pair wire is not more than 120mm and all twisted pair wires to all adopting different twisting pitch; The right wrapped core Copper Foil of periphery polyester composite band screen and the copper-clad surface of every group of described twisted pair wire is inside, the inboard of described core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of core, and the zinc-plated stranded copper wire drainage thread of described core runs through twisted pair wire and abuts against to overall length and with copper-clad surface; The wrapped core polyester belt of each described core Copper Foil polyester composite band screen periphery consists of the pair twist group; All pair twist groups are with 16 ~ 24 times the stranded formation cable core of stranded lay ratio dextrad, inside at the wrapped cable core Copper Foil of the periphery of described cable core polyester composite band screen and copper-clad surface, the inboard of described cable core Copper Foil polyester composite band screen is provided with the zinc-plated stranded copper wire drainage thread of cable core, and the zinc-plated stranded copper wire drainage thread of described cable core runs through the cable core overall length and abuts against with copper-clad surface; The wrapped cable core polyester belt of periphery at described cable core Copper Foil polyester composite band screen, periphery at described cable core polyester belt extrudes inner sheath, periphery coated copper B alloy wire braiding armour at described inner sheath, at the wrapped waterproof band of periphery of described copper alloy silk braiding armour, extrude oversheath in the periphery of described waterproof band; The preparation method of wherein said chemical crosslinking polyolefin insulation layer is as follows: (1) prepares raw material, ethylene/vinyl acetate copolymer: 12 parts by following component and weight content; High density polyethylene (HDPE): 6 parts; Ethylene-methacrylic acid copolymer: 2 parts; Crosslinking agent cumyl peroxide: 0.5～1 part; Antioxidant β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester: 0.4～0.9 part; Antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD): 0.2～0.4 part; Lubricant stearic acid: 0.2～1 part; Fire retardant aluminium hydroxide: 25～30 parts; Fire retardant red phosphorus: 0.6～1 part; Ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole: 0.05～0.1 part; (2) the banbury temperature is risen to 130 ℃～150 ℃ first, add successively above-mentioned ethylene/vinyl acetate copolymer, high density polyethylene (HDPE) and ethylene-methacrylic acid copolymer, and plastify mixing even, then add antioxidant β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecyl ester, antioxidant N, N '-two-betanaphthyl p-phenylenediamine (PPD), ultra-violet absorber 2-(the 2'-hydroxyl-3'-tert-butyl group-5'-aminomethyl phenyl)-5-chlorinated benzotriazole, fire retardant aluminium hydroxide and fire retardant red phosphorus, and mixing evenly rear blanking; The mixing roll temperature is risen to 60 ℃～70 ℃, above-mentioned compound is dropped in this mixing roll, it is mixing evenly to add lubricant stearic acid and crosslinking agent cumyl peroxide, then glue stuff compounding is moved to and beat triangle Bao Bingjing thin-pass on the three-roller open mill 4～6 times, the roller temperature control is at 60 ℃ ± 5 ℃, front roll temperature is higher 3～5 ℃ than rear roll temperature, cutting after thin-pass is finished, the cooling for subsequent use.
8. offshore oil and gas engineering according to claim 7 is with the manufacture method of heat-resisting soft double shield instrument cable, it is characterized in that, raw material components and the weight content of described copper alloy silk braiding armour are as follows, copper: iron: lead: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10.
According to claim 7 or 8 described offshore oil and gas engineerings with the manufacture method of heat-resisting soft double shield instrument cables, it is characterized in that, described chemical crosslinking polyolefin insulation layer adopts cold feeding manner to extrude at the twin-screw rubber extruding machine, the draw ratio of screw rod is (15～25): 1, fuselage one district's temperature of twin-screw rubber extruding machine is 110 ℃ ± 5 ℃, fuselage two district's temperature are 120 ℃ ± 5 ℃, head temperature is 130 ℃ ± 5 ℃, mold temperature is 140 ℃ ± 5 ℃, and rubber extruding machine cooled screw mode is water cooling.
10. offshore oil and gas engineering according to claim 9 is with the manufacture method of heat-resisting soft double shield instrument cable, it is characterized in that, described chemical crosslinking polyolefin insulation layer is when the twin-screw rubber extruding machine is extruded, the line length of holding of core rod is 1:(1～1.2 with the external diameter ratio of extruding), the gap between core rod and the die sleeve is 1～1.5mm; Described electro-insulating rubber enters the cross-linking tube road after the head of described twin-screw rubber extruding machine is extruded, the temperature of described crosslinked pipeline is 160 ℃～180 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462646.2A CN102969043B (en) | 2012-11-16 | 2012-11-16 | High-temperature-resistant soft double-shield instrument cable for maritime oil and gas engineering and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462646.2A CN102969043B (en) | 2012-11-16 | 2012-11-16 | High-temperature-resistant soft double-shield instrument cable for maritime oil and gas engineering and manufacturing method thereof |
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| CN103187126A (en) * | 2013-03-26 | 2013-07-03 | 江苏远洋东泽电缆股份有限公司 | Double-shielded instrument cable for flame-resistant and fire-resistant ship and manufacture method thereof |
| CN103227012A (en) * | 2013-03-26 | 2013-07-31 | 江苏远洋东泽电缆股份有限公司 | Salt corrosion resistant and twisting resistant double-shielded communication cable for ocean wind power and manufacturing method of communication cable |
| CN103351509A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Cable insulation composition and preparation method thereof |
| CN103903719A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Oil-resistant and waterproof self-temperature-controlling multi-core coaxial cable |
| CN103915195A (en) * | 2014-03-18 | 2014-07-09 | 安徽慧艺线缆集团有限公司 | Waterproof dual-shielding computer and meter control cable |
| CN103928093A (en) * | 2014-03-12 | 2014-07-16 | 安徽省高沟电缆有限公司 | Aluminum conductor cable core drainage cable |
| CN104183317A (en) * | 2014-09-03 | 2014-12-03 | 太仓苏晟电气技术科技有限公司 | Irradiation-resistant halogen-free high-flame-retardant EVA electric wire and manufacturing method thereof |
| CN104361921A (en) * | 2014-11-28 | 2015-02-18 | 彭伟成 | Copper alloy single-core cable and manufacturing method thereof |
| CN104637584A (en) * | 2013-11-14 | 2015-05-20 | 成都捷康特科技有限公司 | Insect-proof cable |
| CN104751993A (en) * | 2013-12-25 | 2015-07-01 | 江苏亨通线缆科技有限公司 | Communication cable for security signal system |
| CN104851500A (en) * | 2014-02-14 | 2015-08-19 | 安徽新华电缆(集团)有限公司 | High-temperature-resistant cable for petrochemical engineering |
| CN104867611A (en) * | 2014-02-24 | 2015-08-26 | 江苏亨通线缆科技有限公司 | Low-time-delay high-speed data transmission cable |
| CN107731359A (en) * | 2017-10-26 | 2018-02-23 | 天津金山电线电缆股份有限公司 | A kind of cable inflatable and preparation method thereof |
| CN114822993A (en) * | 2022-05-17 | 2022-07-29 | 南京亿天塑料有限公司 | Heat-resistant anti-aging automotive wire harness and preparation method thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103187126A (en) * | 2013-03-26 | 2013-07-03 | 江苏远洋东泽电缆股份有限公司 | Double-shielded instrument cable for flame-resistant and fire-resistant ship and manufacture method thereof |
| CN103227012A (en) * | 2013-03-26 | 2013-07-31 | 江苏远洋东泽电缆股份有限公司 | Salt corrosion resistant and twisting resistant double-shielded communication cable for ocean wind power and manufacturing method of communication cable |
| CN103187126B (en) * | 2013-03-26 | 2016-03-30 | 江苏远洋东泽电缆股份有限公司 | Flame-retardant double shield instrument cable peculiar to vessel and manufacture method thereof |
| CN103227012B (en) * | 2013-03-26 | 2015-12-02 | 江苏远洋东泽电缆股份有限公司 | Ocean wind-powered electricity generation Salt corrosion resistance to torsion double shield telecommunication cable and manufacture method thereof |
| CN103351509A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Cable insulation composition and preparation method thereof |
| CN103351509B (en) * | 2013-06-19 | 2016-08-10 | 安徽电缆股份有限公司 | A kind of cable insulation compositions and preparation method thereof |
| CN104637584A (en) * | 2013-11-14 | 2015-05-20 | 成都捷康特科技有限公司 | Insect-proof cable |
| CN104751993A (en) * | 2013-12-25 | 2015-07-01 | 江苏亨通线缆科技有限公司 | Communication cable for security signal system |
| CN104851500A (en) * | 2014-02-14 | 2015-08-19 | 安徽新华电缆(集团)有限公司 | High-temperature-resistant cable for petrochemical engineering |
| CN104867611A (en) * | 2014-02-24 | 2015-08-26 | 江苏亨通线缆科技有限公司 | Low-time-delay high-speed data transmission cable |
| CN103903719A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Oil-resistant and waterproof self-temperature-controlling multi-core coaxial cable |
| CN103928093A (en) * | 2014-03-12 | 2014-07-16 | 安徽省高沟电缆有限公司 | Aluminum conductor cable core drainage cable |
| CN103915195A (en) * | 2014-03-18 | 2014-07-09 | 安徽慧艺线缆集团有限公司 | Waterproof dual-shielding computer and meter control cable |
| CN104183317A (en) * | 2014-09-03 | 2014-12-03 | 太仓苏晟电气技术科技有限公司 | Irradiation-resistant halogen-free high-flame-retardant EVA electric wire and manufacturing method thereof |
| CN104183317B (en) * | 2014-09-03 | 2016-08-24 | 太仓苏晟电气技术科技有限公司 | A kind of irradiation resistant non-halogen high fire-retardance EVA electric wire and preparation method thereof |
| CN104361921A (en) * | 2014-11-28 | 2015-02-18 | 彭伟成 | Copper alloy single-core cable and manufacturing method thereof |
| CN107731359A (en) * | 2017-10-26 | 2018-02-23 | 天津金山电线电缆股份有限公司 | A kind of cable inflatable and preparation method thereof |
| CN114822993A (en) * | 2022-05-17 | 2022-07-29 | 南京亿天塑料有限公司 | Heat-resistant anti-aging automotive wire harness and preparation method thereof |
| CN114822993B (en) * | 2022-05-17 | 2023-11-03 | 南京亿天塑料有限公司 | Heat-resistant anti-aging wire harness for vehicle and preparation method thereof |
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