CN202940014U - High-temperature-resistant soft control cable for offshore oil gas engineering - Google Patents
High-temperature-resistant soft control cable for offshore oil gas engineering Download PDFInfo
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- CN202940014U CN202940014U CN 201220606699 CN201220606699U CN202940014U CN 202940014 U CN202940014 U CN 202940014U CN 201220606699 CN201220606699 CN 201220606699 CN 201220606699 U CN201220606699 U CN 201220606699U CN 202940014 U CN202940014 U CN 202940014U
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Abstract
The utility model relates to a high-temperature-resistant soft control cable for offshore oil gas engineering. Chemical crosslinked polyolefin insulating layers are extruded in the peripheries of tinned annealed intertwisted copper conductors of 0.35-2.5 mm2 to constitute insulating wire cores, a plurality of insulating wire cores are intertwisted rightwards with an intertwist pitch-diameter ratio of 20-24 times to constitute a cable core, an inner sheath is extruded in the periphery of the cable core, a copper alloy wire weaved armor layer wraps the periphery of the inner sheath, a waterproof belting wraps the periphery of the copper alloy wire weaved armor layer, and an outer sheath is extruded in the periphery of the waterproof belting. The insulating layers of the control cable have excellent high-temperature-resistant and aging-resistant performance, and the control cable has a long service life.
Description
Technical field
The utility model relates to a kind of control cables, particularly a kind of offshore oil and gas engineering heat-resisting soft control cables.The utility model also relates to the manufacture method of a kind of offshore oil and gas engineering with the heat-resisting soft control cables.
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 to meet mechanical protection, cable to cable simultaneously and possesses that the many moisture of the oil gas of adaptation engineering-environment corrodes 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 zinc-coated wire to weave as armouring, cross-linking radiation polyolefin as insulating and sheath in order to alleviate cable weight in 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 meet the crosslinked demand of sheath, and the anti-water permeation performance of irradiation crosslinked polyolefin insulating and sheath is very poor, can't meet the Long Term Contact with moisture.
The Chinese patent that publication number is 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 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 meet the requirement of high temperature resistant, the large ampacity of offshore oil and gas engineering cable, the erosion of many moisture.
The Chinese utility model patent that publication number is CN101565527A discloses a kind of 125 DEG C irradiated crosslinking, although it has met the high temperature heat-resistant ageing properties requirement of 125 ℃, but it only can be for cable cover(ing), insulation property are poor, are not suitable as insulating material.
The Chinese utility model patent that publication number is CN102617923A discloses a kind of irradiated crosslinking low-smoke and halogen-free high flame retardant polyolefin insulation material, its heat-proof aging is only 135 ℃, according to correlation standard, this material only can bear 90 ℃ of long-term maximum operating temperatures, can't meet offshore oil and gas engineering cable high-temperature operation environmental requirement.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of offshore oil and gas engineering heat-resisting soft control cables 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 heat-resisting soft control cables provided by the utility model, 0.35 being extruded with the chemical crosslinking polyolefin insulation layer, the zinc-plated annealing twisted copper conductors periphery of ~ 2.5mm2 forms insulated wire cores, many described insulated wire cores are with the stranded formation cable core of stranded lay ratio dextrad of 20 ~ 24 times, the periphery of described cable core 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 utility model has been obtained following beneficial effect: this cable is extruded with the chemical crosslinking polyolefin insulation layer outside zinc-plated annealing twisted copper conductors, 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, increase ampacity, mechanical strength is larger than copper again, cost is cheap than copper, and has excellent anti-seawater corrosion performance, for the long-term security operation of cable, benefits.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model offshore oil and gas engineering with the heat-resisting soft control cables.
In figure: 1. zinc-plated annealing twisted copper conductors; 2. chemical crosslinking polyolefin insulation layer; 3. inner sheath; 4. the copper alloy silk weaves armour; 5. waterproof band; 6. oversheath.
Embodiment
Embodiment mono-
As shown in Figure 1, offshore oil and gas engineering heat-resisting soft control cables of the present utility model, manufacture according to the following steps: extrude chemical crosslinking polyolefin insulation layer 2 in the periphery of the zinc-plated annealing twisted copper conductors 1 of 0.35mm2 and form insulated wire cores, the stranded lay ratio dextrad stranded formation cable core of edge core with 20 times will be thoroughly done away with more, periphery at cable core extrudes inner sheath 3, periphery coated copper B alloy wire braiding armour 4 at inner sheath 3, then, at the wrapped waterproof band 5 of periphery of copper alloy silk braiding armour 4, finally the periphery at the waterproof band extrudes oversheath 6.
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 electro-insulating rubbers used 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 '-bis--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 '-bis--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, add lubricant stearic acid and crosslinking agent cumyl peroxide mixing evenly, then glue stuff compounding is moved on three-roller open mill and beat triangle Bao Bingjing thin-pass 4 times, the roller temperature control is at 55 ℃, front roll temperature is higher 3 ℃ than rear roll temperature, cutting after thin-pass completes, cooling standby; Chemical crosslinking polyolefin insulation layer 2 adopts cold feeding manner to extrude on 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 is extruded, the line length of holding of core rod is 1:1 with the external diameter ratio of extruding, and the gap between core rod and die sleeve is 1mm; Electro-insulating rubber enters the cross-linking tube road from the head of twin-screw rubber extruding machine is extruded, and 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; Easily occur that list edge adheres to the drawback of conductive surface, after avoiding the conductor oxidative phenomena to occur; 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 4 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 bis-
Offshore oil and gas engineering heat-resisting soft control cables of the present utility model, manufacture according to the following steps: extrude chemical crosslinking polyolefin insulation layer 2 in the periphery of the zinc-plated annealing twisted copper conductors 1 of 1.25mm2 and form insulated wire cores, the stranded lay ratio dextrad stranded formation cable core of edge core with 22 times will be thoroughly done away with more, periphery at cable core extrudes inner sheath 3, periphery coated copper B alloy wire braiding armour 4 at inner sheath 3, then, at the wrapped waterproof band 5 of periphery of copper alloy silk braiding armour 4, finally the periphery at the waterproof band extrudes oversheath 6.
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 electro-insulating rubbers used 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 '-bis--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 '-bis--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, add lubricant stearic acid and crosslinking agent cumyl peroxide mixing evenly, then glue stuff compounding is moved on three-roller open mill and beat triangle Bao Bingjing thin-pass 5 times, the roller temperature control is at 60 ℃, front roll temperature is higher 4 ℃ than rear roll temperature, cutting after thin-pass completes, cooling standby; Chemical crosslinking polyolefin insulation layer 2 adopts cold feeding manner to extrude on 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 is extruded, the line length of holding of core rod is 1:1.1 with the external diameter ratio of extruding, and the gap between core rod and die sleeve is 1.2mm; Electro-insulating rubber enters the cross-linking tube road from the head of twin-screw rubber extruding machine is extruded, and 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 4 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 tri-
Offshore oil and gas engineering heat-resisting soft control cables of the present utility model, manufacture according to the following steps: extrude chemical crosslinking polyolefin insulation layer 2 in the periphery of the zinc-plated annealing twisted copper conductors 1 of 2.5mm2 and form insulated wire cores, the stranded lay ratio dextrad stranded formation cable core of edge core with 24 times will be thoroughly done away with more, periphery at cable core extrudes inner sheath 3, periphery coated copper B alloy wire braiding armour 4 at inner sheath 3, then, at the wrapped waterproof band 5 of periphery of copper alloy silk braiding armour 4, finally the periphery at the waterproof band extrudes oversheath 6.
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 electro-insulating rubbers used 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 '-bis--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 '-bis--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, add lubricant stearic acid and crosslinking agent cumyl peroxide mixing evenly, then glue stuff compounding is moved on three-roller open mill and beat triangle Bao Bingjing thin-pass 6 times, the roller temperature control is at 65 ℃, front roll temperature is higher 5 ℃ than rear roll temperature, cutting after thin-pass completes, cooling standby; Chemical crosslinking polyolefin insulation layer 2 adopts cold feeding manner to extrude on 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 is extruded, the line length of holding of core rod is 1:1.2 with the external diameter ratio of extruding, and the gap between core rod and die sleeve is 1.5mm; Electro-insulating rubber enters the cross-linking tube road from the head of twin-screw rubber extruding machine is extruded, and 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 4 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%.
In embodiment mono-to embodiment tri-, the physical and mechanical properties of armouring braided wires is as follows: 1) toughness: an end of the sample that is 50 ~ 70mm by length clips in the level of brave bench vice and, between parallel rounding opposite side, vertically stretches on brave bench vice.Spring scale is connected on another free end of sample, grasping the tension force that spring scale makes to put on sample is 1.0 ± 0.1 Ns.Keeping under the condition of this tension force making the alternately brave bench vice limit 90-degree bent perpendicular to rounding to both direction of sample, 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: on the steel cylinder coupon that is 6.4mm at diameter, one end of the braided wires sample that is 254mm by length is fixed on coupon, make it contact with the curved surface of coupon and become plumbness with the coupon axis, the other end of sample is hung on spring scale, with hand spring scale make sample on coupon around 4 circles, keeping sample tension force is 1.1 ± 0.1 Ns.Finally sample Panasonic from spring scale is come, and allow it in enclosing around state, at middle part, measurement is not more than 9.5mm to the coil outer diameter formed on coupon.
The insulating barrier of embodiment mono-to embodiment tri-is carried out to insulation resistance (15.6 ℃ time) test result as shown in table 1.
Table 1
| ? | Unit | Standard-required | Embodiment mono- | Embodiment bis- | Embodiment tri- |
| Insulation resistance (15.6 ℃) | MΩ·km | ≥3050 | 3870 | 4620 | 4080 |
Insulating barrier in embodiment mono-to embodiment tri-is accelerated to water absorption test, 75 ℃ of immersions, test dielectric constant and ac capacitor increment rate under water, result is as table 2.The numerical value recorded in table be respectively the 14th day with the difference of the 1st day, the 7th day.
Table 2
| ? | Unit | Standard-required | Embodiment mono- | Embodiment bis- | Embodiment tri- |
| 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 |
The insulating barrier of embodiment mono-to embodiment tri-is carried out to aging front measuring mechanical property result as table 3:
Table 3
| ? | Unit | Standard-required | Embodiment mono- | Embodiment bis- | Embodiment tri- |
| Tensile strength | N/mm2 | ≥12.5 | 14.5 | 15.6 | 17.1 |
| Elongation at break | % | ≥250 | 310 | 380 | 295 |
The insulating barrier of embodiment mono-to embodiment tri-is carried out to the measuring mechanical property of watertight aircase after aging, and test result is as table 4, aging condition: 160 ± 1 ℃ of temperature, time: 168h.
Table 4
The test result that insulating barrier in embodiment mono-to embodiment tri-is carried out to heat distortion test is as table 5, experimental condition: 150 ℃ for the treatment of temperatures.
Table 5
Finished cable to embodiment mono-to embodiment tri-carries out ozone resistance test, and result of the test is as table 6, experimental condition: 90 ± 2 ℃ of temperature, time 24h, ozone concentration 0.030%.
Table 6
| ? | Standard-required | Embodiment mono- | Embodiment bis- | Embodiment tri- |
| Ozone resistance test | Surface is without cracking | Without cracking | Without cracking | Without cracking |
Insulating barrier in embodiment mono-to embodiment tri-is carried out to VW-1 burning test result as table 7.
Table 7
Insulating barrier heat in embodiment mono-to embodiment tri-is carried out to hot elongation test, and result is 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 mono-to embodiment tri-is carried out the ultraviolet-resistant aging result of the test as table 9, experimental condition: employing 6kW hernia lamp is irradiated and is equipped with the hydraulic pressure water spray of 0.12～0.15MPa, according to 120 minutes, for carrying out the cycle ultraviolet ray, one-period irradiates, wherein water spray, illumination simultaneously in 18 minutes, independent illumination in another 102 minutes, exposure irradiation is 1000 hours altogether, then sample is placed in to 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 mono-to embodiment tri-is prevented the erosion test of seawater moisture, result of the test is as table 10, experimental condition: three are longly soaked 10 days for the finished cable sample of 1.1m is placed in the solution that saliferous (NaCl) mass concentration that temperature is 60 ± 1 ℃ is 20%.Cable adopts U-shaped bending, sample two ends respectively to have 30cm to surface while soaking; After soaking end, cable can be by the withstand voltage test of AC3.5kV/5min; On the circular shaft that is 9 times of sample of cable external diameters at diameter by cable winding, insulating surface range estimation visible crack.
Table 10
Finished cable to embodiment mono-to embodiment tri-carries out low temperature bend test, result of the test is as table 11, experimental condition: after 4h is placed in 40 ℃ of test chambers of finished cable Zai –, keep on the circular shaft of the outside diameter of cable that this temperature is 12 times by sample at diameter being wound around 3 circles, then be withdrawn into original position, then be wound around round about again 3 circles, more stretching.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 mono-to embodiment tri-carries out low-temperature impact test, result of the test is as table 12, experimental condition: the tested sample of cable that is 0.13m by length is placed in-35 ℃ of test chambers and places 4h, then sample is placed in the wooden plate that is of a size of 50mm*100mm successively, the height that the impulse member that heavy 1.36kg is had to steel toe is 915mm from the test coupon height freely falls, the diameter of steel toe is 28.5mm, having diameter is the shock surface that is fillet of 25mm, while falling, the steel toe shock surface is the top of impact specimen vertically downward, the insulating barrier of observing sample has or not cracking.
Table 12
Finished cable to embodiment mono-to embodiment tri-carries out the test of oil resistant ageing properties, and result of the test is as table 13, experimental condition: three are longly soaked 4 days for the finished cable sample of 1.1m is placed in the IRM902 deep fat that temperature is 100 ± 1 ℃.Cable adopts U-shaped bending, sample two ends respectively to have 30cm to expose pasta while soaking.After soaking end, cable is carried out to the withstand voltage test of AC3.5kV/5min; On the circular shaft that is 9 times of sample of cable external diameters at diameter by cable winding, whether range estimation visible crack and insulation peel off from conductor.
Table 13
Ethylene/vinyl acetate copolymer, referred to as EVA, can be selected the product of the excessive source in Nanjing zero degree plastic material Co., Ltd or Shanghai chemical industry Co., Ltd.
High density polyethylene (HDPE), referred to as HDPE, adopts the product that meets " GB1116-1989 high-density polyethylene resin " standard.
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 Yantai Heng Nuo Chemical Industry Science Co., Ltd 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 '-bis--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 utility model 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 utility model, non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model 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 the utility model requirement.
Claims (1)
1. an offshore oil and gas engineering heat-resisting soft control cables, 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 forms insulated wire cores, many described insulated wire cores are with the stranded formation cable core of stranded lay ratio dextrad of 20 ~ 24 times, the periphery of described cable core 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220606699 CN202940014U (en) | 2012-11-16 | 2012-11-16 | High-temperature-resistant soft control cable for offshore oil gas engineering |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220606699 CN202940014U (en) | 2012-11-16 | 2012-11-16 | High-temperature-resistant soft control cable for offshore oil gas engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969047A (en) * | 2012-11-16 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | High-temperature-resistant soft control cable for maritime oil and gas engineering and manufacturing method thereof |
| CN103578633A (en) * | 2013-11-08 | 2014-02-12 | 江苏远洋东泽电缆股份有限公司 | Hydrocarbon-ageing-resistant control cable for petrochemical unit and manufacturing method of hydrocarbon-ageing-resistant control cable |
-
2012
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969047A (en) * | 2012-11-16 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | High-temperature-resistant soft control cable for maritime oil and gas engineering and manufacturing method thereof |
| CN102969047B (en) * | 2012-11-16 | 2014-12-31 | 江苏远洋东泽电缆股份有限公司 | High-temperature-resistant soft control cable for maritime oil and gas engineering and manufacturing method thereof |
| CN103578633A (en) * | 2013-11-08 | 2014-02-12 | 江苏远洋东泽电缆股份有限公司 | Hydrocarbon-ageing-resistant control cable for petrochemical unit and manufacturing method of hydrocarbon-ageing-resistant control cable |
| CN103578633B (en) * | 2013-11-08 | 2015-10-28 | 江苏远洋东泽电缆股份有限公司 | The petrochemical equipment Aging control of resistance to hydrocarbons cable and manufacture method thereof |
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