CN103903767B - A kind of oil resistant circular submersible pump cable - Google Patents
A kind of oil resistant circular submersible pump cable Download PDFInfo
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- CN103903767B CN103903767B CN201410103807.8A CN201410103807A CN103903767B CN 103903767 B CN103903767 B CN 103903767B CN 201410103807 A CN201410103807 A CN 201410103807A CN 103903767 B CN103903767 B CN 103903767B
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- core
- annular brace
- wires
- submersible pump
- cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses a kind of oil resistant circular submersible pump cable, the cable core be made up of three wires, three flexible filling tubes and annular brace core; Every root wire comprises the conductor being positioned at middle part and the semiconductive shielding layer being coated on conductor outside successively, insulating barrier and one side aluminium-plastic tape, the plastic layer of one side aluminium-plastic tape towards inner metal layer outwardly, annular brace core adopts macromolecular material to make and periphery is closed, and wherein longitudinally arranges many finer wires; Three wires are parallel longitudinal at annular brace in-core and near the inner circumferential of annular brace core, and three flexible filling tubes are longitudinal between adjacent two wires and near the inner circumferential of adjacent two wires and annular brace core respectively; At the outside coated restrictive coating of described cable core, between described cable core and restrictive coating, be provided with lubricating layer, the outside coated armour of restrictive coating.The oil resistant circular submersible pump cable that the present invention proposes, compact conformation, high temperature resistant, magnetic field balance is good, oil-resistant characteristic is excellent.
Description
Technical field
The present invention relates to field of cables, particularly relate to a kind of oil resistant circular submersible pump cable.
Background technology
Electric cable of submersible pump is as the passage portion of Electric Submersible Pump Unit transmission of electric energy, and long-term work is at high temperature, high pressure and have in the environment of corrosive gas.For making electric pump unit normally run for a long time, cable before requiring threshold value to match, is had to have higher electric property: high temperature resistant, high pressure and corrosion-resistant.Because having cable compared with common motive power cable before this, except there is identical insulating properties, also there is the particularity adapting to oil well and run, be mainly manifested in structure different from general power cable with insulating material.
Diglyhus isaea can be divided into circular and flat two kinds by shape.By the restriction of oil well casing small space, usual diglyhus isaea is based on flat.Because flat cable is unsymmetric structure, when electric power transfer, the electromagnetic induction produced because of the imbalance in magnetic field can cause magnetic hysteresis loss, makes electric cable heating.Therefore, round cable should be adopted when oil well casing size allows.
Oil well environment especially requires higher to the grease resistance of cable, and general circular submersible pump cable Stability Analysis of Structures is poor, and during electric power transfer, the electromagnetic induction produced because of the imbalance in magnetic field can cause magnetic hysteresis loss, makes electric cable heating, and useful life is short.Meanwhile, cable is when oil well runs, and it is inner that oil gas is easy to invade cable core, impacts cable life.How to manufacture a kind of Stability Analysis of Structures, grease resistance is excellent, and resistant to elevated temperatures electric cable of submersible pump, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of oil resistant circular submersible pump cable, its compact conformation, high temperature resistant, oil-resistant characteristic is excellent, can use safely under oil well environment for a long time.
A kind of oil resistant circular submersible pump cable that the present invention proposes, the cable core be made up of three wires, three flexible filling tubes and annular brace core; Every root wire comprises the conductor being positioned at middle part and the semiconductive shielding layer being coated on conductor outside successively, insulating barrier and one side aluminium-plastic tape, the plastic layer of one side aluminium-plastic tape towards inner metal layer outwardly, annular brace core adopts macromolecular material to make and periphery is closed, and inner longitudinally layout many finer wires; Three wires are parallel longitudinal at annular brace in-core and near the inner circumferential of annular brace core, and three flexible filling tubes are longitudinal between adjacent two wires and near the inner circumferential of adjacent two wires and annular brace core respectively; At the outside coated restrictive coating of described cable core, between described cable core and restrictive coating, be provided with lubricating layer, the outside coated armour of restrictive coating.
Preferably, flexible filling tube adopts elastomeric material to make.
Preferably, annular brace core adopts CPE Composites to make.
Preferably, filling tube inside is filled with cooling agent or anticorrisive agent.
Preferably, filling tube inside is provided with holding wire.
Preferably, lubricating layer adopts thin aluminium powder layer to make.
Preferably, armour is 316L type stainless steel band lock armo layer.
In the present invention, in cable inside, the annular brace core adopting thermoplastic elastic material to make is set, annular brace core periphery is closed and is wherein longitudinally arranged many finer wires, three wires are parallel longitudinal at annular brace in-core, and three flexible filling tubes are longitudinal between adjacent two wires respectively.In said structure arrangement, on the one hand, the setting of annular brace core and flexible filling tube makes wire fix, cable core internal structure is stablized, on the other hand, annular brace core periphery is closed, prevent oil outer gas cut from entering cable core inside, ensure that the oil resistant water resistance of cable, extend the useful life of cable, more on the one hand, annular brace core and filling tube all adopt elastomeric material to make, and annular brace core inner longitudinally arranges many finer wires, the while of not affecting cable flexible, enhance the mechanical performance of cable.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention proposes a kind of oil resistant circular submersible pump cable.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of oil resistant circular submersible pump cable that the present invention proposes.
With reference to Fig. 1, a kind of oil resistant circular submersible pump cable that the present invention proposes, comprises the cable core be made up of three wires, 1, three flexible filling tubes 2 and annular brace core 3;
Wire 1 comprises the conductor 11 being positioned at middle part, conductor 11 forms by many tinned copper wires are stranded, the outside coated semiconductive shielding layer 12 of conductor 11, the outside coated insulation layer 13 of semi-conductive shield 12, the outside coated one side aluminium-plastic tape 14 of insulating barrier 13, aluminum metal layer is outwardly inwardly for the plastic layer of one side aluminium-plastic tape 14; Elasticity filling tube 2 adopts elastomeric material to make, and its diameter is less than the diameter of wire 1;
Annular brace core 3 adopts thermoplastic elastic material to make and periphery is closed, and wherein longitudinally arranges many finer wires 30.
In the placement process of wire and holding wire, three wires 1 are parallel longitudinal in annular brace core 3 and near the inner circumferential of annular brace core 3, and three elasticity filling tubes 2 are longitudinal between adjacent two wires 1 and near the inner circumferential of adjacent two wires and annular brace core 3 respectively; Cable core structure is compact, advantages of good shielding performance.
At the outside coated restrictive coating 5 of cable core, be provided with thin aluminium powder layer 4 between cable core and restrictive coating 5, the outside coated armour 6 of restrictive coating 5, armour 6 is 316L type stainless steel band lock armo layer.
In the present embodiment, in cable inside, the annular brace core 3 adopting thermoplastic elastic material to make is set, annular brace core 3 periphery is closed and inner longitudinally layout many finer wires 30, three wires 1 are parallel longitudinal in annular brace core 3, and three elasticity filling tubes 2 are longitudinal between adjacent two wires 1 respectively.In said structure arrangement, on the one hand, the setting of annular brace core 3 and elasticity filling tube 2 makes wire 1 fix, cable core internal structure is stablized, on the other hand, annular brace core 3 periphery is closed, prevent oil outer gas cut from entering cable core inside, ensure that the oil resistant water resistance of cable, extend the useful life of cable, more on the one hand, annular brace core 3 and elasticity filling tube 2 all adopt elastomeric material to make, and annular brace core 3 is inner longitudinally arranges many finer wires 30, the while of not affecting cable flexible, enhance the mechanical performance of cable.
In concrete structure design, three wires 1 are parallel longitudinal in annular brace core 3 and near the inner circumferential of annular brace core 3, three elasticity filling tubes 2 are longitudinal between adjacent two wires 1 and near the inner circumferential of adjacent two wires and annular brace core 3 respectively, three wires 1 are fixed in cable core by annular brace core 3 and three elasticity filling tubes 2, improve the utilization ratio in space in cable, make cable core structure compact and stable; When cable is subject to external force, annular brace core 3 and elasticity filling tube 2 play the effect of guardwire; Wire is arranged in isosceles triangle in cable core, and make the uniform electromagnetic field distribution produced in cable core, interference is little mutually, and Electro Magnetic Compatibility is good.
Between the conductor 11 and insulating barrier 13 of wire 1, semiconductive shielding layer 12 is set, object prevents the gap between conductor 11 and insulating barrier 13, ensure conductor 11 metal equipotential and with the insulating material good contact of insulating barrier 13, thus avoid conductor 11 to produce partial discharge with insulating barrier 13 surface, and the generation of the distribution of semi-conductive shield 12 uniform electric field and the suppression metal of conductor 11 and the insulating material surface corona of insulating barrier 13, ensure that the stable of cable height current-carrying.
At the outside coated one side aluminium-plastic tape 14 of the insulating barrier 13 of every root wire 1, and the aluminum metal layer of one side aluminium-plastic tape 14 towards outer plastic layer inwardly, and when cable works, it prevents oil outer gas cut from entering wire inside.Meanwhile, when being filled with cooling fluid in elasticity filling tube 2, cooling fluid is from internal cooling cable core, now, the aluminum metal layer of one side aluminium-plastic tape 14 forms high-efficiency heat conduction path in cable core, makes cable core interior environment temperature balanced, thus reduces the effect of the operating ambient temperature of wire and holding wire; Alternatively, when in elasticity filling tube 2 during signalization line, realize the multiplexing of transmission of cable, now, the aluminum metal layer of one side aluminium-plastic tape 14 is that each wire and holding wire are formed individually shielded, play the effect of Electromagnetic Interference between shielded conductor and holding wire, realize the electromagnetic wave shielding performance to cable.
Thin aluminium powder layer 4 is provided with between cable core and restrictive coating 5; make extremely to lubricate between cable core and outer sheath layer 5, when outer armor layer 6 and restrictive coating 5 are subject to outside torsion, protection cable core; simultaneously when outer armor layer 6 and restrictive coating 5 are damaged, be convenient to it and peel off from cable core.
Armour 6 adopts the chain armoured process of 316L type stainless steel band, plays longitudinal stress effect, plays crucial protective effect to restrictive coating 5 simultaneously, improves antirust, tension, bending property in cable use; And the chain armour of 316L type stainless steel band 6 plays the effect of the total screen of cable, it is the interference of cable core shielding external electromagnetic waves.
Preferably, the CPE Composites that annular brace core 3 adopts comprises following component by mass fraction: 40 ~ 50 parts of haloflexes, 15 ~ 30 parts of talcum powder, 20 ~ 30 parts of precipitated calcium carbonates, 10 ~ 20 parts of carbon fibers, 10 ~ 20 parts of conductive blacks, 5 ~ 8 parts of cyanacrylates, 5 ~ 8 parts of cumyl peroxides, 2 ~ 4 parts of PE waxes, 1 ~ 3 part of antioxidant 1010; Particularly, its component and content as follows: 50 parts of haloflexes, 15 parts of talcum powder, 25 parts of precipitated calcium carbonates, 17 parts of carbon fibers, 17 parts of conductive blacks, 6 parts of cyanacrylates, 7 parts of cumyl peroxides, 3 parts of PE waxes, 2 parts of antioxidant 1010s.
Annular brace core 3 is as inner lead 1 supporting protection body; make by adopting the CPE Composites of above-mentioned raw materials component; the performance of oil resistant waterproof, high strength, anti-aging, insulation can be had, the useful life of cable under oil well environment can be extended.Wherein, the hardness of the interpolation reinforced composite of precipitated calcium carbonate and carbon fiber and mechanical performance; Adding of conductive black, the antistatic behaviour of composite material can be improved, improve the fail safe that cable works in oil well environment.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. an oil resistant circular submersible pump cable, is characterized in that, the cable core be made up of three wires, three flexible filling tubes (2) and annular brace core (3); Every root wire comprises the conductor (11) being positioned at middle part and the semiconductive shielding layer (12) being coated on conductor (11) outside successively, insulating barrier (13) and one side aluminium-plastic tape (14), the plastic layer of one side aluminium-plastic tape (14) towards inner metal layer outwardly, annular brace core (3) adopts macromolecular material to make and periphery is closed, and inner longitudinally layout many finer wires (30); Three wires are parallel longitudinal in annular brace core (3) and near the inner circumferential of annular brace core (3), and three flexible filling tubes (2) are longitudinal between adjacent two wires and near the inner circumferential of adjacent two wires and annular brace core (3) respectively; The outside coated restrictive coating (5) of described cable core, be provided with lubricating layer (4) between described cable core and restrictive coating (5), the outside coated armour (6) of restrictive coating (5).
2. oil resistant circular submersible pump cable according to claim 1, is characterized in that, flexible filling tube (2) adopts elastomeric material to make.
3. oil resistant circular submersible pump cable according to claim 1, is characterized in that, annular brace core (3) adopts CPE Composites to make.
4. the oil resistant circular submersible pump cable according to any one of claim 1-3, is characterized in that, filling tube (2) inside is filled with cooling agent or anticorrisive agent.
5. the oil resistant circular submersible pump cable according to any one of claim 1-3, is characterized in that, filling tube (2) inside is provided with holding wire.
6. oil resistant circular submersible pump cable according to claim 1, is characterized in that, lubricating layer (4) adopts thin aluminium powder layer to make.
7. oil resistant circular submersible pump cable according to claim 1, is characterized in that, armour (6) is 316L type stainless steel band lock armo layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410103807.8A CN103903767B (en) | 2014-03-14 | 2014-03-14 | A kind of oil resistant circular submersible pump cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410103807.8A CN103903767B (en) | 2014-03-14 | 2014-03-14 | A kind of oil resistant circular submersible pump cable |
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| CN103903767A CN103903767A (en) | 2014-07-02 |
| CN103903767B true CN103903767B (en) | 2016-01-27 |
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| CN104200892A (en) * | 2014-09-22 | 2014-12-10 | 华迅工业(苏州)有限公司 | Antistatic metal foil and plastic composited belt for symmetric data cable shielding |
| WO2016070298A1 (en) * | 2014-11-07 | 2016-05-12 | 唐山市丰南区华信精密制管有限公司 | Tube cable apparatus, method for manufacturing tube cable apparatus, and application thereof |
| CN105111538A (en) * | 2015-08-26 | 2015-12-02 | 安徽蒙特尔电缆集团有限公司 | Mining anti-extrusion high-wear-resistance cable |
| CN107545953A (en) * | 2016-06-23 | 2018-01-05 | 上海市高桥电缆厂有限公司 | CA cable assembly |
| CN108983377A (en) * | 2018-08-31 | 2018-12-11 | 铜陵市铜都特种线缆有限公司 | A kind of waterproof optical fiber stern fast |
| CN109036646A (en) * | 2018-09-03 | 2018-12-18 | 河北华通线缆集团股份有限公司 | A kind of multitube complex function type electric cable of submersible pump and its manufacture craft |
| CN112927847B (en) * | 2021-02-05 | 2022-04-12 | 山东中迈电缆有限公司 | High-temperature-resistant and long-service-life cable and preparation method thereof |
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| CN103903767A (en) | 2014-07-02 |
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Inventor after: Wan Xiuping Inventor after: Hua Qiguo Inventor after: Gao Zhengjun Inventor after: Zhang Yong Inventor after: Liang Fuqiu Inventor before: Wei Jinchun Inventor before: Peng Qun Inventor before: Zhu Lichun Inventor before: Wang Guanyun |
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Effective date of registration: 20171120 Address after: The economic development zone of Longgang road and Yaohai road junction Qi Garden real District of Hefei City, Anhui province 230000 two B group 39 building 803 room Patentee after: HEFEI ZAIDE MACROMOLECULE MATERIAL CO., LTD. Address before: 238339 Anhui city of Wuhu province Wuwei County New Industrial Park Patentee before: ANHUI HAIRONG CABLE CO., LTD. |
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Effective date of registration: 20171208 Address after: 239300 Tianchang Renhe Road, Anhui, Chuzhou, No. 20 Patentee after: Anhui Tiankang (Group) Co., Ltd. Address before: The economic development zone of Longgang road and Yaohai road junction Qi Garden real District of Hefei City, Anhui province 230000 two B group 39 building 803 room Patentee before: HEFEI ZAIDE MACROMOLECULE MATERIAL CO., LTD. |
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