CN209625904U - A kind of resistance to mud medium-pressure power cable used for oil platform - Google Patents
A kind of resistance to mud medium-pressure power cable used for oil platform Download PDFInfo
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- CN209625904U CN209625904U CN201920684861.4U CN201920684861U CN209625904U CN 209625904 U CN209625904 U CN 209625904U CN 201920684861 U CN201920684861 U CN 201920684861U CN 209625904 U CN209625904 U CN 209625904U
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Abstract
The utility model discloses a kind of resistance to mud medium-pressure power cables used for oil platform, when can solve existing cable and being exposed to drilling fluid for a long time, common cable sheath material will appear tensile strength reduction, volume expansion, the problems such as weight increases, influencing cable must continue to use, and the copper conductor structure that midium voltage cable conductor is generally pressed using round copper wire, at sea environment using the time for a period of time after, conductor will appear oxidative phenomena, increase the contact resistance of conductor, and cable needs to add filled layer in the fabrication process, the processing being in close contact is not done between conductor and endothecium structure before filling, filling space so as to cause filled layer is larger and has more air to stay in inside, the oxidation of conductor is accelerated to a certain extent.Including cable core, insulating protective layer and outer layer, the cable core includes three and is twisted molding conductor, and the insulating protective layer includes conductor shield, insulating layer, insulation screen, metal screen layer, packing.
Description
Technical field
The utility model relates to power transmission cable fields, and in particular to a kind of resistance to mud medium voltage electricity electricity used for oil platform
Cable.
Background technique
The oil platform of resistance to mud midium voltage cable is mainly used in platform upload transmission of electricity and can use.As electricity consumption large-scale on platform is set
Standby increase, electric power is increasing, and voltage class is higher and higher, also more and more, the resistance to mud of use of corresponding midium voltage cable
Slurry petroleum platform cable should have low smoke and zero halogen, fire-retardant, UV resistant, seawater corrosion resistance, resistance to mud, resistance to drilling fluid, outer diameter it is small,
The characteristics such as light-weight, when cable for a long time be exposed to drilling fluid when, common cable sheath material will appear tensile strength reduce,
The problems such as volume expansion, weight increase, influencing cable must continue to use, and midium voltage cable conductor is generally pressed using round copper wire
Copper conductor structure, at sea environment using the time for a period of time after, conductor will appear oxidative phenomena, increase conductor contact electricity
Resistance, and cable needs to add in the fabrication process filled layer, is not in close contact between conductor and endothecium structure before filling
Processing, the filling space so as to cause filled layer is larger and has more air to stay in inside, and also not to filling out after filling
It fills layer and carries out compression processing, cause filling not close, do not maximize the low smoke and zero halogen effect of filled layer, and have air
Remain in inside cable, this undoubtedly accelerates the oxidation of conductor to a certain extent.
Publication No.: the Chinese patent of CN203787152U discloses a kind of high-tension electricity of resistance to mud electricity used for oil platform
Cable, compared with the application text, the application text not only solves the petroleum platform cable of resistance to mud waterproof, resistance to mud, fire-retardant asks
The problem of inscribing, and also solving the petroleum platform cable of resistance to mud UV resistant, seawater corrosion resistance and the small, weight with outer diameter
Gently, tensile strength height, oxidation resistant feature.
Utility model content
The purpose of this utility model is to provide a kind of resistance to mud medium-pressure power cables used for oil platform, can solve existing
Cable for a long time when being exposed to drilling fluid, common cable sheath material will appear tensile strength reduction, volume expansion, weight
The problems such as increase, influencing cable must continue to use, and the copper conductor structure that midium voltage cable conductor is generally pressed using round copper wire,
At sea environment using the time for a period of time after, conductor will appear oxidative phenomena, increase the contact resistance of conductor, and cable exists
It needs to add filled layer in manufacturing process, the processing being in close contact is not done between conductor and endothecium structure before filling, to lead
It causes the filling space of filled layer larger and there is more air to stay in inside, and also filled layer is not carried out at compression after filling
Reason causes filling not close, does not maximize the low smoke and zero halogen effect of filled layer, and have air to remain in cable
Portion, this undoubtedly accelerates the oxidation of conductor to a certain extent.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of resistance to mud medium-pressure power cable used for oil platform, including cable core, insulating protective layer and outer layer, the cable core packet
It includes three and is twisted molding conductor, the insulating protective layer includes conductor shield, insulating layer, insulation screen, metallic shield
Layer, packing, the outer layer include inner sheath, armor, outer jacket, and the conductor outer layer is disposed with shielded layer, insulation
Layer, insulation screen, metal screen layer, the cable core are filled item package, and the outer layer of cable core for being filled item package is successively set
It is equipped with inner sheath, armor, outer jacket, the conductor presses tinned copper conductor by molded line and forms, and the conductor shield is by half
Conductive shielding layer composition, the insulating layer are made of crosslinked polyetylene insulated, and the insulation screen is by semiconductive shielding layer group
At the metal screen layer is made of copper strips lapped shielding layer, and the packing is made of low smoke and zero halogen sector packing, described
Inner sheath is made of high flame resistance, low smoke Halogen oil resistant cross-linking radiation polyolefin inner sheath, and the armor is by tinned copper wire or zinc-plated
Braided steel wire forms, and the outer jacket is made of the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud polyolefin oversheath.
Preferably, the outer layer is three-decker, and the penetralia of outer layer is high flame resistance, low smoke Halogen oil resistant cross-linking radiation
Polyolefin inner sheath, centre are armor made of tinned copper wire or zinc-coated wire braiding, and most external is high flame resistance, low smoke Halogen
The oil resistant cross-linking radiation of resistance to mud polyolefin oversheath.
Preferably, the thickness of the inner sheath is less than the thickness of outer jacket.
The manufacturing method of this kind of resistance to mud medium-pressure power cable used for oil platform, the specific steps are as follows:
Step 1: three conductors are processed in the processing of cable core respectively, and conductor, which uses, presses tinned copper conductor structure,
Conductor monofilament is drawn into special-shaped monofilament using xenotype mold, and conductor monofilament is twisted into conductor after tin plating again, after subsequent strand
Conductor compacting, compress coefficient in 0.9-0.99, make conductor monofilament and conductor monofilament void section less than 10%:
Step 2: cable core is wrapped up into insulating protective layer, first every conductor outer layer wraps up one layer of conductor shield, conductor screen
Covering layer is semiconductive shielding layer, and semiconductive shielding layer is made of polyethylene, carbon black, and polyethylene forms seamless as base-material, carbon black
Coating is plated on base-material, wraps up a layer insulating again in conductor shield outer layer after package conductor shield, insulating layer is crosslinking
Polyethylene insulation, then in insulating layer outer layer covers insulation screen, insulation screen is similarly semiconductive shielding layer, immediately
In insulation screen outer layer covers metal screen layer, metal screen layer is copper strips lapped shielding layer；
Step 3: the cable core for wrapping up insulating protective layer to three carries out the package of outer layer, first by three package insulating protections
The cable core of layer is arranged side by side and is close together, and then wraps up the cable core that three are wrapped up insulating protective layers using inner sheath, and
Packing is filled inside inner sheath, packing is required to the filling space to packing afterwards before filling and carries out pumping process, fills out
It fills item to be made of low smoke and zero halogen sector packing, inner sheath is by high flame resistance, low smoke Halogen oil resistant cross-linking radiation polyolefin inner sheath group
At and then in inner sheath outer layer covers armor, armor is woven by tinned copper wire or zinc-coated wire, finally, in armour
Layer outer layer covers outer jacket is filled, outer jacket is made of the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud polyolefin oversheath.
Preferably, the armor is reticular structure, and the mesh diameter size on armor is in 0.5-1mm.
Preferably, the filling space pumping process method of the packing is, by the external of inner sheath both ends and vacuator
Pipeline is connected, and the air between inner sheath and the cable core of three package insulating protective layers is extracted using vacuator, before filling
The extraction time is 1-2min, and the filled extraction time is 2-3min.
The utility model has the following beneficial effects:
1, conductor presses tinned copper conductor structure using two type lines, and conductor monofilament is drawn into special-shaped single using xenotype mold
Silk, then be twisted after tin plating, coefficient is compressed in 0.9-0.99, since fill factor reaches 97% or more, makes conductor list
Silk with conductor monofilament void section less than 10%, therefore compared with round stranded conductor, want by same nominal section and D.C. resistance
It asks down, molded line conductor structure has lesser conductor diameter, due to the reduction of conductor diameter, the weight of insulating protective layer and outer layer
Also it can reduce, reduce cable finished product outer diameter and mitigation cable overall weight to reach.
2, the construction of cable after cable core is wrapped up by insulating protective layer again by outer layer covers by the way of, and use inner sheath
On the one hand structure thin, outer jacket is thick can increase cable machinery protection intensity, extend cable service life, on the other hand may be used
To reduce cable overall weight to a certain extent, the cost of production and transport is reduced.
3, protective coverings of cable is extruded using the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud polyolefin oversheath, works as electricity
The problems such as cable is for a long time when being exposed to drilling fluid, is not in tensile strength reductions, volume expansion, weight increase, extension cable
Service life.
4, inside cable during adding filled layer, filling front and back is required to the outer of inner sheath both ends and vacuator
Adapter tube road is connected, and the sky that space is filled between inner sheath and the cable core of three package insulating protective layers is extracted using vacuator
Gas, and the extraction time before filling is 1-2min, and the filled extraction time is 2-3min, and extraction can be played pre- before filling
Filling space interior air is first rejected as far as possible, reduces filling space, and makes inner sheath and three pieces package insulating protective layers
Connection between cable core is even closer, and compression filled layer can be played by, which extracting after filling, makes the more high and low cigarette of package degree of filled layer
Halogen better effect, and filling space interior air is maximumlly rejected, conductor indium is avoided, service life is promoted.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model cable；
In figure: 1, conductor；2, conductor shield；3, insulating layer；4, insulation screen；5, metal screen layer；6, packing；
7, inner sheath；8, armor；9, outer jacket.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Refering to Figure 1, a kind of resistance to mud medium-pressure power cable used for oil platform, including cable core, insulating protective layer and
Outer layer, cable core include three and are twisted molding conductor 1, and insulating protective layer includes conductor shield 2, insulating layer 3, insulation screen
4, metal screen layer 5, packing 6, outer layer include inner sheath 7, armor 8, outer jacket 9, and 1 outer layer of conductor is disposed with shielding
Layer 2, insulating layer 3, insulation screen 4, metal screen layer 5, cable core is filled the package of item 6, and is filled outside the cable core of the package of item 6
Layer is disposed with inner sheath 7, armor 8, outer jacket 9, and conductor 1 presses tinned copper conductor by molded line and forms, conductor shield 2
It being made of semiconductive shielding layer, insulating layer 3 is made of crosslinked polyetylene insulated, and insulation screen 4 is made of semiconductive shielding layer,
Metal screen layer 5 is made of copper strips lapped shielding layer, and packing 6 is made of low smoke and zero halogen sector packing, and inner sheath 7 is by high resistant
Low smoke and zero halogen oil resistant cross-linking radiation polyolefin inner sheath composition is fired, armor 8 is woven by tinned copper wire or zinc-coated wire, outside
Sheath 9 is made of the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud polyolefin oversheath.
Outer layer is three-decker, and the penetralia of outer layer is shield in high flame resistance, low smoke Halogen oil resistant cross-linking radiation polyolefin
Set, when cable for a long time be exposed to drilling fluid when, be not in tensile strength reductions, volume expansion, weight increase the problems such as, prolong
The service life of long cable, centre are armor 8 made of tinned copper wire or zinc-coated wire braiding, and most external is high flame resistance, low smoke
The Halogen oil resistant cross-linking radiation of resistance to mud polyolefin oversheath, so that cable has low smoke and zero halogen, fire-retardant, UV resistant, resistance to sea
The characteristic of aqueous corrosion, resistance to mud.
The thickness of inner sheath 7 is less than the thickness of outer jacket 9, on the one hand can increase cable machinery protection intensity, extend electricity
On the other hand cable service life can reduce cable overall weight to a certain extent, reduce the cost of production and transport.
The manufacturing method of this kind of resistance to mud medium-pressure power cable used for oil platform, the specific steps are as follows:
Step 1: three conductors 1 are processed in the processing of cable core respectively, and conductor 1, which uses, presses tinned copper conductor knot
Structure, conductor monofilament are drawn into special-shaped monofilament using xenotype mold, and conductor monofilament is twisted into conductor 1, subsequent pair twist after tin plating again
Conductor 1 after conjunction presses, and compresses coefficient in 0.9-0.99, makes conductor monofilament and conductor monofilament void section less than 10%:
Step 2: cable core is wrapped up into insulating protective layer, first every 1 outer layer of conductor wraps up one layer of conductor shield 2, conductor
Shielded layer 2 is semiconductive shielding layer, and semiconductive shielding layer is made of polyethylene, carbon black, and polyethylene forms nothing as base-material, carbon black
Seam coating is plated on base-material, wraps up a layer insulating 3, insulating layer 3 again in 2 outer layer of conductor shield after package conductor shield 2
To be crosslinked polyetylene insulated, then in 3 outer layer covers insulation screen 4 of insulating layer, insulation screen 4 is similarly semiconductive screen
Layer is covered, and then in 4 outer layer covers metal screen layer 5 of insulation screen, metal screen layer 5 is copper strips lapped shielding layer；
Step 3: the cable core for wrapping up insulating protective layer to three carries out the package of outer layer, first by three package insulating protections
The cable core of layer is arranged side by side and is close together, and then wraps up the cable core that three are wrapped up insulating protective layers using inner sheath 7, and
Packing 6 is filled inside inner sheath 7, packing 6 is made of low smoke and zero halogen sector packing, inner sheath 7 by high flame resistance, low smoke without
Halogen oil resistant cross-linking radiation polyolefin inner sheath composition, and then in 7 outer layer covers armor 8 of inner sheath, armor 8 is by tin-coated copper
Silk or zinc-coated wire weave, and finally, in 8 outer layer covers outer jacket 9 of armor, outer jacket 9 is resistance to by high flame resistance, low smoke Halogen
The oily cross-linking radiation of resistance to mud polyolefin oversheath composition.
Armor 8 is reticular structure, and the mesh diameter size on armor 8 is in 0.5-1mm.
Packing 6 is required to for being connected with the external pipe of vacuator at 7 both ends of inner sheath before filling afterwards, utilizes evacuation
Machine extracts the air between inner sheath 7 and the cable core of three package insulating protective layers, and the extraction time before filling is 1-2min, fills out
The extraction time after filling is 2-3min, extracts to play before filling and rejects filling space interior air, contracting as far as possible in advance
Small filling space, and keep the connection between inner sheath and the cable core of three package insulating protective layers even closer, it is extracted after filling
Compression filled layer, which can be played, makes the more high and low cigarette Halogen better effect of the package degree of filled layer, and maximumlly rejects filling
Space interior air avoids conductor indium, promotes service life.
The utility model has the following beneficial effects: conductor 1 presses tinned copper conductor structure using two type lines, conductor monofilament is adopted
It is drawn into special-shaped monofilament with xenotype mold, then is twisted after tin plating, compresses coefficient in 0.9-0.99, due to fill factor
Reach 97% or more, makes conductor monofilament and conductor monofilament void section less than 10%, therefore compared with round stranded conductor, it is identical
Under nominal section and direct current resistance requirement, molded line conductor structure has lesser conductor diameter, due to the reduction of 1 outer diameter of conductor,
The weight of insulating protective layer and outer layer can also reduce, and reduce cable finished product outer diameter and mitigation cable overall weight to reach.
The construction of cable after cable core is wrapped up by insulating protective layer again by outer layer covers by the way of, and using inner sheath 7 it is thin,
On the one hand the thick structure of outer jacket 9 can increase cable machinery protection intensity, extend cable service life, on the other hand can be with
Reduce cable overall weight to a certain extent, reduces the cost of production and transport.
Protective coverings of cable 9 is extruded using the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud polyolefin oversheath, works as electricity
The problems such as cable is for a long time when being exposed to drilling fluid, is not in tensile strength reductions, volume expansion, weight increase, extension cable
Service life.
Inside cable during filling packing 6, filling front and back is required to the outer of inner sheath both ends and vacuator
Adapter tube road is connected, and the sky that space is filled between inner sheath and the cable core of three package insulating protective layers is extracted using vacuator
Gas, and the extraction time before filling is 1-2min, and the filled extraction time is 2-3min, and extraction can be played pre- before filling
Filling space interior air is first rejected as far as possible, reduces filling space, and makes inner sheath and three pieces package insulating protective layers
Connection between cable core is even closer, and compression filled layer can be played by, which extracting after filling, makes the more high and low cigarette of package degree of filled layer
Halogen better effect, and filling space interior air is maximumlly rejected, conductor indium is avoided, service life is promoted.
The cable of the utility model in the fabrication process, process three conductors 1 respectively, lead by the processing of first cable core
Body 1 is drawn into special-shaped monofilament using xenotype mold using tinned copper conductor structure, conductor monofilament is pressed, and conductor monofilament is again through tin plating
After be twisted into conductor 1, the conductor 1 after subsequent strand presses, compress coefficient in 0.9-0.99, make conductor monofilament and conductor list
Silk void section is less than 10%:
Then, cable core is wrapped up into insulating protective layer, first every 1 outer layer of conductor wraps up one layer of conductor shield 2, conductor screen
Covering layer 2 is semiconductive shielding layer, and semiconductive shielding layer is made of polyethylene, carbon black, and polyethylene forms seamless as base-material, carbon black
Coating is plated on base-material, wraps up a layer insulating 3 again in 2 outer layer of conductor shield after package conductor shield 2, insulating layer 3 is
Crosslinked polyetylene insulated, then in 3 outer layer covers insulation screen 4 of insulating layer, insulation screen 4 is similarly semi-conductive screen
Layer, and then in 4 outer layer covers metal screen layer 5 of insulation screen, metal screen layer 5 is copper strips lapped shielding layer；
And then, the cable core for wrapping up insulating protective layer to three carries out the package of outer layer, first by three package insulating protections
The cable core of layer is arranged side by side and is close together, and then wraps up the cable core that three are wrapped up insulating protective layers using inner sheath 7, and
Packing 6 is filled inside inner sheath 7, packing 6 is required to afterwards before filling by the external pipe at inner sheath 7 both ends and vacuator
It is connected, extracts the air between inner sheath 7 and the cable core of three package insulating protective layers using vacuator, the extraction before filling
Time is 1-2min, and the filled extraction time is 2-3min, and packing 6 is made of low smoke and zero halogen sector packing, inner sheath 7
It is made of high flame resistance, low smoke Halogen oil resistant cross-linking radiation polyolefin inner sheath, and then in 7 outer layer covers armor 8 of inner sheath,
Armor 8 is woven by tinned copper wire or zinc-coated wire, and finally, in 8 outer layer covers outer jacket 9 of armor, outer jacket 9 is by height
The flame-retardant low-smoke halogen-free oil resistant cross-linking radiation of resistance to mud polyolefin oversheath composition.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific embodiment that the utility model is only yet.Obviously, according to this specification
Content, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, be in order to preferably explain
The principles of the present invention and practical application, so that skilled artisan be enable to better understand and utilize this practical
It is novel.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of resistance to mud medium-pressure power cable used for oil platform, including cable core, insulating protective layer and outer layer, which is characterized in that
The cable core include three be twisted molding conductor (1), the insulating protective layer include conductor shield (2), insulating layer (3),
Insulation screen (4), metal screen layer (5), packing (6), the outer layer include inner sheath (7), armor (8), outer jacket
(9), conductor (1) outer layer is disposed with shielded layer (2), insulating layer (3), insulation screen (4), metal screen layer (5),
The cable core is filled item (6) package, and the outer layer of cable core for being filled item (6) package is disposed with inner sheath (7), armor
(8), outer jacket (9), the conductor (1) are pressed tinned copper conductor by molded line and are formed, and the conductor shield (2) is by semiconductive screen
Layer composition is covered, the insulating layer (3) is made of crosslinked polyetylene insulated, and the insulation screen (4) is by semiconductive shielding layer group
At the metal screen layer (5) is made of copper strips lapped shielding layer, and the packing (6) is by low smoke and zero halogen sector packing group
At, the inner sheath (7) is made of high flame resistance, low smoke Halogen oil resistant cross-linking radiation polyolefin inner sheath, the armor (8) by
Tinned copper wire or zinc-coated wire weave, and the outer jacket (9) is gathered by the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud
Alkene oversheath composition.
2. a kind of resistance to mud medium-pressure power cable used for oil platform according to claim 1, which is characterized in that the outer layer
For three-decker, and the penetralia of outer layer is high flame resistance, low smoke Halogen oil resistant cross-linking radiation polyolefin inner sheath, and centre is tin plating
Armor (8) made of copper wire or zinc-coated wire braiding, most external are poly- for the high flame resistance, low smoke Halogen oil resistant cross-linking radiation of resistance to mud
Alkene oversheath.
3. a kind of resistance to mud medium-pressure power cable used for oil platform according to claim 1, which is characterized in that the interior shield
The thickness for covering (7) is less than the thickness of outer jacket (9).
4. a kind of resistance to mud medium-pressure power cable used for oil platform according to claim 1, which is characterized in that the armouring
Layer (8) is reticular structure, and the mesh diameter size on armor (8) is in 0.5-1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920684861.4U CN209625904U (en) | 2019-05-14 | 2019-05-14 | A kind of resistance to mud medium-pressure power cable used for oil platform |
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| CN201920684861.4U CN209625904U (en) | 2019-05-14 | 2019-05-14 | A kind of resistance to mud medium-pressure power cable used for oil platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010297A (en) * | 2019-05-14 | 2019-07-12 | 安徽华宇电缆集团有限公司 | A kind of resistance to mud medium-pressure power cable used for oil platform and its manufacturing method |
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2019
- 2019-05-14 CN CN201920684861.4U patent/CN209625904U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010297A (en) * | 2019-05-14 | 2019-07-12 | 安徽华宇电缆集团有限公司 | A kind of resistance to mud medium-pressure power cable used for oil platform and its manufacturing method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A medium voltage power cable for mud resistant oil platform Effective date of registration: 20210602 Granted publication date: 20191112 Pledgee: Gaogou Branch of Anhui Wuwei Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI HUAYU CABLE GROUP Co.,Ltd. Registration number: Y2021980004200 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |