CN109243709B - Degassing assembly line for cable - Google Patents
Degassing assembly line for cable Download PDFInfo
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- CN109243709B CN109243709B CN201811057463.6A CN201811057463A CN109243709B CN 109243709 B CN109243709 B CN 109243709B CN 201811057463 A CN201811057463 A CN 201811057463A CN 109243709 B CN109243709 B CN 109243709B
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- degassing
- cable
- wire core
- frequency heating
- cables according
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
Abstract
The invention discloses a degassing assembly line for cables, which comprises: the vertical tower extruder is connected with the degassing room through a cable insulation wire core; the cable insulation wire core consists of a copper core stranded conductor and a shielding insulation layer, and the shielding insulation layer is wrapped on the outer wall of the copper core stranded conductor; a plurality of carrier rollers and the steering carrier roller are arranged between the vertical tower extruder and the degassing room; a plurality of high-frequency heating coils are installed between the two carrier rollers, the bottom end of each high-frequency heating coil is provided with an open circular ring, and the cable insulation wire core penetrates through the high-frequency heating coils. Through the mode, the degassing assembly line for the cable is used for heating a cable conductor through the high-frequency heating coil in the production process of the insulated wire core, so that the insulated wire core is heated while being produced, the online degassing effect is achieved, the degassing time can be saved, the production efficiency of the cable is improved, and the degassing effect is better.
Description
Technical Field
The invention belongs to the field of power cables, and particularly relates to a degassing assembly line for a cable.
Background
With the development strategy of islands and the rapid development of offshore renewable energy power generation, offshore wind power generation is rapidly expanded, and the demand of submarine high-voltage power cables is increasing. The domestic submarine cable manufacturer obtains the performance that a high-voltage 220kV alternating-current submarine cable has no factory joints for 30km, and the 500kV alternating-current submarine cable has no factory joints for 18km, and the domestic large-length 500kV direct-current submarine cable is also in the research and development process at present, so that the large-length submarine cable is manufactured as the trend of submarine cable development, and the traditional submarine cable degassing room heats air around the degassing room, but the effect is not ideal in the degassing process of the large-length submarine cable. Especially for the degassing of the direct current cable, because the design of the degassing room at present, the heat conduction of the insulated wire core is conducted from the outer layer of the insulated wire core to the inner layer of the insulated wire core, and the risk that space charges move to the inner layer of the insulated wire core exists due to the temperature gradient, and in the actual operation process of the direct current cable, the heat conduction of the insulated wire core is conducted from the inner layer of the insulated wire core to the outer layer of the insulated wire core, so that the risk that the space charges move reversely exists, and therefore, the potential safety risk exists for the direct current cable.
Disclosure of Invention
The invention mainly solves the technical problem of providing a degassing assembly line for cables, which can realize production and heating of insulated wire cores and achieve an online degassing effect.
In order to solve the technical problems, the invention adopts a technical scheme that: a degassing line for a cable, comprising: the vertical tower extruder is connected with the degassing room through a cable insulation wire core;
the cable insulation wire core consists of a copper core stranded conductor and a shielding insulation layer, and the shielding insulation layer is wrapped on the outer wall of the copper core stranded conductor;
a plurality of carrier rollers and the steering carrier roller are arranged between the vertical tower extruder and the degassing room;
a plurality of high-frequency heating coils are installed between the two carrier rollers, the bottom end of each high-frequency heating coil is provided with an open circular ring, and the cable insulation wire core penetrates through the high-frequency heating coils.
In a preferred embodiment of the present invention, the number of the high-frequency heating coils is three.
In a preferred embodiment of the invention, the degassing room is composed of an outer barrel and an inner barrel, a storage chamber is enclosed by the inner wall of the outer barrel and the outer wall of the inner barrel, the upper end of the storage chamber is provided with a heat insulation layer, the bottom end of the storage chamber is provided with a porous tray, and the lower end of the porous tray is provided with a ring heater and a high-pressure fan.
In a preferred embodiment of the present invention, a plurality of temperature sensors and a plurality of methane concentration sensors are installed on the outer cylinder wall and the inner cylinder wall.
In a preferred embodiment of the present invention, the temperature sensor and the methane concentration sensor are spaced from top to bottom.
In a preferred embodiment of the invention, the bottom of the outer barrel is provided with a rotary support and a travelling wheel.
In a preferred embodiment of the invention, the rotary support is composed of two discs.
In a preferred embodiment of the invention, the two disks are connected by a circular guide rail.
In a preferred embodiment of the present invention, an air outlet is disposed at a position close to the heat insulating layer at the upper end of the inner cylinder wall.
In a preferred embodiment of the present invention, an air inlet is formed at the upper end of the outer cylinder wall near the bottom of the outer cylinder.
The invention has the beneficial effects that: according to the degassing assembly line for the cable, the cable conductor is heated through the high-frequency heating coil in the production process of the insulated wire core, so that the insulated wire core is heated while being produced, the online degassing effect is achieved, the degassing time can be saved, the production efficiency of the cable is improved, and the degassing effect is better.
Drawings
Fig. 1 is a schematic view of a degassing line for cables.
Fig. 2 is a schematic structural diagram of a degassing room of a degassing pipeline for cables.
Fig. 3 is an enlarged partial cross-section of a degassing line a-a for a cable.
The parts in the drawings are numbered as follows: 1. an outer cylinder; 2. rotating and supporting; 3. a traveling wheel; 4. an inner barrel; 5. a heat-insulating layer; 6. a porous tray; 7. a ring heater; 8. a high pressure fan; 9. a temperature sensor; 10. a methane concentration sensor; 11. an air outlet; 12. an air inlet; 13. a copper core stranded conductor; 14. a shielding insulating layer; 15. a high-frequency heating coil; 16. a vertical tower extruder; 17. a degassing room; 18. a cable insulation core; 19. a carrier roller; 20. and turning to the carrier roller.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes: a degassing line for a cable, comprising: the device comprises a vertical tower extruder 16 and a degassing room 17, wherein the vertical tower extruder 16 is connected with the degassing room 17 through a cable insulation wire core 18, and the vertical tower extruder 16 is used for producing the cable insulation wire core 18.
The cable insulation core 18 is composed of a copper core stranded conductor 13 and a shielding insulation layer 14, and the shielding insulation layer 14 is wrapped on the outer wall of the copper core stranded conductor 13.
A plurality of carrier rollers 19 and a steering carrier roller 20 are installed between the vertical tower extruder 16 and the degassing room 17, the carrier rollers 19 are used for transporting the cable insulation wire cores 18, and the steering carrier roller 20 is used for steering the cable insulation wire cores 18 in the transporting process.
A plurality of high-frequency heating coils 15 are mounted between the two carrier rollers 19, the bottom end of each high-frequency heating coil 15 is provided with an open circular ring, the cable insulation wire core 18 penetrates through the high-frequency heating coils 15, and the high-frequency heating coils 15 are used for heating the cable insulation wire core 18 in the transportation process.
In the production process of the cable insulation wire core 18, the high-frequency heating coil 15 heats the cable insulation wire core 18, so that the cable insulation wire core 18 is heated while being produced, and an online degassing effect is achieved.
One or more high-frequency heating coils 15 may be arranged during the transportation of the cable insulated wire core 18 according to the diameter of the cable insulated wire core 18, and in the embodiment, the number of the high-frequency heating coils 15 is three.
The degassing chamber 17 is used for auxiliary heating, so that the cable insulation core 18 can reach the required temperature more quickly and uniformly after entering the degassing chamber 17.
The walking wheels 3 not only play a supporting role, but also enable the outer cylinder 1 to rotate more smoothly.
The rotary support 2 is composed of two disks, wherein one disk is fixed with the bottom surface of the outer cylinder 1, and the other disk is fixed with the ground.
The two disks are connected through a circular guide rail, and the guide rail enables the upper disk and the lower disk to rotate relatively, so that the outer cylinder 1 can rotate.
The inner tube 4 is installed in the outer tube 1, and the inner tube 4 is used for winding the cable insulated wire core 18, so that the cable insulated wire core 18 can be wound on the inner tube 4.
The top end of the inner cylinder 4 is provided with an opening so that gas can be discharged from the middle of the inner cylinder 4.
The inner wall of the outer barrel 1 and the outer wall of the inner barrel 4 are enclosed to form a storage chamber, the storage chamber is used for placing the cable insulation wire core 18 to be degassed, and the upper end of the storage chamber is provided with a heat preservation layer 5.
The bottom end of the storage chamber is provided with a perforated tray 6, and the perforated tray 6 is used for hot air to flow from bottom to top.
Annular heater 7 and high pressure positive blower 8 are installed to 6 lower extremes of porous tray, annular heater 7 with high pressure positive blower 8 makes high-pressure hot-air follow 6 bottom of porous tray gets into 18 layers of cable insulation sinle silk have guaranteed every layer 18 positions of cable insulation sinle silk all can be heated, make cable insulation sinle silk 18 degasification effect is better.
Porous tray 6 makes the hot-air be in 18 layers of cable insulation sinle silk are from up blowing down, every layer like this cable insulation sinle silk 18 all can receive the hot-air, cable insulation sinle silk 18 is heated relatively evenly, improves 18 whole degasification effects of cable insulation sinle silk because current degasification room air flow route is fuzzy, and the crosslinking accessory substance exhaust velocity after the degasification can be slower, and the hot-air is from upwards blowing down, can handle the crosslinking accessory substance that overflows in the cable insulation sinle silk 18 is directly taken out degasification room 17 reduces crosslinking accessory substance concentration in the degasification room 17 is more favorable to the crosslinking accessory substance spills over in the cable insulation sinle silk 18, improves 18 degasification effects of cable insulation sinle silk.
Annular heater 7 is in under high pressure positive blower 8's the effect, hot-air gets into 18 layers of cable insulation sinle silk, 18 in the process of coiling of cable insulation sinle silk have the gap, and hot-air can be along with the gap, up to the top 18 layers of cable insulation sinle silk to guarantee every layer 18 each positions of cable insulation sinle silk are heated and relatively even.
A plurality of temperature sensors 9 and a plurality of methane concentration sensors 10 are arranged on the wall of the outer barrel 1 and the wall of the inner barrel 4, the temperature sensors 9 feed back and adjust the power of the annular heater 7 and the power of the high-pressure fan 8, and the temperature of degassing of the cable insulation wire core 18 is adjusted in real time.
The methane concentration sensor 10 allows one to know in real time the degassing effect of the cable insulated core 18.
The temperature sensor 9 and the methane concentration sensor 10 are arranged from top to bottom at intervals, so that the degassing effect of the cable insulated wire core 18 of each layer is more balanced.
The upper end of the wall of the inner barrel 4 is close to the heat preservation layer 5, an air outlet 11 is formed in the position, close to the bottom of the outer barrel, of the upper end of the wall of the outer barrel 1, an air inlet 12 is formed in the position, close to the bottom of the outer barrel 1, of the upper end of the wall of the inner barrel 12 is matched with the air outlet 11, hot air can be made to rise and be discharged through the cable insulation wire core 18, the cable insulation wire core 18 is made to be balanced in heating, the cable insulation wire core 18.
Compared with the prior art, the degassing assembly line for the cable, disclosed by the invention, has the advantages that in the production process of the insulated wire core, the cable conductor is heated through the high-frequency heating coil, the production and heating of the insulated wire core are realized, the online degassing effect is achieved, the degassing time can be saved, the production efficiency of the cable is improved, and the degassing effect is better.
Insulating sinle silk heat-conduction is by insulating sinle silk inlayer to the outer conduction of insulating sinle silk in online degasification in-process, it is unanimous with the hot-conductive direction of cable operation process, to DC cable, this kind of degasification mode is safe and reliable more to the cable, according to insulating sinle silk diameter size, set up one or more high frequency heating coil when insulating sinle silk transportation, the room auxiliary heating that outgases, make the cable get into the room that outgases after more rapidly and even reach required temperature, the cable is getting into the room that outgases after more rapidly and reaching required temperature.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A degassing line for cables, comprising: the vertical tower extruder is connected with the degassing room through a cable insulation wire core;
the cable insulation wire core consists of a copper core stranded conductor and a shielding insulation layer, and the shielding insulation layer is wrapped on the outer wall of the copper core stranded conductor;
a plurality of carrier rollers and steering carrier rollers are arranged between the vertical tower extruder and the degassing room;
a plurality of high-frequency heating coils are installed between the two carrier rollers, the bottom end of each high-frequency heating coil is provided with an open circular ring, and the cable insulation wire core penetrates through the high-frequency heating coils.
2. A degassing line for cables according to claim 1, characterized in that: the number of the high-frequency heating coils is three.
3. A degassing line for cables according to claim 1, characterized in that: the degassing room comprises an urceolus and an inner tube, the urceolus inner wall with the inner tube outer wall encloses into a storeroom, the heat preservation is installed to the storeroom upper end, porous tray is installed to the storeroom bottom, annular heater and high pressure positive blower are installed to porous tray lower extreme.
4. A degassing line for cables according to claim 3, characterized in that: and a plurality of temperature sensors and a plurality of methane concentration sensors are arranged on the outer cylinder wall and the inner cylinder wall.
5. A degassing line for cables according to claim 4, characterized in that: the temperature sensor and the methane concentration sensor are arranged from top to bottom at intervals.
6. A degassing line for cables according to claim 3, characterized in that: and a rotary support and a travelling wheel are mounted at the bottom of the outer barrel.
7. A degassing line for cables according to claim 6, characterized in that: the rotary support consists of two discs.
8. A degassing line for cables according to claim 7, characterized in that: the two discs are connected through a circular guide rail.
9. A degassing line for cables according to claim 3, characterized in that: an air outlet is formed in the upper end of the inner cylinder wall and is close to the heat insulation layer.
10. A degassing line for cables according to claim 3, characterized in that: an air inlet is formed in the upper end of the outer cylinder wall and is close to the bottom of the outer cylinder.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057463.6A CN109243709B (en) | 2018-09-11 | 2018-09-11 | Degassing assembly line for cable |
| JP2020549862A JP7026815B2 (en) | 2018-09-11 | 2019-02-18 | Cable degassing production line |
| PCT/CN2019/075346 WO2020052201A1 (en) | 2018-09-11 | 2019-02-18 | Degassing pipeline for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057463.6A CN109243709B (en) | 2018-09-11 | 2018-09-11 | Degassing assembly line for cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109243709A CN109243709A (en) | 2019-01-18 |
| CN109243709B true CN109243709B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057463.6A Active CN109243709B (en) | 2018-09-11 | 2018-09-11 | Degassing assembly line for cable |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7026815B2 (en) |
| CN (1) | CN109243709B (en) |
| WO (1) | WO2020052201A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243709B (en) * | 2018-09-11 | 2020-07-10 | 江苏亨通高压海缆有限公司 | Degassing assembly line for cable |
| CN110470106A (en) * | 2019-09-03 | 2019-11-19 | 海南电网有限责任公司电力科学研究院 | A kind of power cable moisture removal platform and method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623760A (en) * | 1992-07-09 | 1994-02-01 | Furukawa Electric Co Ltd:The | Degassing method of crosslinked polyethylene cable |
| JP2002298673A (en) * | 2001-03-28 | 2002-10-11 | Furukawa Electric Co Ltd:The | Manufacturing method of crosslinked polyethylene insulation power cable |
| JP5023570B2 (en) * | 2006-06-21 | 2012-09-12 | トヨタ自動車株式会社 | Reinforcing electrolyte membrane and method for producing membrane electrode assembly |
| KR101591636B1 (en) * | 2012-12-11 | 2016-02-03 | 에이비비 테크놀로지 리미티드 | A method and an apparatus for heat treatment of an electric power cable |
| CN203397787U (en) * | 2013-07-03 | 2014-01-15 | 德阳博创电工设备有限公司 | Continuous aluminum extruder |
| EP2983176A1 (en) * | 2014-08-05 | 2016-02-10 | Nexans | Method for preparing a crosslinked cable |
| CN106024187A (en) * | 2016-07-01 | 2016-10-12 | 远东电缆有限公司 | Cross-linked polyethylene insulated power cable for smart energy in shallow seas and lakes and manufacturing method thereof |
| CN106128653A (en) * | 2016-08-15 | 2016-11-16 | 河南开启电力实业有限公司 | Medium and high voltage cable cross-linking production line depassing unit |
| CN109243709B (en) * | 2018-09-11 | 2020-07-10 | 江苏亨通高压海缆有限公司 | Degassing assembly line for cable |
| CN209000630U (en) * | 2018-09-11 | 2019-06-18 | 江苏亨通高压海缆有限公司 | A kind of cable degasification assembly line |
-
2018
- 2018-09-11 CN CN201811057463.6A patent/CN109243709B/en active Active
-
2019
- 2019-02-18 JP JP2020549862A patent/JP7026815B2/en active Active
- 2019-02-18 WO PCT/CN2019/075346 patent/WO2020052201A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021506093A (en) | 2021-02-18 |
| WO2020052201A1 (en) | 2020-03-19 |
| CN109243709A (en) | 2019-01-18 |
| JP7026815B2 (en) | 2022-02-28 |
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Effective date of registration: 20220114 Address after: 215500 No.8, Tongda Road, Changshu Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Hengtong Submarine Power Cable Co.,Ltd. Patentee after: JIANGSU HENGTONG WIRE&CABLE TECHNOLOGY Co.,Ltd. Address before: 215500 No.8, Tongda Road, Changshu Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: Hengtong Submarine Power Cable Co.,Ltd. |
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