CN115206593A - Submarine cable production system, submarine cable production method and submarine cable - Google Patents
Submarine cable production system, submarine cable production method and submarine cable Download PDFInfo
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- CN115206593A CN115206593A CN202210764479.0A CN202210764479A CN115206593A CN 115206593 A CN115206593 A CN 115206593A CN 202210764479 A CN202210764479 A CN 202210764479A CN 115206593 A CN115206593 A CN 115206593A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
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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
- H01B13/06—Insulating conductors or cables
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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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
- H01B13/262—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping of an outer metallic screen
Abstract
The invention provides a submarine cable production system, a submarine cable production method and a submarine cable. The production system of submarine cable includes setting gradually: a crosslinking production device for forming a conductor shield layer, an insulating layer and an insulating shield layer outside the conductor; the lead extrusion sleeve and sheath production equipment is used for sequentially forming a lead sleeve and a sheath outside the insulation shielding layer; a ground rotating disc; the armor production equipment is used for forming an armor layer outside the sheath; the rotary disc comprises a base, an introducing part and a disc discharging part, wherein the introducing part is used for introducing a first submarine cable semi-finished product processed by the lead extruding sleeve and the sheath production equipment into the disc discharging part, and the disc discharging part is used for storing or discharging the first submarine cable semi-finished product; the leading-in part and the disc-out part are both rotatably arranged on the base, and the leading-in part can rotate relative to the disc-out part. In the technical scheme of the invention, the lead extrusion sleeve, the sheath production equipment and the armor production equipment of the submarine cable production system can be synchronously produced, so that the problem of damage to submarine cables can be avoided.
Description
Technical Field
The invention relates to the technical field of submarine cables, in particular to a submarine cable production system, a submarine cable production method and a submarine cable.
Background
Based on the rapid development of offshore wind power, future submarine cable products will develop towards the directions of green, low carbon, low cost, large length and deep sea.
At present, the steel wire needs to be replaced in the armor production process of the submarine cable in the industry, and because the replacement of the steel wire usually needs several hours, the submarine cable produced by extruding the lead sleeve and the sheath can not be armored in time, namely, the production of the extruding lead sleeve and the sheath can not be synchronous with the armor production, so that the submarine cable needs to be rewound many times in the production process, and the submarine cable is easily damaged.
Disclosure of Invention
The invention mainly aims to provide a submarine cable production system, a submarine cable production method and a submarine cable.
In order to achieve the above object, according to one aspect of the present invention, there is provided a submarine cable production system comprising, in order: a crosslinking production device for forming a conductor shield layer, an insulating layer and an insulating shield layer outside the conductor; the lead extrusion sleeve and sheath production equipment is used for sequentially forming a lead sleeve and a sheath outside the insulation shielding layer; a ground rotating disc; the armor production equipment is used for forming an armor layer outside the sheath; the rotary disc comprises a base, an introduction part and a disc-out part, wherein the introduction part is used for introducing the first submarine cable semi-finished product processed by the lead extrusion sleeve and the sheath production equipment into the disc-out part, and the disc-out part is used for storing or exporting the first submarine cable semi-finished product; the leading-in part and the disc-out part are both rotatably arranged on the base, and the leading-in part can rotate relative to the disc-out part.
Further, the introduction part includes: the vertical bracket is connected with the base; the horizontal support is fixedly arranged on the vertical support, one end, far away from the vertical support, of the horizontal support is provided with a guiding piece, and the guiding piece is used for guiding a first submarine cable semi-finished product into the disc outlet portion.
Furthermore, the disc-out part comprises at least two cylindrical structures and at least one rotary disc, the at least two cylindrical structures are arranged in sequence along the outward direction of the rotation center of the disc-out part, and a disc outlet is formed in the side wall of each cylindrical structure; a turntable is arranged between any two adjacent cylindrical structures and can rotate relative to the base, and the two adjacent cylindrical structures and the corresponding turntable jointly enclose a cable coiling space; the leading-in piece is arranged in leading-in the dish cable space that is arranged in the most inboard with first extra large cable semi-manufactured goods, and dish cable space and dish export intercommunication, first extra large cable semi-manufactured goods are exported through the dish export that is arranged in the most outside.
Furthermore, the production system also comprises a quick degassing device, the quick degassing device is positioned between the cross-linking production device and the lead extrusion sleeve and sheath production device, and the quick degassing device is used for quickly degassing the second submarine cable semi-finished product processed by the cross-linking production device; the rapid degassing apparatus comprises: the outer shell is provided with an inlet and an outlet, the outer shell surrounds a degassing space, and the inlet and the outlet are both communicated with the degassing space; at least two guide wheel assemblies are arranged in the degassing space at intervals, and the guide wheel assemblies are used for supporting the second submarine cable semi-finished product; and the heating assembly is arranged in the degassing space and is used for heating the air in the degassing space.
Furthermore, the guide wheel assemblies are annular, at least two guide wheel assemblies are arranged outwards along the centers of the guide wheel assemblies at intervals in sequence, inlets are arranged corresponding to the guide wheel assemblies positioned at the innermost side, and outlets are arranged corresponding to the guide wheel assemblies positioned at the outermost side; the heating assembly comprises an outer side heating structure and an inner side heating structure, the outer side heating structure is arranged on the periphery of the guide wheel assembly located on the outermost side to heat from outside to inside, and the inner side heating structure is arranged in an annular cavity of the guide wheel assembly located on the innermost side to heat from inside to outside.
Furthermore, the outer side heating structure comprises a fan and a heating box, the fan is communicated with the heating box, the fan is used for guiding air in the degassing space to the heating box, the heating box is used for heating the air, and the heated air can be discharged into the degassing space through an outlet of the heating box; and/or the heating assembly comprises at least two outer side heating structures which are arranged at intervals along the circumferential direction of the guide wheel assembly positioned at the outermost side.
Furthermore, the rapid degassing equipment also comprises an inner shell, the inner shell is arranged in an annular cavity of the guide wheel assembly positioned at the innermost side, the inner shell and the outer shell jointly enclose a degassing space, an air outlet is arranged on the inner shell, and the inner cavity of the inner shell is communicated with the degassing space through the air outlet; an inner heating structure is disposed on the inner housing to provide heated air into the interior cavity of the inner housing.
Furthermore, a fan is arranged on the top wall of the outer shell and used for blowing hot air above the degassing space downwards; and/or the inlet and the outlet are provided with sealing elements, and the submarine cable passes through the inlet and the outlet and is in sealing fit with the sealing elements.
According to another aspect of the present invention, there is provided a method for producing a submarine cable using the submarine cable production system described above, the method comprising: a cross-linking production step of forming a conductor shield layer, an insulating layer and an insulating shield layer outside a conductor; a lead extruding sleeve and a sheath production step of sequentially forming a lead sleeve and a sheath outside the insulation shielding layer; a reel circulation step of storing or transporting the first submarine cable semi-finished product by the reel; and an armor production step of forming an armor layer outside the sheath, so that the submarine cable comprises a conductor, a conductor shielding layer, an insulating shielding layer, a lead sleeve, the sheath and the armor layer which are sequentially arranged from inside to outside; wherein, the insulating layer is made of insulating materials capable of being degassed rapidly in the cross-linking production step.
Further, when the armor production step requires replacement of armor wires for processing into an armor layer of a submarine cable, the reel circulation step includes: and a first adjusting step of synchronously rotating the leading-in part and the disc-out part and having the same production speed as that of the lead extruding sleeve and sheath production step so as to store the first submarine cable semi-finished product to the disc-out part.
Further, after the armor wires are replaced in the armor production step, the rotating disc flowing step comprises the following steps: and a second adjusting step of enabling the export speed of the coiling part to be the same as the production speed of the armor production step, and enabling the sum of the production speed of the lead extruding sleeve and sheath production step and the import speed of the import part to be equal to the export speed of the coiling part, so that the first submarine cable semi-finished product stored to the coiling part in the armor wire replacing process is guided to the armor production step for armor production.
Further, after the first submarine cable semi-finished product stored to the coiling part in the process of replacing the armor wires is completely discharged, in the continuous production process, the production speed of the production step of the lead extruding sleeve and the sheath, the introduction speed of the introduction part, the discharge speed of the coiling part and the production speed of the armor production step are the same.
Furthermore, the production method of the submarine cable further comprises a conductor paying-off step, a lapping production step and a finished cable take-up step, wherein the conductor paying-off step is positioned before the cross-linking production step, the lapping production step is positioned between the cross-linking production step and the lead sleeve and sheath extruding production step, and the finished cable take-up step is positioned after the armor production step; and/or the rapid degassing insulation material is crosslinked polyethylene.
According to still another aspect of the present invention, there is provided an submarine cable prepared by the above-described method for producing a submarine cable.
By applying the technical scheme of the invention, the crosslinking production equipment is used for forming the conductor shielding layer, the insulating layer and the insulating shielding layer outside the conductor. The lead extrusion sleeve and sheath production equipment is used for sequentially forming a lead sleeve and a sheath outside the insulation shielding layer. Armor production equipment is used to form an armor layer outside the jacket. Because the armoring silk is changed in the armor production process and is needed the change cycle, consequently, need to circulate through the ground carousel after the first submarine cable semi-manufactured goods production, store, still can normal operating with the crowded plumbous cover of assurance armoring silk in-process change armoring production facility and sheath production facility, thereby make crosslinked production facility, crowded plumbous cover and sheath production facility and armor production facility can produce in step, need not to carry out submarine cable crosslinked production, crowded plumbous cover and sheath production, the armor production separately goes on, and then can avoid needing cable rewinder many times in the production process, cause the problem of damage to the submarine cable easily.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic flow diagram of an embodiment of a system for production of a submarine cable according to the invention;
fig. 2 shows another schematic flow diagram of the production system of the submarine cable of fig. 1;
fig. 3 shows a front view of a turntable of the production system of the submarine cable of fig. 1;
FIG. 4 shows a top view of the ground turntable of FIG. 3;
fig. 5 shows a cross-sectional view of a fast degassing apparatus of the production system of a submarine cable of fig. 2;
FIG. 6 shows a top view of the rapid degassing apparatus of FIG. 5;
FIG. 7 shows a schematic structural view of a sea cable guide pulley structure of the rapid degassing apparatus of FIG. 5; and
fig. 8 shows a cross-sectional view of an embodiment of a submarine cable according to the present invention.
Wherein the figures include the following reference numerals:
10. a ground rotating disc; 11. an introduction section; 111. a vertical support; 112. a transverse support; 12. a plate-out part; 121. a tubular structure; 122. a turntable; 13. a cable coiling space; 21. an outer housing; 211. an inlet; 212. an outlet; 213. a degassing space; 22. a guide wheel assembly; 23. a heating assembly; 231. an outer heating structure; 232. an inner heating structure; 233. a fan; 234. a heating box; 24. an inner housing; 25. a fan; 26. a sea cable guide wheel structure; 261. a guide wheel bracket; 262. a limiting guide wheel; 263. supporting guide wheels; 31. a water blocking conductor; 32. a conductor shield layer; 33. an insulating layer; 34. an insulating shield layer; 35. a water blocking tape layer; 36. a lead sleeve; 37. a sheath; 38. PE strips; 39. a light unit; 40. an inner liner layer; 41. a steel wire; 42. and a tegument layer.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, the use of directional terms such as "upper, lower, top, bottom" or the like, generally refers to the orientation of the components as shown in the drawings, or to the vertical, perpendicular, or gravitational orientation of the components themselves; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
Based on the rapid development of offshore wind power, future submarine cable products will develop towards the directions of green, low carbon, low cost, large length and deep sea.
At present, the submarine cable in the industry has the following problems:
1. degassing is needed after the crosslinking production, so that the production period and the production cost of the submarine cable are increased;
2. need change the steel wire in the armor production process, because it often needs several hours to change the steel wire, consequently, the sea cable after crowded lead sheathing and sheath production can't in time carry out the armor production, crowded lead sheathing and sheath production can't be in step with the armor production promptly, sea cable cross-linking production, crowded lead sheathing production, armor production separately go on, lead to the production in-process to need cable rewinding many times, cause the damage to the sea cable surface at the cable rewinding in-process easily, lead to the production cycle long, seriously restrict the production productivity of sea cable.
In order to solve the above problems, the present invention and embodiments of the present invention provide a submarine cable production system, a submarine cable production method, and a submarine cable.
As shown in fig. 1 and 3, in the embodiment of the present invention, a production system of a submarine cable includes a crosslinking production apparatus for forming a conductor shield, an insulation layer, and an insulation shield outside a conductor, an extrusion sheath and sheath production apparatus, a rotating disk 10, and an armor production apparatus, which are arranged in this order; the lead extrusion sleeve and sheath production equipment is used for sequentially forming a lead sleeve and a sheath outside the insulation shielding layer; the armor production equipment is used for forming an armor layer outside the sheath; the rotary plate 10 comprises a base, an introducing part 11 and a plate-out part 12, wherein the introducing part 11 is used for introducing the first submarine cable semi-finished product processed by the lead extruding sleeve and sheath production equipment into the plate-out part 12, and the plate-out part 12 is used for storing or exporting the first submarine cable semi-finished product; the introducing portion 11 and the disc discharging portion 12 are both rotatably provided on the base, and the introducing portion 11 is rotatable with respect to the disc discharging portion 12.
In the above arrangement, the crosslinking production apparatus is used to form the conductor shield layer, the insulating layer, and the insulation shield layer outside the conductor. The lead extrusion sleeve and sheath production equipment is used for sequentially forming the lead sleeve and the sheath outside the insulation shielding layer. Armor production equipment is used for forming an armor layer outside a sheath.
Because the armoring silk (for example steel wire) is changed and is needed the change cycle in the armor production process, therefore, need to circulate through ground carousel 10 after the semi-manufactured goods production of first submarine cable, store, in order to guarantee that crowded lead cover and sheath production facility still can normal operating in the armoring production facility change armoring silk in-process, thereby make the cross-linking production facility, crowded lead cover and sheath production facility and armor production facility can produce in step, need not submarine cable cross-linking production, crowded lead cover and sheath production, the armor production separately goes on, and then can avoid needing many times of cable rewinds in the production process, cause the problem of damage to the submarine cable easily.
After the armor wires are replaced, the first submarine cable semi-finished product stored at the ground turntable 10 is transferred to armor production equipment for armor production.
The base has a function of mounting and supporting the introducing portion 11 and the tray discharging portion 12. Leading-in portion 11 can be with the leading-in portion of rolling out 12 of first submarine cable semi-manufactured goods, changes armoring silk in-process portion of rolling out 12 and can store first submarine cable semi-manufactured goods, has changed armoring silk back rolling out 12 and can derive first submarine cable semi-manufactured goods, makes first submarine cable semi-manufactured goods circulate to armor production facility and carries out armor production.
After the first submarine cable semi-finished product is produced, the first submarine cable semi-finished product enters the disc-out part 12 through the inlet part 11 and is led out of the disc-out part 12.
The leading-in part 11 and the dish portion of going out 12 are rotatable for the base all, and can take place relative rotation between leading-in part 11 and the dish portion of going out 12, can control the slew velocity of leading-in part 11 and dish portion of going out 12 like this according to actual conditions and actual need, improve production flexibility and adaptability. For example, in the process of replacing the armor wires, the first submarine cable semi-finished product needs to be stored to the disc-out part 12, at this time, the lead-in part 11 and the disc-out part 12 can be synchronously rotated, and the production speed of the lead extrusion sleeve and the sheath production equipment is the same as that of the lead extrusion sleeve and the sheath production equipment, so that the first submarine cable semi-finished product processed by the lead extrusion sleeve and the sheath production equipment can be stored to the disc-out part 12; or, when the first submarine cable semi-finished product stored at the coiling part 12 needs to be led out after the replacement of the armor wires, the rotation speed of the coiling part 12 is the same as the production speed of the armor production equipment, the leading-in part 11 rotates relative to the coiling part 12, the sum of the production speed of the lead extrusion sleeve and sheath production equipment and the rotation speed of the leading-in part 11 relative to the coiling part 12 is equal to the production speed of the armor production equipment, and therefore the first submarine cable semi-finished product stored at the coiling part 12 is gradually led out for armor production.
In the embodiment of the invention, the cross-linking production, the production of the extruded lead sleeve and the sheath and the armor production can be synchronously carried out, the production period of the submarine cable is shortened, the cable rewinding process of the submarine cable is reduced, the production risk of the submarine cable is reduced, the production efficiency and the production capacity are improved, and the problem that the cable surface quality is damaged due to repeated cable rewinding is avoided.
In the embodiment of the invention, the first submarine cable semi-finished product is a sheath core product which is produced after being processed by the lead extrusion sheath and the sheath production equipment and has the outermost sheath.
It should be noted that in the embodiments of the present invention, the cross-linking production equipment, the lead extrusion sheath and jacket production equipment, and the armor production equipment may be any equipment that is conventional in the art.
As shown in fig. 3 and 4, in the embodiment of the present invention, the introduction part 11 includes a vertical bracket 111, a horizontal bracket 112, and an introduction member, and the vertical bracket 111 is connected to the base; the transverse bracket 112 is fixedly arranged on the vertical bracket 111, and one end of the transverse bracket 112, which is far away from the vertical bracket 111, is provided with a guiding piece, and the guiding piece is used for guiding the first submarine cable semi-finished product into the winding-out part 12.
In the above arrangement, the vertical bracket 111 rotates relative to the base, and drives the horizontal bracket 112 and the guiding member to rotate, so as to achieve the purpose that the guiding portion 11 can rotate relative to the base. The vertical bracket 111 and the lateral bracket 112 are used to support the lead-in. The purpose of introducing the first sea cable semifinished product into the disc discharge portion 12 can be achieved by the introducing member.
In an embodiment of the invention, the lead-in member is a well-shaped wheel. The foremost end of the transverse bracket 112 is provided with a cross-shaped wheel which is formed by welding four iron guide wheels with the length of at least 0.5m, so that the first submarine cable semi-finished product is ensured to be contacted with the guide wheels in the process of entering the rotating disc, and the first submarine cable semi-finished product is prevented from being damaged.
As shown in fig. 3 and 4, in the embodiment of the present invention, the disc-out portion 12 includes at least two cylindrical structures 121 and at least one rotating disc 122, the at least two cylindrical structures 121 are disposed in sequence along the outward direction of the rotation center of the disc-out portion 12, and a disc outlet is disposed on the sidewall of each cylindrical structure 121; a turntable 122 is arranged between any two adjacent cylindrical structures 121, the turntable 122 is rotatably arranged relative to the base, and the two adjacent cylindrical structures 121 and the corresponding turntable 122 jointly enclose a cable coiling space 13; the leading-in piece is used for leading-in the first submarine cable semifinished product in being located the dish cable space 13 of innermost side, and dish cable space 13 and dish export intercommunication, first submarine cable semifinished product are exported through being located the dish export of outermost side.
In the above arrangement, two adjacent tubular structures 121 and the corresponding rotary table 122 jointly enclose a cable coiling space 13, the cable coiling space 13 is communicated with a cable coiling outlet, and the rotary table 122 rotates relative to the base to drive the first submarine cable semi-finished product located in the cable coiling space 13 to move and finally be led out through the cable coiling outlet, so that the purpose of storing or leading out the first submarine cable semi-finished product by the cable coiling outlet 12 is achieved.
In an embodiment of the present invention, the height of the cylindrical structure 121 is greater than the outer diameter of the sheath. I.e. the height of the cylindrical structure 121 is larger than the outer diameter of the single-layer first submarine cable semi-finished product. By the arrangement, the height of the rotary plate can be greatly reduced, and the production cost is reduced.
In the embodiment of the present invention, the number of the cylindrical structures 121 is two, the number of the rotating discs 122 is one, the two cylindrical structures 121 enclose an annular space, and the rotating discs 122 are annular rotating discs. Of course, in an alternative embodiment of the present application, the number of the cylindrical structures 121 may also be at least three, and correspondingly, the number of the rotating discs 122 is at least two, for example, the number of the cylindrical structures 121 is three, and correspondingly, the number of the rotating discs 122 is two, the radial dimensions of the three cylindrical structures 121 sequentially increase, the radial dimensions of the two rotating discs 122 sequentially increase, outward along the rotation center of the disc-out portion 12, the three cylindrical structures 121 and the two rotating discs 122 are sequentially and alternately arranged, and the two rotating discs 122 are independent of each other and both can rotate relative to the base.
In an embodiment of the present invention, as shown in fig. 2, the production system further includes a quick degassing device, the quick degassing device is located between the cross-linking production device and the lead extruding sleeve and sheath production device, and the quick degassing device is configured to perform quick degassing on the second submarine cable semi-finished product processed by the cross-linking production device. Can carry out quick degasification to the second sea cable semi-manufactured goods of production after cross-linking production facility handles through quick degasification equipment, improve the sea cable quality.
In the embodiment of the present invention, the second submarine cable semi-finished product is an insulated wire core product which is produced after being processed by the cross-linking production equipment and has an outermost layer of an insulation shielding layer.
Preferably, the turntable 10 further comprises a first driving structure for driving the vertical support 111 to rotate relative to the base and a second driving structure for driving the turntable 122 to rotate relative to the base.
As shown in fig. 5 and 6, in the embodiment of the present invention, the rapid degassing apparatus includes an outer casing 21, at least two guide wheel assemblies 22, and a heating assembly 23, an inlet 211 and an outlet 212 are provided on the outer casing 21, the outer casing 21 encloses a degassing space 213, and both the inlet 211 and the outlet 212 are communicated with the degassing space 213; at least two guide wheel assemblies 22 are arranged in the degassing space 213 at intervals, and the guide wheel assemblies 22 are used for supporting the second submarine cable semi-finished product; a heating assembly 23 is disposed in the degassing space 213, and the heating assembly 23 is used to heat the air in the degassing space 213.
In the above arrangement, the second sea cable semi-finished product enters the degassing space 213 through the inlet 211, is subjected to degassing treatment, and is discharged through the outlet 212. In the degassing space 213, the guide wheel assembly 22 supports the second sea cable semifinished product in order to degas it. At least two guide pulley assemblies 22 interval sets up, can carry out stable support to the second submarine cable semi-manufactured goods. The heating assembly 23 is used for heating the air in the degassing space 213, so that the air in the degassing space 213 is heated, the second submarine cable semi-finished product is degassed, and the purpose of rapidly degassing the second submarine cable semi-finished product by the rapid degassing equipment is achieved.
As shown in fig. 6, in the embodiment of the present invention, the guide wheel assemblies 22 are annular, at least two guide wheel assemblies 22 are sequentially spaced from each other toward the outside along the center of the guide wheel assembly 22, the inlet 211 is disposed corresponding to the innermost guide wheel assembly 22, and the outlet 212 is disposed corresponding to the outermost guide wheel assembly 22.
In the above arrangement, the second sea cable semi-finished product enters the degassing space 213 through the inlet 211 and is gradually conducted to the guide wheel assembly 22 located at the outermost side through the guide wheel assembly 22 located at the innermost side, the spreading area of the second sea cable semi-finished product in the degassing space 213 is large, the degassing efficiency can be improved, and the second sea cable semi-finished product supported on the guide wheel assembly 22 located at the outermost side is finally led out through the outlet 212.
As shown in fig. 5-7, in an embodiment of the present invention, guide wheel assembly 22 includes a plurality of submarine cable guide wheel structures 26, with the plurality of submarine cable guide wheel structures 26 being spaced around the central axis of guide wheel assembly 22 to form an annular guide wheel assembly 22. The submarine cable guide wheel structure 26 comprises a guide wheel support 261, a limiting guide wheel 262 and a supporting guide wheel 263, the limiting guide wheel 262 and the supporting guide wheel 263 jointly act to form a guide space, and the limiting guide wheel 262 is used for limiting the second submarine cable semi-finished product, preventing the second submarine cable semi-finished product from deviating from the guide space in the production process, and ensuring that the second submarine cable semi-finished product moves along the guide space. All of the cable guide roller structures 26 are placed in turn in the outer casing 21 in a circular ring around the inner casing 24. Support guide wheel 263 is arranged on guide wheel bracket 261 along the horizontal direction, support guide wheel 263 is rotatable relative to guide wheel bracket 261, limit guide wheel 262 is arranged on guide wheel bracket 261 along the vertical direction, limit guide wheel 262 is rotatable relative to guide wheel bracket 261, each guide wheel bracket 261 is correspondingly provided with one support guide wheel 263, each guide wheel bracket 261 is correspondingly provided with four limit guide wheels 262, the four limit guide wheels 262 are arranged in rows and columns, and support guide wheel 263 is positioned between two lines of limit guide wheels 262. The second submarine cable semi-finished product is in sliding fit with the supporting guide wheel 263 and the limiting guide wheel 262, and damage can be avoided.
It should be noted that in the embodiment of the present invention, the production speed of the cross-linking production equipment is x meters per hour, and the time required for the rapid degassing of the semi-finished second submarine cable is n1 hours, that is, the rapid degassing equipment is required to be capable of storing the semi-finished second submarine cable at least x n1 meters, the production speeds of the cross-linking production of different submarine cables are not consistent, and the time required for the rapid degassing is not consistent, and the number of guide wheel assemblies 22 and/or submarine cable guide wheel structures 26 in the rapid degassing equipment can be increased or decreased according to different submarine cables.
As shown in fig. 5 and 6, in the embodiment of the present invention, the heating assembly 23 includes an outer heating structure 231 and an inner heating structure 232, the outer heating structure 231 is disposed at the outer periphery of the guide wheel assembly 22 located at the outermost side to heat from the outside to the inside, and the inner heating structure 232 is disposed in the annular cavity of the guide wheel assembly 22 located at the innermost side to heat from the inside to the outside.
In the above arrangement, the outer heating structure 231 heats from the outside to the inside, and the inner heating structure 232 heats from the inside to the outside, thereby improving the degassing efficiency.
As shown in fig. 5, in the embodiment of the present invention, the outside heating structure 231 includes a blower fan 233 and a heating box 234, the blower fan 233 is communicated with the heating box 234, the blower fan 233 is used for guiding the air in the degassing space 213 to the heating box 234, the heating box 234 is used for heating the air, and the heated air can be discharged into the degassing space 213 through an outlet of the heating box. The heated air can heat and degas the second submarine cable semi-finished product from outside to inside.
In the embodiment of the present invention, the specific structure of the inner heating structure 232 is the same as the specific structure of the outer heating structure 231, and is not described herein again.
As shown in fig. 5 and 6, in the embodiment of the present invention, the heating assembly 23 includes at least two outer heating structures 231, and the at least two outer heating structures 231 are spaced apart from each other along the circumferential direction of the outermost guide pulley assembly 22. By such an arrangement, the efficiency of the heating from the outside to the inside can be improved, thereby improving the degassing efficiency.
In an embodiment of the present invention, at least two outer heating structures 231 are uniformly spaced apart.
As shown in fig. 5 and fig. 6, in the embodiment of the present invention, the rapid degassing apparatus further includes an inner housing 24, the inner housing 24 is disposed in an annular cavity of the guide wheel assembly 22 located at the innermost side, the inner housing 24 and the outer housing 21 together define a degassing space 213, the inner housing 24 is provided with an air outlet, and an inner cavity of the inner housing 24 is communicated with the degassing space 213 through the air outlet; an inner heating structure 232 is provided on the inner housing 24 to provide heated air into the interior cavity of the inner housing 24.
In the above arrangement, the inner heating structure 232 blows the heated air into the inner cavity of the inner housing 24, the hot air in the inner housing 24 is discharged to the degassing space 213 through the air outlet, and the inner housing 24 is disposed in the annular cavity of the innermost guide wheel assembly 22, so that the hot air blown from the air outlet can heat and degas the second submarine cable semi-finished product from the inside to the outside.
In the embodiment of the present invention, the fans 233 and the heating boxes 234 cooperate to provide hot air flow to the degassing space 213, the temperature can be adjusted according to different types of sea cables, four sets of fans 233 and heating boxes 234 are disposed around the guide wheel assembly 22 in the outer housing 21, and one set of fans 233 and heating boxes 234 is disposed above the inner housing 24.
As shown in fig. 5, in the embodiment of the present invention, a fan 25 is disposed on the top wall of the outer casing 21, and the fan 25 is used for blowing down the hot air above the degassing space 213 to keep the hot air flowing in the degassing space 213.
In an embodiment of the present invention, a sealing member is provided at each of the inlet 211 and the outlet 212, and the submarine cable passes through the inlet 211 and the outlet 212 and is in sealing engagement with the sealing member.
Specifically, as shown in fig. 5 and 6, in the embodiment of the present invention, the degassing space 213 is a vacuum space, the inside heating structure 232 blows hot air into the inner casing 24 from above, and the hot air in the inner casing 24 flows from the air outlet from inside to outside, so as to ensure that the degassing temperature of the second submarine cable semi-finished product near the inner casing 24 is maintained.
The inlet 211 is arranged above the outer shell 21, and silica gel plates with different specifications are selected as sealing elements to be placed at the inlet 211 according to the size of the second submarine cable semi-finished product. The central part of the silica gel plate is provided with a hole, the aperture size of the hole is slightly smaller than the outer diameter of the semi-finished second submarine cable, the semi-finished second submarine cable enters the degassing space 213 through the silica gel plate, and the outer diameter of the hole inside the silica gel plate is slightly smaller than the outer diameter of the semi-finished second submarine cable, so that no gap is formed between the semi-finished second submarine cable and the silica gel plate, and the phenomenon that hot air overflows from the degassing space 213 to lower the temperature in the degassing space 213 is avoided.
The outlet 212 is arranged above the outer shell 21, and a silica gel plate with different specifications is selected as a sealing piece to be placed at the outlet 212 according to the size of the second submarine cable semi-finished product. The central part of the silica gel plate is provided with a hole, the aperture size of the hole is slightly smaller than the outer diameter of the semi-finished second submarine cable, the semi-finished second submarine cable is transferred out from the degassing space 213 through the silica gel plate, and the outer diameter of the hole inside the silica gel plate is slightly smaller than the outer diameter of the semi-finished second submarine cable, so that no gap is formed between the semi-finished second submarine cable and the silica gel plate, and the phenomenon that hot air overflows from the degassing space 213 to cause the temperature reduction in the degassing space 213 is avoided.
In an embodiment of the invention, the submarine cable production method adopts the submarine cable production system to produce submarine cables, and the production method comprises the following steps in sequence along the production line: a cross-linking production step of forming a conductor shield layer, an insulating layer and an insulating shield layer outside a conductor; a lead extruding sleeve and a sheath production step of sequentially forming a lead sleeve and a sheath outside the insulation shielding layer; a reel circulation step of storing or transporting the first semi-finished submarine cable through the ground reel 10; and an armor production step of forming an armor layer outside the sheath, so that the submarine cable comprises a conductor, a conductor shielding layer, an insulating shielding layer, a lead sleeve, the sheath and the armor layer which are sequentially arranged from inside to outside; wherein, the insulating layer is made of insulating materials capable of being degassed rapidly in the cross-linking production step.
In the above arrangement, the conductor shield layer, the insulating layer and the insulation shield layer can be formed in this order outside the conductor by the cross-linking production step; the lead sleeve and the sheath can be sequentially formed outside the insulating shielding layer through the production steps of extruding the lead sleeve and the sheath; an armor layer can be formed outside the sheath through an armor production step; thereby forming a conductor shielding layer, an insulating shielding layer, a lead sleeve, a sheath and an armor layer of the submarine cable in sequence.
Can circulate through carousel circulation step and carry or store first submarine cable semi-manufactured goods, guarantee to change crowded lead cover of armor silk in-process and sheath production facility still can normal operating at armor production facility, thereby make crosslinked production facility, crowded lead cover and sheath production facility and armor production facility can produce in step, need not submarine cable crosslinked production, crowded lead cover and sheath production, armor production separately goes on, and then can avoid needing cable rewinder many times in the production process, cause the problem of damage easily to the submarine cable.
In the embodiment of the invention, the insulating layer is made of the quick degassing insulating material in the cross-linking production step, so that the produced submarine cable does not need to be subjected to long-term degassing subsequently, and the production period of the submarine cable is shortened.
In an embodiment of the present invention, the rapid degassing insulation material is crosslinked polyethylene.
It should be noted that, since the submarine cable production method according to the present application uses the submarine cable production system according to the present application to produce the submarine cable, the submarine cable production method according to the present application also has the above advantages of the submarine cable production system according to the present application, and details thereof are not described herein again.
In the embodiment of the present invention, when the armor production step requires replacement of the armor wires for processing into the armor layer of the submarine cable, the reel circulation step includes a first adjustment step of rotating the introduction part 11 and the reel exit part 12 in synchronization and at the same production speed as that of the lead sheath extruding and sheathing production step to store the first submarine cable semi-finished product to the reel exit part 12.
Through the arrangement, the production steps of extruding the lead sleeve and the sheath can still run normally in the process of replacing the armor wires in the armor production step, so that the cross-linking production step, the production steps of extruding the lead sleeve and the sheath and the armor production step can be synchronously produced, the cross-linking production step, the production steps of extruding the lead sleeve and the sheath and the armor production step do not need to be separately carried out, and the problem that the submarine cable is easily damaged due to multiple cable rewinding in the production process can be avoided.
In the embodiment of the invention, after the armor wires are replaced in the armor production step, the rotating disc circulation step comprises a second adjusting step of enabling the export speed of the disc export part 12 to be the same as the production speed of the armor production step, and enabling the sum of the production speed of the lead extrusion sleeve and sheath production step and the import speed of the import part 11 to be equal to the export speed of the disc export part 12, so that the first submarine cable semi-finished product stored to the disc export part 12 in the armor wire replacement process is guided to the armor production step for armor production.
In the arrangement, the sum of the production speed of the lead extrusion sleeve and sheath production step and the leading-in speed of the leading-in part 11 is equal to the leading-out speed of the coiling part 12, the leading-out speed of the coiling part 12 is the same as the production speed of the armor production step, and through adjustment of the speeds, the first submarine cable semi-finished product stored to the coiling part 12 in the process of replacing armor wires can be gradually guided to the armor production step for armor production, so that the first submarine cable semi-finished product stored to the coiling part 12 in the process of replacing the armor wires is consumed, and overstock is avoided.
In the embodiment of the invention, the steel wires need to be replaced in the armor production process, the time required for replacing the steel wires is n2 hours, the production speed of the production steps of the lead extruding sleeve and the sheath is consistent with that of the production step of the cross-linking, and is x meters per hour, namely, the first submarine cable semi-finished product of x n2 meters needs to be stored on the rotary table during the steel wire replacement. And continuing to perform armor production after the steel wire is replaced, wherein the production speed of the armor production step is y meters per hour which is a little faster than that of the production steps of extruding the lead sleeve and the sheath.
In the continuous armor production process after the steel wire is replaced, the production speed of the armor production step is not matched with the production speed of the lead extrusion sleeve and sheath production step, so that the rotating speed of the coiling part 12 is consistent with the production speed of the armor production step, and the first submarine cable semi-finished product is prevented from radial tension or pressure in the armor production process. The rotation speed of the leading-in part 11 is changed, and the running speed of the leading-in part 11 relative to the disc-out part 12 is (y-x) m/h, namely the production speed of the lead extruding sleeve and sheath production step and the running speed of the leading-in part 11 are consistent with the rotation speed of the disc-out part 12, so that the first submarine cable semi-finished product is not subjected to radial tension or pressure in the process of taking up the cable. After m hours, the first submarine cable semi-finished product stored to the coil-out part 12 in the process of replacing the armor wires is completely led out, and the production speed of the armor production step is reduced to x meters per hour. The first submarine cable semi-finished product keeps taking up 1 layer in the circulation process of the turnplate, and the turnplate needs to meet the taking up length of the first submarine cable semi-finished product of x (n + m).
In the embodiment of the invention, after the first submarine cable semi-finished product stored to the coiling part 12 in the process of replacing the armor wires is completely led out, in the continuous production process, the production speed of the production step of the lead extruding sleeve and the sheath, the leading-in speed of the leading-in part 11, the leading-out speed of the coiling part 12 and the production speed of the armor production step are the same.
In the embodiment of the invention, after the turntable 10 starts to take up the wire, the turntable 122 of the disk-out part 12 operates according to the production speed, so that the operation speed of the disk-out part 12 is ensured to be consistent with the production speed of the armor production step. The rotating speed of the leading-in part 11 is consistent with that of the disc-out part 12, namely the leading-in part 11 and the disc-out part 12 are kept relatively static, and the first submarine cable semi-finished product is guaranteed not to be subjected to radial tension or pressure in the winding process. After the ground turntable 10 takes up a plurality of turns, the end head of the first submarine cable semi-finished product can be pulled out of the turntable outlet part 12 to the armor production equipment for armor production.
In the embodiment of the invention, the production method of the submarine cable further comprises a conductor paying-off step, a lapping production step and a finished cable taking-up step, wherein the conductor paying-off step is positioned before the cross-linking production step, the lapping production step is positioned between the cross-linking production step and the lead extruding sleeve and sheath production step, and the finished cable taking-up step is positioned after the armor production step along the production line direction.
In the above arrangement, the conductor paying-off step is used for paying off the conductor and paying off the conductor for cross-linking production. And the wrapping production step is used for wrapping the water-blocking tape on the second submarine cable semi-finished product so as to form a water-blocking tape layer on the periphery of the second submarine cable semi-finished product. And the finished cable take-up step is used for taking up the finished submarine cable.
As shown in fig. 1 and 2, in the embodiment of the present invention, the conductor paying out step is implemented by a conductor paying out apparatus. The lapping production step is realized by lapping production equipment. And the finished cable take-up step is realized by finished cable take-up equipment. And the wrapping production step is positioned between the rapid degassing step carried out by adopting rapid degassing equipment and the production steps of the lead extruding sleeve and the sheath, so that the degassed semi-finished second submarine cable is subjected to water blocking tape wrapping production.
In the embodiment of the present invention, the conductor paying-off device, the wrapping production device, and the finished cable take-up device may all adopt conventional devices in the art.
In the embodiment of the invention, the submarine cable conductor is payed off and then enters a cross-linking production line to carry out three-layer co-extrusion production of the conductor shielding layer, the quick degassing insulation layer and the insulation shielding layer, and the water-blocking tape wrapping is carried out after the second submarine cable semi-finished product is produced. Because the insulating layer is made of the insulating material capable of quickly degassing, the production of the lead extrusion sleeve and the sheath is carried out after the water-blocking tape is wound. Because the replacement of armoured silk (for example steel wire) needs the change cycle in the armoured production process, consequently, need through ground carousel 10 circulation after the production of first submarine cable semi-manufactured goods is finished. And (3) transferring the first submarine cable semi-finished product to armor production equipment for armor production through a transfer reel 10, and finishing the reeling of the submarine cable finished product after the armor production is finished.
In the embodiment of the invention, the production system of the submarine cable and the production method of the submarine cable have the following advantages:
1. after the submarine cable is produced by crosslinking, long-term degassing is not needed, and the submarine cable production efficiency is improved.
2. The cross-linking production, the lead-extruded sheath production and the armor production can be synchronously carried out, the production efficiency of the submarine cable is improved, and the production cost of the submarine cable is reduced.
3. The cable rewinding process is few in the production process, and the production risk of the submarine cable is reduced.
In an embodiment of the present invention, as shown in fig. 8, the submarine cable is manufactured by the above-described submarine cable manufacturing method.
In an embodiment of the invention, the submarine cable is composed of 12 main parts, respectively a water-blocking conductor 31, a conductor shielding layer 32, a rapid degassing insulation layer 33, an insulation shielding layer 34, a water-blocking tape layer 35, a lead sheath 36, a sheath 37, a PE (polyethylene) strip 38, a light unit 39, an inner liner 40, a steel wire 41 and an outer layer 42. Wherein the PE strips 38, the light units 39, the inner liner 40, the steel wires 41 and the outer layer 42 form an armouring layer.
Preferably, the water-blocking conductor 31 may be a copper conductor or an aluminum conductor, and the water-blocking material between the conductors is water-blocking glue, so as to meet the requirement of water blocking in large water depth.
In the embodiment of the present invention, the insulating material used in the fast degassing insulating layer 33 is a fast degassing insulating material, the second submarine cable semi-finished product made of the fast degassing insulating material (such as crosslinked polyethylene) theoretically does not need degassing, infrared spectrum detection and gas chromatography analysis are performed on the second submarine cable semi-finished product that is not degassed, and the contents of crosslinked byproducts, namely, methylethylene, acetophenone and benzyl alcohol, in the second submarine cable semi-finished product are very low, so that the subsequent processes can be directly performed.
The technical scheme of this application is applicable to submarine cable design and production, can satisfy different voltage levels single core submarine cable design and production.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the crosslinking production equipment is used for forming a conductor shielding layer, an insulating layer and an insulation shielding layer outside a conductor. The lead extrusion sleeve and sheath production equipment is used for sequentially forming the lead sleeve and the sheath outside the insulation shielding layer. Armor production equipment is used for forming an armor layer outside a sheath. Because the replacement of the armor wires needs the replacement period in the armor production process, therefore, the production of the first submarine cable semi-finished product is completed and then circulated and stored through the ground turntable, so as to ensure that the extruded lead sleeve and the sheath production equipment can still normally operate in the process of replacing the armor wires by the armor production equipment, thereby enabling the cross-linking production equipment, the extruded lead sleeve and sheath production equipment and the armor production equipment to synchronously produce, the submarine cable cross-linking production is not required, the extruded lead sleeve and sheath production and the armor production are separately carried out, further the problem that the submarine cable needs to be rewound for many times in the production process can be avoided, and the damage to the submarine cable is easily caused.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A submarine cable production system, comprising, in order:
a crosslinking production device for forming a conductor shield layer, an insulating layer and an insulating shield layer outside the conductor;
the lead extrusion sleeve and sheath production equipment is used for sequentially forming a lead sleeve and a sheath outside the insulation shielding layer;
a ground rotating disk (10);
armor production equipment for forming an armor layer outside the jacket;
the ground rotating disc (10) comprises a base, an introducing part (11) and a disc discharging part (12), wherein the introducing part (11) is used for introducing the first submarine cable semi-finished product processed by the lead extrusion sleeve and sheath production equipment into the disc discharging part (12), and the disc discharging part (12) is used for storing or discharging the first submarine cable semi-finished product;
the leading-in part (11) and the disc-out part (12) are both rotatably arranged on the base, and the leading-in part (11) is rotatable relative to the disc-out part (12).
2. A submarine cable production system according to claim 1, wherein the lead-in (11) comprises:
a vertical bracket (111) connected with the base;
the horizontal support (112) is fixedly arranged on the vertical support (111), one end, far away from the vertical support (111), of the horizontal support (112) is provided with a guiding piece, and the guiding piece is used for guiding the first submarine cable semi-finished product into the coiling part (12).
3. A submarine cable production system according to claim 2, wherein the drum-out (12) comprises at least two cylindrical structures (121) and at least one turntable (122), the at least two cylindrical structures (121) being arranged in sequence along the outside of the center of rotation of the drum-out (12), and a drum outlet being provided on the side wall of each cylindrical structure (121);
the turntable (122) is arranged between any two adjacent cylindrical structures (121), the turntable (122) can be rotatably arranged relative to the base, and the two adjacent cylindrical structures (121) and the corresponding turntable (122) jointly enclose a cable coiling space (13);
the leading-in piece is used for leading in the first submarine cable semifinished product is located innermost in dish cable space (13), dish cable space (13) with the dish export intercommunication, first submarine cable semifinished product is exported through being located the outermost dish export.
4. The submarine cable production system according to any one of claims 1 to 3, further comprising a rapid degassing device between the cross-linking production device and the lead extrusion sleeve and jacket production device, the rapid degassing device being configured to rapidly degas the second submarine cable semi-finished product after being processed by the cross-linking production device; the rapid degassing apparatus comprises:
the device comprises an outer shell (21), wherein an inlet (211) and an outlet (212) are formed in the outer shell (21), the outer shell (21) encloses a degassing space (213), and the inlet (211) and the outlet (212) are both communicated with the degassing space (213);
at least two guide wheel assemblies (22) arranged in the degassing space (213) at intervals, wherein the guide wheel assemblies (22) are used for supporting a second submarine cable semi-finished product;
a heating assembly (23) disposed within the degassing space (213), the heating assembly (23) being configured to heat air within the degassing space (213).
5. Submarine cable production system according to claim 4 wherein said guide wheel assemblies (22) are annular, at least two guide wheel assemblies (22) being spaced one after the other along the outward side of the centre of said guide wheel assemblies (22), said inlet (211) being positioned in correspondence with the innermost guide wheel assembly (22) and said outlet (212) being positioned in correspondence with the outermost guide wheel assembly (22);
the heating assembly (23) comprises an outer side heating structure (231) and an inner side heating structure (232), the outer side heating structure (231) is arranged on the periphery of the guide wheel assembly (22) located on the outermost side to heat from outside to inside, and the inner side heating structure (232) is arranged in an annular cavity of the guide wheel assembly (22) located on the innermost side to heat from inside to outside.
6. Submarine cable production system according to claim 5,
the outer heating structure (231) comprises a fan (233) and a heating box (234), the fan (233) is communicated with the heating box (234), the fan (233) is used for guiding air in the degassing space (213) to the heating box (234), the heating box (234) is used for heating the air, and the heated air can be discharged into the degassing space (213) through a heating box outlet; and/or the presence of a gas in the atmosphere,
the heating assembly (23) comprises at least two outer side heating structures (231), and the at least two outer side heating structures (231) are arranged at intervals along the circumferential direction of the guide wheel assembly (22) located on the outermost side.
7. The submarine cable production system according to claim 5, wherein the quick degassing device further comprises an inner housing (24), wherein the inner housing (24) is disposed in an annular cavity of the innermost guide wheel assembly (22), the inner housing (24) and the outer housing (21) together define the degassing space (213), the inner housing (24) is provided with an air outlet, and the inner cavity of the inner housing (24) is communicated with the degassing space (213) through the air outlet;
the inner heating structure (232) is disposed on the inner housing (24) to provide heated air into the interior cavity of the inner housing (24).
8. Submarine cable production system according to claim 4,
a fan (25) is arranged on the top wall of the outer shell (21), and the fan (25) is used for blowing hot air above the degassing space (213) downwards; and/or the presence of a gas in the gas,
seals are arranged at the inlet (211) and the outlet (212), and the submarine cable passes through the inlet (211) and the outlet (212) and is in sealing fit with the seals.
9. A method for producing a submarine cable using the submarine cable production system according to any one of claims 1 to 8, the method comprising:
a cross-linking production step of forming a conductor shielding layer, an insulating layer and an insulating shielding layer outside a conductor;
sequentially forming a lead sleeve and a sheath extruding sleeve outside the insulation shielding layer and producing the sheath;
a rotating disc circulation step of storing or conveying the first submarine cable semi-finished product through the ground rotating disc (10); and
forming an armor layer outside the sheath, so that the submarine cable comprises a conductor, the conductor shielding layer, the insulating shielding layer, the lead sleeve, the sheath and the armor layer which are sequentially arranged from inside to outside;
wherein, the insulating layer is made of a quick degassing insulating material in the crosslinking production step.
10. A method of producing submarine cables according to claim 9, wherein, when the armouring production step requires replacement of armouring wires used for processing into armouring layers of submarine cables, the rotating turret circulation step comprises:
a first adjustment step of synchronously rotating the lead-in part (11) and the coil-out part (12) and having the same production speed as that of the lead extrusion sleeve and sheath production step, so as to store the first submarine cable semi-finished product to the coil-out part (12).
11. The method for producing submarine cables according to claim 10, wherein, when the armor-producing step has replaced the armor wires, the reel-turning step comprises:
and a second adjusting step of making the leading-out speed of the coiling part (12) the same as the production speed of the armor production step and making the sum of the production speed of the lead extruding sleeve and sheath production step and the leading-in speed of the leading-in part (11) equal to the leading-out speed of the coiling part (12) so as to guide the first submarine cable semi-finished product stored to the coiling part (12) in the armor wire replacing process to the armor production step for armor production.
12. A method for producing submarine cables according to claim 11, where, after the first semi-finished submarine cable stored in the spooler (12) during replacement of armouring wires is completely exported, the production speed of the extruded lead sheath and jacket production step, the import speed of the import section (11), the export speed of the spooler (12) and the production speed of the armouring production step are the same during continuous production.
13. Method for producing a submarine cable according to claim 9,
the production method of the submarine cable further comprises a conductor paying-off step, a lapping production step and a finished cable take-up step, wherein in the direction of a production line, the conductor paying-off step is positioned before the cross-linking production step, the lapping production step is positioned between the cross-linking production step and the lead extruding sleeve and sheath production step, and the finished cable take-up step is positioned after the armor production step; and/or the presence of a gas in the gas,
the rapid degassing insulating material is crosslinked polyethylene.
14. Submarine cable, characterized in that it is prepared by the method for the production of a submarine cable according to any one of claims 9 to 13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210764479.0A CN115206593A (en) | 2022-06-30 | 2022-06-30 | Submarine cable production system, submarine cable production method and submarine cable |
| PCT/CN2023/081448 WO2024001306A1 (en) | 2022-06-30 | 2023-03-14 | Submarine cable production system, submarine cable production method, and submarine cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210764479.0A CN115206593A (en) | 2022-06-30 | 2022-06-30 | Submarine cable production system, submarine cable production method and submarine cable |
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| CN115206593A true CN115206593A (en) | 2022-10-18 |
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| CN202210764479.0A Pending CN115206593A (en) | 2022-06-30 | 2022-06-30 | Submarine cable production system, submarine cable production method and submarine cable |
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| WO (1) | WO2024001306A1 (en) |
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| WO2024001306A1 (en) * | 2022-06-30 | 2024-01-04 | 中天科技海缆股份有限公司 | Submarine cable production system, submarine cable production method, and submarine cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102737787B (en) * | 2012-07-17 | 2014-06-25 | 四川明星电缆股份有限公司 | Manufacturing method for seabed photoelectricity composite rope with split conductor in huge cross section |
| CN102831980B (en) * | 2012-08-31 | 2014-06-11 | 江苏亨通高压电缆有限公司 | Three-dimensional stranding, untwisting and cabling machine for large-length great-section high-voltage photoelectric composite submarine cable |
| CN105139966B (en) * | 2015-08-25 | 2018-03-16 | 万达集团股份有限公司 | A kind of multifunctional vertical is twisted back twist cable-former |
| CN106229087B (en) * | 2016-08-31 | 2017-09-01 | 合肥神马科技集团有限公司 | A kind of vertical cable-former back-twist device |
| CN111554435B (en) * | 2020-05-14 | 2021-12-28 | 中天科技海缆股份有限公司 | Multi-core direct-current submarine cable and production method thereof |
| CN112133498A (en) * | 2020-09-23 | 2020-12-25 | 万达集团股份有限公司 | Submarine cable tray degassing chamber |
| CN115206593A (en) * | 2022-06-30 | 2022-10-18 | 中天科技海缆股份有限公司 | Submarine cable production system, submarine cable production method and submarine cable |
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2022
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| WO2024001306A1 (en) * | 2022-06-30 | 2024-01-04 | 中天科技海缆股份有限公司 | Submarine cable production system, submarine cable production method, and submarine cable |
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