CN113921174A - High-strength corrosion-resistant non-combustible cable and preparation method thereof - Google Patents
High-strength corrosion-resistant non-combustible cable and preparation method thereof Download PDFInfo
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- CN113921174A CN113921174A CN202111147361.5A CN202111147361A CN113921174A CN 113921174 A CN113921174 A CN 113921174A CN 202111147361 A CN202111147361 A CN 202111147361A CN 113921174 A CN113921174 A CN 113921174A
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- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 11
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Classifications
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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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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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
-
- 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
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention is suitable for the technical field of cables, and provides a high-strength corrosion-resistant non-combustible cable and a preparation method thereof. The shielding layer, the fireproof layer, the reinforcing layer and the surface layer are sequentially arranged on the outer side of the sheath layer from inside to outside, so that shielding, fireproof and further reinforcing effects can be provided for the cable, and the cable provided by the invention has the characteristics of high structural strength, fire resistance and corrosion resistance.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a high-strength corrosion-resistant non-combustible cable and a preparation method thereof.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, is a common and indispensable object in daily life, and needs to be cautious to install because the cable is electrified. The definition of the cable is made of one or more conductors insulated from each other and a conducting wire coated with an insulating protective layer and used for transmitting power or information from one place to another place; definition 2: typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating.
The main drawbacks of the cable: the cable is subjected to overload operation for a long time, so that the temperature of the cable is increased, insulation is aged, insulation is broken down, and construction quality is reduced; the electrical aspects are as follows: the construction process of the cable head cannot meet the requirements, the sealing performance of the cable head is poor, moisture enters the interior of the cable, and the insulating performance of the cable is reduced; when the cable is laid, protective measures cannot be taken, the protective layer is damaged, and the insulation is reduced; the civil engineering aspect has: the drainage of a trench of the power well pipe is not smooth, the cable is soaked in water for a long time, the power well with damaged insulation strength is too small, the bending radius of the cable is not enough, and the long-term damage caused by extrusion external force is mainly mechanical rough construction in municipal construction, excavation damage and cable cutting; the corrosion protection layer is subjected to chemical corrosion or cable corrosion for a long time, so that the protection layer fails and the insulation is reduced; the cable itself or the cable head annex quality is poor, the cable head leakproofness is poor, the insulating cement dissolves, the fracture, the resonance phenomenon that leads to the station to appear makes circuit interphase electric capacity and earth capacitance and distribution transformer excitation inductance constitute resonant circuit for circuit broken string trouble, thereby arouse ferromagnetic resonance, in some safety protection equipment and in the large-scale outdoor machinery cable operation requirement height, require the cable to have about waterproof tensile, especially require to be high very much to the tensile property requirement of cable in the safety protection equipment, if prevent to appear causing the incident because of the damage of cable.
Disclosure of Invention
The invention provides a high-strength corrosion-resistant non-combustible cable and a preparation method thereof, and aims to solve the problems in the prior art.
The invention is realized in such a way, and the high-strength corrosion-resistant non-combustible cable and the preparation method thereof comprise the following steps:
a sheath layer;
the cable core is provided with a plurality of cable cores which are all accommodated in the inner side of the sheath layer; the plurality of wire cores are uniformly distributed in the circumferential direction;
the first reinforcing core is arranged in a gap which is formed by the surrounding of the plurality of wire cores and is positioned in the center of the sheath layer;
the shielding layer is wrapped on the outer surface of the sheath layer;
the fire-proof layer is wrapped on the outer surface of the shielding layer;
the reinforcing layer is wrapped on the outer surface of the fire-proof layer;
a skin layer wrapping the outer surface of the reinforcing layer;
a plurality of second reinforcing cores are arranged in the sheath layer; and one second reinforcing core is arranged between every two adjacent wire cores.
Preferably, the reinforcing core is a cylindrical wire made of TPU elastic material.
Preferably, the second reinforcing core is made of a wire made of a nylon material.
Preferably, the sheath layer is made of an insulating material prepared from the following components in parts by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water.
Preferably, the shielding layer is made of polyethylene material;
the shielding layer is internally provided with a first woven layer and a second woven layer which are distributed from inside to outside; the woven layer I and the woven layer II; the first braided layer is braided by stainless steel metal wires; and the second braided layer is braided by tinned copper wires.
Preferably, the reinforcing layer is made of polyethylene material, and a first armor layer and a second armor layer are arranged in the reinforcing layer and distributed from inside to outside;
the armor layer I and the armor layer II are both woven by carbon fiber wires and stainless steel metal wires.
Preferably, the fireproof layer is made of asbestos materials.
The invention also provides a preparation method of any one of the high-strength corrosion-resistant non-combustible cables, which comprises the following steps:
s1, tightening the first reinforcing core, the second reinforcing cores and the wire cores to form the first reinforcing core which is positioned at the inner side of the wire cores, arranging the second reinforcing core between every two adjacent wire cores, and leading the second reinforcing core into and penetrating through the sheath layer;
s2, covering a shielding layer on the outer surface of the sheath layer;
s3, wrapping the fireproof layer on the outer surface of the shielding layer in a winding manner;
s4, sleeving a reinforcing layer on the outer surface of the fireproof layer;
and S5, winding and wrapping the skin layer on the outer surface of the reinforcing layer.
Preferably, the preparation method of the sheath layer comprises the following steps:
weighing the following components in percentage by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water;
heating, stirring and mixing acrylonitrile, butadiene, styrene and distilled water, adding an initiator in the mixing process, wherein the heating time is 3 to 5 hours, and the stirring and mixing time is 2 to 3 hours;
after heating, continuously adding the silica powder, the polyester fiber and the flame retardant, uniformly stirring, and then heating again for 4 hours at the temperature of 190-220 ℃;
finally, the tubular sheath layer is manufactured through an extruder.
Compared with the prior art, the invention has the beneficial effects that: according to the high-strength corrosion-resistant non-combustible cable and the preparation method thereof, the first reinforcing core and the second reinforcing core which are positioned on the inner side of the sheath layer are arranged, the first reinforcing core is arranged at the central position among the plurality of wire cores which are circumferentially distributed, and the second reinforcing core is arranged between the two adjacent wire cores, so that the strength of the structure on the inner side of the sheath layer can be effectively improved, and high-strength support is provided for the structure of the wire cores. The shielding layer, the fireproof layer, the reinforcing layer and the surface layer are sequentially arranged on the outer side of the sheath layer from inside to outside, so that shielding, fireproof and further reinforcing effects can be provided for the cable, and the cable provided by the invention has the characteristics of high structural strength, fire resistance and corrosion resistance.
Drawings
Fig. 1 is a cross-sectional view of a high-strength corrosion-resistant non-combustible cable according to the present invention.
Fig. 2 is a cross-sectional view of a jacket layer of the present invention.
Fig. 3 is a cross-sectional view of the shield layer of the present invention.
Fig. 4 is a cross-sectional view of a reinforcement layer of the present invention.
In the figure: 1. a sheath layer; 2. a wire core; 3. reinforcing a core I; 4. a shielding layer; 41. weaving layer one; 42. a second braided layer; 5. a fire barrier layer; 6. a reinforcement layer; 61. a first armor layer; 62. a second armor layer; 7. a skin layer; 8. and a second reinforcing core.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a technical solution: a high-strength corrosion-resistant non-combustible cable and a preparation method thereof are disclosed, wherein the cable comprises a sheath layer 1, a wire core 2, a first reinforcing core 3, a shielding layer 4, a fireproof layer 5, a reinforcing layer 6, a surface layer 7 and a second reinforcing core 8.
The sheath layer 1 is made of an insulating material prepared from the following components in parts by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water. The preparation method of the sheath layer 1 comprises the following steps: weighing the following components in percentage by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water. Heating, stirring and mixing acrylonitrile, butadiene, styrene and distilled water, adding an initiator in the mixing process, wherein the heating time is 3 to 5 hours, and the stirring and mixing time is 2 to 3 hours; after heating, continuously adding the silica powder, the polyester fiber and the flame retardant, uniformly stirring, and then heating again for 4 hours at the temperature of 190-220 ℃; finally, the tubular sheath layer 1 is manufactured by an extruder.
Referring to fig. 2, the plurality of wire cores 2 are accommodated inside the sheath layer 1; the plurality of wire cores 2 are circumferentially and uniformly distributed.
The first reinforcing core 3 is arranged in a gap formed by surrounding the plurality of wire cores 2 and located at the center of the sheath layer 1. The first reinforcing core 3 is made of a cylindrical wire made of TPU elastic material.
Referring to fig. 3, the shielding layer 4 is wrapped on the outer surface of the sheath layer 1; the shielding layer 4 is made of polyethylene material; a first braided layer 41 and a second braided layer 42 which are distributed from inside to outside are arranged in the shielding layer 4; a first braided layer 41 and a second braided layer 42; the first braided layer 41 is braided by stainless steel metal wires; and the second braided layer 42 is braided by tinned copper wires. The first braided layer 41 made of the stainless steel metal wire and the second braided layer 42 made of the tinned copper wire can effectively provide a double-layer shielding effect.
The fireproof layer 5 wraps the outer surface of the shielding layer 4; the fire-proof layer 5 is made of asbestos materials.
Referring to fig. 1 and 4, the reinforcing layer 6 is wrapped on the outer surface of the fire-proof layer 5; the reinforcing layer 6 is made of polyethylene materials, and a first armor layer 61 and a second armor layer 62 which are distributed from inside to outside are arranged in the reinforcing layer 6; the first armor layer 61 and the second armor layer 62 are both made of carbon fiber wires and stainless steel metal wires in a weaving mode.
The skin layer 7 is wrapped around the outer surface of the reinforcing layer 6. The skin layer 7 is made of polyvinyl chloride.
The second reinforcing cores 8 are positioned in the sheath layer 1 and are provided in plurality; and a second reinforcing core 8 is arranged between every two adjacent wire cores 2. The second reinforcing core 8 is made of a wire made of a nylon material.
The preparation method of the high-strength corrosion-resistant non-combustible cable comprises the following steps:
s1, preparing a sheath layer 1, wherein the preparation method of the sheath layer 1 comprises the following steps:
weighing the following components in percentage by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water.
Heating, stirring and mixing acrylonitrile, butadiene, styrene and distilled water, adding an initiator in the mixing process, wherein the heating time is 3 to 5 hours, and the stirring and mixing time is 2 to 3 hours.
After the heating is finished, the silicon micropowder, the polyester fiber and the flame retardant are continuously added, the uniform stirring is carried out, then the heating is carried out again, the heating time is 4 hours, and the heating temperature is 190 ℃ to 220 ℃.
Finally, the tubular sheath layer 1 is manufactured by an extruder.
Tighten reinforcer one 3, many reinforcers two 8 and many sinle silks 2, form reinforcer one 3 and be located many sinle silks 2's inboard, be provided with the state of two 8 of a reinforcer between two adjacent sinle silks 2, introduce and run through restrictive coating 1.
S2, covering the shield layer 4 on the outer surface of the sheath layer 1, specifically, the method for manufacturing the shield layer 4 is as follows: firstly, the first braided layer 41 and the second braided layer 42 are respectively and sequentially wrapped on the outer surface of the layer 1 of the sheath, and then the first braided layer 41 and the second braided layer 42 are extruded with the fused high-density polyethylene material.
And S3, wrapping the fire-retardant layer 5 on the outer surface of the shielding layer 4 in a winding mode.
And S4, sleeving the reinforcing layer 6 on the outer surface of the fire-proof layer 5. The method for manufacturing the reinforcing layer 6 comprises the following steps: firstly, the first armor layer 61 and the second armor layer 62 are sequentially wrapped on the outer surface of the fire-proof layer 5, and then the molten high-density polyethylene material is extruded onto the first armor layer 61 and the second armor layer 62.
And S6, winding and wrapping the skin layer 7 on the outer surface of the reinforcing layer 6, wherein the skin layer 7 is made of polyvinyl chloride.
According to the high-strength corrosion-resistant non-combustible cable and the preparation method thereof, the first reinforcing core 3 and the second reinforcing core 8 are arranged on the inner side of the sheath layer, the first reinforcing core 3 is arranged at the central position among the plurality of wire cores 2 which are circumferentially distributed, and the second reinforcing core 8 is arranged between the two adjacent wire cores 2, so that the strength of the inner side structure of the sheath layer 1 can be effectively improved, and high-strength support is provided for the structure of the wire cores 2. The shielding layer 4, the fireproof layer 5, the reinforcing layer 6 and the surface layer 7 are sequentially arranged on the outer side of the sheath layer 2 from inside to outside, so that shielding, fireproof and further reinforcing effects can be provided for the cable, and the cable provided by the invention has the characteristics of high structural strength, fire resistance and corrosion resistance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A high-strength corrosion-resistant non-combustible cable is characterized in that: the method comprises the following steps:
a sheath layer (1);
the cable core (2) is provided with a plurality of cable cores which are all accommodated in the inner side of the sheath layer (1); the plurality of wire cores (2) are uniformly distributed in the circumferential direction;
the first reinforcing core (3) is arranged in a gap formed by the surrounding of the plurality of wire cores (2) and positioned at the central position of the sheath layer (1);
the shielding layer (4) is wrapped on the outer surface of the sheath layer (1);
the fire-proof layer (5) wraps the outer surface of the shielding layer (4);
the reinforcing layer (6) is wrapped on the outer surface of the fire-proof layer (5);
a skin layer (7) wrapping the outer surface of the reinforcing layer (6);
a plurality of second reinforcing cores (8) are arranged in the sheath layer (1); and a second reinforcing core (8) is arranged between every two adjacent wire cores (2).
2. A high strength corrosion resistant noncombustible cable according to claim 1, wherein: the first reinforcing core (3) is a cylindrical wire made of TPU elastic material.
3. A high strength corrosion resistant noncombustible cable according to claim 1, wherein: the second reinforcing core (8) is made of a wire made of a nylon material.
4. A high strength corrosion resistant noncombustible cable according to claim 1, wherein: the sheath layer (1) is made of an insulating material prepared from the following components in parts by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water.
5. A high strength corrosion resistant noncombustible cable according to claim 1, wherein: the shielding layer (4) is made of polyethylene material;
a first braided layer (41) and a second braided layer (42) which are distributed from inside to outside are arranged in the shielding layer (4); said woven layer one (41) and said woven layer two (42); the first woven layer (41) is woven by stainless steel metal wires; and the second braided layer (42) is braided by a tinned copper wire.
6. A high strength corrosion resistant noncombustible cable according to claim 1, wherein: the reinforcing layer (6) is made of polyethylene materials, and a first armor layer (61) and a second armor layer (62) which are distributed from inside to outside are arranged in the reinforcing layer (6);
the armor layer I (61) and the armor layer II (62) are both woven by carbon fiber wires and stainless steel metal wires.
7. A high strength corrosion resistant noncombustible cable according to claim 1, wherein: the fireproof layer (5) is made of asbestos materials.
8. A method for preparing a high-strength corrosion-resistant noncombustible cable according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
s1, tightening the first reinforcing core (3), the second reinforcing cores (8) and the wire cores (2) to form a state that the first reinforcing core (3) is located on the inner sides of the wire cores (2), and the second reinforcing core (8) is arranged between every two adjacent wire cores (2) and is led into and penetrates through the sheath layer (1);
s2, covering a shielding layer (4) on the outer surface of the sheath layer (1);
s3, wrapping the fireproof layer (5) on the outer surface of the shielding layer (4) in a winding manner;
s4, sleeving the reinforcing layer (6) on the outer surface of the fireproof layer (5);
and S6, winding the skin layer (7) and wrapping the skin layer on the outer surface of the reinforcing layer (6).
9. The method for preparing a high-strength corrosion-resistant non-combustible cable according to claim 8, wherein the method comprises the following steps: the preparation method of the sheath layer (1) comprises the following steps:
weighing the following components in percentage by weight: 40 parts of acrylonitrile, 15 parts of butadiene, 60 parts of styrene, 5 parts of silicon micropowder, 10 parts of polyester fiber, 5 parts of flame retardant and 5 parts of distilled water;
heating, stirring and mixing acrylonitrile, butadiene, styrene and distilled water, adding an initiator in the mixing process, wherein the heating time is 3 to 5 hours, and the stirring and mixing time is 2 to 3 hours;
after heating, continuously adding the silica powder, the polyester fiber and the flame retardant, uniformly stirring, and then heating again for 4 hours at the temperature of 190-220 ℃;
finally, the tubular sheath layer (1) is manufactured through an extruder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111147361.5A CN113921174A (en) | 2021-09-29 | 2021-09-29 | High-strength corrosion-resistant non-combustible cable and preparation method thereof |
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| CN202111147361.5A CN113921174A (en) | 2021-09-29 | 2021-09-29 | High-strength corrosion-resistant non-combustible cable and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549472U (en) * | 2012-03-30 | 2012-11-21 | 安徽虹都电缆集团有限公司 | Fire-resistant power cable |
| CN103165242A (en) * | 2013-03-29 | 2013-06-19 | 浙江省电力公司舟山电力局 | Abrasion-resistant submarine power cable |
| CN104103352A (en) * | 2014-07-16 | 2014-10-15 | 中天科技海缆有限公司 | Environment-friendly sea-worm-proof double-steel-wire armored optical fiber composite submarine cable |
| CN111564238A (en) * | 2020-06-08 | 2020-08-21 | 新远东电缆有限公司 | Flexible tensile flexible cable for automatic system and production process thereof |
| CN113035422A (en) * | 2021-03-10 | 2021-06-25 | 江苏中柔电缆有限公司 | High-strength cable |
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2021
- 2021-09-29 CN CN202111147361.5A patent/CN113921174A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549472U (en) * | 2012-03-30 | 2012-11-21 | 安徽虹都电缆集团有限公司 | Fire-resistant power cable |
| CN103165242A (en) * | 2013-03-29 | 2013-06-19 | 浙江省电力公司舟山电力局 | Abrasion-resistant submarine power cable |
| CN104103352A (en) * | 2014-07-16 | 2014-10-15 | 中天科技海缆有限公司 | Environment-friendly sea-worm-proof double-steel-wire armored optical fiber composite submarine cable |
| CN111564238A (en) * | 2020-06-08 | 2020-08-21 | 新远东电缆有限公司 | Flexible tensile flexible cable for automatic system and production process thereof |
| CN113035422A (en) * | 2021-03-10 | 2021-06-25 | 江苏中柔电缆有限公司 | High-strength cable |
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