CN110600196A - Carbon fiber wire processing method - Google Patents
Carbon fiber wire processing method Download PDFInfo
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- CN110600196A CN110600196A CN201910886080.8A CN201910886080A CN110600196A CN 110600196 A CN110600196 A CN 110600196A CN 201910886080 A CN201910886080 A CN 201910886080A CN 110600196 A CN110600196 A CN 110600196A
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 59
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 59
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000003672 processing method Methods 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 90
- 238000003756 stirring Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 64
- 238000000137 annealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 10
- 238000005491 wire drawing Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 239000012257 stirred material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- IZJSTXINDUKPRP-UHFFFAOYSA-N aluminum lead Chemical compound [Al].[Pb] IZJSTXINDUKPRP-UHFFFAOYSA-N 0.000 claims 3
- 230000003213 activating effect Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000000155 melt Substances 0.000 description 6
- 239000002241 glass-ceramic Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H01B13/02—Stranding-up
-
- 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Non-Insulated Conductors (AREA)
Abstract
The invention belongs to the technical field of carbon fiber composite core wires, and particularly relates to a carbon fiber wire processing method, which comprises the following steps: s1: taking 10-15 parts of carbon particles, 5-10 parts of glass fiber and 3-6 parts of ceramic to perform high-temperature melting, and performing S2: taking out each melted material for cooling for 3-6h, S3: and placing the cooled materials into stirring equipment for stirring, quickly stirring for 10-15min, standing for 30-45min, and slowly stirring the mixed materials for 1-3h by using the stirring equipment after standing. The carbon fiber composite core wire provided by the invention is mainly used for completing electric energy transmission by an aluminum single wire part, mechanical forces such as the gravity of a wire body, wind power, wire stress and the like are mainly borne by the carbon fiber composite core, and through various types of tests, the carbon fiber composite core wire shows good mechanical performance and electrical performance, and meanwhile, the construction time for line erection is short, so that the power supply reliability and the equipment availability factor of a power grid are greatly improved.
Description
Technical Field
The invention relates to the technical field of carbon fiber composite core wires, in particular to a carbon fiber wire processing method.
Background
The carbon fiber composite core wire (ACCC) is a novel wire for overhead transmission lines, and has the outstanding characteristics of light weight, tensile resistance, good thermal stability, small sag, strong current capacity per unit area and corrosion resistance. The method is particularly suitable for the use environment of large corrosion strength, high pollution strength and easy waving of the wires in the coastal and mine areas of the company premises. The method can meet the requirements of building resource-saving and environment-friendly power grids, and has good application prospect in power transmission lines in county-level power grids. The ACCC carbon fiber composite wire is an ideal new product for replacing the traditional steel core aluminum hinged wire, aluminum-clad steel wire, aluminum alloy wire and imported invar wire in the power transmission and transformation system all over the world at present.
The traditional method for dismantling the old line, reforming the tower and then erecting a new lead is high in cost and long in construction period, once the line is not erected timely, the original line channel is recovered by a government planning department, the new line cannot use the original line channel, great difficulty is brought to power grid planning and construction, the construction cost is improved to a certain extent, and the construction period is prolonged; the long-time power failure in the process of line erection also greatly affects the power supply reliability and the equipment availability factor of a power grid, so a carbon fiber wire processing method is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a carbon fiber lead processing method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a carbon fiber lead processing method comprises the following steps:
s1: taking 10-15 parts of carbon particles, 5-10 parts of glass fiber and 3-6 parts of ceramic for high-temperature melting;
s2: taking out the melted materials for cooling for 3-6 h;
s3: placing the cooled materials into stirring equipment for stirring, quickly stirring for 10-15min, then standing for 30-45min, and after standing, slowly stirring the mixed materials for 1-3h by using the stirring equipment;
s4: putting the stirred material into an extruder, wherein the extruder can extrude and mold the mixed material into a carbon fiber main core;
s5: placing the carbon fiber main core in a furnace at a temperature of 400-500 ℃ for high-temperature curing;
s6: drawing an aluminum rod with the conductivity of more than or equal to 61% IACS into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a wire drawing machine, ensuring that the cross-sectional area of the soft aluminum conductor is 4-8% larger than the nominal area after twisting, and controlling the wire drawing speed to be less than or equal to 4 m/s;
s7: putting the soft aluminum wire with the trapezoidal or Z-shaped section into an annealing furnace for annealing, wherein the annealing temperature is 450-500 ℃, and the heat preservation time is 4-6 hours;
s8: tightly stranding 12 or 25 carbon fiber main cores in a spiral shape on the outer side of the carbon fiber main core through a stranding machine to obtain a wire core;
s9: the soft aluminum conductor with the trapezoidal or Z-shaped section is coiled on a stranding machine, 15, 20 and 22 soft aluminum conductors are sequentially and spirally stranded outside the wire core from inside to outside in three layers, the stranding direction of the soft aluminum conductor of the first soft aluminum conductor layer tightly attached to the wire core is opposite to that of the carbon fiber main core, and the stranding direction of the soft aluminum conductors in the two adjacent soft aluminum conductor layers is opposite;
s10: the twisted wires are loaded on a delivery disk with the diameter of a wire coil core larger than 2000mm through a counter, and the bending radius of the wires is ensured to be larger than or equal to 30 times of the outer diameter of the cross section of the wires.
Preferably, in S1, the carbon particles, the glass fibers, and the ceramics are melted at a high temperature in a high temperature furnace at a temperature of 500 to 650 ℃.
Preferably, in S2, the material melted at high temperature is placed in the tray, and then a plurality of heat dissipation fans are disposed around the tray, so that the cooling time for the melted material can be shortened by starting the heat dissipation fans.
Preferably, in the S3, when the mixed solution in the stirring device is stirred by using the rapid stirring method, the rapid stirring needs to reach 100-.
Preferably, in S4, the extruder is provided with a cooling channel, and the cooling channel is provided with circulating water, so that the temperature of the mixed material can be reduced by using the cooling channel, thereby facilitating the extruder to extrude the material.
Preferably, in S5, the high-temperature curing time of the carbon fiber main core is 30-55 min.
Preferably, in the step S6, the aluminum rod with the conductivity of more than or equal to 55% IACS is drawn into the soft aluminum conductor with the trapezoidal or Z-shaped cross section by using a drawing machine, the cross-sectional area of the soft aluminum conductor is ensured to be 5% -6% larger than the nominal area after twisting, and the drawing speed is controlled to be less than or equal to 3 m/S.
Preferably, the tensile strength of the annealed soft aluminum wire with the trapezoidal or Z-shaped section is ensured to be 65-80 MPa, the elongation is more than or equal to 28%, and the resistivity is less than or equal to 0.026369 omega-mm 2/m.
Preferably, in S9, the diameter of the first soft aluminum wire layer is: 24.1 +/-0.1 mm, and the diameter of the second soft aluminum conductor layer is as follows: 242.8 +/-0.1 mm, and the diameter of the third soft aluminum conductor layer is as follows: 39.8 +/-0.1 mm, and simultaneously ensures that the tensile strength of the trapezoidal or Z-shaped soft aluminum wire is 80-90 MPa, the elongation is more than or equal to 20 percent, the resistivity is less than or equal to 0.0274 omega-mm 2/m, and the resistance is less than or equal to 0.015 omega/km.
Preferably, in the step S10, the stranded conductor is loaded on a delivery disc with a core diameter of more than 2200mm by a meter, and the bending radius of the conductor is ensured to be more than or equal to 28 times of the outer diameter of the section of the conductor.
The carbon fiber composite core wire provided by the invention is mainly used for completing electric energy transmission by an aluminum single wire part, mechanical forces such as the gravity of a wire body, wind power, wire stress and the like are mainly borne by the carbon fiber composite core, and through various types of tests, the carbon fiber composite core wire shows good mechanical performance and electrical performance, and meanwhile, the construction time for line erection is short, so that the power supply reliability and the equipment availability factor of a power grid are greatly improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the methods in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
A carbon fiber lead processing method comprises the following steps:
s1: taking 10 parts of carbon particles, 5 parts of glass fiber and 3 parts of ceramic to perform high-temperature melting;
s2: taking out the melted materials for cooling for 3 h;
s3: placing the cooled materials into stirring equipment for stirring, quickly stirring for 10min, then standing for 30min, and slowly stirring the mixed materials for 1h by using the stirring equipment after standing;
s4: putting the stirred material into an extruder, wherein the extruder can extrude and mold the mixed material into a carbon fiber main core;
s5: placing the carbon fiber main core in a furnace to carry out high-temperature curing at the temperature of 400 ℃;
s6: drawing an aluminum rod with the conductivity of more than or equal to 61% IACS into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a wire drawing machine, ensuring that the cross-sectional area of the soft aluminum conductor is 5-8% larger than the nominal area after twisting, and controlling the wire drawing speed to be less than or equal to 4 m/s;
s7: putting the soft aluminum wire with the trapezoidal or Z-shaped section into an annealing furnace for annealing, wherein the annealing temperature is 450 ℃, and the heat preservation time is 4 hours;
s8: tightly stranding 12 or 25 carbon fiber main cores in a spiral shape on the outer side of the carbon fiber main core through a stranding machine to obtain a wire core;
s9: the soft aluminum conductor with the trapezoidal or Z-shaped section is coiled on a stranding machine, 15, 20 and 22 soft aluminum conductors are sequentially and spirally stranded on the outer side of a core from inside to outside in three layers, the stranding direction of the soft aluminum conductor of a first soft aluminum conductor layer tightly attached to the core is opposite to that of a carbon fiber main core, and the stranding direction of the soft aluminum conductors in two adjacent soft aluminum conductor layers is opposite;
s10: the twisted wires are loaded on a delivery disk with the diameter of a wire coil core larger than 2000mm through a counter, and the bending radius of the wires is ensured to be larger than or equal to 30 times of the outer diameter of the cross section of the wires.
In this example, in S1, carbon particles, glass fibers, and ceramics were melted at high temperature in a high-temperature furnace at a temperature of 500 ℃.
In this embodiment, in S2, place the material that melts at high temperature in the tray, then set up a plurality of radiator fan around the tray, through starting radiator fan, can accelerate the cooling time who melts the material.
In this embodiment, in S3, when the mixed solution in the stirring device is stirred by using the rapid stirring method, the rapid stirring needs to be 100 circles per minute, and the slow stirring needs to be 60 circles per minute.
In this embodiment, in S4, the cooling channel is provided in the extruder, and the circulating water is provided in the cooling channel, so that the temperature of the mixed material can be reduced by using the cooling channel, which is helpful for the extruder to extrude the material.
In this example, in S5, the high-temperature curing time for the carbon fiber primary core was 30 min.
In the embodiment, in S6, an aluminum rod with the conductivity of more than or equal to 55% IACS is drawn into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a drawing machine, so that the cross-sectional area of the soft aluminum conductor is ensured to be 5% -6% larger than the nominal area after twisting, and the drawing speed is controlled to be less than or equal to 3 m/S.
In the embodiment, the tensile strength of the annealed soft aluminum wire with the trapezoidal or Z-shaped section is ensured to be 65MPa, the elongation is more than or equal to 28 percent, and the resistivity is less than or equal to 0.026369 omega-mm 2/m.
In this embodiment, in S9, the diameter of the first soft aluminum wire layer is: 24.1 +/-0.1 mm, and the diameter of the second soft aluminum conductor layer is as follows: 242.8 +/-0.1 mm, and the diameter of the third soft aluminum conductor layer is as follows: 39.8 +/-0.1 mm, and simultaneously ensures that the tensile strength of the trapezoidal or Z-shaped soft aluminum wire is 80MPa, the elongation is more than or equal to 20 percent, the resistivity is less than or equal to 0.0274 omega-mm 2/m, and the resistance is less than or equal to 0.015 omega/km.
In this embodiment, in S10, the stranded wires are loaded onto a delivery reel with a core diameter greater than 2200mm by a meter, and the bending radius of the wires is ensured to be greater than or equal to 28 times of the outer diameter of the cross section of the wires.
Example two
A carbon fiber lead processing method comprises the following steps:
taking 12 parts of carbon particles, 8 parts of glass fiber and 5 parts of ceramic to perform high-temperature melting;
s2: taking out the melted materials for cooling for 4 h;
s3: placing the cooled materials into stirring equipment for stirring, quickly stirring for 12min, then standing for 35min, and after standing, slowly stirring the mixed materials for 2h by using the stirring equipment;
s4: putting the stirred material into an extruder, wherein the extruder can extrude and mold the mixed material into a carbon fiber main core;
s5: placing the carbon fiber main core in a furnace to carry out high-temperature curing at the temperature of 450 ℃;
s6: drawing an aluminum rod with the conductivity of more than or equal to 61% IACS into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a wire drawing machine, ensuring that the cross-sectional area of the soft aluminum conductor is 6-8% larger than the nominal area after twisting, and controlling the wire drawing speed to be less than or equal to 4 m/s;
s7: putting the soft aluminum wire with the trapezoidal or Z-shaped section into an annealing furnace for annealing, wherein the annealing temperature is 480 ℃, and the heat preservation time is 5 hours;
s8: tightly stranding 12 or 25 carbon fiber main cores in a spiral shape on the outer side of the carbon fiber main core through a stranding machine to obtain a wire core;
s9: the soft aluminum conductor with the trapezoidal or Z-shaped section is coiled on a stranding machine, 15, 20 and 22 soft aluminum conductors are sequentially and spirally stranded on the outer side of a core from inside to outside in three layers, the stranding direction of the soft aluminum conductor of a first soft aluminum conductor layer tightly attached to the core is opposite to that of a carbon fiber main core, and the stranding direction of the soft aluminum conductors in two adjacent soft aluminum conductor layers is opposite;
s10: the twisted wires are loaded on a delivery disk with the diameter of a wire coil core larger than 2000mm through a counter, and the bending radius of the wires is ensured to be larger than or equal to 30 times of the outer diameter of the cross section of the wires.
In this example, in S1, carbon particles, glass fibers, and ceramics were melted at high temperature in a high-temperature furnace at a temperature of 600 ℃.
In this embodiment, in S2, place the material that melts at high temperature in the tray, then set up a plurality of radiator fan around the tray, through starting radiator fan, can accelerate the cooling time who melts the material.
In this embodiment, in S3, when the mixed solution in the stirring device is stirred by using the rapid stirring method, the rapid stirring needs to reach 150 circles per minute, and the slow stirring needs to reach 70 circles per minute.
In this embodiment, in S4, the cooling channel is provided in the extruder, and the circulating water is provided in the cooling channel, so that the temperature of the mixed material can be reduced by using the cooling channel, which is helpful for the extruder to extrude the material.
In this example, in S5, the high-temperature curing time for the carbon fiber primary core was 45 min.
In the embodiment, in S6, an aluminum rod with the conductivity of more than or equal to 55% IACS is drawn into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a drawing machine, so that the cross-sectional area of the soft aluminum conductor is ensured to be 5% -6% larger than the nominal area after twisting, and the drawing speed is controlled to be less than or equal to 3 m/S.
In the embodiment, the tensile strength of the annealed soft aluminum wire with the trapezoidal or Z-shaped section is ensured to be 70MPa, the elongation is more than or equal to 28 percent, and the resistivity is less than or equal to 0.026369 omega-mm 2/m.
In this embodiment, in S9, the diameter of the first soft aluminum wire layer is: 24.1 +/-0.1 mm, and the diameter of the second soft aluminum conductor layer is as follows: 242.8 +/-0.1 mm, and the diameter of the third soft aluminum conductor layer is as follows: 39.8 +/-0.1 mm, and simultaneously ensures that the tensile strength of the trapezoidal or Z-shaped soft aluminum wire is 85MPa, the elongation is more than or equal to 20 percent, the resistivity is less than or equal to 0.0274 omega-mm 2/m, and the resistance is less than or equal to 0.015 omega/km.
In this embodiment, in S10, the stranded wires are loaded onto a delivery reel with a core diameter greater than 2200mm by a meter, and the bending radius of the wires is ensured to be greater than or equal to 28 times of the outer diameter of the cross section of the wires.
EXAMPLE III
A carbon fiber lead processing method comprises the following steps:
s1: taking 15 parts of carbon particles, 10 parts of glass fiber and 6 parts of ceramic to perform high-temperature melting;
s2: taking out the melted materials for cooling for 6 h;
s3: placing the cooled materials into stirring equipment for stirring, quickly stirring for 15min, then standing for 45min, and slowly stirring the mixed materials for 3h by using the stirring equipment after standing;
s4: putting the stirred material into an extruder, wherein the extruder can extrude and mold the mixed material into a carbon fiber main core;
s5: placing the carbon fiber main core in a furnace to cure at a high temperature of 500 ℃;
s6: drawing an aluminum rod with the conductivity of more than or equal to 61% IACS into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a wire drawing machine, ensuring that the cross-sectional area of the soft aluminum conductor is 4-8% larger than the nominal area after twisting, and controlling the wire drawing speed to be less than or equal to 4 m/s;
s7: putting the soft aluminum wire with the trapezoidal or Z-shaped section into an annealing furnace for annealing, wherein the annealing temperature is 500 ℃, and the heat preservation time is 6 hours;
s8: tightly stranding 12 or 25 carbon fiber main cores in a spiral shape on the outer side of the carbon fiber main core through a stranding machine to obtain a wire core;
s9: the soft aluminum conductor with the trapezoidal or Z-shaped section is coiled on a stranding machine, 15, 20 and 22 soft aluminum conductors are sequentially and spirally stranded on the outer side of a core from inside to outside in three layers, the stranding direction of the soft aluminum conductor of a first soft aluminum conductor layer tightly attached to the core is opposite to that of a carbon fiber main core, and the stranding direction of the soft aluminum conductors in two adjacent soft aluminum conductor layers is opposite;
s10: the twisted wires are loaded on a delivery disk with the diameter of a wire coil core larger than 2000mm through a counter, and the bending radius of the wires is ensured to be larger than or equal to 30 times of the outer diameter of the cross section of the wires.
In this example, in S1, carbon particles, glass fibers, and ceramics were melted at high temperature in a high-temperature furnace at a temperature of 650 ℃.
In this embodiment, in S2, place the material that melts at high temperature in the tray, then set up a plurality of radiator fan around the tray, through starting radiator fan, can accelerate the cooling time who melts the material.
In this embodiment, in S3, when the mixed solution in the stirring device is stirred by using the rapid stirring method, the rapid stirring needs to be 220 cycles per minute, and the slow stirring needs to be 90 cycles per minute.
In this embodiment, in S4, the cooling channel is provided in the extruder, and the circulating water is provided in the cooling channel, so that the temperature of the mixed material can be reduced by using the cooling channel, which is helpful for the extruder to extrude the material.
In this example, in S5, the high-temperature curing time for the carbon fiber primary core was 55 min.
In the embodiment, in S6, an aluminum rod with the conductivity of more than or equal to 55% IACS is drawn into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a drawing machine, so that the cross-sectional area of the soft aluminum conductor is ensured to be 5% -6% larger than the nominal area after twisting, and the drawing speed is controlled to be less than or equal to 3 m/S.
In the embodiment, the tensile strength of the annealed soft aluminum wire with the trapezoidal or Z-shaped section is ensured to be 80MPa, the elongation is more than or equal to 28 percent, and the resistivity is less than or equal to 0.026369 omega-mm 2/m.
In this embodiment, in S9, the diameter of the first soft aluminum wire layer is: 24.1 +/-0.1 mm, and the diameter of the second soft aluminum conductor layer is as follows: 242.8 +/-0.1 mm, and the diameter of the third soft aluminum conductor layer is as follows: 39.8 +/-0.1 mm, and simultaneously ensures that the tensile strength of the trapezoidal or Z-shaped soft aluminum wire is 90MPa, the elongation is more than or equal to 20 percent, the resistivity is less than or equal to 0.0274 omega-mm 2/m, and the resistance is less than or equal to 0.015 omega/km.
In this embodiment, in S10, the stranded wires are loaded onto a delivery reel with a core diameter greater than 2200mm by a meter, and the bending radius of the wires is ensured to be greater than or equal to 28 times of the outer diameter of the cross section of the wires.
Comparative experiments of the properties of examples 1-3 were carried out comparing conventional carbon fiber wire and the experimental data are shown in the following table:
| examples | A | II | III |
| Percent production rate | 38% | 41% | 43% |
| Percentage of mass stability | 35% | 37% | 42% |
As can be seen from the above table, the present invention can improve the production speed and quality stability of the carbon fiber wire, and the third embodiment is the best embodiment.
Claims (10)
1. A carbon fiber lead processing method is characterized by comprising the following steps:
s1: taking 10-15 parts of carbon particles, 5-10 parts of glass fiber and 3-6 parts of ceramic for high-temperature melting;
s2: taking out the melted materials for cooling for 3-6 h;
s3: placing the cooled materials into stirring equipment for stirring, quickly stirring for 10-15min, then standing for 30-45min, and after standing, slowly stirring the mixed materials for 1-3h by using the stirring equipment;
s4: putting the stirred material into an extruder, wherein the extruder can extrude and mold the mixed material into a carbon fiber main core;
s5: placing the carbon fiber main core in a furnace at a temperature of 400-500 ℃ for high-temperature curing;
s6: drawing an aluminum rod with the conductivity of more than or equal to 61% IACS into a soft aluminum conductor with a trapezoidal or Z-shaped section by using a wire drawing machine, ensuring that the cross-sectional area of the soft aluminum conductor is 4-8% larger than the nominal area after twisting, and controlling the wire drawing speed to be less than or equal to 4 m/s;
s7: putting the soft aluminum wire with the trapezoidal or Z-shaped section into an annealing furnace for annealing, wherein the annealing temperature is 450-500 ℃, and the heat preservation time is 4-6 hours;
s8: tightly stranding 12 or 25 carbon fiber main cores in a spiral shape on the outer side of the carbon fiber main core through a stranding machine to obtain a wire core;
s9: the soft aluminum conductor with the trapezoidal or Z-shaped section is coiled on a stranding machine, 15, 20 and 22 soft aluminum conductors are sequentially and spirally stranded outside the wire core from inside to outside in three layers, the stranding direction of the soft aluminum conductor of the first soft aluminum conductor layer tightly attached to the wire core is opposite to that of the carbon fiber main core, and the stranding direction of the soft aluminum conductors in the two adjacent soft aluminum conductor layers is opposite;
s10: the twisted wires are loaded on a delivery disk with the diameter of a wire coil core larger than 2000mm through a counter, and the bending radius of the wires is ensured to be larger than or equal to 30 times of the outer diameter of the cross section of the wires.
2. The method for processing a carbon fiber wire according to claim 1, wherein in step S1, the carbon particles, the glass fibers and the ceramic are melted at a high temperature in a high temperature furnace, and the temperature in the high temperature furnace is 500 to 650 ℃.
3. The carbon fiber lead processing method as claimed in claim 1, wherein in S2, the material melted at high temperature is placed in a tray, and then a plurality of heat dissipation fans are disposed around the tray, so that the cooling time of the melted material can be accelerated by activating the heat dissipation fans.
4. The method as claimed in claim 1, wherein in step S3, when the mixed solution in the stirring device is stirred by rapid stirring, the rapid stirring is required to reach 220 cycles per minute, and the slow stirring is required to reach 60-90 cycles per minute.
5. The method as claimed in claim 1, wherein in S4, the extruder is provided with a cooling channel, and the cooling channel is provided with recycled water, so that the temperature of the mixed material can be reduced by using the cooling channel, thereby facilitating the extruder to extrude the material.
6. The method for processing a carbon fiber lead according to claim 1, wherein in the step S5, the high-temperature curing time of the carbon fiber main core is 30-55 min.
7. The method for processing the carbon fiber lead of claim 1, wherein in S6, an aluminum rod with the conductivity of more than or equal to 55% IACS is drawn into a soft aluminum lead with a trapezoidal or Z-shaped section by a drawing machine, the cross-sectional area of the soft aluminum lead is ensured to be 5% -6% larger than the nominal area after twisting, and the drawing speed is controlled to be less than or equal to 3 m/S.
8. The processing method of the carbon fiber lead of claim 1, wherein in S7, the tensile strength of the annealed soft aluminum lead with the trapezoidal or Z-shaped section is ensured to be 65-80 MPa, the elongation is not less than 28%, and the resistivity is not more than 0.026369 Ω -mm 2/m.
9. The carbon fiber wire processing method according to claim 1, wherein in S9, the diameter of the first soft aluminum wire layer is: 24.1 +/-0.1 mm, and the diameter of the second soft aluminum conductor layer is as follows: 242.8 +/-0.1 mm, and the diameter of the third soft aluminum conductor layer is as follows: 39.8 +/-0.1 mm, and simultaneously ensures that the tensile strength of the trapezoidal or Z-shaped soft aluminum wire is 80-90 MPa, the elongation is more than or equal to 20 percent, the resistivity is less than or equal to 0.0274 omega-mm 2/m, and the resistance is less than or equal to 0.015 omega/km.
10. The method of claim 1, wherein in step S10, the stranded conductor is loaded on a delivery reel with a core diameter greater than 2200mm by a meter, and the bending radius of the conductor is greater than or equal to 28 times the outer diameter of the conductor.
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