CN110038918A - The processing technology of high-strength highly-conductive pure copper wire - Google Patents
The processing technology of high-strength highly-conductive pure copper wire Download PDFInfo
- Publication number
- CN110038918A CN110038918A CN201910448798.9A CN201910448798A CN110038918A CN 110038918 A CN110038918 A CN 110038918A CN 201910448798 A CN201910448798 A CN 201910448798A CN 110038918 A CN110038918 A CN 110038918A
- Authority
- CN
- China
- Prior art keywords
- copper
- baffle
- cooling duct
- bushing
- processing technology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 50
- 239000010949 copper Substances 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000001953 recrystallisation Methods 0.000 claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 12
- 238000007872 degassing Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 10
- 239000010439 graphite Substances 0.000 claims abstract description 10
- 238000003723 Smelting Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000003610 charcoal Substances 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 abstract description 14
- 230000008025 crystallization Effects 0.000 abstract description 14
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000008520 organization Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000009867 copper metallurgy Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Conductive Materials (AREA)
Abstract
The present invention relates to material processing and forming fields, more particularly to a kind of processing technology of high-strength highly-conductive pure copper wire, include the following steps, it using cathode copper as raw material, is melted in smelting apparatus after drying, smelting temperature is 900 DEG C -1200 DEG C, guarantee vacuum state when fusing using charcoal and graphite flakes covering copper liquid surface, and through online degasification, deoxidation, stirring, the online degasification, deoxidation, stirring technique refer to, to achieve the purpose that degasification, deoxidation；Continuous up-casting is used to copper liquid, copper bar is produced using continuous extruder to copper base；To the copper bar material recrystallization annealing after continuously extruded, it is further continued for tandem rolling, by Continuous mill train, copper bar material is rolled into line base；By second of the recrystallization annealing of line base of continuous rolling, copper wire is obtained by drawing unit.Metal of the present invention passes through multiple recrystallization annealing, dense structure；The fine copper oxygen content that the present invention produces is low, conducts electricity very well.Entire slab crystallization uniformly improves fine copper intensity and extension property.
Description
Technical field
The present invention relates to material processing and forming fields, and in particular to a kind of processing technology of high-strength highly-conductive pure copper wire.
Background technique
Fine copper has very high conductive, heating conduction and higher plastic deformation ability, and has good corrosion resistance
Can, it is widely used in industry as good conductor.However, although fine copper has the advantages that high conductivity, tensile strength pole
It is low, and lead to easily processing hardening due to its extremely low Static Recrystallization temperature feature, to inhibit further plastic deformation.
Therefore, pure copper material is applied to conducting wire, conductor and cooler etc. mostly, it is difficult to meet a variety of application demands as structural material.
The fine copper tissue looseness produced using the fine copper and powder metallurgy of produced in conventional processes, conductivity and tensile strength are still relatively low,
It is not able to satisfy the use of certain special occasions.
Summary of the invention
The technical problem to be solved by the present invention is to solve the above shortcomings of the prior art and to provide a kind of electric conductivity, by force
Spend high copper wire processing technology.
The technical scheme adopted by the invention is that:
The processing technology of high-strength highly-conductive pure copper wire, comprising the following steps:
(1) it using cathode copper as raw material, being melted in smelting apparatus after drying, smelting temperature is 900 DEG C -1200 DEG C,
Guarantee vacuum state when fusing using charcoal and graphite flakes covering copper liquid surface, and through online degasification, deoxidation, stirring, institute
The online degasification stated, deoxidation, stirring technique refer to, are filled with 99.999% argon gas or nitrogen into copper liquid by online depassing unit
Gas, and by controlled rotation graphite shaft and rotor, the argon gas of metering or nitrogen are pressed into copper liquid and are dispersed as micro-bubble,
It is uniformly dispersed in it in copper liquid, to achieve the purpose that degasification, deoxidation；
(2) continuous up-casting, crystallizer 0.2~0.6MPa of hydraulic pressure are used to the copper liquid that step (1) generates, crystallizer goes out water temperature
Degree control is at 20 DEG C~35 DEG C；
(3) copper bar is produced using continuous extruder to the copper base that step (2) generate；
(4) to the copper bar material recrystallization annealing after continuously extruded, 430 DEG C -500 DEG C are heated to, after being kept for one hour then
Furnace cooling is further continued for tandem rolling, and by Continuous mill train, copper bar material is rolled into line base；
(5) by second of the recrystallization annealing of line base of continuous rolling, 480 DEG C -600 DEG C are heated to, after being kept for one hour so
Furnace cooling afterwards obtains copper wire by drawing unit.
Further preferably, the crystallizer includes inner layer cylinder shape bushing and outer shell, is set between bushing and shell
Have the first cooling duct, bushing both ends are equipped with boss, boss be equipped with the first water inlet being connected with the first cooling duct and
First water outlet, shell is interior to be equipped with the second cooling duct, and shell is equipped with the second water inlet being connected with the second cooling duct
With the second water outlet, first cooling duct is arranged along liner outer wall annular, and second cooling duct is along bushing axial direction side
To setting.
Further preferably, the bushing is equipped with first baffle and second baffle, and the first baffle is with jagged
Annulus, angular interval is set on bushing, and the both ends of second baffle are separately connected under the notch of two neighboring first baffle
End and upper end；One end close to the first baffle of boss is connected with boss, and the other end is connected with notch one end；The second baffle
Inclined direction it is consistent, first baffle, second baffle, boss and shell form the second cooling duct of helical form.
Further preferably, the angle of the second baffle and first baffle is 135 °.
Further preferably, second cooling duct is back-shaped channel, the cooling water inlet of the second cooling duct and cold
But the adjacent setting of water out is on same vertical direction.
Further preferably, the leaving water temperature of first cooling duct is 20 DEG C -25 DEG C, the water outlet of the second cooling duct
Temperature is 25 DEG C -35 DEG C.
Further preferably, the bushing and housing junction are equipped with rubber seal.
Further preferably, the bushing uses graphite bushing.
Further preferably, online depassing unit is passed through into copper liquid by argon gas or nitrogen simultaneously in the step (1)
CO, to eliminate oxygen.
Compared with the prior art, the invention has the benefit that metal of the present invention passes through multiple recrystallization annealing, tissue is caused
It is close；Tiny equi-axed crystal can be obtained by continuous rolling, further improve institutional framework, blank dense internal organization, energy gram
The disadvantage of Fu Shangyin technique tissue looseness improves intensity, while the fine copper oxygen content that this technique is produced is low, improves electric conductivity
Energy.In addition, when crystallizer using double cooling ducts, can reduce crystallization axially and radially on the temperature difference so that heat dissipation is more evenly,
Radiating efficiency is improved, crystallizer crystallization rate is consistent, so that entire slab crystallization be made uniformly to improve fine copper intensity and prolong
Stretch performance.
Detailed description of the invention
Fig. 1 is processing process figure of the invention；
Fig. 2 is the structural schematic diagram of crystallizer in the present invention；
Fig. 3 is the structure expanded view of the second cooling duct in the present invention.
Illustrate: 1- bushing, the first water inlet of 2-, 3- shell, 4- first baffle, 5- second baffle, 6- first are discharged
Mouthful, the second cooling duct 7-, 701- cooling water outlet, 702- cooling water inlet, the second water inlet of 8-, the second water outlet of 9-, 10-
First cooling duct, 11- rubber seal.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention.
As shown in Figure 1, the processing technology of high-strength highly-conductive pure copper wire of the invention, comprising the following steps:
(1) it using cathode copper as raw material, being melted in smelting apparatus after drying, smelting temperature is 900 DEG C -1200 DEG C,
Guarantee vacuum state when fusing using charcoal and graphite flakes covering copper liquid surface, and through online degasification, deoxidation, stirring, institute
The online degasification stated, deoxidation, stirring technique refer to, are filled with 99.999% argon gas or nitrogen into copper liquid by online depassing unit
Gas, and by controlled rotation graphite shaft and rotor, the argon gas of metering or nitrogen are pressed into copper liquid and are dispersed as micro-bubble,
It is uniformly dispersed in it in copper liquid, to achieve the purpose that degasification, deoxidation；
(2) continuous up-casting, crystallizer 0.2~0.6MPa of hydraulic pressure are used to the copper liquid that step (1) generates, crystallizer goes out water temperature
Degree control is at 20 DEG C~35 DEG C；
(3) copper bar is produced using continuous extruder to the copper base that step (2) generate；
(4) to the copper bar material recrystallization annealing after continuously extruded, 430 DEG C -500 DEG C are heated to, after being kept for one hour then
Furnace cooling is further continued for tandem rolling, and by Continuous mill train, copper bar material is rolled into line base；
(5) by second of the recrystallization annealing of line base of continuous rolling, 480 DEG C -600 DEG C are heated to, after being kept for one hour so
Furnace cooling afterwards obtains copper wire by drawing unit.
This technique uses continuous casting, reduces oxygen content, is conducive to improve conductivity, while passing through multiple cold deformation
Replace with recrystallization annealing, metal stress is good, dense structure.Tiny equi-axed crystal can be obtained by continuous rolling, into
One step improves institutional framework, and blank dense internal organization can overcome the disadvantage of Shang Yin technique tissue looseness, improves intensity.
In order to guarantee the crystallization effect of the copper liquid in continuous up-casting, the mold structure that the present invention uses is as shown in Fig. 2, knot
Brilliant device includes inner layer cylinder shape bushing 1 and outer shell 3, and bushing 1 uses graphite bushing 1.The is equipped between bushing 1 and shell 3
One cooling duct 10,1 both ends of bushing are equipped with boss, and boss is equipped with the first water inlet 2 being connected with the first cooling duct 10
With the first water outlet 6, shell 3 is equipped with the second cooling duct 7, and shell 3 is equipped with second to be connected with the second cooling duct 7
Water inlet 8 and the second water outlet 9.Two mutually independent cooling ducts are arranged in the present invention, are conducive to the heat dissipation for improving crystallizer
Ability.First cooling duct 10 is arranged along the outer wall circular of bushing 1, and second cooling duct 7 is set along 1 axial direction of bushing
It sets, so that the flow of cooling water direction in the first cooling duct 10 and the second cooling duct 7 is vertical, improves heat-exchange capacity, and
When can reduce crystallization axially and radially on temperature difference improve crystallization effect so that copper liquid crystallization rate is uniformly reasonable.
Two cooling ducts can supply the cooling water of different flow as required, and the flow of the first cooling duct 10 is greater than the
Two cooling ducts, 7 flow, realizes the independent control of two cooling ducts, cooling by bilayer, strengthens intensity of cooling, improves heat and hands over
Transducing power is consistent crystallizer crystallization rate, so that entire slab crystallization be made uniformly to improve copper liquid intensity and extension property.
More specifically, bushing 1 is equipped with first baffle 4 and second baffle 5, and the first baffle 4 is with jagged
Annulus, angular interval is set on bushing 1, and the spacing between first baffle 4 can adjust according to actual needs.Second baffle
5 both ends are separately connected the lower end and upper end of the notch of two neighboring first baffle 4；Close to one end of the first baffle 4 of boss
Be connected with boss, the other end is connected with notch one end, i.e., connect positioned at 5 one end of second baffle at both ends with boss, the other end and
Notch connection.The inclined direction of the second baffle 5 is consistent, and first baffle 4, second baffle 5, boss and shell 3 form spiral shell
Revolve the second cooling duct of shape 7.First water inlet 2 and the first water outlet 6 are located at the both ends of boss, and with the second cooling duct
7 connections.The angle of second baffle 5 and first baffle 4 is 135 ° (45 °).First baffle 4 and second baffle 5 can increase crystallization
The contact area of device and water flow takes away more heats, while the second baffle 5 being obliquely installed makes 7 shape of the second cooling duct
It is spiral, increase fluid turbulent performance, improves heat dissipation performance.
Second cooling duct 7 of the invention as shown in figure 3, the second cooling duct 7 is back-shaped channel and is dispersed throughout shell 3,
For the adjacent setting of the cooling water inlet 702 and cooling water outlet 701 of second cooling duct 7 on same vertical direction, second is cold
But the second water inlet 8 and the second water outlet 9 on the cooling water inlet 702 and cooling water outlet 701 Yu shell 3 in channel 7.It is cooling
Water flows into cooling water inlet 702 from the second water inlet 8 on shell 3, recycles in the second cooling duct 7, from cooling water outlet
701 outflows, because the second cooling duct 7 is back-shaped structure distribution on shell 3, it is poor to can reduce axial temperature, improves heat dissipation
Uniformity obtains the equiax crystal of fine uniform, plays the role of refined crystalline strengthening.
The leaving water temperature of first cooling duct 10 is 20 DEG C -25 DEG C, and the leaving water temperature of the second cooling duct 7 is 25 DEG C -35
DEG C, heat-exchange capacity is improved, guarantees copper base quality.
In order to improve the leakproofness of crystallizer, the exudation of cooling water is prevented, is equipped with rubber in bushing 1 and 3 junction of shell
Sealing ring 11.
Online depassing unit is passed through CO simultaneously by argon gas or nitrogen into copper liquid in step (1), to eliminate oxygen, reduces
Copper liquid oxygen content.
Processing technology of the present invention obtains hypoxic copper wire, improves electric conductivity, while by by being repeatedly cold worked
Deformation and recrystallization annealing are arranged alternately, so that dense structure；Tiny equi-axed crystal can be obtained by continuous rolling, further
Improve institutional framework, blank dense internal organization can overcome the disadvantage of Shang Yin technique tissue looseness, improve intensity, while this work
The fine copper oxygen content that skill is produced is low, improves electric conductivity.In addition, crystallizer can reduce crystallization using double cooling ducts
When axially and radially on the temperature difference so that heat dissipation more evenly, improve radiating efficiency, be consistent crystallizer crystallization rate, from
And entire slab crystallization is made uniformly to improve fine copper intensity and extension property.The resistivity for the fine copper that the present invention obtains is less than or equal to
1.5×10-8Ω m, tensile strength are more than or equal to 425MPa.
The above only expresses the preferred embodiment of the present invention, and the description thereof is more specific and detailed, but can not be because
This and be interpreted as limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, several deformations can also be made, improves and substitutes, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. the processing technology of high-strength highly-conductive pure copper wire, which comprises the following steps:
(1) it using cathode copper as raw material, is melted in smelting apparatus after drying, smelting temperature is 900 DEG C -1200 DEG C, is used
Charcoal and graphite flakes covering copper liquid surface guarantee vacuum state when fusing, and through online degasification, deoxidation, stirring, described
Online degasification, deoxidation, stirring technique refer to, are filled with 99.999% argon gas or nitrogen into copper liquid by online depassing unit,
And by controlled rotation graphite shaft and rotor, the argon gas of metering or nitrogen are pressed into copper liquid and are dispersed as micro-bubble, is made
It is uniformly dispersed in copper liquid, to achieve the purpose that degasification, deoxidation；
(2) continuous up-casting, crystallizer 0.2~0.6MPa of hydraulic pressure, crystallizer leaving water temperature control are used to the copper liquid that step (1) generates
System is at 20 DEG C~35 DEG C；
(3) copper bar is produced using continuous extruder to the copper base that step (2) generate；
(4) to the copper bar material recrystallization annealing after continuously extruded, 430 DEG C -500 DEG C are heated to, then with furnace after being kept for one hour
It is cooling, it is further continued for tandem rolling, by Continuous mill train, copper bar material is rolled into line base；
(5) by second of the recrystallization annealing of line base of continuous rolling, 480 DEG C -600 DEG C are heated to, after being kept for one hour then with
Furnace is cooling, obtains copper wire by drawing unit.
2. the processing technology of high-strength highly-conductive pure copper wire according to claim 1, which is characterized in that the crystallizer includes interior
The cylindric bushing of layer and outer shell, are equipped with the first cooling duct between bushing and shell, bushing both ends are equipped with boss, on boss
Equipped with the first water inlet and the first water outlet being connected with the first cooling duct, the second cooling duct, shell are equipped in shell
It is equipped with the second water inlet and the second water outlet being connected with the second cooling duct, first cooling duct is along liner outer wall
Annular setting, second cooling duct are arranged along bushing axial direction.
3. the processing technology of high-strength highly-conductive pure copper wire according to claim 2, which is characterized in that the bushing is equipped with the
One baffle and second baffle, the first baffle are with annulus jaggy, and angular interval is set on bushing, second baffle
Both ends are separately connected the lower end and upper end of the notch of two neighboring first baffle；One end and boss close to the first baffle of boss
It is connected, the other end is connected with notch one end；The inclined direction of the second baffle is consistent, first baffle, second baffle, boss
The second cooling duct of helical form is formed with shell.
4. the processing technology of high-strength highly-conductive pure copper wire according to claim 3, which is characterized in that the second baffle and
The angle of one baffle is 135 °.
5. the processing technology of high-strength highly-conductive pure copper wire according to claim 2, which is characterized in that second cooling duct
For back-shaped channel, the adjacent setting of the cooling water inlet and cooling water outlet of the second cooling duct is on same vertical direction.
6. the processing technology of high-strength highly-conductive pure copper wire according to claim 2, which is characterized in that first cooling duct
Leaving water temperature be 20 DEG C -25 DEG C, the leaving water temperature of the second cooling duct is 25 DEG C -35 DEG C.
7. the processing technology of high-strength highly-conductive pure copper wire according to claim 2, which is characterized in that the bushing and shell connect
It meets place and is equipped with rubber seal.
8. the processing technology of high-strength highly-conductive pure copper wire according to claim 2, which is characterized in that the bushing uses graphite
Bushing.
9. the processing technology of high-strength highly-conductive pure copper wire according to claim 1, which is characterized in that in the step (1)
Line depassing unit is passed through CO simultaneously by argon gas or nitrogen into copper liquid, to eliminate oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448798.9A CN110038918B (en) | 2019-05-28 | 2019-05-28 | Processing technology of high-strength high-conductivity pure copper wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448798.9A CN110038918B (en) | 2019-05-28 | 2019-05-28 | Processing technology of high-strength high-conductivity pure copper wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110038918A true CN110038918A (en) | 2019-07-23 |
| CN110038918B CN110038918B (en) | 2020-08-11 |
Family
ID=67283872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910448798.9A Active CN110038918B (en) | 2019-05-28 | 2019-05-28 | Processing technology of high-strength high-conductivity pure copper wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110038918B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408631A (en) * | 2020-01-16 | 2020-07-14 | 浙江久立电气材料有限公司 | Manufacturing process of high-voltage-resistant precise wire suitable for new energy automobile |
| CN113774229A (en) * | 2021-09-08 | 2021-12-10 | 虹华科技股份有限公司 | Processing technology of high-strength high-conductivity high-purity copper wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023398A1 (en) * | 1996-11-29 | 1998-06-04 | Bicc Public Limited Company | Manufacture of copper wire |
| CN202894245U (en) * | 2012-11-26 | 2013-04-24 | 圣力(福州)重工有限公司 | Tubular crystallizer of rectangular bloom and bloom of double-cooling loop |
| CN106282646A (en) * | 2016-08-10 | 2017-01-04 | 安徽晋源铜业有限公司 | A kind of processing method of quasiconductor welding copper cash |
| CN106424197A (en) * | 2016-10-31 | 2017-02-22 | 江西凯安智能股份有限公司 | Processing technology for high-purity and high-electric conductivity oxygen-free copper wire |
| CN108838352A (en) * | 2018-05-25 | 2018-11-20 | 中冶连铸技术工程有限责任公司 | A kind of crystallizer of double water jacket structure |
-
2019
- 2019-05-28 CN CN201910448798.9A patent/CN110038918B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023398A1 (en) * | 1996-11-29 | 1998-06-04 | Bicc Public Limited Company | Manufacture of copper wire |
| CN202894245U (en) * | 2012-11-26 | 2013-04-24 | 圣力(福州)重工有限公司 | Tubular crystallizer of rectangular bloom and bloom of double-cooling loop |
| CN106282646A (en) * | 2016-08-10 | 2017-01-04 | 安徽晋源铜业有限公司 | A kind of processing method of quasiconductor welding copper cash |
| CN106424197A (en) * | 2016-10-31 | 2017-02-22 | 江西凯安智能股份有限公司 | Processing technology for high-purity and high-electric conductivity oxygen-free copper wire |
| CN108838352A (en) * | 2018-05-25 | 2018-11-20 | 中冶连铸技术工程有限责任公司 | A kind of crystallizer of double water jacket structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408631A (en) * | 2020-01-16 | 2020-07-14 | 浙江久立电气材料有限公司 | Manufacturing process of high-voltage-resistant precise wire suitable for new energy automobile |
| CN113774229A (en) * | 2021-09-08 | 2021-12-10 | 虹华科技股份有限公司 | Processing technology of high-strength high-conductivity high-purity copper wire |
| CN113774229B (en) * | 2021-09-08 | 2023-11-28 | 虹华科技股份有限公司 | Processing technology of high-strength high-conductivity high-purity copper wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110038918B (en) | 2020-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104307918B (en) | Aluminum for electric engineering taking high-quality aluminium ingot as raw material and the production technology of aluminium bar bus | |
| CN203495173U (en) | Large-diameter high-purity oxygen-free copper casting blank horizontal continuous casting conjoined furnace | |
| CN110038918A (en) | The processing technology of high-strength highly-conductive pure copper wire | |
| CN108018440A (en) | A kind of preparation method of copper alloy with high strength and high conductivity silk material | |
| CN108893646A (en) | A kind of preparation method of electrode material copper chromium zirconium-niobium alloy | |
| CN108179305A (en) | A kind of continuously extruded method for preparing Cu-Cr-Zr alloy bar | |
| CN107655333B (en) | Composite heating type heat treatment furnace | |
| CN104307915B (en) | Production technology for electrical buses which use high-quality aluminum ingots as raw materials | |
| CN106216431A (en) | A kind of production technology of D type copper pipe | |
| CN206392600U (en) | Double right angle channel continuous extrusion devices | |
| CN109957670A (en) | A kind of commutator copper silver tellurium alloy and preparation method thereof | |
| CN104233006A (en) | Novel aluminum alloy internal groove circular tube | |
| CN104438425B (en) | Method for preparing buses for electrical engineering through taking high-quality aluminum ingots as raw material | |
| CN102676957B (en) | Anti-corrosion aluminum alloy for complex heat conduction system and production method thereof | |
| CN209794488U (en) | High-speed extruder of cable | |
| CN208042770U (en) | Continuous type titanic alloy machining equipment | |
| CN102794321A (en) | Preparation process of composite bimetallic wire substrate | |
| CN206781069U (en) | A kind of equipment of continuous production graphene heat conducting film | |
| CN206690517U (en) | A kind of water cooling plant of Teflon extruder | |
| CN107557594A (en) | A kind of method of purification of rafifinal | |
| CN104307916A (en) | Preparation method of aluminum and aluminum alloy bus | |
| CN206392601U (en) | Right angle channel continuous extrusion device | |
| CN206269591U (en) | Non-vacuum melting device | |
| CN206266664U (en) | On-line continuous solution strengthening device | |
| CN215935148U (en) | Radio frequency plasma generator and reaction synthesis chamber thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 335400 Guixi City Industrial Park, Yingtan, Jiangxi Patentee after: Jiangxi Kaian Intelligent Co.,Ltd. Address before: 335000 Guixi Industrial Park, Yingtan City, Jiangxi Province Patentee before: JIANGXI KAI'AN INTELLIGENT LIMITED BY SHARE Co.,Ltd. |
|
| CP03 | Change of name, title or address |