CN107354507A - A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology - Google Patents
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology Download PDFInfo
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- CN107354507A CN107354507A CN201710641592.9A CN201710641592A CN107354507A CN 107354507 A CN107354507 A CN 107354507A CN 201710641592 A CN201710641592 A CN 201710641592A CN 107354507 A CN107354507 A CN 107354507A
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/001—Continuous growth
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/02—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method without using solvents
Abstract
The invention discloses a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology, comprise the following steps：Electrolytic copper material is launched in closing mixing melt stove and carries out melting, aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder are put into the copper liquid of melting, the aeration vent discharge in melt furnace roof portion is mixed by closing by the import of ventilating for closing mixing melt furnace bottom again to the mixed gas for mixing melt stove and leading to nitrogen and carbon monoxide, mixed gas is closed；Molten mixture is transferred in continuous up-casting melt stove, molten mixture is set to enter in upward continuous casting crystallizer by siphonage, Base top contact by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from upward continuous casting crystallizer, finally manufactured conductive copper bar is packed coiled.The monocrystalline conductive copper bar that the present invention produces and processes can increase by 60%~80% compared to polycrystalline conduction copper material bar, elongation percentage, and resistivity can reduce by 15%~20%.
Description
Technical field
The present invention relates to a kind of Copper fabrication technology field, particularly a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production
Technique.
Background technology
Monocrystalline conduction copper material is a kind of novel conductor material for polycrystalline conduction copper material, due in metallic microscopic
Transverse grain boundaries are eliminated in structure, so as to significantly increase the fidelity of the electric conductivity of conductive copper material and signal transmission；
In terms of specifically extensibility and electric conductivity, monocrystalline conduction copper material can increase by 60% compared to polycrystalline conduction copper material bar, elongation percentage
~80%, resistivity can reduce by 15%~20%, can be widely applied to the e-mail manner of breathing such as audio and video equipment, high-definition television
Pass field.
What the production of monocrystalline conduction copper material was mainly combined in technique using directional solidification technique and continuously casting technology
Method；Monocrystalline conduction copper material is mainly processed production by horizontal continuous casting process in the prior art, and horizontal continuous casting process obtains
Strand in oxygen content be difficult to control, the qualification rate of the strand of production is relatively low；And the strand produced through horizontal continuous casting process is follow-up
Also need to that by rolling finished product can be obtained.
Updraft continuous casting process is the prevailing technology of current copper rod production, mainly for the production of the oxygen-free copper pipe that long length is bright
And the oxygen-free copper slab section bar that long length is bright, copper material upper lead conticaster can be directly using the productions of cathode copper continuous fusion-cast not
Pole stock, tubing, slab or other profile shapes of same specification, its have advanced technology, good product quality, specific energy consumption it is low,
Produce kind and specification is versatile and flexible, strong adaptability, without three-waste pollution, the features such as.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of monocrystalline conductive copper rod up-leading continuous metal cast process to produce work
Skill, it disclosure satisfy that actual production requirement.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology, comprises the following steps：
Melting is carried out in closing mixing melt stove Step 1: 100 parts of electrolytic copper material is launched, smelting temperature be 1100~
1200 degrees Celsius, after cathode copper melts completely, continue melting 15~20 minutes；
Step 2: put into the copper liquid of melting 0.6~0.7 part of aluminium-antimony alloy powder, 0.02~0.03 part of europium oxide powder and
1.1~1.2 parts of beryllium alumin(i)um alloy powder；The content of antimony element is 25%~35% in aluminium-antimony alloy powder, and remaining is aluminium element；Aluminizing
The content of beryllium element is 60%~65% in alloy powder, and remaining is aluminium element；
Step 3: setting ventilation import in the bottom of closing mixing melt stove, ventilation is set at the top of closing mixing melt stove
Outlet, the copper liquid for the melting for adding aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder is maintained at 1080~
1100 degrees Celsius, melting 40~50 minutes；
Step 4: lead to the mixed gas of nitrogen and carbon monoxide, nitrogen and an oxygen by ventilating import to closing mixing melt stove
It is 1/9 to change the mixed volume of carbon monoxide and nitrogen ratio in the mixed gas of carbon；Mixed gas is discharged by aeration vent again；
It is transferred to Step 5: will close and mix the molten mixture in melt stove in continuous up-casting melt stove, continuous up-casting melt
The heating-up temperature of stove is 1080~1100 degrees Celsius；Then make molten mixture enter continuous up-casting by siphonage to crystallize
In device, crystallisation by cooling is carried out by cooling water system in upward continuous casting crystallizer, the inflow temperature of cooling water system is not more than
30 degrees Celsius, the leaving water temperature of cooling water system is not more than 45 degrees Celsius；
Step 6: by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from the top of upward continuous casting crystallizer
Portion is drawn, and is pulled conductive copper bar with 100~120 millimeters per minute of speed, finally manufactured conductive copper bar is packed coiled.
As the further improvement of above-mentioned technical proposal, in step 2, aluminium-antimony alloy will be put into the copper liquid to melting
1.1 parts of 0.7 part of powder, 0.025 part of europium oxide powder and beryllium alumin(i)um alloy powder；The content of antimony element is in aluminium-antimony alloy powder
30%, remaining is aluminium element；The content of beryllium element is 65% in beryllium alumin(i)um alloy powder, and remaining is aluminium element.
As the further improvement of above-mentioned technical proposal, in step 4, detect in the mixed gas that aeration vent is discharged
The concentration of carbon monoxide, when the volume of carbon monoxide in the mixed gas of aeration vent discharge is 10%, you can stop step 4
Operation and carry out the operation of step 5.
As the further improvement of above-mentioned technical proposal, in step 5, molten mixture in continuous up-casting melt stove
Depth is 80~100 centimetres, and the spacing between the lower end of upward continuous casting crystallizer and continuous up-casting melt furnace bottom is 20~30
Centimetre.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology provided by the present invention, there is good product quality, specific energy consumption
Low, production kind and specification is versatile and flexible, strong adaptability, without three-waste pollution, the advantages that；And the production process of the present invention is continuous
Property is good, production efficiency is high；The monocrystalline conductive copper bar that the present invention produces and processes can increase compared to polycrystalline conduction copper material bar, elongation percentage
Add 60%~80%, resistivity can reduce by 15%~20%.
Embodiment
Below in conjunction with specific embodiments come be further described the present invention technology contents.
Specific embodiment 1
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology that the present embodiment is provided, comprises the following steps：
Melting, smelting temperature 1100 are carried out Step 1: the electrolytic copper material of double centner is launched in closing mixing melt stove
~1200 degrees Celsius, after cathode copper melts completely, continue melting 15~20 minutes.
Step 2: 650 grams of aluminium-antimony alloy powder, 20 grams of europium oxide powder and beryllium alumin(i)um alloy powder are put into the copper liquid of melting
1150 grams of end；The content of antimony element is 35% in aluminium-antimony alloy powder, and remaining is aluminium element；Beryllium element in beryllium alumin(i)um alloy powder
Content is 63%, and remaining is aluminium element.
Step 3: setting ventilation import in the bottom of closing mixing melt stove, set at the top of closing mixing melt stove
Aeration vent, the copper liquid for the melting for adding aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder is maintained at 1080
~1100 degrees Celsius, melting 40~50 minutes.
Step 4: lead to the mixed gas of nitrogen and carbon monoxide by ventilating import to closing mixing melt stove, nitrogen and
The mixed volume of carbon monoxide and nitrogen ratio is 1/9 in the mixed gas of carbon monoxide；Mixed gas is discharged by aeration vent again；
The concentration of carbon monoxide in the mixed gas of aeration vent discharge is detected, when carbon monoxide in the mixed gas of aeration vent discharge
Volume be 10% when, you can stop the operation of step 4 and carry out the operation of step 5.
It is transferred to Step 5: will close and mix the molten mixture in melt stove in continuous up-casting melt stove, continuous up-casting
The heating-up temperature of melt stove is 1080~1100 degrees Celsius；The depth of molten mixture is 80~100 in continuous up-casting melt stove
Centimetre, the spacing between the lower end of upward continuous casting crystallizer and continuous up-casting melt furnace bottom is 20~30 centimetres；Then pass through
Siphonage makes molten mixture enter in upward continuous casting crystallizer, is entered in upward continuous casting crystallizer by cooling water system
Row crystallisation by cooling, the inflow temperature of cooling water system are not more than 30 degrees Celsius, and the leaving water temperature of cooling water system is taken the photograph no more than 45
Family name's degree.
Step 6: by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from upward continuous casting crystallizer
Base top contact, and be pulled conductive copper bar with 100~120 millimeters per minute of speed, finally manufactured conductive copper bar packed
In rolls.
Specific embodiment 2
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology that the present embodiment is provided, specific steps and specific embodiment 1
Identical, difference is：
Step 2: 600 grams of aluminium-antimony alloy powder, 30 grams of europium oxide powder and beryllium alumin(i)um alloy powder are put into the copper liquid of melting
1200 grams；The content of antimony element is 25% in aluminium-antimony alloy powder, and remaining is aluminium element；Beryllium element contains in beryllium alumin(i)um alloy powder
Measure as 60%, remaining is aluminium element.
Specific embodiment 3
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology that the present embodiment is provided, specific steps and specific embodiment 1
Identical, difference is：
Step 2: 700 grams of aluminium-antimony alloy powder, 25 grams of europium oxide powder and beryllium alumin(i)um alloy powder are put into the copper liquid of melting
1100 grams；The content of antimony element is 30% in aluminium-antimony alloy powder, and remaining is aluminium element；Beryllium element contains in beryllium alumin(i)um alloy powder
Measure as 65%, remaining is aluminium element.
Comparative examples
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology that the present embodiment is provided, specific steps and specific embodiment 1
Identical, difference is：
The operation of removal step two and step 3, directly carry out Step 4: step 5 and step 6 after the completion of step 1.
The monocrystalline conductive copper bar that specific embodiment 1 and 2 produces and processes is compared to the polycrystalline conductive copper that comparative examples produce
Material bar, elongation percentage can increase by 60%~70%, and resistivity can reduce by 15%~18%；The monocrystalline that specific embodiment 3 produces and processes
Conductive copper bar can increase by 70%~80% compared to the polycrystalline conduction copper material bar that comparative examples produce, elongation percentage, and resistivity can
To reduce by 18%~20%.
The preferable implementation to the present invention is illustrated above, and certainly, the present invention can also use and above-mentioned implementation
The different form of mode, the equivalent conversion that those skilled in the art are made on the premise of without prejudice to spirit of the invention
Or corresponding change, it should all belong in protection scope of the present invention.
Claims (4)
1. a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology, it is characterised in that comprise the following steps：
Melting is carried out in closing mixing melt stove Step 1: 100 parts of electrolytic copper material is launched, smelting temperature be 1100~
1200 degrees Celsius, after cathode copper melts completely, continue melting 15~20 minutes；
Step 2: put into the copper liquid of melting 0.6~0.7 part of aluminium-antimony alloy powder, 0.02~0.03 part of europium oxide powder and
1.1~1.2 parts of beryllium alumin(i)um alloy powder；The content of antimony element is 25%~35% in aluminium-antimony alloy powder, and remaining is aluminium element；Aluminizing
The content of beryllium element is 60%~65% in alloy powder, and remaining is aluminium element；
Step 3: setting ventilation import in the bottom of closing mixing melt stove, ventilation is set at the top of closing mixing melt stove
Outlet, the copper liquid for the melting for adding aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder is maintained at 1080~
1100 degrees Celsius, melting 40~50 minutes；
Step 4: lead to the mixed gas of nitrogen and carbon monoxide, nitrogen and an oxygen by ventilating import to closing mixing melt stove
It is 1/9 to change the mixed volume of carbon monoxide and nitrogen ratio in the mixed gas of carbon；Mixed gas is discharged by aeration vent again；
It is transferred to Step 5: will close and mix the molten mixture in melt stove in continuous up-casting melt stove, continuous up-casting melt
The heating-up temperature of stove is 1080~1100 degrees Celsius；Then make molten mixture enter continuous up-casting by siphonage to crystallize
In device, crystallisation by cooling is carried out by cooling water system in upward continuous casting crystallizer, the inflow temperature of cooling water system is not more than
30 degrees Celsius, the leaving water temperature of cooling water system is not more than 45 degrees Celsius；
Step 6: by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from the top of upward continuous casting crystallizer
Portion is drawn, and is pulled conductive copper bar with 100~120 millimeters per minute of speed, finally manufactured conductive copper bar is packed coiled.
A kind of 2. monocrystalline conductive copper rod up-leading continuous metal cast process production technology according to claim 1, it is characterised in that：In step
In two, 0.7 part of aluminium-antimony alloy powder, 0.025 part of europium oxide powder and beryllium alumin(i)um alloy powder 1.1 will be put into the copper liquid to melting
Part；The content of antimony element is 30% in aluminium-antimony alloy powder, and remaining is aluminium element；The content of beryllium element is in beryllium alumin(i)um alloy powder
65%, remaining is aluminium element.
A kind of 3. monocrystalline conductive copper rod up-leading continuous metal cast process production technology according to claim 1, it is characterised in that：In step
In four, the concentration of carbon monoxide in the mixed gas of detection aeration vent discharge, when one in the mixed gas of aeration vent discharge
When the volume of carbonoxide is 10%, you can stop the operation of step 4 and carry out the operation of step 5.
A kind of 4. monocrystalline conductive copper rod up-leading continuous metal cast process production technology according to claim 1, it is characterised in that：In step
In five, the depth of molten mixture is 80~100 centimetres in continuous up-casting melt stove, and the lower end of upward continuous casting crystallizer is with above drawing
Spacing between continuous casting melt furnace bottom is 20~30 centimetres.
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| CN201710641592.9A CN107354507B (en) | 2017-07-31 | 2017-07-31 | A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology |
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| CN201710641592.9A CN107354507B (en) | 2017-07-31 | 2017-07-31 | A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732648A (en) * | 2019-10-31 | 2020-01-31 | 杭州富通电线电缆有限公司 | Manufacturing process of copper rods |
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| US20150132179A1 (en) * | 2004-08-10 | 2015-05-14 | Mitsubishi Shindoh Co., Ltd. | Master alloy for casting a modified copper alloy and casting method using the same |
| CN104690381A (en) * | 2015-02-10 | 2015-06-10 | 宁波博威麦特莱科技有限公司 | Cutting wire for one-way wire traveling of low magnesia and manufacturing method thereof |
| CN105551688A (en) * | 2016-02-16 | 2016-05-04 | 中天合金技术有限公司 | Preparation method of high-accuracy anaerobic bright copper bar |
| CN105568114A (en) * | 2015-12-24 | 2016-05-11 | 芜湖恒耀汽车零部件有限公司 | Copper-aluminum alloy material used for automobile exhaust pipe and preparation method of copper-aluminum alloy material |
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2017
- 2017-07-31 CN CN201710641592.9A patent/CN107354507B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150132179A1 (en) * | 2004-08-10 | 2015-05-14 | Mitsubishi Shindoh Co., Ltd. | Master alloy for casting a modified copper alloy and casting method using the same |
| CN104690381A (en) * | 2015-02-10 | 2015-06-10 | 宁波博威麦特莱科技有限公司 | Cutting wire for one-way wire traveling of low magnesia and manufacturing method thereof |
| CN105568114A (en) * | 2015-12-24 | 2016-05-11 | 芜湖恒耀汽车零部件有限公司 | Copper-aluminum alloy material used for automobile exhaust pipe and preparation method of copper-aluminum alloy material |
| CN105551688A (en) * | 2016-02-16 | 2016-05-04 | 中天合金技术有限公司 | Preparation method of high-accuracy anaerobic bright copper bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732648A (en) * | 2019-10-31 | 2020-01-31 | 杭州富通电线电缆有限公司 | Manufacturing process of copper rods |
| CN110732648B (en) * | 2019-10-31 | 2021-05-11 | 杭州富通电线电缆有限公司 | Manufacturing process of copper rod |
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Effective date of registration: 20190626 Address after: 226100 Chengbei Industrial Park, Haian City, Nantong City, Jiangsu Province Applicant after: Jiangsu Yu Ming Copper Industry Co., Ltd. Address before: 241009 Room 402, Unit 3, 42 New Smelting Village, Liushan North Road, Jiujiang District, Wuhu City, Anhui Province Applicant before: Shang Chengrong |
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