CN106319278A - Electrolytic copper and preparation method thereof - Google Patents
Electrolytic copper and preparation method thereof Download PDFInfo
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- CN106319278A CN106319278A CN201510347428.8A CN201510347428A CN106319278A CN 106319278 A CN106319278 A CN 106319278A CN 201510347428 A CN201510347428 A CN 201510347428A CN 106319278 A CN106319278 A CN 106319278A
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Abstract
The invention discloses electrode copper. The electrode copper is chromium bronze and is prepared from, by weight percent, 0.6%-0.9% of chromium, 0.2%-0.3% of zirconium, 0.02%-0.1% of silicon, 0.02%-0.1% of magnesium and the balance of electrolytic copper. A preparation method of the electrode copper comprises the steps that foundry returns of the electrode copper, the electrolytic copper and silicon granules are added into a smelting furnace together, and rice bran is laid; after an alloy is basically molten down, slagging-off is carried out, a graphite immersion bell is used for stirring, a part of slag is raked out, then the mixed chromium and zirconium are put into melting liquid, and rice bran is laid; and after the measured temperature of the smelting furnace is 1,300 DEG C, the melting liquid is poured into a casting ladle, an Mg block is pressed into the melting liquid and stirred, rice bran is laid, and the melting liquid is poured into an ingot mould for casting after standing. The electrode copper has the beneficial effects that the preparation process is simple, reliability is high, and the yield of the chromium and the zirconium is remarkably increased.
Description
Technical field
This invention relates to a kind of cathode copper, particularly to a kind of chromium-bronze；The invention still further relates to preparation method and the purposes of this cathode copper.
Background technology
Copper is to apply one of metal earlier in human history, is also current most widely used metal material.Fine copper have good electric conductivity, heat conductivity and corrosion resistance, nonmagnetic, the microorganism in water and algae are had a series of excellent properties such as soil resistance, attractive in appearance and good processability, be therefore widely used in fields such as electric power, building decoration, chemical machineries.But, owing to intensity and the hardness of fine copper are inadequate, particularly high temperature strength is the highest, and therefore, fine copper is seldom used as structural material.The copper alloy meeting above-mentioned requirements should have high intensity and good plasticity, has conduction, heat conductivility that red copper is excellent again, is therefore called electrode copper.It is generally acknowledged that electrode copper tensile strength should be greater than 600Mpa, conductivity is at more than 80%IACS, and there is paradox between the intensity of copper alloy and conductivity, shifting, loses its conductivity improving while copper alloy intensity meeting more or less.How on the premise of keeping high conductivity, putting forward heavy alloyed intensity as best one can, this problem always is and is devoted to both at home and abroad to develop high property copper alloy expert, the study hotspot of scholar.Alloying is the conventional method of metal strengthening, but the trace alloying element added in electrode copper mostly is oxidizable element, and composition and the smelting technology of alloying element are not easily controlled, so being badly in need of a kind of composition of exploitation and the most manageable electrode copper of preparation technology.
Summary of the invention
Goal of the invention: the shortcoming that the present invention exists to overcome above-mentioned prior art proposes, and it aims to provide a kind of high performance electrode copper, and the preparation method of this electrode copper.
Technical scheme: the invention provides a kind of electrode copper, described electrode copper is chromium-bronze, and the percentage by weight of each composition is: chromium content is 0.6% ~ 0.9%, zirconium content is 0.2% ~ 0.3%, silicone content is 0.02% ~ 0.1%, and content of magnesium is 0.02% ~ 0.1%, and surplus is cathode copper.
Preference, in order to improve the sexual valence when combination property of electrode copper further, the percentage by weight of each composition of described electrode copper is: chromium content is 0.8%, and zirconium content is 0.26%, and silicone content is 0.06%, and content of magnesium is 0.06%, and surplus is cathode copper.
Present invention also offers a kind of method preparing electrode copper, comprise the following steps:
After smelting furnace is cleaned out, the foundry returns of above-mentioned electrode copper, cathode copper are added in smelting furnace together with silicon grain, spread 150 DEG C of baked Testa oryzaes；After alloy is the most melting down, skim, stir with graphite bell jar, after 15 minutes, claw a part of slag, then by preparing the chromium of material, zirconium is put in liquation, spreads Testa oryzae；Watering and wrap in after swabbing, baking, liquation is poured into after smelting furnace thermometric is 1300 DEG C casting ladle, then is pressed in liquation by Mg block and stirs, spread Testa oryzae, pour liquation into ingot mould and cast after standing, wherein ingot mould needs to preheat at 250 ~ 300 DEG C.
Preference, in order to improve recovery rate and the production efficiency of alloying element further, it is that the chromium zirconium core-spun yarn preparing material is fed in liquation by wire feeder that described chromium, zirconium put into the mode in liquation；The material of described cored core skin is electrode copper；The thickness of described cored core skin is 2mm.
Beneficial effect: compared with prior art, preparation technology is simple for the present invention, and reliability is high, and chromium, the recovery rate of zr element significantly improve, and are averagely respectively increased 4.02% and 17.7%；Production efficiency is high, and every stove just can save 96.64 yuan.
Detailed description of the invention
Below in conjunction with instantiation, the invention will be further described, but the present invention is not limited in following instance.
A kind of electrode copper, described electrode copper is chromium-bronze, and the percentage by weight of each composition is: chromium content is 0.6% ~ 0.9%, and zirconium content is 0.2% ~ 0.3%, and silicone content is 0.02% ~ 0.1%, and content of magnesium is 0.02% ~ 0.1%, and surplus is cathode copper.By orthogonal test, when chromium content is 0.8%, and zirconium content is 0.26%, and silicone content is 0.06%, and content of magnesium is 0.06%, and when surplus is cathode copper, the tensile strength of this electrode copper reaches 650Mpa, and conductivity reaches 81%IACS.
When preparing this kind of electrode copper, after needing first to be cleaned out by smelting furnace, then the foundry returns of above-mentioned electrode copper, cathode copper are added in smelting furnace together with silicon grain, spread 150 DEG C of baked Testa oryzaes；After alloy is the most melting down, skim, stir with graphite bell jar, after 15 minutes, claw a part of slag, then by preparing the chromium of material, zirconium is put in liquation, spreads Testa oryzae；Watering and wrap in after swabbing, baking, liquation is poured into after smelting furnace thermometric is 1300 DEG C casting ladle, then is pressed in liquation by Mg block and stirs, spread Testa oryzae, pour liquation into ingot mould and cast after standing, wherein ingot mould needs to preheat at 250 ~ 300 DEG C.
During cast metal, the scaling loss of element is difficult to avoid that, the degree of its scaling loss is different the most in varied situations.Use and feed silk technology addition element; protective effect and effective control of feeding wire speed due to cored core skin; recovery rate and the production efficiency of alloying element are further enhanced; when the material of cored core skin is electrode copper; when the thickness of core skin is 2mm; chromium, the recovery rate of zr element are averagely respectively increased 4.02% and 17.7%, and every stove can save 96.64 yuan.
Above embodiments of the present invention are explained in detail; but the present invention is not limited to above-mentioned embodiment; in the ken that one skilled in the relevant art is possessed, the various changes made without departing from present inventive concept, still fall in protection scope of the present invention.
Claims (4)
1. an electrode copper, described electrode copper is chromium-bronze, it is characterised in that the percentage by weight of each composition is: chromium content is 0.6% ~ 0.9%, and zirconium content is 0.2% ~ 0.3%, and silicone content is 0.02% ~ 0.1%, and content of magnesium is 0.02% ~ 0.1%, and surplus is cathode copper.
Electrode copper the most according to claim 1, it is characterised in that: chromium content is 0.8%, and zirconium content is 0.26%, and silicone content is 0.06%, and content of magnesium is 0.06%, and surplus is cathode copper.
3. a preparation method for electrode copper described in claim 1, comprises the following steps:
After smelting furnace is cleaned out, the foundry returns of above-mentioned electrode copper, cathode copper are added in smelting furnace together with silicon grain, spread 150 DEG C of baked Testa oryzaes；After alloy is the most melting down, skim, stir with graphite bell jar, after 15 minutes, claw a part of slag, then by preparing the chromium of material, zirconium is put in liquation, spreads Testa oryzae；Watering and wrap in after swabbing, baking, liquation is poured into after smelting furnace thermometric is 1300 DEG C casting ladle, then is pressed in liquation by Mg block and stirs, spread Testa oryzae, pour liquation into ingot mould and cast after standing, wherein ingot mould needs to preheat at 250 ~ 300 DEG C.
The preparation method of electrode copper the most according to claim 3, it is characterised in that: it is that the chromium zirconium core-spun yarn preparing material is fed in liquation by wire feeder that described chromium, zirconium put into the mode in liquation；The material of described cored core skin is electrode copper；The thickness of described cored core skin is 2mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510347428.8A CN106319278A (en) | 2015-06-23 | 2015-06-23 | Electrolytic copper and preparation method thereof |
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| CN201510347428.8A CN106319278A (en) | 2015-06-23 | 2015-06-23 | Electrolytic copper and preparation method thereof |
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| CN106319278A true CN106319278A (en) | 2017-01-11 |
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| CN201510347428.8A Pending CN106319278A (en) | 2015-06-23 | 2015-06-23 | Electrolytic copper and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01188642A (en) * | 1988-01-22 | 1989-07-27 | Kobe Steel Ltd | Mold material for continuous casting with built-in electro-magnetic mixer |
| CN1360072A (en) * | 2000-08-17 | 2002-07-24 | 日矿金属株式会社 | Copper aloy foil for laminated board |
| JP2012102398A (en) * | 2010-10-15 | 2012-05-31 | Dowa Metaltech Kk | Copper alloy sheet material and method of manufacturing the same |
| CN102534291A (en) * | 2010-12-09 | 2012-07-04 | 北京有色金属研究总院 | CuCrZr alloy with high strength and high conductivity, and preparation and processing method thereof |
| CN102560182A (en) * | 2011-12-28 | 2012-07-11 | 浦瑞霆 | Method and device for smelting CuCrZr alloy in atmosphere |
-
2015
- 2015-06-23 CN CN201510347428.8A patent/CN106319278A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01188642A (en) * | 1988-01-22 | 1989-07-27 | Kobe Steel Ltd | Mold material for continuous casting with built-in electro-magnetic mixer |
| CN1360072A (en) * | 2000-08-17 | 2002-07-24 | 日矿金属株式会社 | Copper aloy foil for laminated board |
| JP2012102398A (en) * | 2010-10-15 | 2012-05-31 | Dowa Metaltech Kk | Copper alloy sheet material and method of manufacturing the same |
| CN102534291A (en) * | 2010-12-09 | 2012-07-04 | 北京有色金属研究总院 | CuCrZr alloy with high strength and high conductivity, and preparation and processing method thereof |
| CN102560182A (en) * | 2011-12-28 | 2012-07-11 | 浦瑞霆 | Method and device for smelting CuCrZr alloy in atmosphere |
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Application publication date: 20170111 |