CN103084555A - Processing method for high purity oxygen-free copper rod of intelligent high voltage switch cabinet - Google Patents
Processing method for high purity oxygen-free copper rod of intelligent high voltage switch cabinet Download PDFInfo
- Publication number
- CN103084555A CN103084555A CN2012105602766A CN201210560276A CN103084555A CN 103084555 A CN103084555 A CN 103084555A CN 2012105602766 A CN2012105602766 A CN 2012105602766A CN 201210560276 A CN201210560276 A CN 201210560276A CN 103084555 A CN103084555 A CN 103084555A
- Authority
- CN
- China
- Prior art keywords
- weight
- copper bar
- oxygen
- processing method
- parts
- 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
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a processing method for a high purity oxygen-free copper rod of an intelligent high voltage switch cabinet. The processing method comprises four steps of preprocessing of raw materials, electrolysis of raw copper, leading into a heat preservation cabinet and crystallization, and leading upward copper rod and winding and coiling. New deoxidant and oxygen partition layer are added when the raw copper is electrolyzed. the processing method for the high purity oxygen-free copper rod of the intelligent high voltage switch cabinet has the advantages that oxygen and impurities in the copper fluid can be effectively eliminated, oxygen content and content of impurities of sulphur, phosphorus and the like in the copper rod are reduced, quality of copper rod can achieve international advanced level.
Description
Technical field
The present invention relates to the metal manufacture field, relate in particular to a kind of processing method of the high purity oxygen free copper bar that is used for Intelligent high voltage switch cabinet for Intelligent high voltage switch cabinet.
Background technology
Along with the fast development of China's economy, society is also increasing to the demand of oxygen-free copper with high conduction performance.Intelligent high voltage switch cabinet, busbar, generating set coil and other conductor wires all need a large amount of oxygen-free copper bars as making material.Therefore, the market of oxygen-free copper bar will be very wide, have huge market potential.At present, the oxygen-free copper bar production technology of the U.S., Japan and the state such as Australian is comparatively advanced, but the market price is very expensive.And the oxygen-free copper production technology level of China and above-mentioned country also have gap, can not satisfy the needs of social development.Therefore, research and develop a kind of processing method of the high purity oxygen free copper bar that is used for Intelligent high voltage switch cabinet newly.
Current techniques personnel are more to the process study of oxygen-free copper bar, but also there is no substantial progress.
Summary of the invention
The technical problem to be solved in the present invention is the defects for prior art, is provided for the processing method of the high purity oxygen free copper bar that is used for Intelligent high voltage switch cabinet of Intelligent high voltage switch cabinet.
For addressing the above problem, the present invention solves the adoptable technical scheme of its technical problem and is:
Be used for the processing method of the high purity oxygen free copper bar that is used for Intelligent high voltage switch cabinet of Intelligent high voltage switch cabinet, it comprises the following steps:
Step 1, remove copper beans and the verdigris on tough cathode surface, and with the described tough cathode section of being divided into, the weight of every section tough cathode is 30 ~ 40 kilograms, and with described tough cathode oven dry;
step 2, add in batches fusing to melt in the storehouse tough cathode and the oxygen scavenger of oven dry, fusion temperature is 1150 ~ 1160 ℃, the weight ratio of described tough cathode and oxygen scavenger is 100:0.01 ~ 0.004, described oxygen scavenger is by the lanthanum of 40-55 parts by weight, the cerium of 20 ~ 25 parts by weight, six calcium borides of 15 ~ 30 parts by weight and the praseodymium of 5 ~ 10 parts by weight form, oxygen barrier layer 5 to 10 centimetres of copper liquid surface coverage one decks that melts, described oxygen barrier layer is by the charcoal of oven dry, salt and aphanitic graphite form, the particle diameter of wherein said charcoal is 10-20mm, described charcoal, the weight ratio of salt and aphanitic graphite is 6:2:2, described fusing is provided with electromagnetic vibrator in the storehouse, so that described oxygen scavenger is dispersed in copper liquid,
Step 3, the copper liquid after dissolving are introduced thermal insulation barn, the temperature of described thermal insulation barn is 1150 ℃, connectivity part in described fusing storehouse and thermal insulation barn is provided with filter, with with oxygen scavenger and oxidized after the oxygen scavenger oxide remove, copper liquid surface coverage one deck oxygen barrier layer of described thermal insulation barn, described oxygen barrier layer is comprised of crystalline flake graphite and football alkene, and the weight ratio of described crystalline flake graphite and football alkene is 100:5, and the thickness of described oxygen barrier layer is 5-10 centimetre;
Step 4, with drawing the copper bar on the hauling machine combined type, the copper bar of drawing has double end to be wound into dish around the bar machine.
Preferably, in the processing method of described high purity oxygen free copper bar for Intelligent high voltage switch cabinet, described oxygen scavenger also comprises the calcirm-fluoride of 3-5 parts by weight.
Preferably, in the processing method of described high purity oxygen free copper bar for Intelligent high voltage switch cabinet, described oxygen scavenger is comprised of the lanthanum of 40 parts by weight, the cerium of 20 parts by weight, six calcium borides of 30 parts by weight and the praseodymium of 5 parts by weight.
Preferably, processing method at described high purity oxygen free copper bar for Intelligent high voltage switch cabinet, described hauling machine has the different gear of a plurality of hauling speeds, can be according to the different hauling speed of different set of copper bar size, when the diameter of copper bar was the 8-10 millimeter, traction power was 90-120V, when the diameter of copper bar is the 16-20 millimeter, traction power is 50-60V, and when the diameter of copper bar was the 20-25 millimeter, traction power was 40-50V.
Preferably, in the processing method of described high purity oxygen free copper bar for Intelligent high voltage switch cabinet, to the copper liquid top nitrogen injection of described fusing storehouse and thermal insulation barn.
Preferably, in the processing method of described high purity oxygen free copper bar for Intelligent high voltage switch cabinet, when drawing the copper bar, at the crystallizer front end, filter is installed, to remove the residue in copper liquid upper.
It is good that the processing method of described high purity oxygen free copper bar for Intelligent high voltage switch cabinet of the present invention has a deaerating effect, and the oxygen content of finished product copper bar is lower than 5ppm; Dust removal rate is high, and the content of p and s is all lower than 3ppm.Other beneficial effects will partly be described in detail in the specific embodiment.
Will be appreciated that, the feature in the above each side of the present invention is independent assortment within the scope of the invention, and is not subjected to the restriction of its order---as long as the technical scheme after combination drops in connotation of the present invention.
Description of drawings
Below in conjunction with drawings and Examples, the processing method that the present invention is used for the high purity oxygen free copper bar of Intelligent high voltage switch cabinet is described further, in accompanying drawing:
Fig. 1 is the flow process chart of the processing method of the present invention's high purity oxygen free copper bar of being used for Intelligent high voltage switch cabinet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiments only is used for explanation the present invention and is not used in and limits the scope of the invention, after reading the present invention, those skilled in the art all falls within the application's claim limited range to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1, the invention discloses processing method for the high purity oxygen free copper bar that is used for Intelligent high voltage switch cabinet of Intelligent high voltage switch cabinet.
In embodiment one, the method comprises the steps:
Step 1, remove copper beans and the verdigris on tough cathode surface, and with the tough cathode section of being divided into, the weight of every section tough cathode is 30 ~ 40 kilograms, and tough cathode is dried; The copper content of tough cathode generally should remain on more than 99.98%, to guarantee the quality of raw material.In addition, if raw material is deposited the long period, its surface may generate verdigris or copper beans, can at first adopt mechanical means to remove, use subsequently pickling, rinse with clear water at last, raw material after flushing should be dried at low temperatures, and removing moisture, and raw material can be not oxidized.
step 2, add in batches fusing to melt in the storehouse tough cathode and the oxygen scavenger of oven dry, fusion temperature is 1155 ℃, the weight ratio of tough cathode and oxygen scavenger is that the 100:0.01 oxygen scavenger is by the lanthanum of 40 parts by weight, the cerium of 20 parts by weight: six calcium borides of 20 parts by weight: the praseodymium of 5 parts by weight forms, oxygen barrier layer 5 to 10 centimetres of copper liquid surface coverage one decks that melts, oxygen barrier layer is comprised of charcoal and the aphanitic graphite of oven dry, wherein the particle diameter of charcoal is 10-20mm, charcoal, the weight ratio of salt and aphanitic graphite is 6:2:2, fusing is provided with electromagnetic vibrator in the storehouse, so that oxygen scavenger is dispersed in copper liquid.To the fusing storehouse copper liquid in nitrogen injection.In this step, the technical staff conducts in-depth research oxygen scavenger and oxygen barrier layer, has proposed a kind of new oxygen scavenger.The present invention adopts the composition of lanthanum, cerium, praseodymium and six calcium borides as oxygen scavenger.Wherein lanthanum, cerium and praseodymium not only can be removed rapidly the oxygen and carbon dioxide in copper liquid, the oxidation reaction of all right catalyzed carbon.The density of lanthana, is convenient to remove so can float on copper liquid much smaller than the density of copper liquid.Six calcium borides not only have very strong deoxidizing capacity, also can very effectively remove the impurity such as phosphorus in copper melts, sulphur.This oxygen scavenger integral body has fabulous deoxygenation and removal of impurities performance, and concrete data list hereinafter illustrate.In addition, the technical staff designs oxygen barrier layer equally, has proposed a kind of new oxygen barrier layer, and this oxygen barrier layer is comprised of charcoal, salt and aphanitic graphite, and integral thickness is 5-10 centimetre.Filled by aphanitic graphite, salt between the particle of charcoal, more be conducive to separate oxygen and steam.With only comparing as oxygen barrier layer with cigarette ash with charcoal or charcoal of prior art, can reduce the thickness (oxygen barrier layer of prior art is generally 15 centimetres to 20 centimetres at least more than 10) of oxygen barrier layer, increase the volume of melting furnace, enhance productivity.In addition, due to the raising of deoxygenation dust removal rate, the amount ratio prior art of oxygen scavenger also significantly reduces.
Step 3, the copper liquid after dissolving are introduced thermal insulation barn, the temperature of described thermal insulation barn is 1150 ℃, connectivity part in fusing storehouse and thermal insulation barn is provided with filter, with with oxygen scavenger and oxidized after the oxygen scavenger oxide remove, copper liquid surface coverage one deck oxygen barrier layer of described thermal insulation barn, described oxygen barrier layer is comprised of crystalline flake graphite and football alkene, and the weight ratio of described crystalline flake graphite and football alkene is 100:5, and the thickness of described oxygen barrier layer is 5-10 centimetre.The inventor has improved the oxygen barrier ability of oxygen barrier layer by add football alkene in graphite, has strengthened the oxygen barrier performance, can reduce the thickness of oxygen barrier layer, saves production cost.In a further embodiment, keep the equalized temperature of copper liquid by this transitional storehouse, improve the quality of crystallization.
Step 4, with drawing the copper bar on the hauling machine combined type, the copper bar of drawing has double end to be wound into dish around the bar machine.
In this embodiment and other embodiment, hauling machine has the different gear of a plurality of hauling speeds, can be according to the different hauling speed of different set of copper bar size, when the diameter of copper bar is the 8-10 millimeter, traction power is 90-120V, and when the diameter of copper bar was the 16-20 millimeter, traction power was 50-60V, when the diameter of copper bar was the 20-25 millimeter, traction power was 40-50V.
Copper bar to finished product carries out quality testing, and wherein the content of oxygen is for being about 4.5ppm, and the content of p and s is 1.8ppm.
In embodiments of the invention two, oxygen scavenger also comprises the calcirm-fluoride of 3 parts by weight, and all the other steps are identical with embodiment one.
In embodiments of the invention three, oxygen scavenger is comprised of the lanthanum of 40 parts by weight, the cerium of 20 parts by weight, six calcium borides of 30 parts by weight and the praseodymium of 5 parts by weight, and all the other steps are identical with embodiment one.
In embodiment one and other embodiment, nitrogen injection in the copper liquid of fusing storehouse and thermal insulation barn is further to prevent entering of oxygen and steam.
In embodiment four, when drawing the copper bar, at the crystallizer front end, filter is installed upper, to remove the residue in copper liquid, all the other steps are identical with embodiment one.
In the embodiment of the present invention five, oxygen scavenger is comprised of the lanthanum of 45 parts by weight, the cerium of 25 parts by weight, six calcium borides of 30 parts by weight and the praseodymium of 10 parts by weight.
In the embodiment of the present invention six, oxygen scavenger is comprised of the lanthanum of 50 parts by weight, the cerium of 20 parts by weight, six calcium borides of 20 parts by weight, the praseodymium of 5 parts by weight and the calcirm-fluoride of 5 parts by weight.
In the embodiment of the present invention seven, oxygen scavenger is comprised of the lanthanum of 55 parts by weight, the cerium of 20 parts by weight, six calcium borides of 25 parts by weight and the praseodymium of 5 parts by weight.
In the embodiment of the present invention eight, oxygen scavenger is comprised of the lanthanum of 55 parts by weight, the cerium of 25 parts by weight, six calcium borides of 40 parts by weight and the praseodymium of 5 parts by weight.
The parameter of the finished product copper bar that embodiment one to three, five to eight produces is as follows:
| ? | Oxygen content ppm | Phosphorus content ppm | Lead content ppm | Sulfur content ppm |
| Embodiment 1 | 5.3 | 2.6 | 3.2 | 2.5 |
| Embodiment 2 | 6.2 | 3.4 | 3.6 | 2.7 |
| Embodiment 3 | 4.5 | 2.3 | 2.4 | 2.8 |
| Embodiment 5 | 5.6 | 2.5 | 2.4 | 3.2 |
| Embodiment 6 | 7.1 | 2.6 | 2.5 | 3.7 |
| Embodiment 7 | 4.7 | 3.4 | 2.6 | 3.8 |
| Embodiment 8 | 5.8 | 4.2 | 3.6 | 3.6 |
The inventor has also done other several groups of experiments:
Embodiment nine: in step 2, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment one.
Embodiment ten: in step 2, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment two.
Embodiment 11: in step 3, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment three.
Embodiment 12: in step 2, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment five.
Embodiment 13: in step 2, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment six.
Embodiment 14: in step 2, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment seven.
Embodiment 15: in step 2, the weight ratio of tough cathode and oxygen scavenger is that other conditions of 100:0.03 are identical with embodiment eight.
The parameter of the finished product copper bar that embodiment nine to 15 produces is as follows:
| ? | Oxygen content ppm | Phosphorus content ppm | Lead content ppm | Sulfur content ppm |
| Embodiment 9 | 4 | 1.8 | 2.1 | 1.8 |
| Embodiment 10 | 4 | 2.1 | 1.7 | 1.9 |
| Embodiment 11 | 1.5 | 1.3 | 1.5 | 1.5 |
| Embodiment 12 | 3.8 | 1.5 | 1.9 | 1.8 |
| Embodiment 13 | 2.6 | 1.5 | 2.0 | 1.7 |
| Embodiment 14 | 4.7 | 1.9 | 2.0 | 1.6 |
| Embodiment 15 | 5.1 | 1.8 | 2.1 | 1.9 |
Claims (7)
1. a processing method that is used for the high purity oxygen free copper bar of Intelligent high voltage switch cabinet, is characterized in that, it comprises the following steps:
Step 1, remove copper beans and the verdigris on tough cathode surface, and with the described tough cathode section of being divided into, the weight of every section tough cathode is 30 ~ 40 kilograms, and with described tough cathode oven dry;
step 2, add in batches fusing to melt in the storehouse tough cathode and the oxygen scavenger of oven dry, fusion temperature is 1150 ~ 1160 ℃, the weight ratio of described tough cathode and oxygen scavenger is 100:0.01 ~ 0.004, described oxygen scavenger is by the lanthanum of 40-55 parts by weight, the cerium of 20 ~ 25 parts by weight, six calcium borides of 15 ~ 30 parts by weight and the praseodymium of 5 ~ 10 parts by weight form, oxygen barrier layer 5 to 10 centimetres of copper liquid surface coverage one decks that melts, described oxygen barrier layer is by the charcoal of oven dry, salt and aphanitic graphite form, the particle diameter of wherein said charcoal is 10-20mm, described charcoal, the weight ratio of salt and aphanitic graphite is 6:2:2, described fusing is provided with electromagnetic vibrator in the storehouse, so that described oxygen scavenger is dispersed in copper liquid,
Step 3, the copper liquid after dissolving are introduced thermal insulation barn, the temperature of described thermal insulation barn is 1150 ℃, connectivity part in described fusing storehouse and thermal insulation barn is provided with filter, with with oxygen scavenger and oxidized after the oxygen scavenger oxide remove, copper liquid surface coverage one deck oxygen barrier layer of described thermal insulation barn, described oxygen barrier layer is comprised of crystalline flake graphite and football alkene, and the weight ratio of described crystalline flake graphite and football alkene is 100:5, and the thickness of described oxygen barrier layer is 5-10 centimetre;
Step 4, with drawing the copper bar on the hauling machine combined type, the copper bar of drawing has double end to be wound into dish around the bar machine.
2. the processing method of the high purity oxygen free copper bar for Intelligent high voltage switch cabinet according to claim 1, it is characterized in that: described oxygen scavenger also comprises the calcirm-fluoride of 3-5 parts by weight.
3. the processing method of the high purity oxygen free copper bar for Intelligent high voltage switch cabinet according to claim 1, it is characterized in that: described oxygen scavenger is comprised of the lanthanum of 40 parts by weight, the cerium of 20 parts by weight, six calcium borides of 30 parts by weight and the praseodymium of 5 parts by weight.
4. the processing method of the high purity oxygen free copper bar for Intelligent high voltage switch cabinet according to claim 1 and 2, it is characterized in that: described hauling machine has the different gear of a plurality of hauling speeds, can be according to the different hauling speed of different set of copper bar size, when the diameter of copper bar is the 8-10 millimeter, traction power is 90-120V, and when the diameter of copper bar was the 16-20 millimeter, traction power was 50-60V, when the diameter of copper bar was the 20-25 millimeter, traction power was 40-50V.
5. the processing method of the high purity oxygen free copper bar for Intelligent high voltage switch cabinet according to claim 4 is characterized in that: to the copper liquid top nitrogen injection of described fusing storehouse and thermal insulation barn.
6. the processing method of the high purity oxygen free copper bar for Intelligent high voltage switch cabinet according to claim 4 is characterized in that: when drawing the copper bar, at the crystallizer front end, filter is installed, to remove the residue in copper liquid upper.
7. the processing method of the high purity oxygen free copper bar for Intelligent high voltage switch cabinet according to claim 1, is characterized in that: the transitional storehouse between fusing storehouse and thermal insulation barn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210560276.6A CN103084555B (en) | 2012-12-21 | 2012-12-21 | Processing method for high purity oxygen-free copper rod of intelligent high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210560276.6A CN103084555B (en) | 2012-12-21 | 2012-12-21 | Processing method for high purity oxygen-free copper rod of intelligent high voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103084555A true CN103084555A (en) | 2013-05-08 |
| CN103084555B CN103084555B (en) | 2014-08-20 |
Family
ID=48197969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210560276.6A Expired - Fee Related CN103084555B (en) | 2012-12-21 | 2012-12-21 | Processing method for high purity oxygen-free copper rod of intelligent high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103084555B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921071A (en) * | 2014-04-16 | 2014-07-16 | 黄学志 | Oxygen-free copper bar production technology |
| CN105132730A (en) * | 2015-08-28 | 2015-12-09 | 上海飞驰铜铝材有限公司 | High-density, high-conductivity and oxygen-free copper and preparation method thereof |
| CN106086444A (en) * | 2016-08-10 | 2016-11-09 | 安徽晋源铜业有限公司 | A kind of up-drawing method prepares the method for high-purity oxygen-free copper bar |
| CN106180616A (en) * | 2016-08-10 | 2016-12-07 | 安徽晋源铜业有限公司 | A kind of high-purity oxygen-free high conductivity type copper bar and processing method thereof |
| CN106493327A (en) * | 2016-11-25 | 2017-03-15 | 安徽天大铜业有限公司 | A kind of preparation method of oxygen-free copper bar |
| CN107377913A (en) * | 2017-06-09 | 2017-11-24 | 芜湖云邦铜业有限公司 | A kind of quick deoxidization technique of molten copper protected using nitrogen |
| CN108085510A (en) * | 2017-12-25 | 2018-05-29 | 安徽晋源铜业有限公司 | A kind of automation copper bar hypoxemia removal of impurities control method |
| CN108165762A (en) * | 2017-12-25 | 2018-06-15 | 安徽晋源铜业有限公司 | A kind of production control method for improving copper bar purity |
| CN108179281A (en) * | 2017-12-25 | 2018-06-19 | 安徽晋源铜业有限公司 | A kind of automation copper bar purity improves control system |
| CN109465414A (en) * | 2018-12-28 | 2019-03-15 | 江阴华瑞电工科技股份有限公司 | A method of preparing oxygen-free copper bar |
| CN110629038A (en) * | 2019-10-28 | 2019-12-31 | 河南科技大学 | Deoxidation and desulfurization method for copper or copper alloy, high-purity copper or copper alloy and preparation method thereof |
| CN111842820A (en) * | 2020-07-25 | 2020-10-30 | 恒吉集团实业有限公司 | Copper rod smelting anti-oxidation process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4940224A (en) * | 1972-08-24 | 1974-04-15 | ||
| DE2620831A1 (en) * | 1976-05-11 | 1977-11-24 | Kempten Elektroschmelz Gmbh | PROCESS FOR THE PRODUCTION OF OXYGEN-FREE CASTED COPPER PARTS AND SHAPED COPPER PARTS |
| CN1912155A (en) * | 2006-09-01 | 2007-02-14 | 上海大学 | Method of titanium or titanium alloy melting liquid deoxidizing purification |
| CN101082083A (en) * | 2007-06-01 | 2007-12-05 | 太原钢铁(集团)有限公司 | Fine copper smelting and deoxidizing method |
| CN101491825A (en) * | 2009-03-06 | 2009-07-29 | 江苏大学 | High-purify upper oxygen-free copper rod production method |
| CN101708510A (en) * | 2009-12-03 | 2010-05-19 | 绍兴市力博电气有限公司 | Processing technology for processing high-purity high-conductivity oxygen-free copper bar |
| CN102168180A (en) * | 2011-04-11 | 2011-08-31 | 中天合金技术有限公司 | Upcast method for producing high-purity bright copper rod |
| CN102605192A (en) * | 2012-03-12 | 2012-07-25 | 江阴新华宏铜业有限公司 | Preparation method for oxygen-free copper tube for magnetron |
-
2012
- 2012-12-21 CN CN201210560276.6A patent/CN103084555B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4940224A (en) * | 1972-08-24 | 1974-04-15 | ||
| DE2620831A1 (en) * | 1976-05-11 | 1977-11-24 | Kempten Elektroschmelz Gmbh | PROCESS FOR THE PRODUCTION OF OXYGEN-FREE CASTED COPPER PARTS AND SHAPED COPPER PARTS |
| CN1912155A (en) * | 2006-09-01 | 2007-02-14 | 上海大学 | Method of titanium or titanium alloy melting liquid deoxidizing purification |
| CN101082083A (en) * | 2007-06-01 | 2007-12-05 | 太原钢铁(集团)有限公司 | Fine copper smelting and deoxidizing method |
| CN101491825A (en) * | 2009-03-06 | 2009-07-29 | 江苏大学 | High-purify upper oxygen-free copper rod production method |
| CN101708510A (en) * | 2009-12-03 | 2010-05-19 | 绍兴市力博电气有限公司 | Processing technology for processing high-purity high-conductivity oxygen-free copper bar |
| CN102168180A (en) * | 2011-04-11 | 2011-08-31 | 中天合金技术有限公司 | Upcast method for producing high-purity bright copper rod |
| CN102605192A (en) * | 2012-03-12 | 2012-07-25 | 江阴新华宏铜业有限公司 | Preparation method for oxygen-free copper tube for magnetron |
Non-Patent Citations (3)
| Title |
|---|
| 刘强等: "稀土对无氧铜杆生产工艺及产品性能的影响", 《有色金属再生与利用》 * |
| 卓震宇等: "稀土与硼对铜净化效果的比较", 《铸造》 * |
| 徐勇: "无氧铜生产工艺和质量控制", 《上海有色金属》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921071B (en) * | 2014-04-16 | 2016-04-20 | 黄学志 | Anaerobic copper bar production technology |
| CN103921071A (en) * | 2014-04-16 | 2014-07-16 | 黄学志 | Oxygen-free copper bar production technology |
| CN105132730A (en) * | 2015-08-28 | 2015-12-09 | 上海飞驰铜铝材有限公司 | High-density, high-conductivity and oxygen-free copper and preparation method thereof |
| CN106086444B (en) * | 2016-08-10 | 2018-09-14 | 安徽晋源铜业有限公司 | A kind of method that up-drawing method prepares high-purity oxygen-free copper bar |
| CN106086444A (en) * | 2016-08-10 | 2016-11-09 | 安徽晋源铜业有限公司 | A kind of up-drawing method prepares the method for high-purity oxygen-free copper bar |
| CN106180616A (en) * | 2016-08-10 | 2016-12-07 | 安徽晋源铜业有限公司 | A kind of high-purity oxygen-free high conductivity type copper bar and processing method thereof |
| CN106493327A (en) * | 2016-11-25 | 2017-03-15 | 安徽天大铜业有限公司 | A kind of preparation method of oxygen-free copper bar |
| CN107377913A (en) * | 2017-06-09 | 2017-11-24 | 芜湖云邦铜业有限公司 | A kind of quick deoxidization technique of molten copper protected using nitrogen |
| CN108165762A (en) * | 2017-12-25 | 2018-06-15 | 安徽晋源铜业有限公司 | A kind of production control method for improving copper bar purity |
| CN108179281A (en) * | 2017-12-25 | 2018-06-19 | 安徽晋源铜业有限公司 | A kind of automation copper bar purity improves control system |
| CN108085510A (en) * | 2017-12-25 | 2018-05-29 | 安徽晋源铜业有限公司 | A kind of automation copper bar hypoxemia removal of impurities control method |
| CN109465414A (en) * | 2018-12-28 | 2019-03-15 | 江阴华瑞电工科技股份有限公司 | A method of preparing oxygen-free copper bar |
| CN110629038A (en) * | 2019-10-28 | 2019-12-31 | 河南科技大学 | Deoxidation and desulfurization method for copper or copper alloy, high-purity copper or copper alloy and preparation method thereof |
| CN110629038B (en) * | 2019-10-28 | 2021-11-19 | 河南科技大学 | Deoxidation and desulfurization method for copper or copper alloy, high-purity copper or copper alloy and preparation method thereof |
| CN111842820A (en) * | 2020-07-25 | 2020-10-30 | 恒吉集团实业有限公司 | Copper rod smelting anti-oxidation process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103084555B (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103084555B (en) | Processing method for high purity oxygen-free copper rod of intelligent high voltage switch cabinet | |
| CN102168180B (en) | Upcast method for producing high-purity bright copper rod | |
| WO2017140099A1 (en) | Preparation method for bright high-accuracy oxygen-free copper bar | |
| CN101707084B (en) | Manufacturing method for copper-magnesium alloy stranded wire | |
| CN101834012B (en) | High-conductivity hard aluminum wire and manufacture method thereof | |
| CN106636695A (en) | Preparation method of heat-resistant aluminum alloy wire | |
| CN102990029A (en) | Process for producing anaerobic copper billets in upward continuous casting method | |
| CN103305747B (en) | A kind of rod iron for electric conduction of electrolytic aluminum, steel claw type material and manufacture method thereof | |
| CN104928506A (en) | Degassing and deslagging compound purification process for molten aluminum smelting | |
| CN102585779A (en) | Preparation method of high-purity heat-conduction energy storage molten salt | |
| CN102758216B (en) | Method for homogenizing current distribution in aluminum liquid in aluminum electrolytic cell | |
| CN101775621B (en) | Cathode structure of aluminium cell | |
| CN107346683A (en) | A kind of high critical current densities Nb3The preparation method of Sn superconducting wires CuNb compound bars | |
| CN201442974U (en) | Electroslag furnace crystallizer used for smelting rollers | |
| CN105463221A (en) | Technical method for improving performance of round aluminum rod by adding B and RE elements | |
| CN101775622B (en) | Cathode structure of energy-saving aluminium cell | |
| CN108823428A (en) | A kind of preparation method of oxygen-free copper bar | |
| CN202517020U (en) | Novel upward continuous casting furnace | |
| CN109457129A (en) | A kind of mine cable high strength oxygen-free copper bar | |
| CN107737895A (en) | A kind of oxygen-free copper bar preparation method | |
| CN113421690A (en) | Copper-tin alloy contact wire and preparation method thereof | |
| CN204455308U (en) | A kind of aluminium cell anode | |
| CN201354387Y (en) | Aluminum electrolysis bath novel inclined groove type cathode block structure | |
| CN202517019U (en) | Crystallizer for up casting | |
| CN102284545B (en) | Method for realizing quality grading control of oxygen-free copper rods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20191221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |