CN101376166A - Technique for preparing chromium zirconium copper alloy wire pole - Google Patents
Technique for preparing chromium zirconium copper alloy wire pole Download PDFInfo
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- CN101376166A CN101376166A CNA2008101562316A CN200810156231A CN101376166A CN 101376166 A CN101376166 A CN 101376166A CN A2008101562316 A CNA2008101562316 A CN A2008101562316A CN 200810156231 A CN200810156231 A CN 200810156231A CN 101376166 A CN101376166 A CN 101376166A
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Abstract
The invention relates to a preparation technology for an alloy mast, wherein the alloy is made from chromium, zirconium and copper. The technology comprises the following steps: adding industrial electrolytic copper into an inductive melting furnace for heating and melting, and covering the surface with graphite powder and charcoal at the same time; starting an electromagnetic stirrer for electromagnetic stirring and aided deoxidation treatment; adding a copper-chromium master alloy and zirconium wires for heating and melting after the industrial electrolytic copper is completely melted, and enabling the melt composition to be uniform by utilizing the electromagnetic stirring; then moving up the baffle between the inductive melting furnace and an inductive holding furnace so that the melt in the inductive melting furnace can be transferred into the inductive holding furnace under the action of the gravity, and covering the melt surface with the graphite powder and the charcoal; adjusting the melt temperature to 1200 DEG C to 1250 DEG C; and then starting an up-pulling system and continuously up-pulling CuCrZr alloy masts, and continuously adding new furnace burdens into the melting furnace during the up-pulling process. Under a non-vacuum condition, the technology can prepare the alloy (containing chromium, zirconium and copper) mast which is easily oxidized and difficult in adding element zirconium by utilizing the electromagnetic stirring function and through the tight coverage of a covering agent, and the technology is very simple.
Description
Technical field
The present invention relates to prepare the technology of chromium zirconium copper alloy wire pole, particularly a kind of technology of antivacuum short flow preparation Cr-Zr alloy line bar belongs to technical field of nonferrous metal processing.
Background technology
Chrome zirconium copper alloy is owing to have higher intensity and electric conductivity, and its excellent molded lines product is widely used in industries such as electronics, electric power, automobile, light industry, traffic, has market application foreground widely.But because Zr is easy to oxidization burning loss in atmosphere, antivacuum production chromium zirconium copper alloy wire pole is difficulty comparatively.The production method of the antivacuum preparation of alloy and weak point flow process can reach energy-conservation, lower consumption, protects the purpose of environment, has fabulous social benefit; Chromium zirconium copper alloy wire pole is produced under non-vacuum condition, has than high added value.
Domestic a lot of producers are all in the equipment of seeking antivacuum preparation chrome zirconium copper alloy and technology at present, and the more antivacuum method for preparing chrome zirconium copper alloy adopts more airtight smelting-casting equipment, is aided with inert gas again and protects preparation.There is following defective in airtight antivacuum smelting-casting equipment and technology fully: 1. reinforced difficulty, the design of sealing non-vacuum melting equipment much is to add a cover to protect on induction furnace at present, open charge door and observation window on the bell, because these windows are all smaller, therefore be unfavorable for a large amount of continuous reinforced and observations; 2. can not well realize more continuous preparation, most of non-vacuum melting chrome zirconium copper alloys can't be realized the production of serialization, cast a stove because the equipment reason normally melts a stove, and need stopping, it is reinforced to open bell; 3. do not have the melt mixing plant, can not obtain the comparatively uniform and stable alloy of composition.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, provide a kind of prepare Cr-Zr alloy line bar technology, under non-vacuum condition, realize the continuous short flow process production of chromium zirconium copper alloy wire pole.
Purpose of the present invention is achieved through the following technical solutions:
The preparation technology of chromium zirconium copper alloy wire pole, characteristics are: may further comprise the steps---
1. induction melting: industrial electrolysis copper is added the fusing that heats up in the induction melting furnace, cover graphite powder and charcoal above simultaneously, form the composite coating of charcoal and graphite powder; The magnetic stirrer that starts the induction melting furnace outside carries out electromagnetic agitation, auxiliary deoxidation treatment; Treat that industrial electrolysis copper melts the back fully and adds copper chromium intermediate alloy and zirconium silk, fusing heats up;
2. electromagnetic agitation: after adding copper chromium intermediate alloy and zirconium silk, utilize electromagnetic agitation to make bath composition even;
3. melt transfer: on move baffle plate between induction melting furnace and the induction holding furnace, induction melting furnace is communicated with induction holding furnace, melt in the induction melting furnace is transferred in the induction holding furnace in the gravity effect, and on the melt of induction holding furnace, cover graphite powder and charcoal, form the composite coating of charcoal and graphite powder;
4. adjust temperature: adjust the melt temperature to 1200 ℃ of induction holding furnace～1250 ℃;
5. draw on continuous: draw system in the startup, draw chromium zirconium copper alloy wire pole on the steady and continuous, draw in the process, constantly press alloy proportion and scaling loss amount and in induction melting furnace, throw in new furnace charge last.
Further, the preparation technology of above-mentioned chromium zirconium copper alloy wire pole, step 1. in the composite coating of formed charcoal and graphite powder, its thickness is greater than 120mm.
Further, the preparation technology of above-mentioned chromium zirconium copper alloy wire pole, step 3. in the composite coating of formed charcoal and graphite powder, its thickness is greater than 120mm.
Again further, the preparation technology of above-mentioned chromium zirconium copper alloy wire pole, step lead speed 5. is controlled at 1.2～1.8m/min.
Substantive distinguishing features and obvious improvement that technical solution of the present invention is outstanding are mainly reflected in:
The present invention prepares the technology of chromium zirconium copper alloy wire pole, carries out in antivacuum induction melting furnace, guarantees the oxidization burning loss of easy oxidation element by the tight covering of coverture, and equipment and technology are very simple.Made full use of the effect of electromagnetic agitation, after the industrial electrolysis copper fusing, made melt combine deoxidation, avoided the oxygen that raw material brings into and the easy oxidation element of adding to have an effect with the graphite charcoal of covering by electromagnetic agitation; Behind easy oxidization burning loss alloy element Zr to be added, the Cr, realize the even of bath composition by electromagnetic agitation.Open and close by smelting furnace body side surface baffle plate and to close body of heater, realize the compartmentation of smelting furnace melt and holding furnace melt, prevention composition brewing chamber's melt and on draw the part melt convection, draw crystallizer part liquid fluctuating in the minimizing.Draw in the process last, press alloy proportion and burn out rate and constantly in smelting furnace, throw in new furnace charge continuously, draw alloy wire bar fully in the realization continuously.Economic benefit and social effect highly significant are widely used in preparing the chromium zirconium copper alloy wire pole that contains easy oxidation, difficult addition element zirconium, and application prospect is very good.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the structural representation of process equipment of the present invention;
Fig. 2: process flow diagram of the present invention.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 1 | Body of |
2 | |
3 | The smelting furnace bell |
| 4 | |
5 | |
6 | |
| 7 | On |
8 | The |
9 | |
| 10 | |
11 | The |
12 | The smelting furnace inductor |
The specific embodiment
The present invention prepares process equipment that chromium zirconium copper alloy wire pole adopts as shown in Figure 1, comprise body of heater 1 and on draw system 7, be provided with at the middle part of body of heater 1 baffle plate 6 with it every being divided into smelting furnace 5 and holding furnace 10, the furnace bottom of smelting furnace 5 is higher than the furnace bottom of holding furnace 10, when fusing and composition modulation, the smelting furnace liquid level is higher than the holding furnace liquid level, and composition modulates back smelting furnace liquid and changes holding furnace over to; Dispose magnetic stirrer 2 in the outside of smelting furnace 5, be provided with smelting furnace inductor 12 in the bottom of smelting furnace 5, above smelting furnace 5, be stamped smelting furnace bell 3, smelting furnace 5 is a composition brewing chamber, add elements such as easy oxidization burning loss element Zr, Cr therein, stove outside magnetic stirrer 2 is used for stirring, and makes composition even; Be provided with holding furnace inductor 11 in the bottom of holding furnace 10, holding furnace bell 8 is stamped in the top of holding furnace 10, on draw system 7 and be installed in holding furnace 10 tops.Wherein, baffle plate 6 adopts refractory material to make, and the bottom is arc-shaped structure, has circular groove with corresponding position, baffle plate 6 bottoms on body of heater 1, and the bottom of circular groove on the body of heater 1 and baffle plate 6 matches.Baffle plate 6 can move up and down to open and close and close body of heater, the arc groove of its bottom can effectively stop smelting furnace melt and holding furnace melt convection when closed, draws crystallizer place liquid fluctuating in the minimizing, treat that the modulation of holding furnace 10 compositions finishes, and changes holding furnace 10 over to and carries out continuous up-casting.
During concrete preparation, its technology as shown in Figure 2, detailed process is:
(1) induction melting: at first by the alloying component prepared furnace charge,, in induction melting furnace 5, add industrial electrolysis copper intensification fusing, cover graphite powder and charcoal above the while, the composite coating 4 of formation charcoal and graphite powder with baffle plate 6 closures; The magnetic stirrer 2 that starts the induction melting furnace outside carries out electromagnetic agitation, auxiliary deoxidation treatment; Treat that industrial electrolysis copper melts the back fully and adds copper chromium intermediate alloy and zirconium silk, fusing heats up; Wherein, the thickness of composite coating is greater than 120mm (charcoal thickness is greater than 100mm, and graphite powder thickness is greater than 20mm), and the isolated of copper melts and oxygen guaranteed in the compound covering of charcoal and graphite powder, avoids the Zr, the Cr element oxidization burning loss that add; The effect of electromagnetic agitation is, after the copper fusing, rolling by the electromagnetic agitation melt combines to a certain degree deoxidation with charcoal; After treating that copper melts fully, improve the copper melts temperature and add Zr, Cr element, Zr, Cr element are directly added in the melt by charging (feeding) equipment.
(2) electromagnetic agitation: after adding copper chromium intermediate alloy and zirconium silk, utilize electromagnetic agitation to make bath composition even; The effect of electromagnetic agitation is, rolls by the electromagnetic agitation melt, avoids Zr to float over liquid level, makes Zr in the melt, Cr element uniformity.
(3) melt transfer: carry out after composition detection treats that composition is up to standard, on move baffle plate 6 between induction melting furnace and the induction holding furnace, induction melting furnace 5 is communicated with induction holding furnace 10, melt in the induction melting furnace is transferred in the induction holding furnace in the gravity effect, and on the melt of induction holding furnace, cover graphite powder and charcoal, form the composite coating 9 of charcoal and graphite powder, the thickness of cover layer 9 is greater than 120mm.
(4) adjust temperature: adjust the melt temperature to 1200 ℃ of induction holding furnace～1250 ℃.
(5) draw on continuously: draw system 7 in the startup, draw chromium zirconium copper alloy wire pole on the steady and continuous; Last drawing, adding new industrial electrolysis copper in induction melting furnace melts in old chromium zirconium copper melts, press virgin material proportioning and scaling loss until completely melted and replenish interpolation Zr, Cr element, after commencement of commercial operation, generally add virgin material according to proportioning and burn out rate, needn't carry out the detection of composition, circulation realizes that serialization prepares chromium zirconium copper alloy wire pole at every turn.
Embodiment 1
Get industrial electrolysis copper, copper chromium intermediate alloy, zirconium silk by table 1 respectively, preparation 2000kg furnace charge.The fusing that heats up of induction melting at first, the 2000kg that feeds intake covers graphite powder and charcoal, treats melt soon to begin electromagnetic agitation, assists deoxidation; The fusing back adds copper chromium intermediate alloy and zirconium silk intensification fusing fully.And carry out electromagnetic agitation, not only electromagnetic agitation when the industrial cathode copper of fusing is also carried out electromagnetic agitation after adding copper chromium intermediate alloy and zirconium silk, makes adding alloy melt composition even.Melt transfer treats that composition is transferred to holding furnace with melt after up to standard then, after commencement of commercial operation, generally adds virgin material according to proportioning and burn out rate, needn't carry out the detection of composition at every turn.Then adjust temperature, change over to and adjust temperature to a suitable scope behind the melt, the temperature of drawing on the chrome zirconium copper alloy is 1200 ℃～1250 ℃.Draw on carrying out continuously, on draw φ 12mm line bar, on the speed of drawing be controlled at 1.2～1.8m/min; Guarantee the process circulation, by constantly throwing in new furnace charge by alloy proportion and scaling loss amount in last drawing in the process, the present embodiment stove replenishes 2000kg at every turn, draws chromium zirconium copper alloy wire pole in the realization continuously.
Technology of the present invention is well protected the easy oxidation metal element, and the melting loss rate of each element sees Table 1 in the present embodiment.
Table 1
Get industrial electrolysis copper, copper chromium intermediate alloy, zirconium silk by table 1 respectively, preparation 3000kg furnace charge.The fusing that heats up of induction melting at first, the 3000kg that feeds intake covers graphite powder and charcoal, treats melt soon to begin electromagnetic agitation, assists deoxidation; The fusing back adds copper chromium intermediate alloy and zirconium silk intensification fusing fully.And carry out electromagnetic agitation, not only electromagnetic agitation when the industrial cathode copper of fusing is also carried out electromagnetic agitation after adding copper chromium intermediate alloy and zirconium silk, makes adding alloy melt composition even.Melt transfer treats that composition is transferred to holding furnace with melt after up to standard then, after commencement of commercial operation, generally adds virgin material according to proportioning and burn out rate, needn't carry out the detection of composition at every turn.Then adjust temperature, change over to and adjust temperature to a suitable scope behind the melt, the temperature of drawing on the chrome zirconium copper alloy is 1200 ℃～1230 ℃.Draw on carrying out continuously, on draw φ 13mm line bar, on the speed of drawing be controlled at 1.4～1.6m/min; Guarantee the process circulation, by constantly throwing in new furnace charge by alloy proportion and scaling loss amount in last drawing in the process, the present embodiment stove replenishes 3000kg at every turn, draws chromium zirconium copper alloy wire pole in the realization continuously.
Technology of the present invention is well protected the easy oxidation metal element, and the melting loss rate of each element sees Table 2 in the present embodiment.
Table 2
Get industrial electrolysis copper, copper chromium intermediate alloy, zirconium silk by table 1 respectively, preparation 4000kg furnace charge.The fusing that heats up of induction melting at first, the 4000kg that feeds intake covers graphite powder and charcoal, treats melt soon to begin electromagnetic agitation, assists deoxidation; The fusing back adds copper chromium intermediate alloy and zirconium silk intensification fusing fully.And carry out electromagnetic agitation, not only electromagnetic agitation when the industrial cathode copper of fusing is also carried out electromagnetic agitation after adding copper chromium intermediate alloy and zirconium silk, makes adding alloy melt composition even.Melt transfer treats that composition is transferred to holding furnace with melt after up to standard then, after commencement of commercial operation, generally adds virgin material according to proportioning and burn out rate, needn't carry out the detection of composition at every turn.Then adjust temperature, change over to and adjust temperature to a suitable scope behind the melt, the temperature of drawing on the chrome zirconium copper alloy is 1220 ℃～1250 ℃.Draw on carrying out continuously, on draw φ 14mm line bar, on the speed of drawing be controlled at 1.2～1.5m/min; Guarantee the process circulation, by constantly throwing in new furnace charge by alloy proportion and scaling loss amount in last drawing in the process, the present embodiment stove replenishes 4000kg at every turn, draws chromium zirconium copper alloy wire pole in the realization continuously.
Technology of the present invention is well protected the easy oxidation metal element, and the melting loss rate of each element sees Table 3 in the present embodiment.
Table 3
In sum, the present invention's preparation contains the technology of the chromium zirconium copper alloy wire pole of easy oxidation, difficult addition element zirconium, carry out in antivacuum induction melting furnace, only guarantee the oxidization burning loss of easy oxidation element by the tight covering of coverture, equipment and technology are very simple.Made full use of the effect of electromagnetic agitation, after the industrial electrolysis copper fusing, made melt combine deoxidation, avoided the oxygen that raw material brings into and the easy oxidation element of adding to have an effect with the graphite charcoal of covering by electromagnetic agitation; Behind easy oxidization burning loss alloy element Zr to be added, the Cr, realize the even of bath composition by electromagnetic agitation.Open and close by smelting furnace body side surface baffle plate and to close body of heater, realize the compartmentation of smelting furnace melt and holding furnace melt, can stop composition brewing chamber melt and on draw the part melt convection, draw crystallizer part liquid fluctuating in the minimizing.Draw in the process last, press alloy proportion and burn out rate and constantly in smelting furnace, throw in new furnace charge continuously, draw the preparation chromium zirconium copper alloy wire pole in the realization continuously; Obtained good economic benefit.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.
Claims (4)
1. the preparation technology of chromium zirconium copper alloy wire pole is characterized in that: may further comprise the steps---
1. induction melting: industrial electrolysis copper is added the fusing that heats up in the induction melting furnace, cover graphite powder and charcoal above simultaneously, form the composite coating of charcoal and graphite powder; The magnetic stirrer that starts the induction melting furnace outside carries out electromagnetic agitation, auxiliary deoxidation treatment; Treat that industrial electrolysis copper melts the back fully and adds copper chromium intermediate alloy and zirconium silk, fusing heats up;
2. electromagnetic agitation: after adding copper chromium intermediate alloy and zirconium silk, utilize electromagnetic agitation to make bath composition even;
3. melt transfer: on move baffle plate between induction melting furnace and the induction holding furnace, induction melting furnace is communicated with induction holding furnace, melt in the induction melting furnace is transferred in the induction holding furnace in the gravity effect, and on the melt of induction holding furnace, cover graphite powder and charcoal, form the composite coating of charcoal and graphite powder;
4. adjust temperature: adjust the melt temperature to 1200 ℃ of induction holding furnace～1250 ℃;
5. draw on continuous: draw system in the startup, draw chromium zirconium copper alloy wire pole on the steady and continuous, draw in the process last, induction melting furnace continues by proportioning melting chromium zirconium copper melts.
2. the preparation technology of chromium zirconium copper alloy wire pole according to claim 1 is characterized in that: step 1. in the composite coating of formed charcoal and graphite powder, its thickness is greater than 120mm.
3. the preparation technology of chromium zirconium copper alloy wire pole according to claim 1 is characterized in that: step 3. in the composite coating of formed charcoal and graphite powder, its thickness is greater than 120mm.
4. the preparation technology of chromium zirconium copper alloy wire pole according to claim 1, it is characterized in that: step lead speed 5. is controlled at 1.2～1.8m/min.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613808B (en) * | 2009-07-08 | 2011-05-04 | 苏州有色金属研究院有限公司 | Non-vacuum production method for CuCrZr alloy wire rod |
| CN102312116A (en) * | 2011-10-09 | 2012-01-11 | 无锡隆达金属材料有限公司 | Solvent for anti-vacuum casting of chromium zircomium copper |
| CN102601332A (en) * | 2012-03-27 | 2012-07-25 | 白银有色集团股份有限公司 | Method for casting small-specification copper rod based on upward casting |
| CN103184357A (en) * | 2011-12-29 | 2013-07-03 | 北京新北铜铝业有限责任公司 | Method of non-vacuum melting and casting copper-chromium-zirconium alloy |
| CN103203439A (en) * | 2013-04-15 | 2013-07-17 | 东又悦（苏州）电子科技新材料有限公司 | Up-draw process oxygen-free copper rod continuous casting 'T'-type smelting furnace |
| CN104043943A (en) * | 2013-03-11 | 2014-09-17 | 高玉树 | Manufacturing process of cupronickel pipe |
| CN105234361A (en) * | 2015-10-13 | 2016-01-13 | 盐城同济新材料科技有限公司 | Copper wire production equipment and copper wire production method based on same |
| CN106865602B (en) * | 2017-03-02 | 2019-04-23 | 攀枝花学院 | Graphite-titanium suboxide composite material preparation method |
| CN110538976A (en) * | 2019-10-15 | 2019-12-06 | 广东海亮铜业有限公司 | Preparation method of casting blank and lead brass casting blank |
| CN111471879A (en) * | 2020-04-17 | 2020-07-31 | 中铝材料应用研究院有限公司 | Preparation method of copper alloy for contact wire |
| CN113547092A (en) * | 2021-07-22 | 2021-10-26 | 江阴金属材料创新研究院有限公司 | Multi-element copper alloy up-drawing furnace and up-drawing casting method |
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2008
- 2008-09-25 CN CNA2008101562316A patent/CN101376166A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613808B (en) * | 2009-07-08 | 2011-05-04 | 苏州有色金属研究院有限公司 | Non-vacuum production method for CuCrZr alloy wire rod |
| CN102312116A (en) * | 2011-10-09 | 2012-01-11 | 无锡隆达金属材料有限公司 | Solvent for anti-vacuum casting of chromium zircomium copper |
| CN103184357B (en) * | 2011-12-29 | 2015-04-01 | 北京新北铜铝业有限责任公司 | Method of non-vacuum melting and casting copper-chromium-zirconium alloy |
| CN103184357A (en) * | 2011-12-29 | 2013-07-03 | 北京新北铜铝业有限责任公司 | Method of non-vacuum melting and casting copper-chromium-zirconium alloy |
| CN102601332A (en) * | 2012-03-27 | 2012-07-25 | 白银有色集团股份有限公司 | Method for casting small-specification copper rod based on upward casting |
| CN102601332B (en) * | 2012-03-27 | 2014-01-15 | 白银有色集团股份有限公司 | Method for casting small-specification copper rod based on upward casting |
| CN104043943A (en) * | 2013-03-11 | 2014-09-17 | 高玉树 | Manufacturing process of cupronickel pipe |
| CN103203439B (en) * | 2013-04-15 | 2015-11-25 | 东又悦（苏州）电子科技新材料有限公司 | A kind of up-drawing method oxygen-free copper bar continuous casting T-shape smelting furnace |
| CN103203439A (en) * | 2013-04-15 | 2013-07-17 | 东又悦（苏州）电子科技新材料有限公司 | Up-draw process oxygen-free copper rod continuous casting 'T'-type smelting furnace |
| CN105234361A (en) * | 2015-10-13 | 2016-01-13 | 盐城同济新材料科技有限公司 | Copper wire production equipment and copper wire production method based on same |
| CN106865602B (en) * | 2017-03-02 | 2019-04-23 | 攀枝花学院 | Graphite-titanium suboxide composite material preparation method |
| CN110538976A (en) * | 2019-10-15 | 2019-12-06 | 广东海亮铜业有限公司 | Preparation method of casting blank and lead brass casting blank |
| CN111471879A (en) * | 2020-04-17 | 2020-07-31 | 中铝材料应用研究院有限公司 | Preparation method of copper alloy for contact wire |
| CN111471879B (en) * | 2020-04-17 | 2021-05-28 | 中铝材料应用研究院有限公司 | Preparation method of copper alloy for contact wire |
| CN113547092A (en) * | 2021-07-22 | 2021-10-26 | 江阴金属材料创新研究院有限公司 | Multi-element copper alloy up-drawing furnace and up-drawing casting method |
| CN113547092B (en) * | 2021-07-22 | 2023-09-15 | 东莞市凤岗冠铸铜业有限公司 | Multi-element copper alloy upward furnace and casting method |
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Open date: 20090304 |