CN1978686A - Method for manufacturing high-conductive heat-resistance aluminium alloy wire - Google Patents
Method for manufacturing high-conductive heat-resistance aluminium alloy wire Download PDFInfo
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- CN1978686A CN1978686A CN 200510111000 CN200510111000A CN1978686A CN 1978686 A CN1978686 A CN 1978686A CN 200510111000 CN200510111000 CN 200510111000 CN 200510111000 A CN200510111000 A CN 200510111000A CN 1978686 A CN1978686 A CN 1978686A
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Abstract
The invention relates high conduction heat-resistant aluminum alloy wire manufacturing method. It includes the following steps: adding aluminum ingot with 0.06% silicon, not more than 0.16% iron and 0.01% copper, 0.015% four elements Ti, V, Cr, Mn, and 0.03% other impurity into shaft furnace to melt; adding 0.03-0.5% zirconium as additional element; stirring; refining; degassing; deslagging; using solid covering agent to cover aluminum pad surface; standing for 445-60 minutes; using high speed spectrum analyzer to test, monitor, adjust each element, control element content; filtering; continuous casting to form aluminum casting ingot; tandem rolling; drawing to form aluminum alloy wire with need diameter.
Description
Technical field
The present invention relates to a kind of manufacturing of electrical material, is a kind of manufacturing technology of cond aluminium, or rather, is the manufacture method of high-conductive heat-resistance aluminium alloy wire.
Background technology
At present, obtain high-conductive heat-resistance aluminium alloy wire, be to obtain the alloy pole stock through conventional melting, alloying, concise and common continuous casting and rolling with aluminium ingot, this pole stock is again through backguy and thermal treatment, just can reach the above mechanical, electrical performance demands of 60%IACS, the holding furnace that uses is flat at present, all alloy liquid can not be toppled over totally after each melting, in body of heater, leave residual alloy liquid, to exert an influence to the configuration of the alloy liquid of next stove, and make the salient featuress such as electric conductivity, intensity survival rate of high-conductive heat-resistance aluminium alloy wire also not reach the stably manufactured purpose.
Summary of the invention
The purpose of this invention is to provide a kind of method that reaches the manufacturing high-conductive heat-resistance aluminium alloy wire of performance requriements.
For realizing above purpose, technical scheme of the present invention provides a kind of method of making high-conductive heat-resistance aluminium alloy wire, it is characterized in that, the method for manufacturing is:
The first step selected aluminum matrix and alloy pig: selecting foreign matter content is the aluminium ingot of silicon below 0.08%, iron≤0.16%, copper≤0.01%, (titanium Ti+ vanadium V+ chromium Cr+ manganese Mn)≤0.015%, other every kind impurity≤0.03%;
The second step aluminum substrate fusing: aluminum substrate is put into the shaft furnace fusing, and to be placed on the body of heater that can the fascinate angle of can fascinating be the 25-28 degree, and the aluminium liquid flip angle in the stove is in the holding furnace of 20-23 degree;
The 3rd step alloy preparation: prepare uniform alloy liquid: add the zirconium of alloying element 0.03~0.5% and 0.01~0.1% yttrium;
The 4th step process is handled: through uniform stir process, degasification, slagging-off with solid insulating covering agent aluminium coating liquid surface, and are left standstill more than 30 minutes in kettle furnace;
The 5th step on-the-spot sample analysis adjustment: with the high-speed light spectrometer principal element is carried out the stokehold rapid detection, is monitored, adjusts, control element content;
The 6th step casting and crystallization: the alloy aluminum liquid in the kettle furnace through chute, is filtered by filtration unit, be aided with the boron alloy that adds crystal grain thinning 0.001~0.01% and enter special-purpose aluminium alloy continuous caster and carry out continuous casting, the formation aluminium alloy cast ingot;
The 7th step, rolling: aluminium alloy cast ingot is gone into special-purpose aluminium alloy tandem rolling unit roll into aluminium alloy rod;
The 8th the step: drawing is stranded: on continuous drawing machine, pull into the aluminium alloy product line of required diameter, and on frame type stranding machine stranded stranding.
Described Alloying Treatment, the holding furnace of employing automatization, fire box temperature is controlled at 850-980 ℃, and temperature of aluminum liquid is controlled at 720-740 ℃; Described aluminium alloy continuous caster is made up of the wheeled crystallizing wheel of H type; Described aluminium alloy tandem rolling unit is the built-up type that two rollers add three rollers; It is 480~520 ℃ that the aluminum alloy bar that described tandem rolling unit is rolled advances to roll temperature, continuous mill cooling and lubricating emulsion total pressure 0.1~0.2Mpa, and the finishing temperature of aluminium alloy rod is at 250~300 ℃; The pull wire speed of described continuous drawing machine is at 8~25 meter per seconds.
The present invention's strict control aluminium ingot impurity and alloying are added constituent content, and by the different manufacturing stages, the homogeneity of control alloy, adopt the kettle furnace of automatization temperature control, the body of heater of the kettle furnace of this type of automatization temperature control angle of can fascinating is the 25-28 degree, aluminium liquid flip angle in the stove is the 20-23 degree, because body of heater can fascinate the angle greater than aluminium liquid flip angle, can guarantee that aluminium liquid topples over totally fully in the body of heater of holding furnace, thereby guarantee and control the homogeneity of the alloy liquid configuration of second stove, control the temperature of each point, processing parameters such as temperature of cooling water and flow and production rate, use in the stove simultaneously and external refining, make degasification obvious with the slagging-off effect.Crystal grain refinement is once more used in crystallization, guarantees that crystalline state is good, and the aluminium alloy continuous casting and rolling milling train that adopts two new-type rollers to add three roller group types is controlled well and rolled bar technology, makes aluminium alloy rod obtain fully distortion, excellent property.
Advantage of the present invention is to make high-conductive heat-resistance aluminium alloy wire can reach performance requriements.
Description of drawings
Fig. 1 is a manufacturing process synoptic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 1, be manufacturing process synoptic diagram of the present invention, a kind of method of making high-conductive heat-resistance aluminium alloy wire is: the selection foreign matter content is the aluminium ingot of silicon≤0.08%, iron≤0.16%, copper≤0.01%, (titanium Ti+ vanadium V+ chromium Cr+ manganese Mn)≤0.015%, other every kind impurity≤0.03%; , put into shaft furnace fusing; The adding scope is at 0.03~0.5% zirconium and 0.01~0.1% yttrium, as the interpolation element of Alloying Treatment; Aluminium liquid carries out Alloying Treatment in the holding furnace that can fascinate, fire box temperature is controlled at 900 ℃, the aluminium hydraulic control built in 720-740 ℃ through the processing that stirs, solid or gas and solid and gas blended refining agent refining crystal grain thinning with routine, with solid insulating covering agent aluminium coating liquid surface, and leave standstill more than 45 minutes; With the high-speed light spectrometer principal element is detected, monitor, adjust when content departs from, reach the composition of control alloy aluminum liquid.By the holding furnace that can fascinate aluminium liquid is slowly toppled over outflow, through chute, in last casting ladle, use the glass cross bag filtration, or filter with foam ceramic tile or pipe, add 0.001~0.01% boron alloy crystal grain thinning, aluminium liquid enters down the aluminium alloy continuous caster that casting ladle is made up of the wheeled crystallizing wheel of H type and carries out continuous casting then, becomes aluminium alloy cast ingot; Aluminium alloy pouring temperature: 705 ℃; Enter the aluminium alloy tandem rolling unit that two rollers add the novel combination type of three rollers again and roll into aluminium alloy rod, advance to roll 490 ℃ of temperature, cooling and lubricating emulsion total pressure 0.2Mpa, the finishing temperature of aluminium alloy rod is at 250~300 ℃, the Ф 9.5mm high-conductivity aluminum alloy bar that shuts out, Ф 9.5mm loose ring heat-resisting aluminium alloy bar is on the sliding type continuous drawing machine, and pull wire speed 8~25 meter per seconds are advisable, pull out the heat-resisting aluminium alloy product line, wire range is at 5.0~(2.3) 1.8mm.
The used equipment of this manufacturing all buyable arrives.
Claims (6)
1. a method of making high-conductive heat-resistance aluminium alloy wire is characterized in that, the method for manufacturing is:
The first step selected aluminum matrix and alloy pig: selecting foreign matter content is the aluminium ingot of silicon below 0.08%, iron≤0.16%, copper≤0.01%, (titanium Ti+ vanadium V+ chromium Cr+ manganese Mn)≤0.015%, other every kind impurity≤0.03%;
The second step aluminum substrate fusing: aluminum substrate is put into the shaft furnace fusing, and to be placed on the body of heater that can the fascinate angle of can fascinating be the 25-28 degree, and the aluminium liquid flip angle in the stove is in the holding furnace of 20-23 degree;
The 3rd step alloy preparation: prepare uniform alloy liquid: add the zirconium of alloying element 0.03~0.5% and 0.01~0.1% yttrium;
The 4th step process is handled: through uniform stir process, degasification, slagging-off with solid insulating covering agent aluminium coating liquid surface, and are left standstill more than 30 minutes in kettle furnace;
The 5th step on-the-spot sample analysis adjustment: with the high-speed light spectrometer principal element is carried out the stokehold rapid detection, is monitored, adjusts, control element content;
The 6th step casting and crystallization: the alloy aluminum liquid in the kettle furnace through chute, is filtered by filtration unit, be aided with the boron alloy that adds crystal grain thinning 0.001~0.01% and enter special-purpose aluminium alloy continuous caster and carry out continuous casting, the formation aluminium alloy cast ingot;
The 7th step, rolling: aluminium alloy cast ingot is gone into special-purpose aluminium alloy tandem rolling unit roll into aluminium alloy rod;
The 8th the step: drawing is stranded: on continuous drawing machine, pull into the aluminium alloy product line of required diameter, and on frame type stranding machine stranded stranding.
2. in accordance with the method for claim 1, it is characterized in that, described Alloying Treatment, the holding furnace of employing automatization, fire box temperature is controlled at 850-980 ℃, and temperature of aluminum liquid is controlled at 720-740 ℃.
3. in accordance with the method for claim 1, it is characterized in that described aluminium alloy continuous caster is made up of the wheeled crystallizing wheel of H type.
4. in accordance with the method for claim 1, it is characterized in that described aluminium alloy tandem rolling unit is the built-up type that two rollers add three rollers.
5. in accordance with the method for claim 1, it is characterized in that it is 480~520 ℃ that the aluminum alloy bar that described tandem rolling unit is rolled advances to roll temperature, continuous mill cooling and lubricating emulsion total pressure 0.1~0.2Mpa, the finishing temperature of aluminium alloy rod is at 250~300 ℃.
6. it is characterized in that in accordance with the method for claim 1: the pull wire speed of described continuous drawing machine is at 8~25 meter per seconds.
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Cited By (15)
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CN101419849B (en) * | 2008-10-21 | 2011-03-09 | 无锡华能电缆有限公司 | High conductivity flexible aluminum wire and manufacturing method thereof |
CN102041418A (en) * | 2011-01-28 | 2011-05-04 | 江苏中天科技股份有限公司 | Method for manufacturing moderate intensity aluminium alloy wire with 57% electric conductivity |
CN102162050A (en) * | 2011-01-28 | 2011-08-24 | 江苏中天科技股份有限公司 | Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent |
CN102456442A (en) * | 2010-10-26 | 2012-05-16 | 上海中天铝线有限公司 | Manufacturing method for medium-strength aluminum alloy wire with electrical conductivity of 57 percent |
CN102758107A (en) * | 2012-06-11 | 2012-10-31 | 上海交通大学 | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof |
CN102773275A (en) * | 2012-04-12 | 2012-11-14 | 广东双利电缆有限公司 | Novel aluminium alloy wire drawing unit |
CN103103394A (en) * | 2012-11-05 | 2013-05-15 | 熊科学 | High-strength heat-resistant aluminium alloy |
CN103714881A (en) * | 2013-12-16 | 2014-04-09 | 黄冈兴和电线电缆有限公司 | Heat-resistant aluminum alloy expanded-diameter conductor and manufacturing method thereof |
CN104475468A (en) * | 2014-12-09 | 2015-04-01 | 中色(天津)特种材料有限公司 | Continuous-casting and continuous-drawing processing technique of N6 nickel alloy wire |
CN106244832A (en) * | 2015-05-13 | 2016-12-21 | 江苏亨通电力特种导线有限公司 | Manufacturing process for high intensity alusil alloy round bar |
CN106947891A (en) * | 2017-05-12 | 2017-07-14 | 江苏亨通电力特种导线有限公司 | The high-temperature alloy wire rod of high conductivity |
CN109234580A (en) * | 2018-08-03 | 2019-01-18 | 特变电工山东鲁能泰山电缆有限公司 | A kind of high-strength conductive rate aluminium bar material and production method |
WO2020232990A1 (en) * | 2019-05-17 | 2020-11-26 | 江苏亨通电力特种导线有限公司 | Heat-resistant aluminum alloy having high conductivity, preparation method therefor and alloy aluminum rod used for overhead cables |
CN114086033A (en) * | 2021-11-25 | 2022-02-25 | 江苏亨通电力特种导线有限公司 | Super heat-resistant aluminum alloy wire and preparation method thereof |
CN115261749A (en) * | 2022-07-12 | 2022-11-01 | 江苏亨通电力特种导线有限公司 | High-conductivity heat-resistant aluminum alloy wire and preparation process and application thereof |
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2005
- 2005-12-01 CN CN 200510111000 patent/CN1978686A/en active Pending
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CN101419849B (en) * | 2008-10-21 | 2011-03-09 | 无锡华能电缆有限公司 | High conductivity flexible aluminum wire and manufacturing method thereof |
CN102456442A (en) * | 2010-10-26 | 2012-05-16 | 上海中天铝线有限公司 | Manufacturing method for medium-strength aluminum alloy wire with electrical conductivity of 57 percent |
CN102456442B (en) * | 2010-10-26 | 2013-03-27 | 上海中天铝线有限公司 | Manufacturing method for medium-strength aluminum alloy wire with electrical conductivity of 57 percent |
CN102041418A (en) * | 2011-01-28 | 2011-05-04 | 江苏中天科技股份有限公司 | Method for manufacturing moderate intensity aluminium alloy wire with 57% electric conductivity |
CN102162050A (en) * | 2011-01-28 | 2011-08-24 | 江苏中天科技股份有限公司 | Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent |
CN102162050B (en) * | 2011-01-28 | 2012-10-10 | 江苏中天科技股份有限公司 | Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent |
CN102041418B (en) * | 2011-01-28 | 2012-10-10 | 江苏中天科技股份有限公司 | Method for manufacturing moderate intensity aluminium alloy wire with 57% electric conductivity |
CN102773275B (en) * | 2012-04-12 | 2015-07-01 | 广东双利电缆有限公司 | Novel aluminium alloy wire drawing unit |
CN102773275A (en) * | 2012-04-12 | 2012-11-14 | 广东双利电缆有限公司 | Novel aluminium alloy wire drawing unit |
CN102758107A (en) * | 2012-06-11 | 2012-10-31 | 上海交通大学 | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof |
CN102758107B (en) * | 2012-06-11 | 2015-01-21 | 上海交通大学 | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof |
CN103103394A (en) * | 2012-11-05 | 2013-05-15 | 熊科学 | High-strength heat-resistant aluminium alloy |
CN103714881A (en) * | 2013-12-16 | 2014-04-09 | 黄冈兴和电线电缆有限公司 | Heat-resistant aluminum alloy expanded-diameter conductor and manufacturing method thereof |
CN103714881B (en) * | 2013-12-16 | 2016-04-13 | 黄冈兴和电线电缆有限公司 | A kind of heat-resistant aluminum alloy expanded-diameter conductor and manufacture method thereof |
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CN104475468B (en) * | 2014-12-09 | 2016-08-24 | 中色(天津)特种材料有限公司 | N6 nickel alloy wire continuous casting even pulls out processing technique |
CN106244832A (en) * | 2015-05-13 | 2016-12-21 | 江苏亨通电力特种导线有限公司 | Manufacturing process for high intensity alusil alloy round bar |
CN106244858A (en) * | 2015-05-13 | 2016-12-21 | 江苏亨通电力特种导线有限公司 | Welding wire alusil alloy round bar |
CN106636695A (en) * | 2015-05-13 | 2017-05-10 | 江苏亨通电力特种导线有限公司 | Preparation method of heat-resistant aluminum alloy wire |
CN106947891A (en) * | 2017-05-12 | 2017-07-14 | 江苏亨通电力特种导线有限公司 | The high-temperature alloy wire rod of high conductivity |
CN109234580A (en) * | 2018-08-03 | 2019-01-18 | 特变电工山东鲁能泰山电缆有限公司 | A kind of high-strength conductive rate aluminium bar material and production method |
WO2020232990A1 (en) * | 2019-05-17 | 2020-11-26 | 江苏亨通电力特种导线有限公司 | Heat-resistant aluminum alloy having high conductivity, preparation method therefor and alloy aluminum rod used for overhead cables |
CN114086033A (en) * | 2021-11-25 | 2022-02-25 | 江苏亨通电力特种导线有限公司 | Super heat-resistant aluminum alloy wire and preparation method thereof |
CN115261749A (en) * | 2022-07-12 | 2022-11-01 | 江苏亨通电力特种导线有限公司 | High-conductivity heat-resistant aluminum alloy wire and preparation process and application thereof |
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