CN106676300B - A kind of production technology of alloy round aluminum rod - Google Patents
A kind of production technology of alloy round aluminum rod Download PDFInfo
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- CN106676300B CN106676300B CN201710031739.2A CN201710031739A CN106676300B CN 106676300 B CN106676300 B CN 106676300B CN 201710031739 A CN201710031739 A CN 201710031739A CN 106676300 B CN106676300 B CN 106676300B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to a kind of production technologies of electrician's alloy round aluminum rod, it is characterised in that：The production technology is continuous rolling production mode, is carried out according to the following steps：（1）, install in smelting furnace the molten aluminum that aluminium content is 99.60% or more, make the control of its temperature at 710 ~ 770 DEG C；（2）, aluminium per ton addition industrial silicon 1kg, 75% bronze medal agent 3kg of 75% chalybeate 5kg of iron content and copper content；（3）, stand 10 ~ after twenty minutes, aluminium per ton adds rare earth alloy 3kg and aluminum-boron alloy 4.5kg；（4）, control in-furnace temperature at 720 ~ 760 DEG C, open electromagnetic agitation to aluminium alloy melt stir 15 ~ 40 minutes；（5）, sampling analysis meet alloy standard require after, with pressure be 0.1 ~ 0.2MPa argon gas spray refining agent refine 10 ~ 30 minutes；（6）, refining after the completion of stand converter in 20 ~ 40 minutes.The alloy round aluminum rod elongation that the present invention obtains meets the requirement of aluminium bar drawing, is greatly lowered in electricity transmission process and is lost, it can be achieved that large span long range high voltage power transmission.
Description
Technical field
The present invention relates to a kind of production technology of alloy round aluminum rod, especially a kind of production work of electrician's alloy round aluminum rod
Skill belongs to aluminium alloy wires processing technique field.
Background technology
Electrician is mainly used for electric wire raw material with alloy round aluminum rod, needs the product performance index mainly controlled to be respectively
Tensile strength, elongation, resistivity.The conductive effect of resistivity effects electric wire, mainly by the chemical composition of material and gas
Slag content is determined that the increase of impurity element and gas slag content can be such that resistivity increases, and be unfavorable for the control of product quality；Elongation
Rate influences round aluminum rod and draws processing performance, and elongation is big, is easy to draw processing, production efficiency is high；Tensile strength influences it
It is drawn into the transmission of electricity of electric wire and aerial performance, the electric wire of the high same current-carrying capacity of tensile strength sets up arc during use
Sag is small, can be used for large span power transmission and transformation line.Currently, domestic extensive round aluminum rod belongs to fine aluminium series, tensile strength
Not high, transmission of electricity is mostly steel-cored aluminium strand with electric wire, from great, to large span long range high voltage power transmission, cable arc sag degree
Greatly, it is especially unsuitable for having frost high and cold mountain area to use.And existing 6101,6201 alloy round aluminum rod tensile strength are 160-
200MPa, but product resistivity is 36n Ω .m, is lost greatly in the high electricity transmission process of resistivity, electric cable heating is led when current-carrying capacity is larger
Cause arc sag degree big, it is more difficult to realize large span long range high voltage power transmission.In order to solve this problem, it is badly in need of a kind of in guarantee resistivity
In the case that increasing degree is smaller, and tensile strength reaches the electric wire raw material of 160-200MPa.
Invention content
It is a kind of in the case where ensureing that resistivity increasing degree is smaller in order to obtain, and tensile strength reaches 160-200MPa
Electric wire raw material, mesh of the invention is to provide a kind of electrician's alloy round aluminum lever production technology, and the production technology is
Continuous casting and rolling is as follows：
（1）, install in smelting furnace the molten aluminum that aluminium content is 99.60% or more, make the control of its temperature at 710 ~ 770 DEG C；
（2）, aluminium per ton addition industrial silicon 1kg, 75% bronze medal agent 3kg of 75% chalybeate 5kg of iron content and copper content；
（3）, stand 10 ~ after twenty minutes, aluminium per ton adds rare earth alloy 3kg and aluminum-boron alloy 4.5kg；
（4）, control in-furnace temperature at 720 ~ 760 DEG C, open electromagnetic agitation to aluminium alloy melt stir 15 ~ 40 minutes；（5）、
It is that 0.1 ~ 0.2MPa argon gas sprays refining agent refining 10 ~ 30 minutes with pressure after sampling analysis meets the requirement of alloy standard；
（6）, refining after the completion of stand converter in 20 ~ 40 minutes.
（7）, continuous casting and rolling process for production parameter it is as follows：
The cast temperature of molten aluminum is controlled at 670 ~ 720 DEG C；Continuous casting and rolling speed is 4.0 ~ 6.0 ton hours；Casting machine cooling water
20 ~ 31 DEG C of temperature, 0.2 ~ 0.4MPa of cooling water pressure；It is 300 ~ 450 DEG C that hot rolling, which enters to roll temperature,；150 ~ 250 DEG C of finishing temperature；It rolls
Emulsion temperature processed is 50 ~ 65 DEG C, and pressure is 0.25 ~ 0.45 MPa；Take-up temperature is less than 70 DEG C.
Beneficial effects of the present invention are as follows：
The tensile strength of the alloy round aluminum rod reaches 160-200MPa, at the same resistivity can be controlled in 29.0 n Ω .m with
Under, and elongation meets the requirement of aluminium bar drawing, is greatly lowered in electricity transmission process and is lost, it can be achieved that large span long range high pressure
Transmission of electricity.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, the technical solution in the present embodiment is clearly and completely described, is shown
So, described embodiment is only rather than whole example to a part of example of the present invention.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making the creative labor belong to
The scope of protection of the invention.
Embodiment 1
A kind of electrician of the present embodiment alloy round aluminum lever production technology, the production technology is continuous casting and rolling, specific to walk
It is rapid as follows：
（1）, in smelting furnace by production requirement amount install aluminium content be 99.60% or more molten aluminum, make its temperature control exist
748℃；
（2）, aluminium per ton addition industrial silicon 1kg, 75% bronze medal agent 3kg of 75% chalybeate 5kg of iron content and copper content；
（3）, stand 15 minutes after, aluminium per ton addition rare earth alloy 3kg and aluminum-boron alloy 4.5kg, the rare earth include lanthanum
La and cerium Ce；
（4）, make in-furnace temperature control at 739 DEG C, open electromagnetic agitation to aluminium alloy melt stir 38 minutes；
（5）, sampling analysis meet alloy standard require after, dusted with 0.1 ~ 0.2MPa argon gas（Refining agent）30 points of refining
Clock；
（6）, refining after the completion of stand 35 minutes converter producings；
（7）, continuous casting and rolling process for production parameter it is as follows：
The cast temperature of molten aluminum is controlled at 700 ~ 715 DEG C；Continuous casting and rolling speed is 6.4 ton hours；Casting machine cooling water temperature
22 DEG C, cooling water pressure 0.35MPa；It is 400 ~ 450 DEG C that hot rolling, which enters to roll temperature,；220 ~ 240 DEG C of finishing temperature；Rolling emulsion temperature
Degree is 59 ~ 65 DEG C, and pressure is 0.26 ~ 0.30 MPa；Take-up temperature is 50 ~ 55 DEG C.
Embodiment 2
A kind of electrician of the present embodiment alloy round aluminum lever production technology, the production technology is continuous casting and rolling, specific to walk
It is rapid as follows：
（1）, in smelting furnace by production requirement amount install aluminium content be 99.60% or more molten aluminum, make its temperature control exist
760℃；
（2）, aluminium per ton addition industrial silicon 1kg, 75% bronze medal agent 3kg of 75% chalybeate 5kg of iron content and copper content；
（3）, stand 19 minutes after, aluminium per ton addition rare earth alloy 3kg and aluminum-boron alloy 4.5kg, the rare earth include lanthanum
La and cerium Ce；
（4）, make in-furnace temperature control at 756 DEG C, open electromagnetic agitation to aluminium alloy melt stir 40 minutes；
（5）, sampling analysis meet alloy standard require after, dusted with 0.1 ~ 0.2MPa argon gas（Refining agent）29 points of refining
Clock；
（6）, refining after the completion of stand 33 minutes converter producings；
（7）, continuous casting and rolling process for production parameter it is as follows：
The cast temperature of molten aluminum is controlled at 680 ~ 690 DEG C；Continuous casting and rolling speed is 7.0 ton hours；Casting machine cooling water temperature
23 DEG C, cooling water pressure 0.38MPa；It is 410 ~ 440 DEG C that hot rolling, which enters to roll temperature,；210 ~ 237 DEG C of finishing temperature；Rolling emulsion temperature
Degree is 60 ~ 65 DEG C, and pressure is 0.28 ~ 0.34 MPa；Take-up temperature is 58 ~ 64 DEG C.
Tensile strength, elongation, the resistivity for the alloy round aluminum rod that the present invention obtains are as shown in the table：
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (1)
1. a kind of production technology of electrician's alloy round aluminum rod, it is characterised in that：The production technology is continuous casting and rolling, by following
Step carries out：
（1）, install in smelting furnace the molten aluminum that aluminium content is 99.60% or more, make the control of its temperature at 710 ~ 770 DEG C；
（2）, aluminium per ton addition industrial silicon 1kg, 75% bronze medal agent 3kg of 75% chalybeate 5kg of iron content and copper content；
（3）, stand 10 ~ after twenty minutes, aluminium per ton adds rare earth alloy 3kg and aluminum-boron alloy 4.5kg；
（4）, control in-furnace temperature at 720 ~ 760 DEG C, open electromagnetic agitation to aluminium alloy melt stir 15 ~ 40 minutes；（5）, sampling
It is that 0.1 ~ 0.2MPa argon gas sprays refining agent refining 10 ~ 30 minutes with pressure after analysis meets the requirement of alloy standard；
（6）, refining after the completion of stand converter in 20 ~ 40 minutes；
（7）, continuous casting and rolling process for production parameter it is as follows：
The cast temperature of molten aluminum is controlled at 670 ~ 720 DEG C；Continuous casting and rolling speed is 4.0 ~ 6.0 ton hours；Casting machine cooling water temperature
20 ~ 31 DEG C, 0.2 ~ 0.4MPa of cooling water pressure；It is 300 ~ 450 DEG C that hot rolling, which enters to roll temperature,；150 ~ 250 DEG C of finishing temperature；Rolling breast
It is 50 ~ 65 DEG C to change liquid temperature, and pressure is 0.25 ~ 0.45 MPa；Take-up temperature is less than 70 DEG C.
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| CN201710031739.2A CN106676300B (en) | 2017-01-17 | 2017-01-17 | A kind of production technology of alloy round aluminum rod |
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| CN201710031739.2A CN106676300B (en) | 2017-01-17 | 2017-01-17 | A kind of production technology of alloy round aluminum rod |
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| CN106676300A CN106676300A (en) | 2017-05-17 |
| CN106676300B true CN106676300B (en) | 2018-07-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805748A (en) * | 2017-10-30 | 2018-03-16 | 天津市津和双金属线材有限公司 | A kind of high heat-resisting electrical aluminum rod formula |
| CN110948186B (en) * | 2019-12-17 | 2021-10-29 | 金湖龙兴达汽配有限公司 | Production method of anti-overflow exhaust valve |
| CN113369331B (en) * | 2021-06-10 | 2023-03-31 | 云南铝业股份有限公司 | Continuous casting and rolling preparation method of 6061 aluminum alloy round rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074465A (en) * | 2007-04-30 | 2007-11-21 | 广东雄力双利电缆有限公司 | Production of high-strength heat-resisting aluminum-alloy overhead transmission connecting wire |
| CN101492783A (en) * | 2009-02-27 | 2009-07-29 | 云南铝业股份有限公司 | Formulating method for Al-Cu alloy round aluminum rod |
| CN101956103A (en) * | 2010-10-20 | 2011-01-26 | 云南铝业股份有限公司 | High strength alloy round aluminium rod and production method thereof |
| CN104498747A (en) * | 2014-12-25 | 2015-04-08 | 云南铝业股份有限公司 | Preparation method of Al-Zr-RE alloy round aluminum rod |
| CN106119612A (en) * | 2016-06-14 | 2016-11-16 | 江苏亨通电力特种导线有限公司 | Strength aluminium alloy material and preparation method thereof in one |
-
2017
- 2017-01-17 CN CN201710031739.2A patent/CN106676300B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074465A (en) * | 2007-04-30 | 2007-11-21 | 广东雄力双利电缆有限公司 | Production of high-strength heat-resisting aluminum-alloy overhead transmission connecting wire |
| CN101492783A (en) * | 2009-02-27 | 2009-07-29 | 云南铝业股份有限公司 | Formulating method for Al-Cu alloy round aluminum rod |
| CN101956103A (en) * | 2010-10-20 | 2011-01-26 | 云南铝业股份有限公司 | High strength alloy round aluminium rod and production method thereof |
| CN104498747A (en) * | 2014-12-25 | 2015-04-08 | 云南铝业股份有限公司 | Preparation method of Al-Zr-RE alloy round aluminum rod |
| CN106119612A (en) * | 2016-06-14 | 2016-11-16 | 江苏亨通电力特种导线有限公司 | Strength aluminium alloy material and preparation method thereof in one |
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Address after: 650000 Yunnan Aluminum Co., Ltd. Qidian Township, Chenggong County, Kunming City, Yunnan Province Patentee after: Yunnan Aluminium Co., Ltd. Address before: 650000 Yunnan Province Kunming Gongxian Qidian Township Yunnan Aluminum Industry Co., Ltd. Patentee before: Yunnan Aluminium Co., Ltd. |
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