CN106734319A - A kind of manufacturing technology of copper strip for photovoltaic solar device - Google Patents
A kind of manufacturing technology of copper strip for photovoltaic solar device Download PDFInfo
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- CN106734319A CN106734319A CN201611241898.7A CN201611241898A CN106734319A CN 106734319 A CN106734319 A CN 106734319A CN 201611241898 A CN201611241898 A CN 201611241898A CN 106734319 A CN106734319 A CN 106734319A
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- copper strips
- finished product
- annealing
- photovoltaic solar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
Abstract
The invention discloses a kind of manufacturing technology of copper strip for photovoltaic solar device, from high-quality Cu-CATH-1 as raw material, smelting successively, constituent analysis, insulation, cast operation, the wherein temperature of melting are 1180 DEG C~1220 DEG C, holding temperature be 1150 DEG C~1200 DEG C, copper：>=99.99%；Oxygen≤0.0010%；Iron content：≤ 0.0040%；Phosphorus content：≤ 0.0010% strand, then by a series of hot rolling, Milling Process, roughing, trimming, annealing, cleaning, in roll, loose winding, double annealing, secondary cleaning, finish rolling, smear antitack agent and three annealing process.There is good comprehensive mechanical property and tolerance grade higher simultaneously by the copper strips of technique productions of the invention, and excellent surface quality, meet performance requirement and required precision of the photovoltaic solar industry to copper strips, can be widely used in the manufacture of the interconnecting strip of photovoltaic solar device and convergent belt.
Description
Technical field
The present invention relates to a kind of production technology of copper strips, and in particular to a kind of manufacturing technology of copper strip for photovoltaic solar device.
Background technology
Solar thermal collector is the main flow of current emerging energy development, and the copper strips for plate type solar heat collection plate core disappears
Expense amount gradually increases, and the copper strips consumption figure of solar energy interconnecting strip and convergent belt also increases year by year, every year with least 20% speed
It is incremented by.Solar energy copper strips as solar energy important raw and processed materials, its apparent consumption will lift rapidly.
Current photovoltaic solar strip is not that tensile strength does not reach requirement >=240Mpa, is exactly that HV hardness do not reach will
HV≤50 are asked, there is no suitable production method.This has had a strong impact on the application and development of photovoltaic solar strip, production cost
It is high.
The content of the invention
Goal of the invention：The present invention is directed to deficiency of the prior art, propose it is a kind of with good comprehensive mechanical property and
Tolerance grade higher, and excellent surface quality, meeting photovoltaic solar industry will to the performance requirement and precision of copper strips
Ask, the photovoltaic solar copper strips that can be widely used in the manufacture of the interconnecting strip of photovoltaic solar device and convergent belt
Production technology.
Technical scheme：A kind of manufacturing technology of copper strip for photovoltaic solar device of the present invention, comprises the following steps：
（1）Horizontal casting：From high-quality Cu-CATH-1 as raw material, smelting successively, constituent analysis, insulation, cast operation,
Wherein the temperature of melting be 1180 DEG C~1220 DEG C, holding temperature be 1150 DEG C~1200 DEG C, copper：>=99.99%；Oxygen
≤ 0.0010%；Iron content：≤ 0.0040%；Phosphorus content：≤ 0.0010% strand；
（2）Hot rolling：Temperature is 800-900 DEG C, and the operation of rolling is 220mm-205mm-175mm-143mm-110mm -80mm-
35mm-28mm-23mm-15mm, finishing temperature >=580 DEG C, chilling temperature≤60 DEG C；
（3）Milling Process：Milling Process is carried out to upper and lower two surface on the slab thickness direction, the strand table is removed
Casting flaw layer on face；
（4）Roughing：The roughing cogging of multi-pass is carried out to the strand using roughing mill, copper strips blank is obtained；
（5）Trimming：The edge that its both sides has raw edges and opening is wiped out along the length direction of the copper strips blank；
（6）Annealing：Will be through step（5）The copper strips blank for obtaining is made annealing treatment, and soft state is obtained after annealing in system material copper
Band；
（7）Cleaning：To described cleaning by degreasing is carried out in system material copper strips；
（8）In roll：In system material copper strips rolled in multi-pass to described, obtain the less semi-finished product copper strips of thickness；
（9）Loose winding：To through the step（8）The semi-finished product copper strips for obtaining carries out loose winding treatment；
（10）Double annealing：The semi-finished product copper strips after to loose winding makes annealing treatment again, obtained after annealing soft state half into
Product copper strips；
（11）Secondary cleaning：To step（10）The described soft state semi-finished product copper strips for obtaining carries out cleaning by degreasing；
（12）Finish rolling：Described soft state semi-finished product copper strips after to cleaning carries out the finish rolling of multi-pass, and acquisition reaches finished product setting
The finished product copper strips of thickness；
（13）Smear antitack agent：The finished product copper strips after to finish rolling carries out cleaning by degreasing again, again in the finished product after cleaning
The upper and lower surface smear antitack agent of the thickness direction of copper strips；
（14）Three annealing：Made annealing treatment to being coated with the finished product copper strips after antitack agent, obtain soft state finished product copper strips.
Further, the step（4）Rough rolling process be the irreversible milling train of frame of four-roller two, 14mm-9.15mm-6.0mm,
Mill speed 30m/min, roll-force 4500kN；6.0mm-3.92mm-2.55mm, 180m/min, roll-force 3500~
4000kN ；2.55mm-1.68mm-1.1mm, 200m/min, 3500~3000kN of roll-force.
Further, the step（6）In, annealing temperature is 400 DEG C~550 DEG C, and the heating-up time is 3h~6h, is protected
Warm 4h~7h, cools down after insulation, and tapping temperature is 60 DEG C~70 DEG C and obtains the soft state in system material copper strips.
Further, the step（8）It is middle use finishing mill rolled in carrying out process for：1.1mm-0.75mm-0.51mm-
0.37mm, mill speed 250-350m/min.
Further, the step（10）Middle annealing temperature is 400 DEG C~550 DEG C, and the heating-up time is 3h~6h,
Insulation 4h~7h, cools down after insulation, and tapping temperature is 60 DEG C~70 DEG C and obtains the soft state semi-finished product copper strips.
Further, the step（12）Middle use finishing mill carries out finishing stands： 0.37mm-0.22mm-
0.153mm, mill speed 150-250m/min；0.37mm-0.2mm-0.126mm, mill speed 150-200m/min；
0.37mm-0.22mm-0.15mm-0.103mm, mill speed 150-180m/min.
Further, the step（13）Described in antitack agent use industrial alcohol, matter of the mass percent for 75%
Amount percentage is 15% SiO2 and the mixed solution of water；When smearing the antitack agent, the curling to the finished product copper strips
Tension force is 250~400N, and speed control is in 40~45m/min.
Further, the step（14）Middle annealing temperature is 350 DEG C~500 DEG C, and the heating-up time is 4h~6h,
Insulation 5h~8h, insulation cooling, tapping temperature is 60 DEG C~70 DEG C and obtains the soft state finished product copper strips.
Beneficial effect：There is good comprehensive mechanical property and higher simultaneously by the copper strips of technique productions of the invention
Tolerance grade, and excellent surface quality, meet performance requirement and required precision of the photovoltaic solar industry to copper strips, can
It is widely used in the manufacture of the interconnecting strip of photovoltaic solar device and convergent belt.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
Embodiment 1
A kind of manufacturing technology of copper strip for photovoltaic solar device, comprises the following steps：
（1）Horizontal casting：From high-quality Cu-CATH-1 as raw material, smelting successively, constituent analysis, insulation, cast operation,
Wherein the temperature of melting be 1180 DEG C~1220 DEG C, holding temperature be 1150 DEG C~1200 DEG C, copper：>=99.99%；Oxygen
≤ 0.0010%；Iron content：≤ 0.0040%；Phosphorus content：≤ 0.0010% strand；
（2）Hot rolling：Temperature is 800-900 DEG C, and the operation of rolling is 220mm-205mm-175mm-143mm-110mm -80mm-
35mm-28mm-23mm-15mm, finishing temperature >=580 DEG C, chilling temperature≤60 DEG C；
（3）Milling Process：Milling Process is carried out to upper and lower two surface on the slab thickness direction, the strand table is removed
Casting flaw layer on face；
（4）Roughing：The roughing cogging of multi-pass is carried out to the strand using roughing mill, copper strips blank is obtained；
（5）Trimming：The edge that its both sides has raw edges and opening is wiped out along the length direction of the copper strips blank；
（6）Annealing：Will be through step（5）The copper strips blank for obtaining is made annealing treatment, and soft state is obtained after annealing in system material copper
Band；
（7）Cleaning：To described cleaning by degreasing is carried out in system material copper strips；
（8）In roll：In system material copper strips rolled in multi-pass to described, obtain the less semi-finished product copper strips of thickness；
（9）Loose winding：To through the step（8）The semi-finished product copper strips for obtaining carries out loose winding treatment；
（10）Double annealing：The semi-finished product copper strips after to loose winding makes annealing treatment again, obtained after annealing soft state half into
Product copper strips；
（11）Secondary cleaning：To step（10）The described soft state semi-finished product copper strips for obtaining carries out cleaning by degreasing；
（12）Finish rolling：Described soft state semi-finished product copper strips after to cleaning carries out the finish rolling of multi-pass, and acquisition reaches finished product setting
The finished product copper strips of thickness；
（13）Smear antitack agent：The finished product copper strips after to finish rolling carries out cleaning by degreasing again, again in the finished product after cleaning
The upper and lower surface smear antitack agent of the thickness direction of copper strips；
（14）Three annealing：Made annealing treatment to being coated with the finished product copper strips after antitack agent, obtain soft state finished product copper strips.
As the further optimization of the present embodiment：
The step（4）Rough rolling process is the irreversible milling train of frame of four-roller two, 14mm-9.15mm-6.0mm, mill speed 30m/
Min, roll-force 4500kN；6.0mm-3.92mm-2.55mm, 180m/min, 3500~4000kN of roll-force；
2.55mm-1.68mm-1.1mm, 200m/min, 3500~3000kN of roll-force.
The step（6）In, annealing temperature is 400 DEG C~550 DEG C, and the heating-up time is 3h~6h, is incubated 4h~7h,
Cooled down after insulation, tapping temperature is 60 DEG C~70 DEG C and obtains the soft state in system material copper strips.
The step（8）It is middle use finishing mill rolled in carrying out process for：1.1mm-0.75mm-0.51mm-0.37mm, rolls
Speed 250-350m/min processed.
The step（10）Middle annealing temperature is 400 DEG C~550 DEG C, and the heating-up time is 3h~6h, is incubated 4h
~7h, cools down after insulation, and tapping temperature is 60 DEG C~70 DEG C and obtains the soft state semi-finished product copper strips.
The step（12）Middle use finishing mill carries out finishing stands：0.37mm-0.22mm-0.153mm, mill speed
150-250m/min ；0.37mm-0.2mm-0.126mm, mill speed 150-200m/min；0.37mm-0.22mm-
0.15mm-0.103mm, mill speed 150-180m/min.
The step（13）Described in antitack agent use mass percent for 75% industrial alcohol, mass percent be
15% SiO2 and the mixed solution of water；When smearing the antitack agent, the curl tension to the finished product copper strips is 250
~400N, speed control is in 40~45m/min.
The step（14）Middle annealing temperature is 350 DEG C~500 DEG C, and the heating-up time is 4h~6h, is incubated 5h
~8h, insulation cooling, tapping temperature is 60 DEG C~70 DEG C and obtains the soft state finished product copper strips.
There is good comprehensive mechanical property and tolerance grade higher simultaneously by the copper strips of technique productions of the invention,
And excellent surface quality, meeting performance requirement and required precision of the photovoltaic solar industry to copper strips, can widely answer
For in the manufacture of the interconnecting strip and convergent belt of photovoltaic solar device.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when making a little change or modification using the technology contents of the disclosure above
It is the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to technical spirit of the invention
Any simple modification, equivalent variations and the modification made to above example, still fall within the range of technical solution of the present invention.
Claims (8)
1. a kind of manufacturing technology of copper strip for photovoltaic solar device, it is characterised in that：Comprise the following steps：
（1）Horizontal casting：From high-quality Cu-CATH-1 as raw material, smelting successively, constituent analysis, insulation, cast operation,
Wherein the temperature of melting be 1180 DEG C~1220 DEG C, holding temperature be 1150 DEG C~1200 DEG C, copper：>=99.99%；Oxygen
≤ 0.0010%；Iron content：≤ 0.0040%；Phosphorus content：≤ 0.0010% strand；
（2）Hot rolling：Temperature is 800-900 DEG C, and the operation of rolling is 220mm-205mm-175mm-143mm-110mm -80mm-
35mm-28mm-23mm-15mm, finishing temperature >=580 DEG C, chilling temperature≤60 DEG C；
（3）Milling Process：Milling Process is carried out to upper and lower two surface on the slab thickness direction, the strand table is removed
Casting flaw layer on face；
（4）Roughing：The roughing cogging of multi-pass is carried out to the strand using roughing mill, copper strips blank is obtained；
（5）Trimming：The edge that its both sides has raw edges and opening is wiped out along the length direction of the copper strips blank；
（6）Annealing：Will be through step（5）The copper strips blank for obtaining is made annealing treatment, and soft state is obtained after annealing in system material copper
Band；
（7）Cleaning：To described cleaning by degreasing is carried out in system material copper strips；
（8）In roll：In system material copper strips rolled in multi-pass to described, obtain the less semi-finished product copper strips of thickness；
（9）Loose winding：To through the step（8）The semi-finished product copper strips for obtaining carries out loose winding treatment；
（10）Double annealing：The semi-finished product copper strips after to loose winding makes annealing treatment again, obtained after annealing soft state half into
Product copper strips；
（11）Secondary cleaning：To step（10）The described soft state semi-finished product copper strips for obtaining carries out cleaning by degreasing；
（12）Finish rolling：Described soft state semi-finished product copper strips after to cleaning carries out the finish rolling of multi-pass, and acquisition reaches finished product setting
The finished product copper strips of thickness；
（13）Smear antitack agent：The finished product copper strips after to finish rolling carries out cleaning by degreasing again, again in the finished product after cleaning
The upper and lower surface smear antitack agent of the thickness direction of copper strips；
（14）Three annealing：Made annealing treatment to being coated with the finished product copper strips after antitack agent, obtain soft state finished product copper strips.
2. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（4）Rough rolling process is the irreversible milling train of frame of four-roller two, 14mm-9.15mm-6.0mm, mill speed 30m/min, roll-force
4500kN ；6.0mm-3.92mm-2.55mm, 180m/min, 3500~4000kN of roll-force； 2.55mm-1.68mm-
1.1mm, 200m/min, 3500~3000kN of roll-force.
3. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（6）In, annealing temperature is 400 DEG C~550 DEG C, and the heating-up time is 3h~6h, is incubated 4h~7h, is cooled down after insulation, goes out furnace temperature
Spend for 60 DEG C~70 DEG C obtain the soft state in system material copper strips.
4. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（8）It is middle use finishing mill rolled in carrying out process for：1.1mm-0.75mm-0.51mm-0.37mm, mill speed 250-350m/
min 。
5. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（10）Middle annealing temperature is 400 DEG C~550 DEG C, and the heating-up time is 3h~6h, is incubated 4h~7h, is cooled down after insulation,
Tapping temperature is 60 DEG C~70 DEG C and obtains the soft state semi-finished product copper strips.
6. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（12）Middle use finishing mill carries out finishing stands：0.37mm-0.22mm-0.153mm, mill speed 150-250m/min；
0.37mm-0.2mm-0.126mm, mill speed 150-200m/min；0.37mm-0.22mm-0.15mm-0.103mm, rolling
Speed 150-180m/min.
7. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（13）Described in antitack agent use mass percent for 75% industrial alcohol, the SiO2 that mass percent is 15% and
The mixed solution of water；When smearing the antitack agent, the curl tension to the finished product copper strips is 250~400N, speed control
In 40~45m/min.
8. a kind of manufacturing technology of copper strip for photovoltaic solar device according to claim 1, it is characterised in that：The step
（14）Middle annealing temperature is 350 DEG C~500 DEG C, and the heating-up time is 4h~6h, is incubated 5h~8h, and insulation cooling goes out
Furnace temperature is 60 DEG C~70 DEG C and obtains the soft state finished product copper strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241898.7A CN106734319A (en) | 2016-12-29 | 2016-12-29 | A kind of manufacturing technology of copper strip for photovoltaic solar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241898.7A CN106734319A (en) | 2016-12-29 | 2016-12-29 | A kind of manufacturing technology of copper strip for photovoltaic solar device |
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| CN106734319A true CN106734319A (en) | 2017-05-31 |
Family
ID=58925546
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|---|---|---|---|
| CN201611241898.7A Pending CN106734319A (en) | 2016-12-29 | 2016-12-29 | A kind of manufacturing technology of copper strip for photovoltaic solar device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747231A (en) * | 2018-09-11 | 2018-11-06 | 安徽楚江科技新材料股份有限公司 | A kind of production technology of lug copper strips |
| CN111112332A (en) * | 2018-10-31 | 2020-05-08 | 中铝华中铜业有限公司 | Processing technology of rolled copper foil blank |
| CN113088653A (en) * | 2021-04-02 | 2021-07-09 | 安徽楚江科技新材料股份有限公司 | Production process of large-size automobile parts |
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| CN111112332A (en) * | 2018-10-31 | 2020-05-08 | 中铝华中铜业有限公司 | Processing technology of rolled copper foil blank |
| CN113088653A (en) * | 2021-04-02 | 2021-07-09 | 安徽楚江科技新材料股份有限公司 | Production process of large-size automobile parts |
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Application publication date: 20170531 |
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