CN101402167A - Manufacturing method of stainless steel band for flexible thin-film solar cell - Google Patents
Manufacturing method of stainless steel band for flexible thin-film solar cell Download PDFInfo
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- CN101402167A CN101402167A CNA2008101568420A CN200810156842A CN101402167A CN 101402167 A CN101402167 A CN 101402167A CN A2008101568420 A CNA2008101568420 A CN A2008101568420A CN 200810156842 A CN200810156842 A CN 200810156842A CN 101402167 A CN101402167 A CN 101402167A
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Abstract
The invention discloses a method for producing a stainless steel strip for a flexible film solar battery, in particular to a method for producing the stainless steel strip which is used as a bottom lining of the flexible film solar battery. The method sequentially comprises the following steps of stock preparation, primary rolling, primary annealing, primary cleaning, second rolling, second annealing, second cleaning, third rolling, third annealing, withdrawing-straightening and the like. The stainless strip rolled by the method has high strength and thin thickness, is easy to bend and can improve the whole performance of the solar battery.
Description
Technical field
The present invention relates to a kind of steel band production method.Specifically, be the manufacturing method of stainless steel band that is used as the flexible thin-film solar cell end liner.
Background technology
Know all that in the manufacture of solar cells industry flexible thin-film solar cell all is to adopt fiberglass or plastics as its backing material.Because there are defectives such as intensity is low, thickness is thicker, not flexible in fiberglass or plastics, can produce the restriction influence to the overall performance of solar cell.Improve the overall performance of solar cell, can adopt the corrosion resistant plate of thinner thickness.But up to now, corrosion resistant plate all is to adopt that traditional handicraft is rolling to form.Traditional handicraft wherein is mainly by rolling, steps such as annealing, once cleaning, reroll, double annealing, secondary cleaning, straightening once once, and the stainless steel band thickness that rolls out with this traditional handicraft is more than 0.08mm, and thickness is thicker.If the stainless steel band of this thickness is used as the backing material of flexible thin-film solar cell, still there are defectives such as thickness is thicker, not flexible, be difficult to change the object form of solar cell, be difficult to adapt to the installation requirement of various different occasions, restricted the raising of solar cell integrated performance.
Summary of the invention
The problem to be solved in the present invention is the defective that overcomes background technology, a kind of manufacturing method of stainless steel band for flexible thin-film solar cell is provided.The stainless steel band that adopts this method to roll out, intensity height, thin thickness, flexible can improve the overall performance of solar cell.
For addressing the above problem, take following scheme:
Manufacturing method of stainless steel band for flexible thin-film solar cell characteristics of the present invention are to may further comprise the steps successively:
(1) gets the raw materials ready
Select for use thickness to be the stainless steel band blank of 0.8～1.0mm, stand-by; Stainless steel band blank wherein is a 06Cr19Ni10 stainless steel band blank;
(2) once rolling
Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 150～350KN and 5～55KN, mill speed with 80～100m/ minute, the stainless steel band blank of 0.8～1.0mm is rolled into the semi-finished product stainless steel band that thickness is 0.15～0.20mm, and the thickness deviation of this semi-finished product stainless steel band is-0.008mm;
(3) once annealing
's 1050～1110 ℃ continous way spray hydrogen bright annealing furnace with above-mentioned semi-finished product stainless steel band with 9～14m/ minute linear velocity, by a temperature, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation; Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast;
(4) once clean
To be 60～80 ℃ continuous cleaning by degreasing unit with 60～90m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of once annealing, once clean;
(5) reroll
Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 100～300KN and 5～50KN, mill speed with 60～90m/ minute, it is the semi-finished product stainless steel band of 0.06～0.08mm that the semi-finished product rolling stainless steel band that 0.15～0.20mm is thick becomes thickness, and the thickness deviation of this semi-finished product stainless steel band is-0.005mm;
(6) double annealing
To be 1050～1120 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel band of reroll with 10～15m/ minute linear velocity, by a temperature, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation; Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast;
(7) secondary cleaning
To be 60～80 ℃ continuous cleaning by degreasing unit with 60～90m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of double annealing, carry out secondary cleaning;
(8) three times rolling
Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 50～200KN and 5～30KN, mill speed with 60～90m/ minute, will be through 0.06～0.08mm of secondary cleaning thick semi-finished product rolling stainless steel band to become thickness be the semi-finished product stainless steel band of 0.03mm, the thickness deviation of this semi-finished product stainless steel band is-0.003mm;
(9) three annealing
To be 1050～1120 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel of three cleanings with 10～17m/ minute linear velocity, by a temperature, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation; Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast;
(10) straightening
Use the accurate stretch bending-straightening machine of 23 rollers, the semi-finished product stainless steel band through stress relief annealing is aligned, the unevenness that makes the semi-finished product stainless steel band obtains stainless steel band for flexible thin-film solar cell less than 0.3mm.
Take above scheme, have the following advantages:
Because manufacturing method of stainless steel band for flexible thin-film solar cell of the present invention is rolling by once rolling, once annealing, once cleaning, reroll, double annealing, secondary cleaning, three times, anneal for three times and step such as straightening, compare with the method in the background technology, increased by three rolling and three annealing, make the corrosion resistant plate thinner thickness roll out, have only 0.03mm.And the thickness one of corrosion resistant plate is thin, and is just crooked easily.In addition, stainless steel band itself is because material just has the higher characteristics of intensity.Therefore, stainless steel band with manufacturing method of stainless steel band for flexible thin-film solar cell production of the present invention, intensity height, thin thickness, flexible, adopt the backing material of this stainless steel band as flexible thin-film solar cell, can change the object form of solar cell, the installation requirement that adapts to various different occasions, thus the overall performance of solar cell improved greatly.
The specific embodiment
Embodiment one
Select for use thickness to be the stainless steel band blank of 0.8mm, stand-by.Stainless steel band blank wherein is a 06Cr19Ni10 stainless steel band blank.
Afterwards, carry out once rolling.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 150KN and 5KN, with 80m/ minute mill speed, the stainless steel band blank of 0.8mm is rolled into the semi-finished product stainless steel band that thickness is 0.15mm, the thickness deviation of this semi-finished product stainless steel band is-0.008mm.
Afterwards, once anneal.With above-mentioned semi-finished product stainless steel band with 9m/ minute linear velocity, by a temperature be 1050～℃ continous way spray hydrogen bright annealing furnace, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, to the spray of the semi-finished product stainless steel band after coming out of the stove hydrogen, cool off fast.
Afterwards, once clean.To be 60 ℃ continuous cleaning by degreasing unit with 60m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of once annealing, once clean.
Afterwards, carry out reroll.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 100KN and 5KN, with 60m/ minute mill speed, it was the semi-finished product stainless steel band of 0.06mm that the semi-finished product rolling stainless steel band that 0.15mm is thick becomes thickness, and the thickness deviation of this semi-finished product stainless steel band is-0.005mm.
Afterwards, carry out double annealing.To be 1050 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel band of reroll with 10m/ minute linear velocity, by a temperature; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, to the spray of the semi-finished product stainless steel band after coming out of the stove hydrogen, cool off fast.
Afterwards, carry out secondary cleaning.To be 60 ℃ continuous cleaning by degreasing unit with 60m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of double annealing, carry out secondary cleaning.
Afterwards, carry out three times rolling.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 50KN and 5KN, mill speed with 60m/ minute, will be through the 0.06mm of secondary cleaning thick semi-finished product rolling stainless steel band to become thickness be the semi-finished product stainless steel band of 0.03mm, the thickness deviation of this semi-finished product stainless steel band is-0.003mm.
Again, carry out three annealing.To be 1050 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel of three cleanings with 10m/ minute linear velocity, by a temperature; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast.
At last, carry out straightening.Use the accurate stretch bending-straightening machine of 23 rollers, the semi-finished product stainless steel band through stress relief annealing is aligned, the unevenness that makes the semi-finished product stainless steel band obtains stainless steel band for flexible thin-film solar cell less than 0.3mm.
Described protective gas is a hydrogen.
Embodiment two
Select for use thickness to be the stainless steel band blank of 0.9mm, stand-by.Stainless steel band blank wherein is a 06Cr19Ni10 stainless steel band blank.
Afterwards, carry out once rolling.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 250KN and 30KN, with 90m/ minute mill speed, the stainless steel band blank of 0.9mm is rolled into the semi-finished product stainless steel band that thickness is 0.18mm, the thickness deviation of this semi-finished product stainless steel band is-0.008mm.
Afterwards, once anneal.With above-mentioned semi-finished product stainless steel band with 12m/ minute linear velocity, by a temperature be 1080～℃ continous way spray hydrogen bright annealing furnace; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, to the spray of the semi-finished product stainless steel band after coming out of the stove hydrogen, cool off fast.
Afterwards, once clean.To be 70 ℃ continuous cleaning by degreasing unit with 75m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of once annealing, once clean.
Afterwards, carry out reroll.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 200KN and 30KN, with 75m/ minute mill speed, it was the semi-finished product stainless steel band of 0.07mm that the semi-finished product rolling stainless steel band that 0.18mm is thick becomes thickness, and the thickness deviation of this semi-finished product stainless steel band is-0.005mm.
Afterwards, carry out double annealing.To be 1085 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel band of reroll with 13m/ minute linear velocity, by a temperature; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, to the spray of the semi-finished product stainless steel band after coming out of the stove hydrogen, cool off fast.
Afterwards, carry out secondary cleaning.To be 70 ℃ continuous cleaning by degreasing unit with 75m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of double annealing, carry out secondary cleaning.
Afterwards, carry out three times rolling.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 125KN and 18KN, mill speed with 75m/ minute, will be through the 0.07mm of secondary cleaning thick semi-finished product rolling stainless steel band to become thickness be the semi-finished product stainless steel band of 0.03mm, the thickness deviation of this semi-finished product stainless steel band is-0.003mm.
Again, carry out three annealing.To be 1085 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel of three cleanings with 13m/ minute linear velocity, by a temperature; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast.
At last, carry out straightening.Use the accurate stretch bending-straightening machine of 23 rollers, the semi-finished product stainless steel band through stress relief annealing is aligned, the unevenness that makes the semi-finished product stainless steel band obtains stainless steel band for flexible thin-film solar cell less than 0.3mm.
Described protective gas is a hydrogen.
Embodiment three
Select for use thickness to be the stainless steel band blank of 1.0mm, stand-by.Stainless steel band blank wherein is a 06Cr19Ni10 stainless steel band blank.
Afterwards, carry out once rolling.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 350KN and 55KN, with 100m/ minute mill speed, the stainless steel band blank of 1.0mm is rolled into the semi-finished product stainless steel band that thickness is 0.20mm, the thickness deviation of this semi-finished product stainless steel band is-0.008mm.
Afterwards, once anneal.With above-mentioned semi-finished product stainless steel band with 14m/ minute linear velocity, by a temperature be 1110～℃ continous way spray hydrogen bright annealing furnace; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, to the spray of the semi-finished product stainless steel band after coming out of the stove hydrogen, cool off fast.
Afterwards, once clean.To be 80 ℃ continuous cleaning by degreasing unit with 90m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of once annealing, once clean.
Afterwards, carry out reroll.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 300KN and 50KN, with 90m/ minute mill speed, it was the semi-finished product stainless steel band of 0.08mm that the semi-finished product rolling stainless steel band that 0.20mm is thick becomes thickness, and the thickness deviation of this semi-finished product stainless steel band is-0.005mm.
Afterwards, carry out double annealing.To be 1120 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel band of reroll with 15m/ minute linear velocity, by a temperature; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, to the spray of the semi-finished product stainless steel band after coming out of the stove hydrogen, cool off fast.
Afterwards, carry out secondary cleaning.To be 80 ℃ continuous cleaning by degreasing unit with 90m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of double annealing, carry out secondary cleaning.
Afterwards, carry out three times rolling.Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 200KN and 30KN, mill speed with 90m/ minute, will be through the 0.08mm of secondary cleaning thick semi-finished product rolling stainless steel band to become thickness be the semi-finished product stainless steel band of 0.03mm, the thickness deviation of this semi-finished product stainless steel band is-0.003mm.
Again, carry out three annealing.To be 1120 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel of three cleanings with 17m/ minute linear velocity, by a temperature; and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation.Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast.
At last, carry out straightening.Use the accurate stretch bending-straightening machine of 23 rollers, the semi-finished product stainless steel band through stress relief annealing is aligned, the unevenness that makes the semi-finished product stainless steel band obtains stainless steel band for flexible thin-film solar cell less than 0.3mm.
Described protective gas is a hydrogen.
Claims (2)
1. manufacturing method of stainless steel band for flexible thin-film solar cell is characterized in that may further comprise the steps successively:
(1) gets the raw materials ready
Select for use thickness to be the stainless steel band blank of 0.8～1.0mm, stand-by; Stainless steel band blank wherein is a 06Cr19Ni10 stainless steel band blank;
(2) once rolling
Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 150～350KN and 5～55KN, mill speed with 80～100m/ minute, the stainless steel band blank of 0.8～1.0mm is rolled into the semi-finished product stainless steel band that thickness is 0.15～0.20mm, and the thickness deviation of this semi-finished product stainless steel band is-0.008mm;
(3) once annealing
's 1050～1110 ℃ continous way spray hydrogen bright annealing furnace with above-mentioned semi-finished product stainless steel band with 9～14m/ minute linear velocity, by a temperature, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation; Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast;
(4) once clean
To be 60～80 ℃ continuous cleaning by degreasing unit with 60～90m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of once annealing, once clean;
(5) reroll
Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 100～300KN and 5～50KN, mill speed with 60～90m/ minute, it is the semi-finished product stainless steel band of 0.06～0.08mm that the semi-finished product rolling stainless steel band that 0.15～0.20mm is thick becomes thickness, and the thickness deviation of this semi-finished product stainless steel band is-0.005mm;
(6) double annealing
To be 1050～1120 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel band of reroll with 10～15m/ minute linear velocity, by a temperature, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation; Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast;
(7) secondary cleaning
To be 60～80 ℃ continuous cleaning by degreasing unit with 60～90m/ minute linear velocity, by temperature through the semi-finished product stainless steel band of double annealing, carry out secondary cleaning;
(8) three times rolling
Use 14 roller precise cold milling train groups, under the rolling tensile force of the roll-force of 50～200KN and 5～30KN, mill speed with 60～90m/ minute, will be through 0.06～0.08mm of secondary cleaning thick semi-finished product rolling stainless steel band to become thickness be the semi-finished product stainless steel band of 0.03mm, the thickness deviation of this semi-finished product stainless steel band is-0.003mm;
(9) three annealing
To be 1050～1120 ℃ continous way spray hydrogen bright annealing furnace through the semi-finished product stainless steel of three cleanings with 10～17m/ minute linear velocity, by a temperature, and the semi-finished product stainless steel band in the annealing furnace filled protective gas, guarantee semi-finished product stainless steel band surface light, non-oxidation; Then, the semi-finished product stainless steel band after coming out of the stove is cooled off fast;
(10) straightening
Use the accurate stretch bending-straightening machine of 23 rollers, the semi-finished product stainless steel band through stress relief annealing is aligned, the unevenness that makes the semi-finished product stainless steel band obtains stainless steel band for flexible thin-film solar cell less than 0.3mm.
2. the production method of stainless steel band for flexible thin-film solar cell according to claim 1 is characterized in that described protective gas is a hydrogen.
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| CNA2008101568420A CN101402167A (en) | 2008-09-27 | 2008-09-27 | Manufacturing method of stainless steel band for flexible thin-film solar cell |
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| CNA2008101568420A CN101402167A (en) | 2008-09-27 | 2008-09-27 | Manufacturing method of stainless steel band for flexible thin-film solar cell |
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| CN101817017A (en) * | 2010-03-25 | 2010-09-01 | 江苏呈飞精密合金股份有限公司 | Precision forming method of ultrathin stainless steel substrate for flexible product, obtained substrate and application thereof |
| CN101961740A (en) * | 2010-09-30 | 2011-02-02 | 赵新林 | Stretch bending and straightening equipment for strips for nickel-metal hydride battery negative substrates |
| CN102974611A (en) * | 2012-11-28 | 2013-03-20 | 上海实达精密不锈钢有限公司 | Method for forming stainless steel precision steel strip of flexible solar cell substrate |
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| CN101817017B (en) * | 2010-03-25 | 2012-02-15 | 江苏呈飞精密合金股份有限公司 | Precision forming method of ultrathin stainless steel substrate for flexible product, obtained substrate and application thereof |
| CN101961740A (en) * | 2010-09-30 | 2011-02-02 | 赵新林 | Stretch bending and straightening equipment for strips for nickel-metal hydride battery negative substrates |
| CN104334752B (en) * | 2012-05-23 | 2016-11-09 | 杰富意钢铁株式会社 | Stainless steel foil solar cell substrate material and manufacture method thereof |
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| CN102974611A (en) * | 2012-11-28 | 2013-03-20 | 上海实达精密不锈钢有限公司 | Method for forming stainless steel precision steel strip of flexible solar cell substrate |
| CN102974611B (en) * | 2012-11-28 | 2015-07-08 | 上海实达精密不锈钢有限公司 | Method for forming stainless steel precision steel strip of flexible solar cell substrate |
| CN103255421A (en) * | 2013-05-18 | 2013-08-21 | 无锡华生精密材料股份有限公司 | Production method of high elasticity stainless steel belt for touch switch |
| CN103255421B (en) * | 2013-05-18 | 2015-08-19 | 无锡华生精密材料股份有限公司 | Touch-switch snappiness manufacturing method of stainless steel band |
| CN103667654A (en) * | 2013-11-30 | 2014-03-26 | 无锡宝顺不锈钢有限公司 | Production method of stainless steel belt for flexible film solar battery |
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| CN103667652B (en) * | 2013-11-30 | 2016-01-06 | 无锡宝顺不锈钢有限公司 | The production method of electric thin Stainless Steel Band |
| CN103866103B (en) * | 2014-03-24 | 2015-11-04 | 无锡宝顺不锈钢有限公司 | The production method of 3G mobile battery case Stainless Steel Band |
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| CN104043649A (en) * | 2014-06-13 | 2014-09-17 | 无锡华生精密材料股份有限公司 | Production method of low-magnetic-flux stainless steel band |
| CN107058707A (en) * | 2017-04-11 | 2017-08-18 | 无锡华生精密材料股份有限公司 | A kind of production method of bright titaniferous stainless steel band |
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| CN108396126A (en) * | 2018-02-01 | 2018-08-14 | 南京理工大学 | The soft state stainless steel band production method of ultra-thin accurate |
| CN110788138A (en) * | 2019-11-11 | 2020-02-14 | 山东能源重装集团乾元不锈钢制造有限公司 | Cold rolling production method of ultrathin stainless steel strip |
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