CN102154605A - Production process of tin-coated alloy band for solar cell - Google Patents
Production process of tin-coated alloy band for solar cell Download PDFInfo
- Publication number
- CN102154605A CN102154605A CN 201010109394 CN201010109394A CN102154605A CN 102154605 A CN102154605 A CN 102154605A CN 201010109394 CN201010109394 CN 201010109394 CN 201010109394 A CN201010109394 A CN 201010109394A CN 102154605 A CN102154605 A CN 102154605A
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- Prior art keywords
- tin
- coated
- controlled
- air
- copper strips
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000956 alloy Substances 0.000 title abstract 3
- 229910045601 alloy Inorganic materials 0.000 title abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052802 copper Inorganic materials 0.000 claims abstract description 55
- 239000010949 copper Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 23
- 230000008569 process Effects 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 230000003028 elevating effect Effects 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Coating With Molten Metal (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a production process of a tin-coated alloy band for a solar cell, which is performed by using a set of tin coating device. The tin coating device comprises a tin furnace, a copper band discharging mechanism, a copper band guiding mechanism, a copper band elevating and collecting mechanism and an air knife system. Various process parameters of the production process are that: the temperature of the tin furnace is controlled at 245-290 DEG C, the copper band elevating speed is controlled at 80-150 meters/minute, the air pressure of an air knife is controlled at 0.05-0.1 Mpa, the distance of between two air knives and a copper band is controlled at 20-40 millimeters respectively, the two air knives incline downwards relative to the copper band respectively, and the inclination angle is controlled between 0 degree and 10 degrees and over 0 degree. Due to the adoption of the production process of the tin-coated alloy band for the solar cell, disclosed by the invention, high controllability is achieved for the thickness of a tin-coated layer; the process is simple, and is convenient to operate; the surface appearance of the tin-coated layer is good; and the production efficiency is 20 times higher than that of the prior art.
Description
Technical field
The present invention relates to solar cell, relate in particular to the production technique of the tin alloy-coated band of a kind of used for solar batteries.
Background technology
The tin alloy-coated band of used for solar batteries is to produce by the surface-coated one deck tin at copper strips.The present mode of production mainly is to adopt common hot dip process to be coated with tin.
The thickness that copper strip surface is coated with the tin layer is subjected to the influence of copper strips adsorption effect in lifting process, with tin liquor the pulling speed of the wetting property of copper strips, the viscosity that is coated with tin liquor, copper strips is had direct relation.The viscosity that wherein is coated with tin liquor is again the function that is coated with the tin liquor temperature, by Hydrodynamics Theory as can be known:
In the formula, A is a constant, E
μBe viscosity activation energy, R is a gas law constant, and T is an absolute temperature.
Copper strips will be handled through sufficient soldering flux before hot dipped tinning, and therefore under the hot dipped tinning situation, tin liquor and copper strips soak into fully, and pulling speed belongs to the delay scope in this process, so can think that the copper strip surface state is little to the influence of velocity distribution.Therefore, the surface is coated with the function that the thickness of tin layer is pulling speed and tin liquor temperature.
Under the support of above-mentioned theory, now mostly be without other special aftertreatments, adopt by control copper strips process the tin furnace temperature with and pulling speed directly control the thickness that copper strip surface is coated with the tin layer.Therefore, this has also just limited the production efficiency of the tin alloy-coated band of used for solar batteries.Present domestic photovoltaic industry has reached 5000 tons to the annual requirement of the tin alloy-coated band of used for solar batteries, and when adopting above-mentioned technology, the speed of the tin alloy-coated band of used for solar batteries can only reach 4 meters/minute～8 meters/minute, influence the raising of production line output greatly, can not satisfy the demand of modern photovoltaic industry far away.
Summary of the invention
Purpose of the present invention exactly in order to address the above problem, provides a kind of production technique of the tin alloy-coated band of used for solar batteries that can enhance productivity greatly.
In order to achieve the above object, the present invention has adopted following technical scheme: the production technique of the tin alloy-coated band of a kind of used for solar batteries, being coated with the tin device by a cover carries out, this is coated with the tin device and comprises the tin stove, the copper strips discharge mechanism, copper tape guide mechanism and copper strips promote receiving mechanism, be characterized in, the described tin device that is coated with also comprises the air knife system, this air knife system comprises two air knives, pressurized gas transfer line and pressure regulator valve, two air knives are oppositely arranged on the both sides of the copper strips that upwards promotes and air knife mouth towards copper strips, the pressurized gas transfer line is communicated with respectively with two air knives, and pressure regulator valve is installed on the pressurized gas pipeline.
Every processing parameter of the production technique of the tin alloy-coated band of described used for solar batteries is: the temperature of tin stove is controlled at 245～290 ℃, the copper strips pulling speed is controlled at 80～150 meters/minute, air knife air pressure is controlled at 0.05～0.1Mpa, the spacing of two air knives and copper strips is controlled at 20-40mm respectively, two air knives are downward-sloping with respect to copper strips respectively, and the angle of inclination is controlled at 0～10 degree but spends greater than 0.
Totally two of described pressure regulator valves are installed in respectively on the pressurized gas transfer line that closes on two air knives.
Described air knife system also comprises two weather gages, and two weather gages are installed in respectively on the pressurized gas transfer line that closes on two air knives.
The production technique of the tin alloy-coated band of used for solar batteries of the present invention compared with prior art has following advantage and characteristics:
One, it is good to be coated with the tin thickness controllability:
Can regulate the gaseous tension of two air knives outlets by two pressure regulator valves respectively, being coated with tin thickness can increase with gaseous tension and reduce, and reduces and increases with gaseous tension, and control is coated with the thickness of tin layer flexibly;
Two, production efficiency improves:
Prior art mainly is to come control surface to be coated with the thickness of tin layer by control copper strips pulling speed and tin liquor temperature from tin liquor, and under the fixed temperature, the copper strips pulling speed can only be controlled at 4 meters/minute～8 meters/minute; And after adopting technology of the present invention, under same temperature, the copper strips pulling speed can be brought up to 150 meters/minute, by the control blast, realizes that control surface is coated with the thickness of tin layer.So just improve production efficiency greatly, also be easy to realize the big production of mass-producing, adapted to the demand of photovoltaic industry instantly.
Three, technology is easy, is convenient to operation:
Operator only need set atmospheric pressure value according to the corresponding tin alloy-coated band specification of processing condition, and add tin material, collecting shaft in equipment running process.Therefore this technological operation is very easy, is easy to extensively promote the use of.
Four, it is good to be coated with tin laminar surface outward appearance:
The surface detail of the tin alloy-coated band that comes out by the explained hereafter of prior art is less, not intensive; The tin alloy-coated belt surface decorative pattern that adopts explained hereafter of the present invention to come out is intensive, helps being welded to connect of solar battery sheet.
Description of drawings
Fig. 1 is the structural representation that is coated with the tin device that the production technique of the tin alloy-coated band of used for solar batteries of the present invention adopts.
Embodiment
The production technique of the tin alloy-coated band of used for solar batteries of the present invention, being coated with the tin device by a cover carries out, this basic structure that is coated with the tin device as shown in Figure 1, comprise that tin stove 1, copper strips discharge mechanism 2, copper tape guide mechanism 3, copper strips promote receiving mechanism 4 and air knife system, this air knife system comprises two air knives 5, pressurized gas transfer line 6, pressure regulator valve 7 and weather gage 8.Two air knives are oppositely arranged on the both sides of the copper strips that upwards promotes and air knife mouth towards copper strips 9, and the pressurized gas transfer line is communicated with respectively with two air knives, and pressure regulator valve is installed on the pressurized gas pipeline.Totally two of pressure regulator valves 7 are installed in respectively on the pressurized gas transfer line 6 that closes on two air knives.Totally two of weather gages 8 are installed in respectively on the pressurized gas transfer line 6 that closes on two air knives.It is by electric machine control traction copper strips that copper strips promotes receiving mechanism 4, thereby reaches the purpose of control copper strips pulling speed.
Every processing parameter of the production technique of the tin alloy-coated band of used for solar batteries of the present invention is: the temperature of tin stove is controlled at 245～290 ℃, the copper strips pulling speed is controlled at 80～150 meters/minute, air knife air pressure is controlled at 0.05～0.1Mpa, the spacing of two air knives and copper strips is controlled at 20-40mm respectively, two air knives are downward-sloping with respect to copper strips respectively, and the angle of inclination is controlled at 0～10 degree but spends greater than 0.
Two air knives 5 among the present invention can be preferably that copper strips 9 two sides are unnecessary tin remove; Pressure regulator valve 7 is used to regulate the size of the air pressure that is sent to air knife; Weather gage 8 is used for monitoring in real time the size of air pressure, cooperates with pressure regulator valve, realizes the control to air pressure.
Employed source of the gas can be selected different gas according to the practice demand among the present invention, as air or nitrogen.
On the pressurized gas transfer line, also be provided with the desiccant dehumidification machine, be used for removing effectively the steam of gas, guarantee to be sent to the gaseous mass of air knife, help improving the quality that is coated with the tin layer.
In the hot tinning process because the effect of adsorption effect, when copper strips when in the tin stove, promoting at a high speed, the tin liquor that sticks to copper strip surface is far away more than the required amount of tin layer that be coated with of tin alloy-coated band.When it passed through air knife, pressurized gas formed the air-flow as cutter by the slit of air knife, " scrapes " with certain speed and opens the tin liquor that is bonded at copper strip surface.Gas with certain pressure produces downward pressure to the tin liquor that " being scraped " opens simultaneously, and itself and copper strips are peeled off, and flows back to the tin stove.The air-flow that blows to copper strip surface vertically is being a successive laterally being uniformly, when air pressure certain, copper strips pulling speed one regularly, the tin layer of then staying copper strip surface also is uniform.By pilot-gas pressure and pulling speed, can control the thickness that is coated with the tin layer effectively.Be coated with the tin copper strips and beginning to cool down, and dish is gone into the rewinding dish in the copper strips lifting receiving mechanism through behind the air knife.This technology is applied in the production of the tin alloy-coated band of used for solar batteries, has accelerated the efficient of producing greatly.
Claims (4)
1. the production technique of the tin alloy-coated band of used for solar batteries, being coated with the tin device by a cover carries out, this is coated with the tin device and comprises that tin stove, copper strips discharge mechanism, copper tape guide mechanism and copper strips promote receiving mechanism, it is characterized in that: the described tin device that is coated with also comprises the air knife system, this air knife system comprises two air knives, pressurized gas transfer line and pressure regulator valve, two air knives are oppositely arranged on the both sides of the copper strips that upwards promotes and air knife mouth towards copper strips, the pressurized gas transfer line is communicated with respectively with two air knives, and pressure regulator valve is installed on the pressurized gas pipeline.
2. the production technique of the tin alloy-coated band of used for solar batteries as claimed in claim 1, it is characterized in that: every processing parameter of the production technique of the tin alloy-coated band of described used for solar batteries is: the temperature of tin stove is controlled at 245～290 ℃, the copper strips pulling speed is controlled at 80～150 meters/minute, air knife air pressure is controlled at 0.05～0.1Mpa, the spacing of two air knives and copper strips is controlled at 20-40mm respectively, two air knives are downward-sloping with respect to copper strips respectively, and the angle of inclination is controlled at 0～10 degree but spends greater than 0.
3. the production technique of the tin alloy-coated band of used for solar batteries as claimed in claim 1 is characterized in that: totally two of described pressure regulator valves are installed in respectively on the pressurized gas transfer line that closes on two air knives.
4. the production technique of the tin alloy-coated band of used for solar batteries as claimed in claim 1 is characterized in that: described air knife system also comprises two weather gages, and two weather gages are installed in respectively on the pressurized gas transfer line that closes on two air knives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010109394 CN102154605A (en) | 2010-02-11 | 2010-02-11 | Production process of tin-coated alloy band for solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010109394 CN102154605A (en) | 2010-02-11 | 2010-02-11 | Production process of tin-coated alloy band for solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102154605A true CN102154605A (en) | 2011-08-17 |
Family
ID=44436272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010109394 Pending CN102154605A (en) | 2010-02-11 | 2010-02-11 | Production process of tin-coated alloy band for solar cell |
Country Status (1)
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| CN (1) | CN102154605A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505103A (en) * | 2011-11-03 | 2012-06-20 | 江苏太阳光伏科技有限公司 | Fast tin coating machine capable of simultaneously producing plurality of tin coating solder strips |
| CN106148872A (en) * | 2015-04-12 | 2016-11-23 | 江苏太阳光伏科技有限公司 | A kind of solar energy solder strip tinning processing unit (plant) |
| CN106319419A (en) * | 2015-06-29 | 2017-01-11 | 江苏太阳光伏科技有限公司 | Solar solder strip tin coating machining device |
| CN107587095A (en) * | 2017-10-13 | 2018-01-16 | 凯美龙精密铜板带（河南）有限公司 | A kind of environmentally friendly copper and copper alloy plate strip surface hot-dip tinning method |
| CN110919230A (en) * | 2018-12-17 | 2020-03-27 | 宁波森联光电科技有限公司 | Solder strip manufacturing apparatus and method of manufacturing solder strip |
| CN111334737A (en) * | 2020-04-13 | 2020-06-26 | 西安泰力松新材料股份有限公司 | Photovoltaic solder strip tin plating system and tin plating method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330574A (en) * | 1979-04-16 | 1982-05-18 | Armco Inc. | Finishing method for conventional hot dip coating of a ferrous base metal strip with a molten coating metal |
| CN1290768A (en) * | 1999-06-24 | 2001-04-11 | 川崎制铁株式会社 | Method for producing hot dipping metal band |
-
2010
- 2010-02-11 CN CN 201010109394 patent/CN102154605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330574A (en) * | 1979-04-16 | 1982-05-18 | Armco Inc. | Finishing method for conventional hot dip coating of a ferrous base metal strip with a molten coating metal |
| US4330574B1 (en) * | 1979-04-16 | 1988-05-31 | ||
| CN1290768A (en) * | 1999-06-24 | 2001-04-11 | 川崎制铁株式会社 | Method for producing hot dipping metal band |
Non-Patent Citations (1)
| Title |
|---|
| 《功能材料》 19970228 刘雅洲等 太阳能电池用涂锡合金带的研制 104-105 1-4 第28卷, 第1期 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505103A (en) * | 2011-11-03 | 2012-06-20 | 江苏太阳光伏科技有限公司 | Fast tin coating machine capable of simultaneously producing plurality of tin coating solder strips |
| CN106148872A (en) * | 2015-04-12 | 2016-11-23 | 江苏太阳光伏科技有限公司 | A kind of solar energy solder strip tinning processing unit (plant) |
| CN106319419A (en) * | 2015-06-29 | 2017-01-11 | 江苏太阳光伏科技有限公司 | Solar solder strip tin coating machining device |
| CN107587095A (en) * | 2017-10-13 | 2018-01-16 | 凯美龙精密铜板带（河南）有限公司 | A kind of environmentally friendly copper and copper alloy plate strip surface hot-dip tinning method |
| CN107587095B (en) * | 2017-10-13 | 2019-07-09 | 凯美龙精密铜板带（河南）有限公司 | A kind of environmental protection copper and copper alloy plate strip surface hot-dip tinning method |
| CN110919230A (en) * | 2018-12-17 | 2020-03-27 | 宁波森联光电科技有限公司 | Solder strip manufacturing apparatus and method of manufacturing solder strip |
| CN111334737A (en) * | 2020-04-13 | 2020-06-26 | 西安泰力松新材料股份有限公司 | Photovoltaic solder strip tin plating system and tin plating method |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20110817 |