CN116487475A - Separating device for separating photovoltaic modules by using hot air knife and separating method thereof - Google Patents
Separating device for separating photovoltaic modules by using hot air knife and separating method thereof Download PDFInfo
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- CN116487475A CN116487475A CN202310384241.XA CN202310384241A CN116487475A CN 116487475 A CN116487475 A CN 116487475A CN 202310384241 A CN202310384241 A CN 202310384241A CN 116487475 A CN116487475 A CN 116487475A
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- hot air
- separating
- air knife
- photovoltaic module
- arm
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000002313 adhesive film Substances 0.000 claims description 15
- 239000005341 toughened glass Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 241000252254 Catostomidae Species 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 10
- 230000011218 segmentation Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the field of photovoltaic module recovery, in particular to a separating device for separating a photovoltaic module by using a hot air knife and a separating method thereof. Including the arm, be provided with grabbing mechanism on the arm, grabbing mechanism is used for grabbing photovoltaic module, moves photovoltaic module to the corresponding position on the support table through the arm. A supporting table is arranged beside the mechanical arm, and a hot air knife is arranged on the supporting table. The photovoltaic module can be separated by starting the hot air knife. The device simple structure, be convenient for later maintenance and maintenance cost are low. The photovoltaic panel segmentation process program is simple, does not need excessive operations, improves the segmentation efficiency of the photovoltaic panel, and has no pollution caused by wastewater reagents in the segmentation process of the photovoltaic panel, and the recovery process is environment-friendly.
Description
Technical Field
The invention relates to the field of photovoltaic module recovery, in particular to a separating device for separating a photovoltaic module by using a hot air knife and a separating method thereof.
Background
The service life of the photovoltaic module is 20-25 years, the early photovoltaic module has shorter service life due to the problems of production technology and the like, the first photovoltaic module is retired about 2025, and the photovoltaic module of 150 ten thousand tons is expected to be recovered in China in 2030.
The recovery of the photovoltaic module requires firstly the operations of removing aluminum frames and junction boxes of the photovoltaic module, and then the subsequent composite laminated structure is separated. Two main methods exist for separation, one is to separate the photovoltaic module by using a crushing method, and the treatment efficiency is high, but only the crushed raw materials need to be separated subsequently; another is to use chemical reagents for etching to recover the complete assembly, but this process takes a long time, and still requires three to five days to come out of a piece of assembly with the assistance of ultrasonic waves, and the treatment of the resulting wastewater causes new problems.
In the existing treatment method, a photovoltaic panel is treated by a hot knife method, and the photovoltaic panel is separated by heating metal wires and then cutting an EVA adhesive film, so that the method has the advantages that the effect of separating the photovoltaic panel is achieved by fully utilizing the property that the EVA adhesive film is easy to decompose when heated, but the photovoltaic panel has a common width of about 990mm, the thickness of the EVA adhesive film is only 280-320 mu m, the strength of the long metal wires after being heated is ensured under the condition of a small diameter, the requirement on the metal wires is extremely high, the extremely high production and maintenance cost is required, and the processing site and the like are also extremely high.
Disclosure of Invention
The invention aims to overcome the defects and provide the separating device for separating the photovoltaic module by using the hot air knife and the separating method thereof.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an utilize hot-blast sword separation photovoltaic module's separator, includes the arm, is provided with grabbing mechanism on the arm, and the arm next door is provided with the supporting table, is provided with hot-blast sword on the supporting table.
The support table is provided with a photovoltaic module placing table and a hot air knife fixing seat.
The supporting table top is in a step shape, and the photovoltaic module placing table top is higher than the hot air knife fixing seat top.
The hot air knife comprises a shell, an air inlet and an air outlet are formed in the shell, and a heating rod is arranged in the shell.
The grabbing mechanism comprises a fixing frame, and a plurality of suckers are arranged on the fixing frame.
The fixing frame is fixedly arranged on the mechanical arm.
The mechanical arm comprises a base, a first arm rod is movably arranged on the base, a second arm rod is movably arranged on the first arm rod, and a connecting part for fixing the grabbing mechanism is movably arranged on the second arm rod.
A power device for driving the mechanical arm is arranged in the base.
The separation method of the separation device for separating the photovoltaic module by using the hot air knife comprises the following steps:
s1, removing an aluminum frame and a junction box of a photovoltaic panel;
s2, the mechanical arm grabs the photovoltaic panel through the grabbing mechanism, and moves the photovoltaic panel to the supporting table;
s3, starting a hot air knife, and melting and cutting the first EVA adhesive film by hot air sprayed by the hot air knife until the toughened glass is separated from the silicon-based battery piece, wherein the mechanical arm takes out the toughened glass through a grabbing mechanism.
And S2, when the mechanical arm moves the photovoltaic panel to the supporting table, the first EVA adhesive film is aligned with the air outlet of the hot air knife.
Compared with the prior art, the invention has the following beneficial effects:
the photovoltaic module grabbing device comprises a mechanical arm, wherein a grabbing mechanism is arranged on the mechanical arm and used for grabbing the photovoltaic module. A supporting table is arranged beside the mechanical arm, and a hot air knife is arranged on the supporting table. The photovoltaic module is moved to the corresponding position on the supporting table through the mechanical arm, and the hot air knife is started to divide and separate the photovoltaic module. The device simple structure, be convenient for operation and later maintenance and maintenance cost are low.
Further, a photovoltaic module placing table and a hot air knife fixing seat are arranged on the supporting table, the supporting table top is in a step shape, and the surface of the photovoltaic module placing table is higher than that of the hot air knife fixing seat. The photovoltaic module is placed on the photovoltaic module placing table through the mechanical arm, and the hot air knife is placed on the hot air knife fixing seat, so that the segmentation procedure can be started, and the follow-up operation is convenient.
Further, snatch the mechanism and include the mount, be provided with a plurality of sucking discs on the mount. Firmly adsorb the glass layer on the photovoltaic module through the sucking disc, first prevent that EVA18 glued membrane from melting back glass layer break away from and break into pieces.
The method of the invention comprises the following steps: removing the aluminum frame and the junction box of the photovoltaic panel; the mechanical arm grabs the photovoltaic panel through the grabbing mechanism, and moves the photovoltaic panel to the supporting table; starting a hot air knife, and melting and cutting the first EVA adhesive film by hot air sprayed by the hot air knife until the toughened glass is separated from the silicon-based battery piece, wherein the mechanical arm takes out the toughened glass through the grabbing mechanism. The photovoltaic panel segmentation process program is simple, does not need excessive operations, improves the segmentation efficiency of the photovoltaic panel, and has no pollution caused by wastewater reagents in the segmentation process of the photovoltaic panel, and the recovery process is environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a mechanical arm according to the present invention;
FIG. 3 is a schematic view of the hot air knife according to the present invention;
FIG. 4 is a schematic view of a support table according to the present invention;
FIG. 5 is a schematic view of a fixing frame according to the present invention;
FIG. 6 is a schematic diagram of a process for separating photovoltaic panels according to the present invention;
FIG. 7 is a schematic view of a photovoltaic panel structure;
fig. 8 is a schematic diagram of a photovoltaic panel structure layering.
1, a mounting seat; 2. a mechanical arm; 3. a hot air knife; 4. a grabbing mechanism; 5. a housing; 6. an air inlet; 7. an air outlet; 8. a heating rod; 9. a fixing frame; 10. a suction cup; 11. a base; 12. a first arm; 13. a second arm; 14. a support table; 15. a photovoltaic module placement table; 16. a hot air knife fixing seat; 17. tempered glass; 18. a first EVA adhesive film; 19. a silicon-based battery piece; 20. a second EVA adhesive film; 21. a back plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the separating device for separating the photovoltaic module by using the hot air knife comprises a mechanical arm 2, wherein a grabbing mechanism 4 is arranged on the mechanical arm 2, a supporting table 14 is arranged beside the mechanical arm 2, and the hot air knife 3 is arranged on the supporting table 14.
Preferably, the invention comprises a mechanical arm 2, wherein a grabbing mechanism 4 is arranged on the mechanical arm 2, and the grabbing mechanism 4 is used for grabbing the photovoltaic module. A supporting table 14 is arranged beside the mechanical arm 2, and a hot air knife 3 is arranged on the supporting table 14. The photovoltaic module is moved to the corresponding position on the supporting table 14 by the mechanical arm 2, and the hot air knife 3 is started to divide and separate the photovoltaic module, as shown in fig. 6, which is a schematic diagram of the process of separating the photovoltaic panel. The device core component only comprises the hot air knife 3, the mechanical arm 2 and the grabbing mechanism 4, and is simple in structure, convenient to operate and maintain in the later period and low in maintenance cost. In addition, the device adopts the mechanical arm 2 to carry the photovoltaic module, so that the automation degree of the dividing device is improved, and the working efficiency of the device is further improved.
Preferably, the photovoltaic module is cut by the device relatively by adopting the metal wires, so that the device has lower requirements on the device, does not need higher alignment precision, reduces the cutting difficulty and is convenient to operate.
Preferably, in order to prevent the high temperature gas of the hot air knife 3 from damaging the mechanical arm 2, a layer of high temperature resistant material can be coated on the mechanical arm 2.
Preferably, the mechanical arm 2 is arranged on the mounting base 1.
As shown in fig. 4, the support table 14 is provided with a photovoltaic module placing table 15 and a hot air knife fixing seat 16.
As shown in fig. 4, the top of the supporting table 14 is in a step shape, and the hot air knife 3 is fixedly arranged at the step of the top of the supporting table 14, so that the hot air knife 3 is convenient to install and position, and the knife setting precision is improved.
Preferably, the relative positions of the photovoltaic module placing table 15 and the hot air knife fixing seat 16 are set in advance, the photovoltaic module is placed on the photovoltaic module placing table 15 through the mechanical arm 2, the hot air knife 3 is placed on the hot air knife fixing seat 16, and then a cutting procedure can be started, so that the cutter setting procedure is reduced, and the cutting efficiency is improved.
As shown in fig. 1 and 3, the hot air knife 3 comprises a shell 5, an air inlet 6 and an air outlet 7 are arranged on the shell 5, and a heating rod 8 is arranged in the shell 5.
Preferably, after the hot air knife 3 is started, a large amount of gas enters the shell 5 through the air inlet 6 by the air pump, and the gas is heated by the heating rod 8, so that the pressure of the gas in the shell 5 is increased, and high-temperature and high-pressure gas is sprayed out from the air outlet 7. The high-temperature high-pressure gas can promote the decomposition and melting of the first EVA adhesive film 18 and simultaneously tear the toughened glass 17 and the silicon-based battery piece 19, so that the effect of separating the photovoltaic panel is achieved. The separated toughened glass 17 is directly sent to a glass manufacturer for recycling, the remaining second EVA adhesive film 20 and backboard 21 in the laminated structure can be removed in a pyrolysis mode, and the remaining silicon-based battery piece 19 is used for recycling. As shown in fig. 6, a process of separating the photovoltaic panel is schematically shown in fig. 7, a photovoltaic panel structure is schematically shown in fig. 8, and a photovoltaic panel structure is schematically layered.
Preferably, as shown in fig. 1 and 5, the grabbing mechanism 4 comprises a fixing frame 9, and a plurality of suckers 10 are arranged on the fixing frame 9. The glass layer on the photovoltaic module is firmly adsorbed through the sucker 10, and the photovoltaic module divided by the device is complete and is convenient for subsequent recovery, storage and transportation.
Preferably, the suction cup 10 is connected with an air pump, and the suction cup 10 is vacuumized through the air pump, so that the suction cup 10 adsorbs the glass layer.
As shown in fig. 1, the fixing frame 9 is fixedly disposed on the mechanical arm 2.
As shown in fig. 1 and 2, the mechanical arm 2 includes a base 11, a first arm 12 is movably disposed on the base 11, a second arm 13 is movably disposed on the first arm 12, and a connection portion for fixing the grabbing mechanism 4 is movably disposed on the second arm 13.
Preferably, a power device for driving the mechanical arm 2 is disposed in the base 11.
The separation method of the separation device for separating the photovoltaic module by using the hot air knife comprises the following steps:
s1, removing an aluminum frame and a junction box of a photovoltaic panel;
s2, the mechanical arm 2 grabs the photovoltaic panel through the grabbing mechanism 4, and the mechanical arm 2 moves the photovoltaic panel to the supporting table 14;
s3, starting the hot air knife 3, and melting and cutting the first EVA adhesive film 18 by hot air sprayed by the hot air knife 3 until the toughened glass 17 is separated from the silicon-based battery piece 19, wherein the mechanical arm 2 takes out the toughened glass 17 through the grabbing mechanism 4. As shown in fig. 6, a schematic diagram of a process for separating photovoltaic panels is shown.
Preferably, the photovoltaic panel segmentation method has the advantages of simple procedure, high mechanization degree, no need of excessive operation, improvement of the segmentation efficiency of the photovoltaic panel, no pollution caused by waste water reagents in the segmentation process of the photovoltaic panel, and environmental protection in the recovery process.
When the mechanical arm 2 moves the photovoltaic panel to the supporting table 14, the first EVA film 18 is aligned with the air outlet of the hot air knife 3.
Preferably, the device aims at reducing the recovery cost of the photovoltaic panel, improving the recovery efficiency and reducing the recovery difficulty. In the subsequent recovery, if the influence of glass can be eliminated, recovery profits can be improved while reducing the subsequent recovery cost. The photovoltaic panel has a little EVA residue on the toughened glass 17 obtained after the treatment, the second EVA adhesive film 20 is left on the laminated component, but the subsequent treatment of the toughened glass 17 is furnace-returning reconstruction, the laminated component also needs heat treatment in the subsequent recovery process, the pyrolysis temperature of the EVA adhesive film is about 550 ℃, and the pyrolysis temperature of the toughened glass and the main component table of the silicon-based battery piece 19 is far higher than 550 ℃, so that the residual EVA adhesive film can not influence the subsequent recovery.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an utilize hot-blast sword separation photovoltaic module's separator, its characterized in that includes arm (2), is provided with on arm (2) and snatchs mechanism (4), and arm (2) next door is provided with supporting table (14), is provided with hot-blast sword (3) on supporting table (14).
2. The separating device for separating photovoltaic modules by using hot air knives according to claim 1 is characterized in that the supporting table (14) is provided with a photovoltaic module placing table (15) and a hot air knife fixing seat (16).
3. The device for separating the photovoltaic module by using the hot air knife according to claim 2, wherein the tabletop of the supporting table (14) is stepped, and the tabletop of the photovoltaic module placing table (15) is higher than the tabletop of the hot air knife fixing seat (16).
4. The device for separating the photovoltaic module by using the hot air knife according to claim 2, wherein the hot air knife (3) comprises a shell (5), an air inlet (6) and an air outlet (7) are arranged on the shell (5), and a heating rod (8) is arranged in the shell (5).
5. The separating device for separating a photovoltaic module by using a hot air knife according to claim 1, wherein the grabbing mechanism (4) comprises a fixing frame (9), and a plurality of suckers (10) are arranged on the fixing frame (9).
6. The separating device for separating photovoltaic modules by using hot air knives according to claim 5 is characterized in that the fixing frame (9) is fixedly arranged on the mechanical arm (2).
7. The separating device for separating the photovoltaic module by using the hot air knife according to claim 1, wherein the mechanical arm (2) comprises a base (11), a first arm rod (12) is movably arranged on the base (11), a second arm rod (13) is movably arranged on the first arm rod (12), and a connecting part for fixing the grabbing mechanism (4) is movably arranged on the second arm rod (13).
8. A device for separating photovoltaic modules by means of hot air knives according to claim 7, characterized in that said base (11) is internally provided with power means for driving the mechanical arm (2).
9. A separation method of the separation device for separating a photovoltaic module using a hot air knife according to claim 1, comprising the steps of:
s1, removing an aluminum frame and a junction box of a photovoltaic panel;
s2, the mechanical arm (2) grabs the photovoltaic panel through the grabbing mechanism (4), and the mechanical arm (2) moves the photovoltaic panel to the supporting table (14);
s3, starting a hot air knife (3), and melting and cutting the first EVA adhesive film (18) through hot air sprayed by the hot air knife (3) until the toughened glass (17) is separated from the silicon-based battery piece (19), wherein the mechanical arm (2) takes out the toughened glass (17) through the grabbing mechanism (4).
10. The method according to claim 9, wherein the mechanical arm (2) of S2 moves the photovoltaic panel onto the support table (14), and the first EVA film (18) is aligned with the air outlet of the hot air knife (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384241.XA CN116487475A (en) | 2023-04-11 | 2023-04-11 | Separating device for separating photovoltaic modules by using hot air knife and separating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310384241.XA CN116487475A (en) | 2023-04-11 | 2023-04-11 | Separating device for separating photovoltaic modules by using hot air knife and separating method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116487475A true CN116487475A (en) | 2023-07-25 |
Family
ID=87216129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310384241.XA Pending CN116487475A (en) | 2023-04-11 | 2023-04-11 | Separating device for separating photovoltaic modules by using hot air knife and separating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116487475A (en) |
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2023
- 2023-04-11 CN CN202310384241.XA patent/CN116487475A/en active Pending
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