CN115041501A - Treatment and recovery system and method for glass-free photovoltaic laminated part - Google Patents
Treatment and recovery system and method for glass-free photovoltaic laminated part Download PDFInfo
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- CN115041501A CN115041501A CN202210668859.4A CN202210668859A CN115041501A CN 115041501 A CN115041501 A CN 115041501A CN 202210668859 A CN202210668859 A CN 202210668859A CN 115041501 A CN115041501 A CN 115041501A
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- 238000011084 recovery Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 79
- 239000010703 silicon Substances 0.000 claims abstract description 79
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 238000012545 processing Methods 0.000 claims abstract description 60
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 239000002313 adhesive film Substances 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000004064 recycling Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 13
- 238000004021 metal welding Methods 0.000 claims abstract description 13
- 229910000679 solder Inorganic materials 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 2
- 238000004566 IR spectroscopy Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The application discloses a processing and recycling system and method for a glass-free photovoltaic laminating part, wherein the system comprises: the device comprises a collecting module, a back plate processing module, a metal positioning module, a welding strip processing module, a glue film processing module and a recycling module; the collecting module is used for collecting the photovoltaic laminated piece after the glass is separated; the back plate processing module is used for detecting whether a back plate exists in the photovoltaic laminated part and processing the back plate to obtain a silicon battery piece; the metal positioning module is used for positioning the welding strip on the silicon battery piece and preparing for cutting; the welding strip processing module is used for cutting the welding strip and sorting the battery pieces to obtain a silicon battery and a metal welding strip; the adhesive film processing module is used for processing and cleaning an adhesive film; a recovery module is used to recover the silicon cells and the metal solder strips. This application welds the area through accurate location and cutting, can guarantee the safety recovery of battery piece by the at utmost, utilizes solution clearance glued membrane can effectively reduce the loss of metal and battery piece in the middle of the recovery process.
Description
Technical Field
The application relates to the field of photovoltaic module recovery processing, in particular to a processing and recovery system and method for a glass-free photovoltaic laminating piece.
Background
How to carry out innocent treatment and resource recovery on retired photovoltaic modules has become a hot problem concerned by the international industrial and environmental communities. The retired photovoltaic module comprises glass, an aluminum frame, a battery piece, an adhesive film, a junction box, a photovoltaic back plate and precious metals, and has considerable economic benefits in resource recycling.
The present application focuses on how to recover silicon cells and waste metals with high efficiency and low loss, in the case where the glass of the photovoltaic module has been separated; and how to minimize possible contamination. The existing photovoltaic module recycling technology generally decomposes and recycles the photovoltaic module through high-temperature heat treatment or chemical treatment, so that the loss of metal and battery pieces is overlarge, the recycling efficiency is low, and the cost is overhigh in the recycling process.
Disclosure of Invention
The application discloses no glass photovoltaic lamination's processing recovery system utilizes spectrum location monitoring photovoltaic lamination who has accomplished glass separation whether have the backplate and handle, cuts out through metal location combination sliding knife and will weld area and battery piece separation and get rid of the glued membrane through the mode that high temperature treatment and chemical treatment combined together, finally retrieves surplus metal and battery piece.
In order to achieve the above object, the present application provides the following solutions:
a system for treating and recycling a glass-free photovoltaic laminate, comprising: the device comprises a collecting module, a back plate processing module, a metal positioning module, a welding strip processing module, a glue film processing module and a recycling module;
the collecting module is used for collecting the photovoltaic laminated piece after glass separation;
the back plate processing module is used for detecting whether a back plate exists in the photovoltaic laminated part and processing the back plate to obtain a silicon battery piece;
the metal positioning module is used for positioning a welding strip on the silicon battery piece and preparing for cutting;
the welding strip processing module is used for cutting the welding strip and sorting the battery pieces to obtain a silicon battery and small metal blocks;
the adhesive film processing module is used for processing and cleaning an adhesive film;
the recovery module is used for recovering the silicon cell and the metal small blocks.
Optionally, the backplane processing module includes: a detection unit and a processing unit;
the detection unit is used for checking whether the photovoltaic laminate has a back plate or not;
and the processing unit is used for polishing the detected back plate to obtain the silicon battery piece.
Preferably, the detection unit is an infrared spectrum detector.
Optionally, the metal positioning module includes: a detection unit and a preparation unit;
the detection unit is used for positioning metal welding strips in the silicon cell slice;
the preparation unit is used for carrying out cutting preparation work on the metal welding strip.
Optionally, the solder strip processing module includes: a cutting unit and a sorting unit;
the cutting unit is used for cutting the metal welding strip into small metal blocks;
the sorting unit is used for sorting the silicon cells on the silicon cell slice to obtain the silicon cells.
Optionally, the adhesive film processing module comprises a processing unit and a cleaning unit;
the processing unit is used for processing the adhesive films on the small metal blocks and the silicon battery;
the cleaning unit is used for cleaning residual substances on the small metal blocks and the silicon battery.
Optionally, the recycling module includes: a battery recovery unit and a metal recovery unit;
the cell recovery unit is used for recovering the cleaned silicon cell;
the metal recovery unit is used for recovering the cleaned small metal blocks.
The application also discloses a method for treating and recycling the glass-free photovoltaic laminate, which comprises the following steps:
collecting the photovoltaic laminate after separating the glass;
detecting whether the photovoltaic laminated part has a back plate or not and processing the back plate to obtain a silicon cell slice;
positioning a solder strip on the silicon cell and preparing for cutting;
cutting the welding strips on the silicon battery pieces and sorting the battery pieces to obtain silicon batteries and small metal blocks;
processing and cleaning the adhesive film remained on the silicon battery and the metal small block;
recovering the silicon cell and the metal slug.
The beneficial effect of this application does:
the photovoltaic lamination part processing method has the advantages that whether the back plate exists in the processed photovoltaic lamination part or not is effectively checked through spectrum positioning, and fluorine existing on the back plate is prevented from being converted into toxic fluoride in the processing process; the silicon battery and the welding strip are efficiently separated by combining metal positioning and sliding knife cutting, and the risk of damage in the silicon battery recycling process is reduced.
Drawings
FIG. 1 is a schematic structural view of a processing and recycling system for a glass-free photovoltaic laminate according to the present application;
fig. 2 is a schematic flow diagram of a process for recycling a glass-free photovoltaic laminate according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Example one
In a first embodiment, as shown in fig. 1, a system for treating and recycling a glass-free photovoltaic laminate comprises: the device comprises a collecting module, a back plate processing module, a metal positioning module, a welding strip processing module, a glue film processing module and a recycling module.
The collection module is used for collecting the photovoltaic laminate after glass separation, and comprises: silicon cell sheets, solder strips, adhesive films and possibly a backing sheet. Firstly, feeding a photovoltaic laminating part to be treated into a back plate treatment module; the back plate processing module comprises: a detection unit and a processing unit. The detection unit first performs an infrared spectroscopic determination of the photovoltaic laminate to be treated by means of a spectrometer, which process aims at checking the presence of a backsheet in the photovoltaic laminate. If the backboard exists, the backboard is polished by the processing unit, and pollution caused by toxic fluoride generated by the reaction of fluorine existing in the backboard in the subsequent recovery process is avoided. If no back plate is present, the metal positioning module is directly fed in.
And then, processing the photovoltaic laminated part, and conveying the obtained silicon cell sheet into a metal positioning module for cutting preparation work in the early stage. The metal positioning module includes: the detection unit positions the metal welding strips in the silicon battery piece by using the metal detector, and then the metal welding strips are sent to the preparation unit to be scribed and prepared for cutting, so that the risk of accidentally damaging the battery piece in the process of cutting and separating the battery piece can be reduced.
Sending the scribed silicon cell into a solder strip processing module to perform solder strip cutting; the solder strip processing module includes: a cutting unit and a sorting unit. The cutting unit cuts the metal welding strip into small metal blocks according to the scribing work of the previous preparation unit so as to facilitate recovery; and the sorting unit separates the silicon cells on the silicon cell slice from the metal solder strips to obtain the silicon cells ready for recovery.
Sending the small metal blocks and the silicon battery into a glue film treatment module for removing a glue film; the adhesive film processing module comprises: a processing module and a cleaning module. Wherein, the metal small blocks are subjected to high-temperature treatment to form adhesive films; the adhesive film existing in the silicon cell is processed by a chemical mode; this avoids excessive temperatures damaging the silicon cells to affect recovery. And cleaning the residual substances on the small metal blocks and the silicon battery by using the cleaning module to prepare for final recovery.
And finally, the processed metal small blocks and the silicon battery are sent to a recovery module for recovery, the silicon battery is sent to a battery recovery unit, and the metal small blocks are sent to a metal recovery unit.
Example two
In a first embodiment, as shown in fig. 2, a method for recycling a glass-free photovoltaic laminate includes the steps of: collecting the photovoltaic laminate after separating the glass; detecting whether the photovoltaic laminated part has a back plate or not and processing to obtain a silicon cell slice; positioning a welding strip on the silicon cell and preparing for cutting; cutting the welding strips on the silicon battery pieces and sorting the battery pieces to obtain silicon batteries and small metal blocks; processing and cleaning the adhesive film remained on the silicon battery and the metal small block; silicon cells and metal nubbins were recovered.
S1, collecting the photovoltaic laminated part after glass separation:
first collecting the photovoltaic laminate after separating the glass, comprising: silicon cell sheets, solder strips, adhesive films and possibly a backing sheet.
S2, detecting whether the photovoltaic laminated part has a back plate and processing to obtain a silicon cell:
the infrared spectroscopic measurements are carried out on the photovoltaic laminate to be treated by means of a spectrometer, the process aiming at checking the photovoltaic laminate for the presence of a backsheet. If the backboard exists, the backboard is polished, and the pollution caused by toxic fluoride generated by the reaction of fluorine existing in the backboard in the subsequent recovery process is avoided. If no back plate exists, the metal positioning is directly carried out, and the early preparation work of cutting is started.
S3, positioning a welding strip on the silicon cell and preparing for cutting:
the silicon cell sheet obtained after the photovoltaic laminate is processed is subjected to a preliminary preparation work for cutting. The metal detector is used for positioning the metal welding strips in the silicon battery piece firstly, then scribing is carried out and cutting is prepared, so that the risk of accidentally damaging the battery piece in the process of cutting and separating the battery piece can be reduced.
S4, cutting the welding strips on the silicon battery pieces and sorting the battery pieces to obtain the silicon battery and small metal blocks:
the metal welding strip is cut according to a line which is cut in advance by utilizing the sliding knife, so that the metal welding strip is cut into small metal blocks to facilitate the final recovery work while the battery piece is not damaged.
S5, treating and cleaning adhesive films remained on the silicon battery and the metal small blocks:
and then performing adhesive film treatment on the cut small metal blocks and the silicon battery. Considering that an excessive temperature may damage the internal structure of the silicon cell, the metal small block and the silicon cell are separately subjected to a film removing process. Removing the adhesive film existing in the metal as far as possible by using a high-temperature mode for the small metal blocks to achieve maximum recovery; and for the silicon cell, a chemical mode is adopted to dissolve the adhesive film in the silicon cell, so that the internal structure of the silicon cell can be ensured not to be damaged as much as possible, and the influence of the adhesive film on the recovery efficiency can be effectively reduced. And cleaning the processed metal small blocks and the silicon battery, and removing impurities generated in the glue film treatment process.
S6, recovering the silicon battery and the small metal blocks:
finally, the processed metal small blocks and the silicon battery are separately recovered.
The above-described embodiments are merely illustrative of the preferred embodiments of the present application, and do not limit the scope of the present application, and various modifications and improvements made to the technical solutions of the present application by those skilled in the art without departing from the spirit of the present application should fall within the protection scope defined by the claims of the present application.
Claims (8)
1. A system for treating and recycling a glass-free photovoltaic laminate, comprising: the device comprises a collecting module, a back plate processing module, a metal positioning module, a welding strip processing module, a glue film processing module and a recycling module;
the collecting module is used for collecting the photovoltaic laminated piece after glass separation;
the back plate processing module is used for detecting whether a back plate exists in the photovoltaic laminated part and processing the back plate to obtain a silicon battery piece;
the metal positioning module is used for positioning a welding strip on the silicon battery piece and preparing for cutting;
the welding strip processing module is used for cutting the welding strip and sorting the battery pieces to obtain a silicon battery and small metal blocks;
the adhesive film processing module is used for processing and cleaning an adhesive film;
the recovery module is used for recovering the silicon cell and the metal small blocks.
2. The process recovery system for a glass-free photovoltaic laminate according to claim 1, wherein the backsheet treatment module comprises: a detection unit and a processing unit;
the detection unit is used for checking whether the photovoltaic laminate has a back plate or not;
the processing unit is used for polishing the detected back plate to obtain the silicon battery piece.
3. The process recovery system for a glass-free photovoltaic laminate as recited in claim 2, wherein the detection unit is an infrared spectroscopy detector.
4. The process recovery system for a glass-free photovoltaic laminate as recited in claim 2, wherein the metal positioning module comprises: a detection unit and a preparation unit;
the detection unit is used for positioning metal welding strips in the silicon battery piece;
the preparation unit is used for carrying out cutting preparation work on the metal welding strip.
5. The process recovery system for a glass-free photovoltaic laminate as recited in claim 4, wherein the solder ribbon treatment module comprises: a cutting unit and a sorting unit;
the cutting unit is used for cutting the metal welding strip into small metal blocks;
the sorting unit is used for sorting the silicon cells on the silicon cell slice to obtain the silicon cells.
6. The handling recovery system for a glass-free photovoltaic laminate according to claim 5, wherein the glue film handling module comprises a handling unit and a cleaning unit;
the processing unit is used for processing the adhesive films on the small metal blocks and the silicon battery;
the cleaning unit is used for cleaning residual substances on the small metal blocks and the silicon battery.
7. The process recovery system for a glass-free photovoltaic laminate according to claim 6, wherein the recovery module comprises: a battery recovery unit and a metal recovery unit;
the cell recovery unit is used for recovering the cleaned silicon cell;
the metal recovery unit is used for recovering the cleaned small metal blocks.
8. A method of treating and recycling a glass-free photovoltaic laminate, comprising the steps of:
collecting the photovoltaic laminate after separating the glass;
detecting whether the photovoltaic laminated part has a back plate or not and processing the back plate to obtain a silicon cell slice;
positioning a solder strip on the silicon cell and preparing for cutting;
cutting the welding strips on the silicon battery pieces and sorting the battery pieces to obtain silicon batteries and small metal blocks;
processing and cleaning the adhesive film remained on the silicon battery and the metal small block;
recovering the silicon cell and the metal slug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210668859.4A CN115041501A (en) | 2022-06-14 | 2022-06-14 | Treatment and recovery system and method for glass-free photovoltaic laminated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210668859.4A CN115041501A (en) | 2022-06-14 | 2022-06-14 | Treatment and recovery system and method for glass-free photovoltaic laminated part |
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| Publication Number | Publication Date |
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| CN115041501A true CN115041501A (en) | 2022-09-13 |
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| CN202210668859.4A Pending CN115041501A (en) | 2022-06-14 | 2022-06-14 | Treatment and recovery system and method for glass-free photovoltaic laminated part |
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|---|---|---|---|---|
| EP3118902A1 (en) * | 2015-07-15 | 2017-01-18 | Universite De Liege | Method for recycling photovoltaic solar cells module |
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| CN110491969A (en) * | 2019-08-12 | 2019-11-22 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | A kind of recovery method and device of crystalline silicon photovoltaic module |
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| CN212760298U (en) * | 2020-06-24 | 2021-03-23 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | Recovery device for complete glass photovoltaic module |
| CN112802925A (en) * | 2021-01-26 | 2021-05-14 | 河北省凤凰谷零碳发展研究院 | Photovoltaic module separation device and photovoltaic module separation method |
| CN113385520A (en) * | 2021-05-26 | 2021-09-14 | 铉锦(上海)环保科技有限公司 | Method for separating and recycling photovoltaic laminated part |
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2022
- 2022-06-14 CN CN202210668859.4A patent/CN115041501A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3118902A1 (en) * | 2015-07-15 | 2017-01-18 | Universite De Liege | Method for recycling photovoltaic solar cells module |
| KR20190035112A (en) * | 2017-09-26 | 2019-04-03 | (주)대은 | A Recycling System of Unusable Solar Module |
| CN110491969A (en) * | 2019-08-12 | 2019-11-22 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | A kind of recovery method and device of crystalline silicon photovoltaic module |
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