CN113769895A - Electrostatic separation equipment for crystalline silicon battery particles - Google Patents
Electrostatic separation equipment for crystalline silicon battery particles Download PDFInfo
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- CN113769895A CN113769895A CN202111122047.1A CN202111122047A CN113769895A CN 113769895 A CN113769895 A CN 113769895A CN 202111122047 A CN202111122047 A CN 202111122047A CN 113769895 A CN113769895 A CN 113769895A
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- 238000000926 separation method Methods 0.000 title claims abstract description 20
- 229910021419 crystalline silicon Inorganic materials 0.000 title claims abstract description 14
- 239000002245 particle Substances 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 92
- 238000007599 discharging Methods 0.000 claims abstract description 45
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 30
- 239000010703 silicon Substances 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 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
- 239000008188 pellet Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910021422 solar-grade silicon Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
- B03C7/08—Separators with material carriers in the form of belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67271—Sorting devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses electrostatic sorting equipment for crystalline silicon battery particles. The electrostatic sorting apparatus includes: the electrostatic equipment comprises an electrostatic equipment main body, a control device and a control device, wherein the electrostatic equipment main body is provided with a feeding hole and a discharging hole, and is used for carrying out electrostatic sorting treatment on the classified materials input by the feeding hole so as to discharge pure silicon battery materials, pure glass materials and mixed materials containing silicon battery pieces and glass from the discharging hole; the circulating mechanism is used for receiving the mixed material and transmitting the mixed material to the feeding mechanism; the feeding mechanism is used for receiving the mixed material and conveying the mixed material to the feeding mechanism; the feeding mechanism is used for receiving the mixed materials and inputting the mixed materials to the feeding hole, and the electrostatic equipment main body is also used for carrying out electrostatic separation treatment on the mixed materials. The electrostatic separation equipment can effectively recover silicon cells in the retired photovoltaic module, and the safety and the high efficiency of the recovery process are realized.
Description
Technical Field
The invention belongs to the technical field of automatic equipment installation, and particularly relates to electrostatic sorting equipment for crystalline silicon battery particles.
Background
At present, photovoltaic power generation accounts for nearly 3% of the global power generation, with crystalline silicon photovoltaic modules accounting for more than 90% of the global photovoltaic market. With the large-scale deployment of global photovoltaic modules, how photovoltaic modules are handled at the end of their approximately 20 year service life presents significant challenges. The cumulative mass of a globally decommissioned photovoltaic module is expected to reach 800 ten thousand tons by 2030, and to 2050, the cumulative mass is expected to approach 8000 ten thousand tons. According to the 2017-2020 photovoltaic installation indexes published by the national energy agency, the cumulative installation amount of China reaches 250GW in 2020, the installation amount is increased by about 40GW (about 1.5 hundred million photovoltaic panels) every year, and the recovery scale of the photovoltaic module reaches 60GW and about 450 million tons of photovoltaic modules in 2030 years along with the expiration of the service life of 15-20 years.
As is known, the retired photovoltaic module contains a large amount of valuable metals (copper, aluminum, tin, silver, indium, gallium, germanium), solar-grade silicon and the like, and has high economic value, and if products of each part of the retired photovoltaic module are effectively recycled, a cyclic raw material source can be fully developed, and remarkable economic benefit can be obtained. In the process of recovering the retired photovoltaic module, the photovoltaic module silicon battery piece and broken glass need to be separated after an aluminum frame, a junction box and a backboard are removed, the silicon battery piece is scraped manually in the current main separation mode, the separation mode is low in working efficiency, high in manual operation strength and incapable of guaranteeing safety in the working process. Therefore, a new method which is simple in process, low in cost, green and environment-friendly and can recover metal silicon from the retired photovoltaic module is urgently needed.
Disclosure of Invention
(I) technical problems to be solved by the invention
The technical problem solved by the invention is as follows: how to efficiently and safely recover silicon cells from retired photovoltaic modules.
(II) the technical scheme adopted by the invention
An electrostatic sorting apparatus for crystalline silicon cell pellets, the electrostatic sorting apparatus comprising:
the electrostatic equipment comprises an electrostatic equipment main body, a control device and a control device, wherein the electrostatic equipment main body is provided with a feeding hole and a discharging hole, and is used for carrying out electrostatic sorting treatment on the classified materials input by the feeding hole so as to discharge pure silicon battery materials, pure glass materials and mixed materials containing silicon battery pieces and glass from the discharging hole;
the circulating mechanism is used for receiving the mixed material and transmitting the mixed material to the feeding mechanism;
the feeding mechanism is used for receiving the mixed material and conveying the mixed material to the feeding mechanism;
the feeding mechanism is used for receiving the mixed materials and inputting the mixed materials to the feeding hole, and the electrostatic equipment main body is also used for carrying out electrostatic separation treatment on the mixed materials.
Preferably, the discharge gate including set up in the first sub-discharge gate, the sub-discharge gate of second and the sub-discharge gate of third of electrostatic device main part bottom, first sub-discharge gate is used for discharging pure silicon battery material, the sub-discharge gate of second is used for discharging pure glass material, the sub-discharge gate of third is used for discharging the mixed material, the feed inlet set up in the top of electrostatic device main part.
Preferably, the circulation mechanism is located electrostatic device main part below, the circulation mechanism includes first power device, first transmission sprocket and first conveyor belt, first power device is used for driving first transmission sprocket rotates, first transmission sprocket is used for driving first conveyor belt rotates, first conveyor belt is used for receiving and conveying by the discharge of the sub-discharge gate of third mixed material.
Preferably, the feeding mechanism comprises a spiral body, a driving device, a feeding device and a discharging device, the spiral body is vertically arranged and is spaced from the main body of the electrostatic equipment, the feeding device and the discharging device are respectively installed at the bottom and the top of the spiral body, the feeding device is used for discharging the mixed material on the first conveying belt into the spiral body, the driving device is used for driving the spiral body to rotate so as to convey the mixed material upwards to the discharging device, and the discharging device is used for discharging the mixed material to the feeding mechanism.
Preferably, the feeding mechanism is located above the electrostatic device main body, and the feeding mechanism includes a second power device, a second transmission sprocket and a second conveying belt, the second power device is configured to drive the second transmission sprocket to rotate, the second transmission sprocket is configured to drive the second conveying belt to rotate, and the second conveying belt is configured to receive the mixture discharged by the discharging device and discharge the mixture into the feeding port.
(III) advantageous effects
The invention discloses electrostatic separation equipment for crystalline silicon battery particles, which has the following technical effects compared with the prior art:
carry out the static through the electrostatic device main part and select separately the processing to photovoltaic module's hierarchical material, obtain pure silicon battery material, pure glass material and contain the mixed material of silicon battery piece and glass, input the mixed material again to the electrostatic device main part through circulation mechanism, feed mechanism and feed mechanism three's cooperation after that, realize endless static and select separately the processing to retrieve the silicon cell among the retired photovoltaic module effectively, realize the safety of recovery process, high-efficient.
Drawings
Fig. 1 is a schematic view of the overall structure of an electrostatic sorting apparatus for crystalline silicon battery particles according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Before describing the various embodiments of the present solution in detail, first the technical idea of the present solution is briefly described: generally adopt artifical mode to scrape away among the retired photovoltaic module silicon battery piece among the prior art, efficiency is lower and the security can't be guaranteed, for this, this scheme provides an electrostatic separation equipment for crystal silicon battery granule, carry out electrostatic separation through the electrostatic separation equipment main part to photovoltaic module's hierarchical material and handle, obtain pure silicon battery material, pure glass material and the combined material who contains silicon battery piece and glass, through circulation mechanism, the cooperation of feed mechanism and feed mechanism three is inputed the combined material to the electrostatic separation equipment main part again after that, realize endless electrostatic separation and handle, thereby retrieve the silicon battery among the retired photovoltaic module effectively, realize that the recovery process is safe, high-efficient.
Illustratively, as shown in fig. 1, the electrostatic sorting apparatus for crystalline silicon battery particles of the present embodiment includes an electrostatic apparatus body 10, a circulation mechanism 20, a feed mechanism 30, and a feed mechanism 40. The electrostatic equipment main body 10 is provided with a feeding hole 11 and a discharging hole, and the electrostatic equipment main body 10 is used for carrying out electrostatic sorting treatment on classified materials input from the feeding hole 11 so as to discharge pure silicon battery materials, pure glass materials and mixed materials containing silicon battery pieces and glass from the discharging hole; the circulating mechanism 20 is used for receiving the mixed materials and transmitting the mixed materials to the feeding mechanism 30; the feeding mechanism 30 is used for receiving the mixed material and conveying the mixed material to the feeding mechanism 40; the feeding mechanism 40 is used for receiving the mixture and inputting the mixture to the feeding hole 11, and the electrostatic device main body 10 is also used for performing electrostatic separation processing on the mixture. Wherein, the obtaining process of the graded material is as follows: and (3) carrying out crushing and grinding treatment on the retired photovoltaic module so as to obtain crushed grinding materials, and carrying out grading treatment on the crushed grinding materials of the photovoltaic module so as to obtain graded materials.
Illustratively, the discharge ports include a first sub-discharge port 12a, a second sub-discharge port 12b, and a third sub-discharge port 12c disposed at the bottom end of the electrostatic device body 10, the first sub-discharge port 12a is used for discharging pure silicon battery materials, the second sub-discharge port 12b is used for discharging pure glass materials, the third sub-discharge port 12c is used for discharging mixed materials, and the feed port 11 is disposed at the top end of the electrostatic device body 10. The internal structure of the electrostatic apparatus main body 10 is the prior art, and the electrostatic sorting principle is well known to those skilled in the art, and will not be described herein.
Further, the circulating mechanism 20 is located below the electrostatic device main body 10, the circulating mechanism 20 includes a first power device 21, a first transmission sprocket 22 and a first conveying belt 23, the first power device 21 is configured to drive the first transmission sprocket 22 to rotate, the first transmission sprocket 22 is configured to drive the first conveying belt 23 to rotate, and the first conveying belt 23 is configured to receive and convey the mixed material discharged from the third sub-discharging opening 12 c.
Further, the feeding mechanism 30 includes a spiral body 31, a driving device (not shown), a feeding device (not shown) and a discharging device (not shown), the spiral body 31 is vertically disposed and spaced apart from the electrostatic apparatus main body 10, the feeding device and the discharging device are respectively installed at the bottom and the top of the spiral body 31, the feeding device is used for discharging the mixed material on the conveying belt into the spiral body, the driving device is used for driving the spiral body 31 to rotate so as to convey the mixed material upwards to the discharging device, and the discharging device is used for discharging the mixed material to the feeding mechanism 40. The feeding mechanism 30 is a spiral material conveying mechanism, and the working principle of the feeding mechanism 30 is well known to those skilled in the art and will not be described herein.
Further, the feeding mechanism 40 is located above the electrostatic device main body 10, the feeding mechanism 40 includes a second power device (not shown), a second transmission chain wheel 41 and a second conveying belt 42, the second power device is used for driving the second transmission chain wheel 41 to rotate, the second transmission chain wheel 41 is used for driving the second conveying belt 42 to rotate, and the second conveying belt 42 is used for receiving the mixed material discharged by the discharging device and discharging the mixed material into the feeding port 11.
The working process of the electrostatic separation equipment is as follows: inputting the prepared classified material into the electrostatic equipment main body 10 from the feeding hole 11, performing electrostatic sorting treatment on the classified material by the electrostatic equipment main body 10 according to a set program, and respectively discharging pure silicon battery material from the first sub-discharging hole 12a, pure glass material from the second sub-discharging hole 12b, and mixed material from the third sub-discharging hole 12c, wherein the pure silicon battery material and the pure glass material are directly transported away by an external transportation device, the mixed material is discharged to the first conveying belt 23, the first power device 21 drives the first transmission sprocket 22 to rotate so as to drive the first conveying belt 23 to rotate, so that the mixed material is conveyed to the spiral body 31, at this time, the driving device drives the spiral body 31 to rotate so as to convey the mixed material upwards to the second conveying belt 42, the second power device drives the second transmission sprocket 41 to rotate so as to drive the second conveying belt 42, so that the mixed material is discharged into the feeding hole 11, finally, the electrostatic sorting process is continued by the electrostatic apparatus main body 10, thereby completing one cycle. The silicon cell slice is effectively separated from other impurities, so that a high-quality and high-price silicon product is obtained, the silicon content is over 88 percent, and the silicon content in the finally obtained impurities is not higher than 0.9 percent.
Although a few embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents, and that such changes and modifications are intended to be within the scope of the invention.
Claims (5)
1. An electrostatic sorting apparatus for crystalline silicon battery particles, the electrostatic sorting apparatus comprising:
the electrostatic equipment comprises an electrostatic equipment main body, a control device and a control device, wherein the electrostatic equipment main body is provided with a feeding hole and a discharging hole, and is used for carrying out electrostatic sorting treatment on the classified materials input by the feeding hole so as to discharge pure silicon battery materials, pure glass materials and mixed materials containing silicon battery pieces and glass from the discharging hole;
the circulating mechanism is used for receiving the mixed material and transmitting the mixed material to the feeding mechanism;
the feeding mechanism is used for receiving the mixed material and conveying the mixed material to the feeding mechanism;
the feeding mechanism is used for receiving the mixed materials and inputting the mixed materials to the feeding hole, and the electrostatic equipment main body is also used for carrying out electrostatic separation treatment on the mixed materials.
2. The electrostatic separation equipment for crystalline silicon battery particles as claimed in claim 1, wherein the discharge port comprises a first sub-discharge port, a second sub-discharge port and a third sub-discharge port which are arranged at the bottom end of the electrostatic equipment main body, the first sub-discharge port is used for discharging the pure silicon battery materials, the second sub-discharge port is used for discharging the pure glass materials, the third sub-discharge port is used for discharging the mixed materials, and the feed port is arranged at the top end of the electrostatic equipment main body.
3. The electrostatic separation equipment for crystalline silicon battery particles as claimed in claim 2, wherein the circulation mechanism is located below the electrostatic equipment main body, the circulation mechanism comprises a first power device, a first transmission chain wheel and a first conveying belt, the first power device is used for driving the first transmission chain wheel to rotate, the first transmission chain wheel is used for driving the first conveying belt to rotate, and the first conveying belt is used for receiving and conveying the mixed material discharged from the third sub-discharge port.
4. The electrostatic separation equipment for crystalline silicon battery particles as claimed in claim 3, wherein the feeding mechanism comprises a spiral body, a driving device, a feeding device and a discharging device, the spiral body is vertically arranged and spaced from the electrostatic equipment main body, the feeding device and the discharging device are respectively installed at the bottom and the top of the spiral body, the feeding device is used for discharging the mixed material on the first conveying belt into the spiral body, the driving device is used for driving the spiral body to rotate so as to upwards convey the mixed material to the discharging device, and the discharging device is used for discharging the mixed material to the feeding mechanism.
5. The electrostatic separation equipment for crystalline silicon battery particles as claimed in claim 4, wherein the feeding mechanism is located above the electrostatic equipment main body, the feeding mechanism comprises a second power device, a second transmission chain wheel and a second conveying belt, the second power device is used for driving the second transmission chain wheel to rotate, the second transmission chain wheel is used for driving the second conveying belt to rotate, and the second conveying belt is used for receiving the mixed material discharged by the discharging device and discharging the mixed material into the feeding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122047.1A CN113769895A (en) | 2021-09-24 | 2021-09-24 | Electrostatic separation equipment for crystalline silicon battery particles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122047.1A CN113769895A (en) | 2021-09-24 | 2021-09-24 | Electrostatic separation equipment for crystalline silicon battery particles |
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| CN113769895A true CN113769895A (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111122047.1A Pending CN113769895A (en) | 2021-09-24 | 2021-09-24 | Electrostatic separation equipment for crystalline silicon battery particles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7091571B1 (en) * | 2022-02-02 | 2022-06-27 | Ｄｏｗａエコシステム株式会社 | How to handle the solar cell module |
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| EP2576071A1 (en) * | 2010-05-31 | 2013-04-10 | Stefano Cassani | A method and a device for separating particles of a determined synthetic material from particles of different synthetic materials |
| CN206567205U (en) * | 2017-01-23 | 2017-10-20 | 佛山市晋雄科技有限公司 | A kind of chemical granule material deep processing device for carrying feeding prescreening mechanism |
| CN211385417U (en) * | 2019-11-12 | 2020-09-01 | 台州正奇艺环保设备科技有限公司 | High-voltage electrostatic separator |
| CN212072565U (en) * | 2020-03-31 | 2020-12-04 | 东莞市海宝机械科技有限公司 | Electrostatic separator |
| CN213494303U (en) * | 2020-08-14 | 2021-06-22 | 湖南永创机电设备有限公司 | Electrostatic separation equipment and waste circuit board integrated processing system |
-
2021
- 2021-09-24 CN CN202111122047.1A patent/CN113769895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2576071A1 (en) * | 2010-05-31 | 2013-04-10 | Stefano Cassani | A method and a device for separating particles of a determined synthetic material from particles of different synthetic materials |
| CN206567205U (en) * | 2017-01-23 | 2017-10-20 | 佛山市晋雄科技有限公司 | A kind of chemical granule material deep processing device for carrying feeding prescreening mechanism |
| CN211385417U (en) * | 2019-11-12 | 2020-09-01 | 台州正奇艺环保设备科技有限公司 | High-voltage electrostatic separator |
| CN212072565U (en) * | 2020-03-31 | 2020-12-04 | 东莞市海宝机械科技有限公司 | Electrostatic separator |
| CN213494303U (en) * | 2020-08-14 | 2021-06-22 | 湖南永创机电设备有限公司 | Electrostatic separation equipment and waste circuit board integrated processing system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7091571B1 (en) * | 2022-02-02 | 2022-06-27 | Ｄｏｗａエコシステム株式会社 | How to handle the solar cell module |
| WO2023148847A1 (en) * | 2022-02-02 | 2023-08-10 | Ｄｏｗａエコシステム株式会社 | Method for processing solar cell module |
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Effective date of registration: 20220810 Address after: 810008 No. 43, Wusi West Road, Chengxi District, Xining City, Qinghai Province Applicant after: Huanghe Hydropower Development Co., Ltd. Applicant after: CHANGSHA RESEARCH INSTITUTE OF MINING AND METALLURGY Co.,Ltd. Address before: No.20, Kunlun East Road, Xining Economic and Technological Development Zone, Xining City, Qinghai Province Applicant before: PHOTOVOLTAIC INDUSTRY TECHNOLOGY BRANCH OF QINGHAI HUANGHE HYDROPOWER DEVELOPMENT Co.,Ltd. Applicant before: YELLOW RIVER HYDROPOWER PHOTOVOLTAIC INDUSTRY TECHNOLOGY Co.,Ltd. Applicant before: HUANGHE HYDROPOWER DEVELOPMENT Co.,Ltd. Applicant before: Huanghe Hydropower Development Co., Ltd. |
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Inventor after: Ma Yunfeng Inventor after: Zhong Biao Inventor after: Zhang Zhansheng Inventor after: Ma Chongzhen Inventor after: He Yinfeng Inventor after: Liao Dongting Inventor after: Zheng Lu Inventor after: Zhang Jianwen Inventor after: Niu Litong Inventor after: Liang Han Inventor after: Han Jindou Inventor before: Ma Yunfeng Inventor before: He Yinfeng Inventor before: Zheng Lu Inventor before: Niu Litong Inventor before: Han Jindou Inventor before: Zhang Zhansheng |