CN112222978A - Back plate removing device for retired photovoltaic module - Google Patents
Back plate removing device for retired photovoltaic module Download PDFInfo
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- CN112222978A CN112222978A CN202010930410.1A CN202010930410A CN112222978A CN 112222978 A CN112222978 A CN 112222978A CN 202010930410 A CN202010930410 A CN 202010930410A CN 112222978 A CN112222978 A CN 112222978A
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- material conveying
- conveying mechanism
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- grinding
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- 230000007246 mechanism Effects 0.000 claims abstract description 182
- 239000000463 material Substances 0.000 claims abstract description 141
- 238000000227 grinding Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 62
- 238000005406 washing Methods 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 19
- 239000002699 waste material Substances 0.000 abstract description 12
- 239000002912 waste gas Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 15
- 238000011084 recovery Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011978 dissolution method Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
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- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
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- 238000000429 assembly Methods 0.000 description 2
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- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
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- 239000011737 fluorine Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/06—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
-
- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a back plate removing device for a retired photovoltaic module, which comprises a rack, a material conveying mechanism, a grinding mechanism and a lifting mechanism, wherein the material conveying mechanism is movably fixed on the rack along the vertical direction and is used for bearing and conveying the retired photovoltaic module; the grinding mechanism the lifting mechanism are fixed above and below the material conveying mechanism respectively, the lifting mechanism is connected with the bottom of the material conveying mechanism and moves in the vertical direction, the grinding mechanism and the material conveying mechanism are arranged at intervals and used for enabling the material conveying mechanism to move upwards and then to be in contact with the retired photovoltaic module on the surface of the material conveying mechanism, and the backboard on the upper surface of the retired photovoltaic module is ground. According to the invention, the back plate is firstly removed on the premise of not generating waste gas and waste liquid, so that the photovoltaic module is favorably recycled by adopting a mechanical treatment method, and the environment is well protected.
Description
Technical Field
The invention relates to the technical field of photovoltaic module recovery, in particular to a back plate removing device for a retired photovoltaic module.
Background
The photovoltaic module comprises eight materials, namely a solar silicon battery piece, toughened glass, packaging materials (such as EVA (ethylene vinyl acetate copolymer), POE (polyethylene octene co-elastomer), a photovoltaic back panel (fluorine-containing plastic), a copper-tin welding strip, silica gel, a junction box and an aluminum alloy frame, wherein the materials are mostly of a sandwich structure for auxiliary attachment, and conditions are provided for gradient separation and recovery.
According to public data of the energy agency of China, as shown in 2018, the global photovoltaic module installation capacity reaches 500GWP, the installed capacity of the photovoltaic power generation in China reaches 175GWP, the installed capacity occupies 35% of the global photovoltaic industry, the output value exceeds 5000 billion yuan, and the photovoltaic module installation method is one of the most important manufacturing countries of the global photovoltaic industry. The service life of the photovoltaic module can reach 15-25 years, and according to prediction and calculation of the solar cell waste amount by the China renewable energy society, the solid waste of the solar cell in China can be greatly increased after 2020, and the accumulated waste amount can be gradually increased. The 1 ton waste crystalline silicon photovoltaic module contains 70% of glass, 8% of an aluminum frame, 3.65% of a silicon photovoltaic cell, 0.53% of internal conductor aluminum, 0.11% of internal conductor copper, 53g/t of silver and the like. According to relevant reports, by 2034 years, waste photovoltaic modules in China can produce 464 ten thousand tons of carbon steel, 364 ten thousand tons of glass, 85 ten thousand tons of aluminum, 16 ten thousand tons of silicon and 1606 tons of silver. With the continuous reduction of the photovoltaic homogenization power generation cost and the increase of the energy conservation and emission reduction pressure in China, the assembly machine loading amount in China is bound to increase year by year, more and more waste assemblies are generated, and the recycling of the waste photovoltaic assemblies has great significance in the aspects of environmental protection and resource recovery.
The specific recovery and treatment methods of the photovoltaic module reported in the prior publication include an inorganic acid dissolution method, an organic solvent dissolution method, a heat treatment method, a mechanical treatment method, a mixing method and the like, but the chemical and heat treatment methods are adopted to recover the highly-polluted waste gas and waste liquid which are easily generated by the photovoltaic module, so that how to effectively and mechanically strip each component of the photovoltaic module becomes a hotspot and difficulty for recovering the photovoltaic module. The functional back plate in the photovoltaic module is a fluorine-containing multilayer structure plastic, and no matter an inorganic acid dissolution method, an organic solvent dissolution method or a heat treatment method is adopted, the treatment of waste gas and waste liquid brings about greater environmental problems, and the removal of the back plate in the recovery process of the photovoltaic module is always the key of the technical difficulty.
Disclosure of Invention
In view of the defects in the prior art, the invention provides the back plate removing device for the retired photovoltaic module, which can remove the back plate firstly on the premise of not generating waste gas and waste liquid, is beneficial to recovering the photovoltaic module by adopting a mechanical treatment method and well protects the environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a back plate removing device for a retired photovoltaic module comprises a rack, a material conveying mechanism, a grinding mechanism and a lifting mechanism, wherein the material conveying mechanism is movably fixed on the rack along the vertical direction and is used for bearing and conveying the retired photovoltaic module; the grinding mechanism the lifting mechanism are fixed above and below the material conveying mechanism respectively, the lifting mechanism is connected with the bottom of the material conveying mechanism and moves in the vertical direction, the grinding mechanism and the material conveying mechanism are arranged at intervals and used for enabling the material conveying mechanism to move upwards and then to be in contact with the retired photovoltaic module on the surface of the material conveying mechanism, and the backboard on the upper surface of the retired photovoltaic module is ground.
As one embodiment, the back plate removing device for the decommissioned photovoltaic module further comprises a material guiding and pressing mechanism, the material guiding and pressing mechanism comprises two material guiding roller frames fixed on two opposite sides of the rack and a material guiding roller rotatably arranged between the two material guiding roller frames, and the material guiding roller is suspended above the material conveying mechanism and is used for being matched with the material conveying mechanism to roll and extrude the decommissioned photovoltaic module when the decommissioned photovoltaic module passes through.
As one embodiment, at least two grinding mechanisms are arranged at intervals along the transmission direction of the retired photovoltaic module, and one material guide and pressing mechanism is arranged between the at least two grinding mechanisms.
As one embodiment, at least one material guide and pressing mechanism is located upstream of all the grinding mechanisms in the conveying direction of the retired photovoltaic module.
As one embodiment, the material guiding and pressing mechanism further comprises a pressing plate, the pressing plate is fixed between the two material guiding roller frames and arranged at an interval with the material conveying mechanism below the pressing plate, and the bottom surface of the pressing plate is higher than the bottom surfaces of the material guiding rollers.
In one embodiment, the pressing plate is provided with a plurality of chip removal holes for powder on the surface of the back plate to enter.
In one embodiment, the press plate is located downstream of the guide roller in the transport direction of the retired photovoltaic module.
As one of the implementation manners, the back plate removing device for the decommissioned photovoltaic module further includes a pre-pressing mechanism, the pre-pressing mechanism includes at least two pressing rollers, the pressing rollers are spaced from the material conveying mechanism below, and the distance from the pressing roller located at the most upstream position in the transmission direction of the decommissioned photovoltaic module to the material conveying mechanism is greater than the distance from another pressing roller adjacent to the pressing roller to the material conveying mechanism.
As one of the implementation modes, the back plate removing device for the retired photovoltaic module further comprises a washing mechanism, wherein the washing mechanism comprises a spray pipe, and the spray pipe is suspended above the material conveying mechanism and used for washing the retired photovoltaic module when the grinding mechanism works.
As one embodiment, the flushing mechanism further comprises a collecting tank, a return pipe and a return motor, the collecting tank is arranged below the material conveying mechanism to collect flushing liquid flowing out of the spray pipe and backboard powder generated by grinding, and the return motor is used for conveying the collected flushing liquid to the spray pipe through the return pipe for reuse.
According to the photovoltaic component back-plate grinding machine, the material conveying mechanism and the grinding mechanism are integrated on the rack, the retired photovoltaic component is carried and conveyed by the material conveying mechanism, the distance between the retired photovoltaic component and the grinding mechanism is adjusted by the lifting mechanism, so that the back plate of the retired photovoltaic component is ground, the retired photovoltaic component with the ground back plate removed is collected, the back plate is removed firstly on the premise that waste gas and waste liquid are not generated, the photovoltaic component is favorably recycled by adopting a mechanical treatment method, and the environment is well protected.
Drawings
FIG. 1 is a schematic structural view of a back plate removing device with one side door removed according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a back plate removing apparatus with an upper frame removed according to an embodiment of the present invention;
FIG. 3 is a schematic view of the back panel removing apparatus of the embodiment of the present invention with another side door removed;
fig. 4 is a schematic structural view of a material guiding and pressing mechanism according to an embodiment of the present invention.
Detailed Description
In the present invention, the terms "disposed", "provided" and "connected" are to be understood in a broad sense. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
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.
Referring to fig. 1, the back plate removing device for the retired photovoltaic module according to the embodiment of the invention mainly includes a rack 1, a material conveying mechanism 2, a grinding mechanism 3 and a lifting mechanism 4, wherein the material conveying mechanism 2 is movably fixed on the rack 1 along a vertical direction and is used for bearing and conveying the retired photovoltaic module P. Grinding mechanism 3 is fixed in the top of material conveying mechanism 2, elevating system 4 is fixed in the below of material conveying mechanism 2, elevating system 4 is connected with material conveying mechanism 2's bottom, and can follow vertical direction shift up material conveying mechanism 2, thereby change the decommissioned photovoltaic module P of transmission on the material conveying mechanism 2 and the distance of the grinding mechanism 3 of top, grinding mechanism 3 sets up with material conveying mechanism 2 interval, be used for contacting with the decommissioned photovoltaic module P on material conveying mechanism 2 surface after material conveying mechanism 2 upwards moves, and the grinding is located the backplate of decommissioned photovoltaic module P upper surface.
Here, material conveying mechanism 2 transmits decommissioned photovoltaic module P along the left and right direction (from left to right) in the figure, before material conveying mechanism 2 begins to transmit, certain clearance exists between decommissioned photovoltaic module P on material conveying mechanism 2 and grinding mechanism 3 in the vertical direction, when material conveying mechanism 2 begins to transmit, work through elevating system 4 and drive material conveying mechanism 2 and move up, make decommissioned photovoltaic module P transmit to when passing through grinding mechanism 3 below, can contact with grinding mechanism 3 and grind, in the in-process of grinding, can also adjust the height of decommissioned photovoltaic module P many times through elevating system 4 and change the grinding thickness of backplate, thereby thoroughly get rid of the backplate.
The frame 1 forms the cabinet body structure, includes many stands and the cabinet door that shelters from each face of equipment to reserve the passageway of material business turn over, material conveying mechanism 2, grinding mechanism 3, elevating system 4 are fixed on frame 1 with various modes.
Preferably, at least two grinding mechanisms 3 are arranged at intervals in the transmission direction of the retired photovoltaic module P, as shown in fig. 2, the material conveying mechanism 2 conveys the retired photovoltaic module P from left to right, the distance between the grinding mechanism 3 positioned at the upstream of the transmission direction of the retired photovoltaic module P and the material conveying mechanism 2 is larger than the distance between the grinding mechanism 3 positioned at the downstream of the transmission direction of the retired photovoltaic module P and the material conveying mechanism 2, and preferably, the distance between each grinding mechanism 3 and the material conveying mechanism 2 is gradually reduced from upstream to downstream, so that the retired photovoltaic module P is sequentially extruded and ground by each grinding mechanism 3 in the transmission process, the stepped grinding of the backboard is realized, the height of the retired photovoltaic module P does not need to be adjusted for multiple times by the lifting mechanism 4 to change the grinding thickness of the backboard, and the grinding process can be waited without intentional deceleration or pause, therefore, the transmission efficiency of the material conveying mechanism 2 is improved, and the grinding effect is also ensured.
Fig. 1 is a schematic structural view of the back plate removing device of the present embodiment with one side door removed.
Fig. 2 is a schematic structural diagram of the back plate removing device of the present embodiment without the upper frame.
Fig. 3 is a schematic structural view of the back plate removing device of the present embodiment with the other side door removed.
Referring to fig. 2 and 3, the material conveying mechanism 2 of the present embodiment includes a plurality of conveying rollers 21, a conveying belt 22 sleeved on the outer surfaces of all the conveying rollers 21, and a bracket 23 serving as a frame of the conveying rollers 21, wherein the conveying belt 22 surrounds the conveying rollers 21 without exposing the circumferential surface of the conveying rollers 21, the bracket 23 integrates the conveying rollers 21 thereon, and includes side frames on both sides and a connecting beam for connecting the two side frames, a motor for driving the conveying rollers 21 to rotate may also be fixed in the bracket 23, and the material conveying mechanism 2 may be driven to move up and down by connecting the lifting mechanism 4 with the connecting beam or the side frame of the bracket 23.
The grinding mechanism 3 comprises a lower roller 31, an upper roller 32, an abrasive belt 33 sleeved on the surfaces of the lower roller 31 and the upper roller 32, and a driving motor 34 connected with the lower roller 31 through a belt, wherein the lower roller 31 and the upper roller 32 are fixed on the machine frame 1 from bottom to top at intervals in sequence, the driving motor 34 drives the lower roller 31 to rotate at a high speed through the belt, the lower roller 31 and the upper roller 32 rotate synchronously, and the abrasive belt 33 between the lower roller 31 and the upper roller 32 grinds a back plate below the lower roller 31 in a rotating process until the back plate is completely removed. The driving motor 34 and the lifting mechanism 4 are both fixed on the lower half portion of the frame 1 and located below the material conveying mechanism 2, and the grinding mechanism 3 is located on the upper half portion of the frame 1 and suspended above the material conveying mechanism 2.
Considering that retired photovoltaic module P is different in shape, probably because defects such as breakage, warpage and the like appear after long-time use, retired photovoltaic module's backplate remove device still has pre-pressing material mechanism 6, and pre-pressing material mechanism 6 can carry out pre-pressing, exhibition to retired photovoltaic module P before retired photovoltaic module P gets into the grinding position. Specifically, the pre-pressing mechanism 6 includes at least two nip rolls 61, the nip rolls 61 are arranged at intervals with the material conveying mechanism 2 below to reserve a gap for the retired photovoltaic module P to enter, and preferably, the distance from the nip roll 61 located at the most upstream of the retired photovoltaic module P in the transmission direction to the material conveying mechanism 2 is greater than the distance from another nip roll 61 adjacent to the nip roll 61 to the material conveying mechanism 2, that is, the height of the nip roll 61 located at the leftmost side in fig. 2 is greater than the height of the nip roll 61 located at the right side, so that the retired photovoltaic module P realizes progressive nip material guiding in the transmission process, the flattening difficulty is reduced, and the flattening effect can be ensured.
Considering that the retired photovoltaic module P undergoes secondary warping during the transmission and grinding processes, and more backplane powder is introduced during the grinding process, the backplane removing apparatus of this embodiment further includes a material guiding and pressing mechanism 5, as shown in fig. 2 and 4, the material guiding and pressing mechanism 5 includes two material guiding roller frames 51 fixed on two opposite sides of the rack 1 and a material guiding roller 52 rotatably disposed between the two material guiding roller frames 51, and the material guiding roller 52 is suspended above the material conveying mechanism 2 and is used for cooperating with the material conveying mechanism 2 to roll and press the retired photovoltaic module P when the retired photovoltaic module P passes through. Preferably, a material guiding and pressing mechanism 5 is arranged between at least two grinding mechanisms 3. Conveying roller 21 of material conveying mechanism 2 rotates the conveyer belt 22 that drives the surface and transversely transmits decommissioning photovoltaic module P, and decommissioning photovoltaic module P receives extrusion force and the horizontal power of dragging in the vertical direction and is flattened after getting into the gap between guide roller 52 and material conveying mechanism 2 in transmission process, can avoid phenomenons such as warpage to take place.
The material guiding and pressing mechanism 5 further comprises a pressing plate 53, the pressing plate 53 is fixed between the two material guiding roller frames 51 and is arranged at a distance from the material conveying mechanism 2 below, and the bottom surface of the pressing plate 53 is higher than the bottom surfaces of the material guiding rollers 52. When the guide roller 52 contacts the retired photovoltaic module P, the pressing plate 53 is at a certain distance from the surface of the retired photovoltaic module P. The pressing plate 53 is preferably located downstream of the guiding roller 52 in the transporting direction of the retired photovoltaic module P, the retired photovoltaic module P compressed and flattened by the guiding roller 52 is straightened again under the guiding action of the pressing plate 53 on the downstream side so as to avoid warping and arching, and preferably, the bottom surface of the pressing plate 53 is a slope surface inclined towards the downstream or a concave arc surface, so that the retired photovoltaic module P guided by the guiding roller 52 is guided again by the pressing plate 53 gradually, thereby ensuring the guiding effect.
In addition, the pressure plate 53 is provided with a plurality of clearance holes 530 for powder on the surface of the back plate to enter, and the clearance holes 530 are arranged in a row along the length direction of the pressure plate 53. Powder generated during grinding of the back plate may pass through the clearance holes 530. Meanwhile, as shown in fig. 2, the back plate removing device for the retired photovoltaic module further comprises a washing mechanism 7, the washing mechanism 7 comprises a spray pipe 71, and the spray pipe 71 is suspended above the material conveying mechanism 2 and used for washing the retired photovoltaic module P when the grinding mechanism 3 works. The shower pipe 71 preferably includes a perforated pipe located just above the platen 53, the perforated pipe is parallel to the platen 53, and has liquid spraying holes spaced from the surface thereof, the liquid spraying holes are preferably located on the top surface of the perforated pipe, and the cleaning liquid introduced from the perforated pipe flows out from the spraying holes at the top, and is not directly sprayed onto the platen 53 surface, so that the sputtering caused by direct washing can be avoided, and thus the powder of the back plate is naturally collected along with the remaining cleaning liquid on the platen 53 surface.
As one embodiment, at least one material guiding and pressing mechanism 5 may be disposed upstream of all the grinding mechanisms 3 in the transmission direction of the decommissioned photovoltaic module P, that is, one of the material guiding and pressing mechanisms 5 may be disposed upstream of the grinding mechanism 3 together with the pre-pressing mechanism 6, and the two cooperate to consolidate the material guiding and pressing effect, and the pressing plate 53 downstream of the material guiding and pressing mechanism 5 is close to the first grinding mechanism 3, so that the decommissioned photovoltaic module P after being flattened enters the first grinding mechanism 3 for the first time, so as to ensure that the decommissioned photovoltaic module P entering the first grinding mechanism 3 has good flatness.
As shown in fig. 4, the material guiding and pressing mechanism 5 may further include a limiting block 54 and an adjusting rod 55, the limiting block 54 is matched with the rotating shafts at two ends of the material guiding roller 52 through bearings, the adjusting rod 55 is fixed on the top of the material guiding roller frame 51 and is in threaded connection with the limiting block 54, and the height of the material guiding roller 52 can be adjusted by adjusting the height of the limiting block 54 at the end of the adjusting rod 55, so as to adjust the compression degree of the material guiding roller 52. Similarly, the pre-pressing mechanism 6 can also adjust the height of the nip roller 61 in a similar manner.
In order to recover the backboard powder generated by grinding, the washing mechanism 7 further comprises a collecting tank 72, a return pipe 73 and a return motor 74, wherein the collecting tank 72 is arranged below the material conveying mechanism 2 to collect the washing liquid flowing out of the spray pipe 71 and the backboard powder generated by grinding, and the return motor 74 is used for conveying the collected washing liquid to the spray pipe 71 for reuse through the return pipe 73. A cleaning liquid recovery tank 75 is also provided below the collection tank 72, and one end of the collection tank 72 is lower than the other parts, and a solid-liquid separation device, such as a filter screen, or a hydraulic classification device is provided at the position. The liquid in the collection tank 72 is collected to the lowest position of the end along the bottom surface thereof, and is filtered by the solid-liquid separation device, so that the powder of the back plate remains in the collection tank 72, and the filtered washing liquid flows down to the washing liquid recovery tank 75, and the return motor 74 can extract the filtered washing liquid from the washing liquid recovery tank 75 for secondary use. By so doing, the powder from the grinding is collected in the collection tank 72 for further processing.
The working mode of the whole device is as follows: the retired photovoltaic module P enters the material conveying mechanism 2 and then is conveyed forwards along with the material conveying mechanism 2, after the retired photovoltaic module P reaches the material pre-pressing mechanism 6, multi-wheel material guiding and pressing are carried out on the warping part of the photovoltaic module to improve the warping condition of the material, and then the retired photovoltaic module P enters the lower part of the grinding mechanism 3 to grind and remove the back plate, a material guide and pressing mechanism 5 is arranged between and in front and at the back of the plurality of grinding mechanisms 3 to guide and press the retired photovoltaic module P before and after grinding again, the whole photovoltaic module back plate removing process sequentially comprises the combined actions of material guide and pressing positioning, grinding, material guide and pressing positioning, washing mechanism 7 washes generated back plate powder in the grinding process, the retired photovoltaic module P finishes the peeling of the back plate after leaving the conveying platform, and the back plate material generated by grinding is collected, filtered and treated or reused along with the washing liquid.
According to the photovoltaic component back-plate grinding machine, the material conveying mechanism and the grinding mechanism are integrated on the rack, the retired photovoltaic component is carried and conveyed by the material conveying mechanism, the distance between the retired photovoltaic component and the grinding mechanism is adjusted by the lifting mechanism, so that the back plate of the retired photovoltaic component is ground, the retired photovoltaic component with the ground back plate removed is collected, the back plate is removed firstly on the premise that waste gas and waste liquid are not generated, the photovoltaic component is favorably recycled by adopting a mechanical treatment method, and the environment is well protected. Due to the adoption of progressive material guiding, a better material guiding and flattening effect can be realized, the device can be used for removing the back plates of the retired photovoltaic modules with different specifications, warping or flat states, and the removal and recovery compatibility of the device to the back plates of the photovoltaic modules in various special states is widened.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (10)
1. The back plate removing device for the retired photovoltaic module is characterized by comprising a rack (1), a material conveying mechanism (2), a grinding mechanism (3) and a lifting mechanism (4), wherein the material conveying mechanism (2) is movably fixed on the rack (1) along the vertical direction and is used for bearing and conveying the retired photovoltaic module (P); grinding mechanism (3) elevating system (4) are fixed respectively material conveying mechanism's (2) top, below, elevating system (4) with material conveying mechanism's (2) bottom is connected and is followed vertical direction and move material conveying mechanism (2), grinding mechanism (3) with material conveying mechanism (2) interval sets up, be used for after material conveying mechanism (2) rebound with the decommissioning photovoltaic module (P) contact on material conveying mechanism (2) surface to the grinding is located the backplate of decommissioning photovoltaic module (P) upper surface.
2. The back plate removing device for the decommissioned photovoltaic modules according to claim 1, further comprising a material guiding and pressing mechanism (5), wherein the material guiding and pressing mechanism (5) comprises two material guiding roller frames (51) fixed on two opposite sides of the rack (1) and a material guiding roller (52) rotatably arranged between the two material guiding roller frames (51), and the material guiding roller (52) is suspended above the material conveying mechanism (2) and is used for cooperating with the material conveying mechanism (2) to roll and press the decommissioned photovoltaic modules (P) when the decommissioned photovoltaic modules (P) pass through.
3. The back plate removing device for retired photovoltaic modules according to claim 2, wherein at least two grinding mechanisms (3) are arranged at intervals along the conveying direction of the retired photovoltaic modules (P), and one material guiding and pressing mechanism (5) is arranged between at least two grinding mechanisms (3).
4. The removal device for back sheets of decommissioned photovoltaic modules according to claim 3, wherein at least one material guiding and pressing mechanism (5) is located upstream of all the grinding mechanisms (3) in the transport direction of the decommissioned photovoltaic modules (P).
5. The backboard removing device for retired photovoltaic modules according to claim 2, wherein the material guiding and pressing mechanism (5) further comprises a pressing plate (53), the pressing plate (53) is fixed between the two material guiding roller frames (51) and is arranged at a distance from the material conveying mechanism (2) below, and the bottom surface of the pressing plate (53) is higher than the bottom surface of the material guiding roller (52).
6. The back plate removing device for the retired photovoltaic module according to claim 5, wherein the pressure plate (53) is provided with a plurality of clearance holes (530) for powder on the surface of the back plate to enter.
7. The removal device for back sheets of decommissioned photovoltaic modules according to claim 6, wherein the press plate (53) is located downstream of the guide roll (52) in the transport direction of the decommissioned photovoltaic modules (P).
8. The back plate removing device for the decommissioned photovoltaic modules according to claim 2, further comprising a pre-pressing mechanism (6), wherein the pre-pressing mechanism (6) comprises at least two pressing rollers (61), the pressing rollers (61) are spaced from the material conveying mechanism (2) below, and the distance from the pressing roller (61) located at the most upstream of the delivery direction of the decommissioned photovoltaic modules (P) to the material conveying mechanism (2) is greater than the distance from another pressing roller (61) adjacent to the pressing roller to the material conveying mechanism (2).
9. The back plate removing device for the retired photovoltaic module according to any one of claims 1 to 8, further comprising a washing mechanism (7), wherein the washing mechanism (7) comprises a spray pipe (71), and the spray pipe (71) is suspended above the material conveying mechanism (2) and used for washing the retired photovoltaic module (P) when the grinding mechanism (3) works.
10. The back plate removal device for retired photovoltaic modules, according to claim 9, wherein the flushing mechanism (7) further comprises a collecting tank (72), a return pipe (73), and a return motor (74), the collecting tank (72) is disposed below the material conveying mechanism (2) to collect the flushing liquid flowing out of the spray pipe (71) and the back plate powder generated by grinding, and the return motor (74) is used for conveying the collected flushing liquid to the spray pipe (71) through the return pipe (73) for reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930410.1A CN112222978A (en) | 2020-09-07 | 2020-09-07 | Back plate removing device for retired photovoltaic module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930410.1A CN112222978A (en) | 2020-09-07 | 2020-09-07 | Back plate removing device for retired photovoltaic module |
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| Publication Number | Publication Date |
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| CN112222978A true CN112222978A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010930410.1A Pending CN112222978A (en) | 2020-09-07 | 2020-09-07 | Back plate removing device for retired photovoltaic module |
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| CN (1) | CN112222978A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734353A (en) * | 2022-04-08 | 2022-07-12 | 永臻科技股份有限公司 | Equipment and method for removing fluorine-containing layer of backboard |
| CN114952605A (en) * | 2022-06-07 | 2022-08-30 | 河南宏旺金属材料有限公司 | Stainless steel plate grinding machine and grinding method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091347A (en) * | 1993-05-14 | 1994-08-31 | 殷忠义 | Radial ceramic stone glazing machine |
| WO2013057035A1 (en) * | 2011-10-18 | 2013-04-25 | Compton S.R.L. | A method and machine to assist recycling of photovoltaic panels |
| CN207272942U (en) * | 2017-10-11 | 2018-04-27 | 青岛新凯德机械制造有限公司 | A kind of wet type amary tape grinding machine |
| CN108067497A (en) * | 2016-11-11 | 2018-05-25 | 韩国能源技术研究院 | The part provision for disengagement of photovoltaic module |
| CN207522294U (en) * | 2017-11-13 | 2018-06-22 | 苏州锃道研磨技术有限公司 | New wide long filament machine |
| CN213004224U (en) * | 2020-09-07 | 2021-04-20 | 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 | Back plate removing device for retired photovoltaic module |
-
2020
- 2020-09-07 CN CN202010930410.1A patent/CN112222978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091347A (en) * | 1993-05-14 | 1994-08-31 | 殷忠义 | Radial ceramic stone glazing machine |
| WO2013057035A1 (en) * | 2011-10-18 | 2013-04-25 | Compton S.R.L. | A method and machine to assist recycling of photovoltaic panels |
| CN108067497A (en) * | 2016-11-11 | 2018-05-25 | 韩国能源技术研究院 | The part provision for disengagement of photovoltaic module |
| CN207272942U (en) * | 2017-10-11 | 2018-04-27 | 青岛新凯德机械制造有限公司 | A kind of wet type amary tape grinding machine |
| CN207522294U (en) * | 2017-11-13 | 2018-06-22 | 苏州锃道研磨技术有限公司 | New wide long filament machine |
| CN213004224U (en) * | 2020-09-07 | 2021-04-20 | 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 | Back plate removing device for retired photovoltaic module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734353A (en) * | 2022-04-08 | 2022-07-12 | 永臻科技股份有限公司 | Equipment and method for removing fluorine-containing layer of backboard |
| CN114952605A (en) * | 2022-06-07 | 2022-08-30 | 河南宏旺金属材料有限公司 | Stainless steel plate grinding machine and grinding method |
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