阅读说明：本技术 光伏组件的分离回收装置及分离回收方法 (Separation and recovery device and separation and recovery method for photovoltaic module ) 是由 郑璐 何银凤 张占升 韩金豆 牛力同 于 2021-10-14 设计创作，主要内容包括：本发明公开了一种光伏组件的分离回收装置及分离回收方法,所述分离回收装置包括第一传送机构、剥离机构、第二传送机构和挤压剪切机构,所述第一传送机构用于将加热后包含玻璃板和EVA胶层的光伏组件传送至所述剥离机构,所述剥离机构用于剥离所述玻璃板上的EVA胶层,所述第二传送机构用于将剥离了EVA胶层之后的玻璃板传送出,所述挤压剪切机构用于将剥离的EVA胶层剪切为预定大小的碎片。本发明提供的分离回收装置及分离回收方法,通过机械分离的方式分离出完整的玻璃板,使得玻璃板能够重复利用,降低成本；另外,首先分离出玻璃板再将包含硅电池片的EVA胶层碎片化处理,由此降低了后续对于碎片中的硅、银、铝等材料的回收工艺的难度。(The invention discloses a separation and recovery device and a separation and recovery method of a photovoltaic assembly, wherein the separation and recovery device comprises a first conveying mechanism, a stripping mechanism, a second conveying mechanism and an extrusion shearing mechanism, the first conveying mechanism is used for conveying the heated photovoltaic assembly containing a glass plate and an EVA (ethylene vinyl acetate) adhesive layer to the stripping mechanism, the stripping mechanism is used for stripping the EVA adhesive layer on the glass plate, the second conveying mechanism is used for conveying the glass plate after the EVA adhesive layer is stripped, and the extrusion shearing mechanism is used for shearing the stripped EVA adhesive layer into fragments with a preset size. According to the separation and recovery device and the separation and recovery method, the complete glass plate is separated in a mechanical separation mode, so that the glass plate can be recycled, and the cost is reduced; in addition, the glass plate is separated firstly, and then the EVA adhesive layer containing the silicon battery piece is subjected to fragmentation treatment, so that the difficulty of the subsequent recovery process of materials such as silicon, silver, aluminum and the like in the fragments is reduced.)

1. The device for separating and recycling the photovoltaic modules is characterized by comprising a first conveying mechanism (1), a stripping mechanism (2), a second conveying mechanism (3) and an extrusion shearing mechanism (10), wherein the first conveying mechanism (1) is used for conveying the photovoltaic modules (4) comprising glass plates (41) and EVA adhesive layers (42) to the stripping mechanism (2), the stripping mechanism (2) is used for stripping the EVA adhesive layers (42) on the glass plates (41), the second conveying mechanism (3) is used for conveying out the glass plates (41) after the EVA adhesive layers (42) are stripped, and the extrusion shearing mechanism (10) is used for shearing the stripped EVA adhesive layers (42) into fragments with preset sizes;

the peeling mechanism (2) comprises a positioning roller (5) and a plurality of pneumatic cutters (6), the pneumatic cutters (6) are arranged along the direction perpendicular to the advancing direction of the photovoltaic module (4), and the positioning roller (5) is positioned above the pneumatic cutters (6); when the photovoltaic module (4) is conveyed to the peeling mechanism (2), the positioning roller (5) guides the photovoltaic module (4) to the second conveying mechanism (3) and presses towards the plurality of pneumatic cutters (6), the plurality of pneumatic cutters (6) exert force on the surface of the glass plate (41) and scrape the EVA adhesive layer (42) on the surface of the glass plate (41) along with the advancing of the photovoltaic module (4);

wherein, extrusion shearing mechanism (10) is including extrusion conveying roller (11) and the pneumatic sword (12) of cuting that set gradually, extrusion conveying roller (11) will by EVA glue film (42) that peeling off of peeling means (2) convey to pneumatic sword (12) of cuting, pneumatic sword (12) will EVA glue film (42) are sheared the piece of predetermined size.

2. The separation and recovery device according to claim 1, wherein the pneumatic cutter (6) comprises a cutter (61), a spring (62), a cylinder push block (63), a floating threaded joint (64), a cylinder (65) and a base (66); the cutting knife (61) is elastically connected with the air cylinder pushing block (63) through the spring (62), the air cylinder pushing block (63) is in floating connection with the air cylinder (65) through the floating threaded joint (64), and the air cylinder (65) is fixedly connected to the base (66).

3. The separation and recovery device according to claim 2, wherein the pneumatic cutter (6) is further provided with a baffle (67), the baffle (67) is fixedly connected to the base (66), a screw rod slider assembly (68) is arranged on the baffle (67), and the cutter (61) is connected to the screw rod slider assembly (68).

4. A separation and recovery device according to claim 3, characterised in that said pneumatic cutter (6) is further provided with ribs (69), said ribs (69) connecting said baffle (67) and said chassis (66).

5. The separation and recovery device according to claim 2, wherein the width of the cutting knife (61) is 8cm to 16 cm.

6. The separation and recovery device according to any one of claims 1 to 5, wherein the stripping mechanism (2) is further provided with a mounting base (7), the plurality of pneumatic cutters (6) are assembled on the mounting base (7), the plurality of pneumatic cutters (6) are arranged on the mounting base (7) in two rows, the pneumatic cutters (6) in the same row are sequentially arranged along the left-right direction of the base (66), and the pneumatic cutters (6) in different rows are staggered along the front-back direction of the base (66).

7. The separation and recovery device according to claim 1, characterized in that the first conveying means (1) and the second conveying means (3) are each a pair-roller conveying means.

8. The separation and recovery device according to claim 1, further comprising a heating mechanism (8), wherein the heating mechanism (8) is used for heating the photovoltaic module (4) before being sent to the first conveying mechanism (1) so as to soften the EVA adhesive layer (42).

9. A method for separating and recycling a photovoltaic module, which comprises the steps of using the separation and recycling device according to any one of claims 1 to 8:

dismantling the frame and the back plate on the photovoltaic module (4) by adopting mechanical separation, so that the dismantled photovoltaic module (4) comprises a glass plate (41) and an EVA adhesive layer (42) connected to the glass plate (41);

heating a photovoltaic module (4) comprising a glass plate (41) and an EVA glue layer (42) to soften the EVA glue layer (42);

transferring the photovoltaic module (4) comprising the glass plate (41) and the EVA glue layer (42) to the peeling mechanism (2) by the first transfer mechanism (1);

scraping the EVA adhesive layer (42) on the surface of the glass plate (41) by a stripping mechanism (2);

conveying the glass plate (41) with the EVA adhesive layer (42) peeled off by the second conveying mechanism (3), and recovering to obtain a complete glass plate (41);

the EVA adhesive layer (42) scraped by the stripping mechanism (2) is fed into the extrusion shearing mechanism (10), and the extrusion shearing mechanism (10) shears the EVA adhesive layer (42) into fragments with preset sizes.

10. The separation and recovery method according to claim 9, wherein in the step of heating to soften the EVA adhesive layer (42), the heating temperature is 120-200 ℃; the conveying speed of the first conveying mechanism (1) is 0.2-0.8 m/s.

Technical Field

The invention belongs to the technical field of photovoltaic module recovery, and particularly relates to a photovoltaic module separation and recovery device and a photovoltaic module separation and recovery method.

Background

The photovoltaic industry has rapidly developed as a clean, renewable energy source. The photovoltaic module mainly comprises a glass plate, an EVA (ethylene vinyl acetate) adhesive layer, a battery piece, a back plate, a junction box, a frame and the like, wherein more than nine materials can be recycled, and the photovoltaic module has considerable recycling value and higher economic profit. Therefore, the photovoltaic module material after the service life is reached is recycled, the problem of shortage of raw materials of photovoltaic devices can be relieved to a certain extent, and the pollution to the environment can be avoided.

Chinese patent application (publication number: CN102544239A) discloses a method for decomposing and recycling a photovoltaic module, which comprises the following steps: step 01) dismantling a frame and a junction box on the photovoltaic module to obtain a photovoltaic cell; step 02) shearing the photovoltaic cells to obtain photovoltaic cell fragments; step 03) extruding and shearing the photovoltaic cell fragments to obtain photovoltaic cell particles; step 04) stripping the glass panel layer on the photovoltaic cell particles to obtain glass panel particles and bonding material particles comprising a back plate layer, an EVA film layer and a silicon cell layer, and separating the glass panel particles and the bonding material particles; step 05) grinding the bonding material particles in a low-temperature environment to obtain mixed particles comprising silicon particles, back plate particles and EVA particles; and step 06) screening the mixed particles to respectively obtain silicon particles, back plate particles and EVA particles. In the recovery method: on one hand, the glass plate in the photovoltaic module is crushed and can not be reused; on the other hand, the glass particles obtained by crushing the glass plate are mixed with other particles (such as silicon particles, back sheet particles and EVA particles), and the recovery process is complicated and difficult, and the industrialization condition is poor.

Disclosure of Invention

In view of the defects in the prior art, the invention provides a separation and recovery device and a separation and recovery method for a photovoltaic module, so as to reduce the difficulty of the recovery process of the photovoltaic module and enable a glass plate to be recycled.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention firstly provides a separation and recovery device of a photovoltaic module, which comprises a first conveying mechanism, a stripping mechanism, a second conveying mechanism and an extrusion shearing mechanism, wherein the first conveying mechanism is used for conveying the photovoltaic module containing a glass plate and an EVA (ethylene vinyl acetate) adhesive layer to the stripping mechanism, the stripping mechanism is used for stripping the EVA adhesive layer on the glass plate, the second conveying mechanism is used for conveying the glass plate after the EVA adhesive layer is stripped, and the extrusion shearing mechanism is used for shearing the stripped EVA adhesive layer into fragments with preset sizes;

the stripping mechanism comprises a positioning roller and a plurality of pneumatic cutters, the pneumatic cutters are arranged along the advancing direction perpendicular to the photovoltaic assembly, and the positioning roller is positioned above the pneumatic cutters; when the photovoltaic module is conveyed to the stripping mechanism, the positioning roller guides the photovoltaic module to the second conveying mechanism and presses the photovoltaic module towards the plurality of pneumatic cutters, and the plurality of pneumatic cutters apply acting force to the surface of the glass plate and scrape the EVA adhesive layer on the surface of the glass plate along with the advancing of the photovoltaic module;

the extrusion shearing mechanism comprises an extrusion conveying roller and a pneumatic shearing knife which are sequentially arranged, the extrusion conveying roller conveys the EVA adhesive layer stripped by the stripping mechanism to the pneumatic shearing knife, and the pneumatic shearing knife shears the EVA adhesive layer into fragments with preset sizes.

Preferably, the pneumatic cutter comprises a cutter, a spring, a cylinder push block, a floating threaded joint, a cylinder and a base; the cutter is elastically connected with the air cylinder pushing block through the spring, the air cylinder pushing block is connected with the air cylinder in a floating mode through the floating threaded connector, and the air cylinder is fixedly connected to the base.

Preferably, the pneumatic cutter is further provided with a baffle, the baffle is fixedly connected to the base, a screw rod sliding block assembly is arranged on the baffle, and the cutter is connected to the screw rod sliding block assembly.

Preferably, the pneumatic cutter is further provided with a rib plate, and the rib plate is connected with the baffle and the chassis.

Preferably, the width of the cutting knife is 8 cm-16 cm.

Preferably, the peeling mechanism is further provided with a mounting base, the plurality of pneumatic cutters are assembled on the mounting base, the plurality of pneumatic cutters are arranged on the mounting base in two rows, the pneumatic cutters in the same row are sequentially arranged along the left and right directions of the base, and the pneumatic cutters in different rows are staggered along the front and back directions of the base.

Preferably, the first conveying mechanism and the second conveying mechanism are a pair-roller conveying mechanism respectively.

Preferably, the separating device further comprises a heating mechanism, and the heating mechanism is used for heating the photovoltaic module before being sent into the first conveying mechanism so as to soften the EVA adhesive layer.

The invention also provides a separation and recovery method of the photovoltaic module, wherein the separation and recovery device is adopted, and the separation and recovery method comprises the following steps:

dismantling a frame and a back plate on the photovoltaic module by adopting mechanical separation, so that the dismantled photovoltaic module comprises a glass plate and an EVA adhesive layer connected to the glass plate;

heating a photovoltaic module comprising a glass plate and an EVA adhesive layer to soften the EVA adhesive layer;

conveying the photovoltaic module comprising the glass plate and the EVA adhesive layer to the stripping mechanism by the first conveying mechanism;

scraping the EVA adhesive layer on the surface of the glass plate by a stripping mechanism;

conveying the glass plate after the EVA adhesive layer is peeled off by the second conveying mechanism, and recovering to obtain a complete glass plate;

the EVA glue layer scraped by the stripping mechanism is fed into the extrusion shearing mechanism, and the extrusion shearing mechanism shears the EVA glue layer into fragments with preset sizes.

In one embodiment, in the step of heating to soften the EVA adhesive layer, the heating temperature is 120 to 200 ℃; (ii) a The conveying speed of the first conveying mechanism is 0.2-0.8 m/s.

According to the separation and recovery device and the separation and recovery method of the photovoltaic assembly, the frame and the back plate on the photovoltaic assembly are detached through mechanical separation, the photovoltaic assembly comprising the glass plate and the EVA adhesive layer is heated to soften the EVA adhesive layer, the heated photovoltaic assembly is conveyed to the peeling mechanism through the first conveying mechanism, after the EVA adhesive layer on the glass plate is peeled through the peeling mechanism, the glass plate with the EVA adhesive layer peeled is conveyed out through the second conveying mechanism, and the complete glass plate is separated through the mechanical separation mode, so that the glass plate can be completely recovered and can be reused, and the cost is reduced. In addition, according to the invention, the back plate and the glass plate are firstly separated, and then the EVA adhesive layer containing the silicon battery piece is subjected to fragmentation treatment, so that fewer types of particles need to be further separated from the fragmentation material, and the difficulty of the subsequent recovery process of materials such as silicon, silver, aluminum and the like in the fragmentation is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a separation and recovery device provided in an embodiment of the present invention;

FIG. 2 is a schematic front view of a pneumatic cutter according to an embodiment of the present invention;

FIG. 3 is a schematic side view of a pneumatic cutter according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the arrangement of pneumatic cutters in the peeling mechanism provided in the embodiment of the present invention;

fig. 5 is a top view of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance therewith are exemplary only, and the invention is not limited to these embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the attached drawings, and other details not so relevant to the present invention are omitted.

The embodiment firstly provides a separation and recovery device of a photovoltaic module, as shown in fig. 1, the separation and recovery device comprises a first conveying mechanism 1, a peeling mechanism 2, a second conveying mechanism 3 and a squeezing and shearing mechanism 10. First transport mechanism 1 is used for conveying photovoltaic module 4 that contains glass board 41 and EVA glue film 42 to peeling mechanism 2, peeling mechanism 2 is used for peeling off EVA glue film 42 on the glass board 41, second transport mechanism 3 is used for conveying out glass board 41 after having peeled off EVA glue film 42, extrusion shearing mechanism 10 is used for shearing the EVA glue film 42 of peeling off into the piece of predetermined size.

The stripping mechanism 2 comprises a positioning roller 5 and a plurality of pneumatic cutters 6, the pneumatic cutters 6 are arranged along the direction perpendicular to the advancing direction of the photovoltaic module 4, and the positioning roller 5 is positioned above the pneumatic cutters 6; when the photovoltaic module 4 is conveyed to the peeling mechanism 2, the positioning roller 5 guides the photovoltaic module 4 to the second conveying mechanism 3 and presses the photovoltaic module 4 towards the plurality of pneumatic cutters 6, and the plurality of pneumatic cutters 6 apply force to the surface of the glass plate 41 and scrape off the EVA glue layer 42 on the surface of the glass plate 41 along with the advance of the photovoltaic module 4.

The extrusion shearing mechanism 10 comprises an extrusion conveying roller 11 and a pneumatic shearing knife 12 which are sequentially arranged, the extrusion conveying roller 11 conveys an EVA (ethylene vinyl acetate) adhesive layer 42 stripped by the stripping mechanism 2 to the pneumatic shearing knife 12, and the pneumatic shearing knife 12 shears the EVA adhesive layer 42 into fragments with preset sizes.

According to the separation device for separating the glass plate of the photovoltaic module, the photovoltaic module comprising the glass plate and the EVA adhesive layer after the backboard is detached is conveyed to the peeling mechanism by the first conveying mechanism, the EVA adhesive layer on the glass plate is peeled by the peeling mechanism, the glass plate with the EVA adhesive layer peeled is conveyed out by the second conveying mechanism, and the complete glass plate is separated in a mechanical separation mode, so that the glass plate can be completely recycled and can be reused, and the cost is reduced; in addition, the back plate and the glass plate are firstly separated, then the EVA adhesive layer containing the silicon battery piece is subjected to fragmentation treatment, and the types of particles required to be further separated from the fragmentation material are fewer, so that the difficulty of the subsequent recovery process of materials such as silicon, silver, aluminum and the like in the fragments is reduced. It should be noted that the silicon cell sheet of the photovoltaic module is wrapped in the EVA adhesive layer, and when the EVA adhesive layer is peeled off by a pneumatic cutter, the silicon cell sheet therein is peeled off together with the EVA adhesive layer.

Preferably, in this embodiment, as shown in fig. 2, the pneumatic cutter 6 includes a cutter 61, a spring 62, a cylinder push block 63, a floating threaded joint 64, a cylinder 65, and a base 66. The cutting knife 61 is elastically connected with the cylinder pushing block 63 through the spring 62, the cylinder pushing block 63 is in floating connection with the cylinder 65 through the floating threaded joint 64, and the cylinder 65 is fixedly connected to the base 66. When the pneumatic cutter 6 works, the air cylinder 65 can push the air cylinder push block 63 through the floating threaded joint 64 to exert an upward pressure effect on the spring 62, so that the cutter 61 is driven to scrape the EVA adhesive layer 42 on the surface of the glass plate 41. Wherein, the screwed joint 64 that floats can improve cylinder 65 and cylinder ejector pad 63 axiality, the thrust that keeps stable prevents simultaneously the damage of cylinder 65 sealing washer prolongs the life-span of cylinder 65.

Preferably, in this embodiment, as shown in fig. 3, the pneumatic cutting knife 6 is further provided with a baffle 67, the baffle 67 is fixedly connected to the base 66, a screw rod slider assembly 68 is arranged on the baffle 67, the cutting knife 61 is connected to the screw rod slider assembly 68, the baffle 67 can limit the horizontal movement of the cutting knife 61, and the screw rod slider assembly 68 limits the movement of the cutting knife 61 in the vertical direction, so as to reduce the sliding friction of the cutting knife 61 in the vertical direction.

Preferably, in this embodiment, as shown in fig. 3, the pneumatic cutter 6 is further provided with a rib 69, and the rib 69 is connected to the baffle 67 and the bottom plate 66 to reinforce the fixing function of the baffle 67.

Preferably, in this embodiment, as shown in fig. 2, the width D of the cutting knife 61 is 8cm to 16cm, for example, 8cm, 10cm, 12cm, 15cm or 16 cm. When the cutting edge of the cutting knife 61 cuts into the EVA glue layer 42 on the end face of the glass plate 41, each cutting knife 61 scrapes off a strip-shaped EVA glue strip (the width of which is the same as that of the cutting knife 61) along with the travel of the photovoltaic module 4. Therefore, the EVA glue layer 42 peeled off by the peeling mechanism 2 is a long EVA glue strip with a certain width, the long EVA glue strip is sent to the extrusion cutting mechanism 10 to be cut, the long EVA glue strip is cut into pieces with a predetermined size by controlling the cutting frequency of the extrusion cutting mechanism 10, the width of the EVA glue pieces is the same as the width of the cutter 61, and the length is determined by the cutting frequency of the extrusion cutting mechanism 10.

As a preferable scheme, in this embodiment, as shown in fig. 1, 4 and 5, the peeling mechanism 2 is further provided with a mounting base 7, and the plurality of pneumatic cutters 6 are assembled on the mounting base 7, wherein fig. 4 is a front schematic view of an arrangement structure of the plurality of pneumatic cutters 6, fig. 5 is a top view corresponding to fig. 4, and fig. 5 only illustrates an arrangement structure of the cutters 61 of the plurality of pneumatic cutters 6.

Specifically, the plurality of pneumatic cutters 6 are arranged on the mounting base 7 in two rows along a direction (e.g., Y direction in fig. 1) perpendicular to a traveling direction (e.g., X direction in fig. 1) of the photovoltaic module 4, the pneumatic cutters 6 in the same row are sequentially arranged along a left-right direction (e.g., Y direction in fig. 1) of the base, and the pneumatic cutters 6 in different rows are staggered along a front-back direction (e.g., X direction in fig. 1) of the base.

Referring to fig. 4 and 5, due to the reasons of mutual interference of the assembly structures, when the pneumatic cutters 6 in the same row are sequentially arranged along the left and right direction of the base, gaps are formed between the cutters 61 of the adjacent pneumatic cutters 6, so that the pneumatic cutters 601 in the previous row and the pneumatic cutters 602 in the next row are arranged in a staggered manner, gaps are formed between the adjacent two cutters 61 of the pneumatic cutters 601 in the previous row corresponding to the pneumatic cutters 602 in the next row, and correspondingly, gaps are formed between the cutters 61 of the pneumatic cutters 602 in the next row corresponding to the adjacent two cutters 61 of the pneumatic cutters 601 in the previous row. Therefore, the projections of the two rows of pneumatic cutters on the Z-Y plane are a continuous straight line, and when the photovoltaic module 4 is conveyed to the peeling mechanism 2 along the X direction, the peeling mechanism 2 can completely scrape the EVA adhesive layer 42 on the glass plate 41.

Preferably, in this embodiment, as shown in fig. 1, the first conveying mechanism 1 and the second conveying mechanism 3 are respectively a pair-roller conveying mechanism, and the pair-roller conveying mechanism can smoothly convey the photovoltaic module 4 to be peeled and the glass plate 41 from which the EVA glue layer 42 is peeled.

Preferably, in this embodiment, as shown in fig. 1, the separation device further includes a heating mechanism 8, where the heating mechanism 8 is configured to heat the photovoltaic module 4 before being sent to the first conveying mechanism 1, so as to soften the EVA glue layer 42, which is beneficial for the subsequent peeling mechanism 2 to scrape off the EVA glue layer 42 on the surface of the glass plate 41.

Based on the above separation device apparatus, an embodiment of the present invention further provides a separation and recovery method for a photovoltaic module, and with reference to fig. 1, the separation and recovery method includes the following steps:

and S10, detaching the frame and the back plate on the photovoltaic module by adopting mechanical separation, so that the detached photovoltaic module 4 comprises a glass plate 41 and an EVA adhesive layer 42 connected on the glass plate 41.

S20, heating the photovoltaic module comprising the glass plate 41 and the EVA adhesive layer 42 to soften the EVA adhesive layer 42. In the preferred embodiment, when the heating temperature is 120-200 ℃, the EVA adhesive layer 42 can be ensured to soften to reach the optimal peeling state, and the EVA adhesive layer 42 on the glass plate 41 can be ensured to be scraped off cleanly.

S30, transferring the photovoltaic module 4 comprising the glass plate 41 and the EVA glue layer 42 to the peeling mechanism 2 by the first transfer mechanism 1. In a preferred embodiment, when the conveying speed is 0.2m/s to 0.8m/s, the peeling mechanism 2 can achieve a good peeling effect of the EVA adhesive layer 42.

And S40, scraping the EVA adhesive layer 42 on the surface of the glass plate 41 by the stripping mechanism 2.

And S50, conveying the glass plate 41 with the EVA adhesive layer 42 peeled off by the second conveying mechanism 3, and recovering to obtain the complete glass plate 41. Thereby making it possible to reuse the glass plate 41 again.

S60, feeding the EVA adhesive layer 42 scraped by the peeling mechanism 2 into the extrusion shearing mechanism 10, and shearing the EVA adhesive layer 42 into fragments with preset sizes by the extrusion shearing mechanism 10.

As described above, the EVA film 42 peeled by the peeling mechanism 2 is a long EVA tape having a certain width, and the width of the long EVA tape is determined by the width of the cutter 61 of the pneumatic cutter 6 used. The long-strip-shaped EVA adhesive tape is sent into the extrusion shearing mechanism 10 for shearing, and the shearing frequency of the extrusion shearing mechanism 10 is controlled to control the length of the sheared fragments.

For example, in one embodiment, the pneumatic cutter 6 is used such that the cutter 61 has a width of 8cm and the cutting length is 50mm by controlling the cutting frequency of the pinch-cutting mechanism 10 such that the size of the finally cut pieces is 50mm × 80 mm; in another embodiment, the cutting blade 61 of the pneumatic cutting blade 6 is 10cm wide, and the cutting length is 80mm by controlling the cutting frequency of the extrusion cutting mechanism 10, so that the size of the finally cut fragment is 80mm × 100 mm; in another embodiment, the pneumatic cutter 6 is used such that the cutter 61 has a width of 15cm and the final cut piece has a size of 100mm × 150mm by controlling the cutting frequency of the extrusion cutting mechanism 10 to have a cutting length of 100 mm.

For the fragments (including the EVA gel silicon cell material) cut into predetermined size by the extrusion cutting mechanism 10, the existing recovery method in the prior art is further used to recycle the silicon, silver, aluminum and other materials in the fragments.

In summary, the present invention provides a separation and recovery apparatus and a separation and recovery method for a photovoltaic module, wherein the separation and recovery apparatus comprises: on one hand, the complete glass plate is separated from the photovoltaic module in a mechanical separation mode, so that the glass plate can be completely recycled and can be reused, and the cost is reduced; on the other hand, the back plate and the glass plate are separated firstly, and then the EVA adhesive layer containing the silicon battery piece is subjected to fragmentation treatment, so that fewer types of particles need to be further separated from the fragmentation material, and the difficulty of the subsequent recovery process of materials such as silicon, silver, aluminum and the like in the fragmentation is reduced.

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.