Recovery equipment for chemical waste silicon materials

Abstract

The invention relates to the technical field of silicon material treatment equipment, in particular to chemical waste silicon material recycling equipment which comprises a support, a box body, a placing frame, a bearing plate, a first electric sliding rail and the like. A box body is mounted on the bracket; an electric sliding rail I is mounted on the bracket; the first electric sliding rail is in sliding connection with a sliding block. A slide block on the electric slide rail I is connected with a placement frame, and the placement frame is positioned in the box body; a plurality of placing grooves which are vertically arranged at equal intervals are formed in the placing frame, and a bearing plate is jointly placed in every two placing grooves with the same height; and a spray head is arranged on the bearing plate. According to the invention, the suction holes and the micro air pump are arranged on the bearing plate, and the silicon cell panel is firmly fixed on the bearing plate by utilizing negative pressure, so that the problem that the silicon cell panel slips or is accumulated due to the too small distance between the adjacent bearing plates in the transfer process is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of silicon material processing equipment, and in particular to a recycling device for chemical waste silicon material. Background Art

[0002] In the recycling process of solar photovoltaic panels, silicon panels are core components, and their main raw material is silicon. However, the structure of photovoltaic panels is complex, and silicon panels are usually fixed to the glass surface layer and aluminum back panel through EVA glue. During the recycling process, the aluminum back panel needs to be removed first, and then the glass surface layer is removed by grinding equipment. However, there is a significant problem with this process: EVA glue will still remain on the silicon panel after the glass surface layer and aluminum back panel are removed. When the silicon panel enters the crushing stage, the heat generated by the crushing equipment will make the EVA glue sticky due to the heat, causing the silicon panel to adhere to the crushing equipment, increasing the difficulty of cleaning and affecting the crushing effect. Therefore, the EVA film must be removed before the silicon panel is crushed.

[0003] In the process of removing the EVA film, the organic solvent soaking method is usually adopted. However, the platform spacing for placing the silicon solar panels is small, and the silicon solar panels themselves may bend and warp after removing the backplane and glass panel. When workers place the silicon solar panels on the platform, they drive the silicon solar panels into the placement frame through the platform. During this process, the adjacent placement platform may hinder the silicon solar panels, causing them to slide directly from the placement platform. This problem not only affects the recycling efficiency, but may also cause damage to the silicon solar panels, increasing the recycling cost. Summary of the invention

[0004] In order to overcome the disadvantage that when a silicon solar panel is placed on a platform, an adjacent placement platform may hinder the silicon solar panel and cause it to slide directly from the placement platform, the present invention provides a recycling device for chemical waste silicon materials.

[0005] Technical solution: A recycling device for chemical waste silicon materials, including a bracket and a box body; the box body is installed on the bracket; a water inlet is provided on the box body; it also includes a placement rack, a support plate, an electric slide rail 1, an electric slide rail 2 and an electric push rod; the electric slide rail 1 is installed on the bracket; a slider is slidably connected to the electric slide rail 1; the slider on the electric slide rail 1 is connected to the placement rack, and the placement rack is located in the box body; the placement rack is provided with a plurality of placement slots arranged vertically equidistantly, and a support plate is placed in every two placement slots of the same height; a nozzle is provided on the support plate; a micro air pump is provided on the support plate; the electric slide rail 2 is installed on the bracket; a slider is slidably connected to the electric slide rail 2; a plurality of electric push rods are installed on the slider on the electric slide rail 2; a locking structure is provided on the support plate.

[0006] More preferably, suction holes are provided on the upper side and the lower side of the support plate, and a water pump is provided on the support plate; the suction holes are connected to the water pump through a pipeline.

[0007] More preferably, the locking structure includes a spring bead; a blocking block is installed at the output end of each electric push rod; a blocking hole is provided on each supporting plate, and a spring bead is arranged in the blocking hole; a blocking groove adapted to the spring bead is provided on the blocking block on the electric push rod; a stopper is provided in the placement groove close to the electric push rod side on each placement rack; and a wedge block is connected to the placement groove away from the electric push rod side on each placement rack through a spring.

[0008] More preferably, it also includes filtering equipment, guide plates, control rods, spring rods and plug rods; a plurality of spring rods are arranged inside the box; a connecting groove is opened on the box; control rods are arranged at the four corners of the box; a plurality of guide plates for preventing the silicon solar panel from sliding off the supporting plate are arranged in the box; all guide plates on adjacent sides are connected to adjacent control rods; the output ends of the spring rods are connected to adjacent control rods; a filtering equipment for filtering impurities in the organic solvent is arranged inside the box; and plug rods are arranged on the box.

[0009] More preferably, a guide hole is provided on the guide plate; a slot is provided on the box body; and the insertion rod is located in the slot.

[0010] More preferably, both the inlet and outlet sides of the support plate are inclined.

[0011] More preferably, the four corners of the box are chamfered.

[0012] More preferably, the supporting plate, the placing rack and other parts are sprayed with an anti-corrosion coating.

[0013] More preferably, each supporting plate is provided with a through hole.

[0014] More preferably, a rubber layer is provided on the upper side of the insertion rod.

[0015] The beneficial effects of the present invention are as follows: In the technical solution provided by the present invention: the present invention arranges suction holes and a micro air pump on the support plate, and utilizes negative pressure to firmly fix the silicon solar cell panels on the support plate, thereby avoiding the problem of silicon solar cell panels slipping or piling up during transportation due to the small distance between adjacent support plates.

[0016] During the immersion process of the silicon solar panel, the organic solvent is sprayed out through the nozzle, and the water pressure is used to separate the silicon solar panel from the supporting plate. At the same time, the silicon solar panel is flushed to ensure that the organic solvent can fully contact the EVA film and improve the dissolution effect of the film.

[0017] By using structures such as guide plates, control rods and spring rods, the gaps between adjacent supporting plates are blocked to prevent silicon solar panels from sliding out or stacking during the separation process, further optimizing the operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a chemical waste silicon material recovery device of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the bracket, the first electric slide rail, the second electric slide rail and the electric push rod of the present invention; Figure 3 It is a schematic diagram of the box, the placement rack and the combined three-dimensional structure of the present invention; Figure 4 It is a schematic diagram of the combined three-dimensional structure of the placement rack and the supporting plate of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the supporting plate of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the support plate, the nozzle, the suction hole and the through hole combination of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the box body and the guide plate combination of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the box body, guide plate, control rod, plug rod and water inlet combination of the present invention; Fig. 9 For the present invention Figure 8 A magnified image of the area at A; Fig.10 It is a schematic diagram of the three-dimensional structure of the guide plate and the control rod combination of the present invention; Fig.11 It is a schematic diagram of the three-dimensional structure of the box body, the guide plate and the connecting groove combination of the present invention; Fig.12 It is a schematic diagram of the combined three-dimensional structure of the placement rack, the supporting plate, the electric push rod, the spring clamping bead and the clamping hole of the present invention.

[0019] Among them, the above-mentioned drawings include the following figure marks: 1-bracket, 2-box, 3-placing rack, 4-support plate, 101-electric slide rail one, 102-electric slide rail two, 103-electric push rod, 104-filtering device, 106-block, 201-guide plate, 202-control rod, 203-spring rod, 204-insertion rod, 301-spring card bead, 1001-water inlet, 2003-connecting groove, 2005-slot, 4001-nozzle, 4002-suction hole, 4003-through hole, 4004-card hole. DETAILED DESCRIPTION

[0020] Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as first or second are merely exemplary and are not intended to limit the scope of the present invention in any way. Example 1

[0021] like Figure 1-Figure 12 As shown, a chemical waste silicon material recovery device includes a support 1 and a box 2; the box 2 is installed on the support 1; and a water inlet 1001 is opened on the box 2; It also includes a placement rack 3, a supporting plate 4, an electric slide rail 101, an electric slide rail 2 102 and an electric push rod 103; an electric slide rail 101 is installed on the bracket 1; a slider is slidably connected to the electric slide rail 101; the slider on the electric slide rail 101 is connected to the placement rack 3, and the placement rack 3 is located in the box 2; a plurality of placement slots arranged vertically equidistantly are provided on the placement rack 3, and a supporting plate 4 is placed in every two placement slots at the same height; a nozzle 4001 is provided on the supporting plate 4; the supporting plate 4 is provided with a micro air pump; an electric slide rail 2 102 is installed on the bracket 1; a slider is slidably connected to the electric slide rail 102; two electric push rods 103 are installed on the slider on the electric slide rail 2 102; a locking structure is provided on the supporting plate 4.

[0022] Suction holes 4002 are provided on the upper side and the lower side of the supporting plate 4 . A water pump is provided on the supporting plate 4 , and a battery is connected to the water pump. The suction hole 4002 is connected to the water pump through a pipeline.

[0023] The locking structure includes a spring bead 301; a block is installed at the output end of each electric push rod 103; a hole 4004 is provided on each supporting plate 4, and a spring bead 301 is arranged in the hole 4004; a slot adapted to the spring bead 301 is provided on the block on the electric push rod 103; a stopper 106 is arranged in the placement slot close to the electric push rod 103 on each placement rack 3; a wedge block is connected to the placement slot away from the electric push rod 103 on each placement rack 3 through a spring.

[0024] It also includes a filtering device 104, a guide plate 201, a control rod 202, a spring rod 203 and an insertion rod 204; a plurality of spring rods 203 are arranged inside the box body 2; a connecting groove 2003 is opened on the box body 2; control rods 202 are arranged at the four corners of the box body 2; a plurality of guide plates 201 are arranged in the box body 2; all guide plates 201 on adjacent sides are connected to adjacent control rods 202; the output ends of the spring rods 203 are connected to adjacent control rods 202; a filtering device 104 is arranged inside the box body 2; and an insertion rod 204 is arranged on the box body 2.

[0025] A guide hole is formed on the guide plate 201 ; a slot 2005 is formed on the box body 2 ; and the insertion rod 204 is located in the slot 2005 .

[0026] The feeding and discharging sides of the supporting plate 4 are both inclined to facilitate the subsequent removal of the silicon solar panel.

[0027] The four corners of the box 2 are chamfered to avoid scratching workers.

[0028] The supporting plate 4 and the placing frame 3 and other parts are sprayed with anti-corrosion coating to extend the service life of the equipment.

[0029] Each supporting plate 4 is provided with a through hole 4003 to facilitate the flow of the organic solvent.

[0030] A rubber layer is provided on the upper side of the insertion rod 204 to facilitate workers to hold and pull the control rod 202.

[0031] When the silicon solar panels enter the crushing stage, the heat generated by the crushing equipment will make the EVA glue remaining on the silicon solar panels sticky, causing the silicon solar panels to adhere to the crushing equipment, increasing the difficulty of cleaning and affecting the crushing effect. Therefore, the EVA film must be removed before the silicon solar panels are crushed.

[0032] When the present invention is in operation, the worker first transfers the silicon solar panel with the back plate and glass panel removed to the left side of the box body 2. The slider on the electric slide rail 2 102 located on the right side of the bracket 1 drives the electric push rod 103 connected thereto to move to the position as shown in FIG. Figure 1 At this time, the electric push rod 103 is in an initial standby state, ready for subsequent operations.

[0033] The slider on the electric slide rail 101 drives the rack 3 to move upward, and the rack 3 is completely removed from the box 2 until the bottom of the support plate 4 at the bottom of the rack 3 is flush with the upper opening of the box 2. At this time, the support plate 4 is in a horizontal and easy-to-operate position. The controller controls the electric push rod 103 to move leftward, pushing the support plate 4 to move leftward, so that it is completely removed from the rack 3. Figure 4The worker then lays the silicon solar panel flat on the support plate 4. Since the silicon solar panel has a certain flexibility and the distance between two adjacent support plates 4 on the placement rack 3 is small, when the support plate 4 moves from left to right to reset, the adjacent support plates 4 may prevent the silicon solar panel from entering the placement rack 3, causing the silicon solar panel to slide.

[0034] In order to avoid the above problems, the present invention is provided with a suction hole 4002 on the support plate 4, and a micro air pump is provided on the support plate 4, a battery is provided on the micro air pump, the micro air pump is connected to an external control system, the micro air pump is started by controlling the control system, the input port of the micro air pump is connected to the outside world, and a valve is provided at the input port. After the worker lays the silicon battery panel flat on the support plate 4, the micro air pump is used to evacuate the gas, and the gas enters through the suction hole 4002 on the support plate 4, forming a negative pressure, so that the silicon battery panel is close to the support plate 4, thereby firmly fixing the silicon battery panel on the support plate 4. After the silicon battery panel is firmly fixed on the support plate 4, the electric push rod 103 on the right side of the bracket 1 drives the support plate 4 to move to the right, so that it re-enters the placement rack 3. Since the silicon battery panel has been fixed by the suction hole 4002, even if there is a spacing limit between adjacent support plates 4, it will not hinder the smooth entry of the silicon battery panel, thereby effectively avoiding the problem of the silicon battery panel slipping; It should be noted that the micro air pump works when the worker places the silicon solar panel on the support plate 4, and the support plate 4 is reset by the electric push rod 103. When the placement rack 3 is completely placed in the box 2, the micro air pump stops working, and during the process of placing the placement rack 3 into the box 2, there is no organic solvent in the box 2.

[0035] The above-mentioned work of the present invention not only solves the problems of warping and bending of silicon solar panels that may occur during transportation, but also, in order to immerse more silicon solar panels in the same box 2, the distance between the two supporting plates 4 on the placement rack 3 is usually small, which causes the silicon solar panels to be directly blocked by the adjacent supporting plates 4 and directly slide off the supporting plates 4 when the supporting plates 4 drive the silicon solar panels to be placed in. It also improves the stability and safety of the operation and ensures the efficient implementation of the entire recycling process.

[0036] When workers place the silicon solar panel after removing the back plate and glass panel on the support plate 4, they use a micro air pump to suck air into the support plate 4 through the suction hole 4002, forming a negative pressure to firmly fix the silicon solar panel on the support plate 4. Then, the slider on the electric slide rail 101 drives the placement rack 3 to move downward, so that the adjacent support plate 4 is flush with the upper side of the box body 2. The supporting plate 4 is pushed to move to the left by the electric push rod 103, and the above operation is repeated until silicon solar panels are placed on all the supporting plates 4. During this process, the micro air pump on each supporting plate 4 continues to suck, forming a negative pressure to fix the silicon solar panels, so as to avoid the problem of stacking of silicon solar panels due to the small spacing between adjacent supporting plates 4 during the movement; the working principle of the electric push rod 103 pushing the supporting plate 4 is to drive the electric push rod 103 to approach the opening of the box body 2 through the slider on the electric slide rail 2 102, and then drive the placement rack 3 to move downward through the slider on the electric slide rail 101, and adjust the position of the placement rack 3 so that the position of the card hole 4004 on the lowermost supporting plate 4 of the placement rack 3 is at the same position as the card block on the electric push rod 103 The electric push rod 103 then drives the card block to be inserted into the card hole 4004 of the support plate 4 at the same horizontal position. During the insertion process, a spring wedge block is provided in the placement groove on the placement rack 3 away from the electric push rod 103. The spring wedge block supports the support plate 4, so that the electric push rod 103 drives the card block to be smoothly inserted into the card hole 4004 on the support plate 4. At this time, the spring card bead 301 in the card hole 4004 is stuck in the card groove on the card block of the electric push rod 103, so as to realize the pushing of the support plate 4 by the electric push rod 103. When the electric push rod 103 drives the support plate 4 with the silicon battery panel placed thereon to return to the placement rack 3, when the support plate 4 touches the stopper 106 in the placement groove on the placement rack 3, the support plate 4 is limited at this time, and then the electric push rod 103 continues to move to the left, and the card block can be pulled out of the card hole 4004.

[0037] Furthermore, when all the silicon solar panels are placed on the supporting plates 4, the placement rack 3 is located inside the box body 2, and the organic solvent is injected into the box body 2 through the water inlet 1001. When the organic solvent covers the uppermost supporting plate 4, the injection is stopped. Since the EVA film on the silicon solar panel may be sticky, it adheres to the supporting plate 4, affecting the contact effect between the subsequent organic solvent and the silicon solar panel. Therefore, after the organic solvent is injected, the organic solvent in the box body 2 is extracted by controlling the water pump on the support plate 4 to work, and the organic solvent is sprayed out through the nozzle 4001 to separate the silicon battery panel from the support plate 4, so as to avoid uneven contact between the organic solvent and the silicon battery panel in the future. When the silicon battery is separated from the support plate 4, in order to avoid the support plate 4 flowing out through the gap between two adjacent support plates 4 and accumulating in the box body 2, in order to avoid the accumulation of silicon battery panels during the separation process, the present invention is provided with a guide plate 201, a control rod 202, a spring rod 203 and a plug rod 204; before the organic solvent in the box body 2 is sprayed out through the nozzle 4001 by the water pump on the support plate 4 to separate the silicon battery panel from the support plate 4, the worker first inserts the plug rod 204 into the box body. The control rod 202 is pushed by the insertion rod 204 into the corresponding slot 2005 on the box body 2, and the guide plate 201 is driven to move toward the center of the box body 2 by the control rod 202. At this time, the spring rod 203 is in a contracted state, and the gap between the two adjacent supporting plates 4 is blocked by the guide plate 201 to prevent the silicon battery panel from sliding out of the gap between the two adjacent supporting plates 4 when the nozzle 4001 sprays organic solvent. At this time, the connecting groove 2003 is in a connected state, and a guide hole is opened on the guide plate 201. When the silicon battery panel is soaked, the worker takes the insertion rod 204 out of the slot 2005. At this time, the spring rod 203 drives the control rod 202 to extend and reset, and drives the control rod 202 and the guide plate 201 to be embedded in the connecting groove 2003. It should be noted that the box 2 is provided with a snap-in clamp, and the worker can just snap the plug rod 204 into the clamp. If the plug rod 204 is needed, the plug rod 204 can be pulled out from the snap-in clamp. The present invention sprays organic solvent through the nozzle 4001, uses water pressure to separate the silicon battery panel, and the organic solvent sprayed by the nozzle 4001 flushes the upper and lower sides of the silicon battery panel. The silicon battery panel is in a suspended state, and the flushing action of the nozzle 4001 can make the glass residue adhered to the silicon battery panel fall off, thereby ensuring that the organic solvent can fully contact the EVA film on the silicon battery panel. In addition, the tilted state of the silicon battery panel helps to accelerate the shedding of the EVA film during the flushing process. This design not only solves the problem of adhesion between the silicon battery panel and the supporting plate 4, but also ensures that the organic solvent can evenly contact the silicon battery panel, improves the dissolution effect of the EVA film, and provides a guarantee for the efficient recovery of the silicon battery panel.

[0038] During the dissolution process, glass residue may enter the organic solvent, causing the concentration of the organic solvent to change, thereby reducing the dissolution efficiency of the EVA film. In order to solve this problem, the present invention designs a set of organic solvent circulation and filtration system. A filtering device 104 is arranged on the lower side of the box 2, and the filtering device 104 can suck the organic solvent in the box 2 through the connecting groove 2003 opened on the box 2. The organic solvent enters the connecting groove 2003 through the guide hole on the guide plate 201, and then enters the inside of the filtering device 104 through the connecting groove 2003. After filtering, it returns to the box 2 from the bottom of the box 2. This process keeps the organic solvent in a circulating state at all times, avoiding the problem of solution stratification and uneven concentration caused by stillness, thereby ensuring that the organic solvent always maintains a consistent dissolution effect during the entire treatment process. In order to further optimize the circulation and filtration effect of the organic solvent, the present invention designs a guide plate 201. After the guide plate 201 is opened, it contacts the adjacent support plate 4, which can guide the organic solvent to flow more evenly through the surface of the silicon solar panel, further improving the dissolution efficiency of the EVA film. At the same time, the design of the guide plate 201 also helps to reduce the interference of glass residues on the organic solvent.

[0039] The technical principles of the embodiments of the present invention are described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present invention and cannot be interpreted in any way as limiting the protection scope of the embodiments of the present invention. Based on the explanations herein, those skilled in the art can think of other specific implementation methods of the embodiments of the present invention without creative work, and these methods will fall within the protection scope of the embodiments of the present invention.

Claims

1. A recycling device for chemical waste silicon material, comprising a support (1) and a box (2); the box (2) is mounted on the support (1); a water inlet (1001) is provided on the box (2); the characteristics are: The invention also comprises a placement rack (3), a supporting plate (4), an electric slide rail 1 (101), an electric slide rail 2 (102) and an electric push rod (103); the bracket (1) is provided with an electric slide rail 1 (101); a slider is slidably connected to the electric slide rail 1 (101); the slider on the electric slide rail 1 (101) is connected to the placement rack (3), and the placement rack (3) is located in the box body (2); the placement rack (3) is provided with a plurality of placement slots arranged at equal intervals in a vertical direction, and a supporting plate (4) is placed in every two placement slots at the same height; a nozzle (4001) is provided on the supporting plate (4); the supporting plate (4) is provided with a micro air pump; the bracket (1) is provided with an electric slide rail 2 (102); a slider is slidably connected to the electric slide rail 2 (102); a plurality of electric push rods (103) are installed on the slider on the electric slide rail 2 (102); and a locking structure is provided on the supporting plate (4).

2. A chemical waste silicon material recovery device according to claim 1, characterized in that: Suction holes (4002) are provided on the upper side and the lower side of the support plate (4), and a water pump is provided on the support plate (4); the suction holes (4002) are connected to the water pump via a pipeline.

3. A chemical waste silicon material recovery device according to claim 1, characterized in that: The locking structure comprises a spring clamping bead (301); a clamping block is installed at the output end of each electric push rod (103); a clamping hole (4004) is opened on each supporting plate (4), and a spring clamping bead (301) is arranged in the clamping hole (4004); a clamping groove adapted to the spring clamping bead (301) is opened on the clamping block on the electric push rod (103); a stopper (106) is arranged in the placement groove on the side close to the electric push rod (103) on each placement rack (3); and a wedge block is connected to the placement groove on the side away from the electric push rod (103) on each placement rack (3) via a spring.

4. A chemical waste silicon material recovery device according to claim 3, characterized in that: The invention also comprises a filtering device (104), a guide plate (201), a control rod (202), a spring rod (203) and an insertion rod (204); a plurality of spring rods (203) are arranged inside the box (2); a connecting groove (2003) is provided on the box (2); control rods (202) are arranged at four corners of the box (2); a plurality of guide plates (201) are arranged inside the box (2) for preventing the silicon solar cell panels from sliding off the supporting plate (4); all the guide plates (201) on adjacent sides are connected to adjacent control rods (202); the output ends of the spring rods (203) are connected to adjacent control rods (202); a filtering device (104) for filtering impurities in an organic solvent is arranged inside the box (2); and an insertion rod (204) is arranged on the box (2).

5. A chemical waste silicon material recovery device according to claim 4, characterized in that: A guide hole is provided on the guide plate (201); a slot (2005) is provided on the box body (2); and the insertion rod (204) is located in the slot (2005).

6. A chemical waste silicon material recovery device according to claim 4, characterized in that: The inlet and outlet sides of the support plate (4) are both inclined.

7. A chemical waste silicon material recovery device according to claim 5, characterized in that: The four corners of the box body (2) are chamfered.

8. A chemical waste silicon material recovery device according to claim 6, characterized in that: The supporting plate (4) and the placing frame (3) and other parts are sprayed with an anti-corrosion coating.

9. A chemical waste silicon material recovery device according to claim 8, characterized in that: Each supporting plate (4) is provided with a through hole (4003).

10. The chemical waste silicon material recovery equipment according to claim 5, characterized in that: A rubber layer is provided on the upper side of the insertion rod (204).

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