KR102399106B1 - System and method for separating waste solar panel - Google Patents

Abstract

A waste solar panel separation system (20) according to the present invention is for separating a waste solar panel (10) that includes tempered glass (11), an aluminum frame (12), an EVA (13), a solar cell (14), back sheet paper (15), and a junction box (16). The waste solar panel separation system (20) includes a separation unit (25), a removal unit (30), a crushing unit (35), a heat treatment unit (40), and a recovery unit (45).

Description

Waste solar panel separation system and method {System and method for separating waste solar panel}

The present invention relates to a waste solar panel separation system and method, and more particularly, to an aluminum frame and junction box separation process, a back sheet paper removal process, a solar cell and EVA grinding process, an EVA powder removal process through heat treatment, and silver, It relates to a waste photovoltaic panel separation system and method capable of separating and recycling waste photovoltaic panels through copper, tin, lead, polysilicon and aluminum separation and extraction processes.

The cumulative capacity of the world's solar power generation facilities exceeded 1GW in 2004 and is growing rapidly, exceeding 400GW in 2017. Globally, as the amount of solar power generation facilities installed is rapidly increasing, the size of the global solar power generation market is expected to continuously increase in the future.

In addition, the cumulative capacity of domestic solar power generation facilities is expected to grow rapidly to 41GW in 2030 and 135GW in 2050. In addition, as the 'Renewable Energy 3020 Implementation Plan' was in full swing in Korea, 1.34GW of solar power generation facilities were distributed in the first half of 2018 alone.

On the other hand, the cumulative generation of waste solar panels in the world is expected to reach 60 to 78 million tons in 2050, and the cumulative generation of waste solar panels in Asia, Europe and the United States is 3.5 million tons and 3 million tons in 2030, respectively. ton and is expected to reach 1 million tonnes.

In addition, the accumulated amount of waste solar panel generation in Korea is expected to increase rapidly from 2.5 to 150,000 tons in 2030 to 1.5 to 2.3 million tons in 2050.

In addition, after 2023, the Extended Producer Responsibility for waste solar panels is planned to be mandatory for domestic solar power generation companies.

Here, the producer-responsible recycling system is a system operated by the Korea Environment Corporation since 2003, and refers to a system in which the producer is responsible for the recycling of waste generated after the use of products or packaging materials.

On the other hand, the recycling method of waste solar panels includes recovery of waste solar panels, manual separation of aluminum frames, removal of backsheets and adhesives through high-temperature heat treatment in an oxidized state, and chemical treatment and washing of polysilicon such as acid treatment method. It proceeds in the order of pulverization, recovery of silver and copper, etc., growth of polysilicon crystals using ingots, and production of solar panels using recycled raw materials.

However, the existing recycling method of waste solar panels not only causes casualties and secondary environmental pollution due to leakage accidents of hydrochloric acid, sulfuric acid and hydrofluoric acid gas, but also has a low recovery rate of recycled raw materials for waste solar panels, There was a problem in that the processing cost of the waste solar panel increased.

In addition, in the existing recycling method for waste solar panels, the aluminum frame separation operation is performed manually, so it takes more than 30 minutes for each waste solar panel and, during the separation operation, strengthening of the waste solar panel Since the glass may be damaged, there is a problem in that it is difficult to recycle the tempered glass.

KR 10-2207445 B1

The present invention has been devised to solve the above problems, and an object of the present invention is to remove an aluminum frame and a junction box, a back sheet paper removal process, a solar cell and EVA grinding process, an EVA powder removal process through heat treatment, and silver , copper, tin, lead, polysilicon and aluminum to provide a waste solar panel separation system and method capable of separating and recycling waste solar panels through the separation and extraction process.

In order to solve the above technical problems, the waste solar panel separation system 20 according to the present invention is a tempered glass 11, an aluminum frame 12, an EVA (13), a solar cell 14, a bag For separating the waste solar panel 10 comprising the sheet paper 15 and the junction box 16 , the waste solar panel separation system 20 is separated from the tempered glass 11 by the aluminum frame ( 12), a separation unit 25 for separating the junction box 16 from the back sheet paper 15, and the back sheet paper from the waste solar panel 10 separated by the separation unit 25 The removal unit 30 for removing (15), the photovoltaic cell 14 and the EVA 13 from which the back sheet paper 15 has been removed by the removal unit 30 are pulverized in the form of powder, and inhaled The photovoltaic cell 14 and EVA (13) powder pulverized by the pulverizing unit 35, the pulverizing unit 35 is heated to a preset heat treatment temperature, and the photovoltaic cell 14 powder is removed from the A heat treatment unit 40 for removing the EVA (13) powder and a recovery unit for separating and extracting silver, copper, tin, polysilicon and aluminum from the photovoltaic cell 14 powder heated by the heat treatment unit 40 ( 45), wherein the removal part 30 is installed long in the left and right direction, and the frame part 51 provided with wheels 51a for movement on both lower sides, respectively, on the upper part of the frame part 51 The provided bogie driving unit 52, the bogie 53 moving in the left or right direction by the bogie driving unit 52, the blade driving unit 54 provided to be able to move repeatedly by a preset reference distance in the front and rear directions. , The ultrasonic oscillation unit 54a that generates ultrasonic waves vibrating up and down, moves in the left direction by the bogie 53, and at the same time, the blade unit moves repeatedly in the forward and backward directions by the blade driving unit 54 ( 54b), the heater driving unit 55 provided to be movable in the vertical direction, is installed under the heater driving unit 55, A heater 55a for heating the blade portion 54b to a preset heating temperature, and a control panel 59 provided on one lower side of the frame portion 51 to control the operation of the cart 53 And, the blade part 54b is provided inclined downward in the left direction, and by vibrating finely in the vertical direction by the ultrasonic oscillation part 54a, the back sheet paper 15 fixed to the upper part of the frame part 51 . is removed, and the pulverizing unit 35 includes a milling unit 36 and the milling unit 36 for pulverizing the solar cell 14 and EVA 13 from which the back sheet paper 15 has been removed into powder form. ) provided on one side, and comprising a suction unit 37 for inhaling the solar cell 14 and EVA (13) powder pulverized by the milling unit 36 by using the pressure of air do.

In addition, the bogie driving unit 52 is provided on one side of the upper portion of the frame unit 51 , a driving motor 52a driven by electric power, and mounted on one side of the driving motor 52a, the driving motor 52a ) is gear-engaged with the driving gear 52b and the driving gear 52b rotated by the rotational force of ), and includes a rail portion 52c that moves in the left or right direction by the rotational force of the driving gear 52b, The bogie 53 is mounted on the lower part of the bogie 53, is provided on the upper portion of the rail portion 52c, and is provided with a guide portion 53a moving in the left or right direction by the rail portion 52c. characterized by including.

In addition, the control panel 59 is configured according to the main panel 60 for setting a plurality of operation data for the removal unit 30 in advance, and the plurality of operation data preset by the main panel 60 . , an automatic operation operation panel 66 for operating the automatic operation of the removal unit 30, wherein the main panel 60 is provided on the inner upper portion of the main panel 60, the removal unit 30 A circuit breaker 61 for supplying or shutting off power to a breaker 61, an operation unit 62 provided outside the main panel 60 to preset the plurality of operation data for the removal unit 30, the It is rotatably provided on one side of the inner side of the main panel 60, a bogie speed adjusting unit 63 for adjusting the moving speed of the bogie 53, is rotatably provided on the other side of the inner side of the main panel 60 , A blade speed control unit 64 for adjusting the moving speed of the blade driving unit 54 and a heating time setting unit 65 for setting a time to maintain the heating temperature of the heater 55a set in advance characterized in that

In addition, the automatic operation operation panel 66 includes an origin button 66a for returning the cart 53 to the initial position after the operation is completed, and an automatic start button for automatically starting the operation of the removal unit 30 . (66b), an automatic stop button (66c) for automatically stopping the operation of the removal unit 30 and is rotatably provided to immediately stop the operation of the removal unit 30 when an emergency situation occurs It is characterized in that it includes a stop portion (66d).

In addition, the operation unit 62 includes a heating temperature setting unit 62a for setting the heating temperature in advance, a movement distance button 62b for setting the movement distance of the cart 53, and the heater 55a. A heater switch 62c for switching to an on state or an off state, a manual/automatic switch 62d for changing the operation mode of the removal unit 30 to a manual mode or an automatic mode, up and down from the ultrasonic oscillation unit 54a Ultrasonic output button 62e for outputting ultrasonic waves vibrating in the direction, heater up/down button 62f for raising or lowering the heater 55a, cutting for moving the blade driving unit 54 in the forward direction A forward button (62g), a cutting stop button (62h) for stopping the movement of the blade driving unit (54), a cutting reverse button (62i) for moving the blade driving unit (54) in the rearward direction, the bogie (53) A bogie forward button 62j for moving to the left, a bogie stop button 62k for stopping the movement of the bogie 53, and a bogie reverse button 62l for moving the bogie 53 to the right It is characterized in that it includes.

In the method for separating a waste solar panel according to the present invention, the separation unit 25 separates the aluminum frame 12 from the tempered glass 11 of the waste solar panel 10 , and the junction box 16 from the back sheet paper 15 . ), a second step of removing the back sheet paper 15 from the waste solar panel 10 in which the removal unit 30 is separated by the separation unit 25, and the crushing unit 35 ) pulverizes the photovoltaic cell 14 and the EVA 13 from which the back sheet paper 15 has been removed by the removal unit 30 in the form of powder, and inhales the third step, the heat treatment unit 40 ) by heating the photovoltaic cell 14 and EVA(13) powder pulverized and sucked by the pulverizing unit 35 to a preset heat treatment temperature, the photovoltaic cell 14 and EVA(13) powder A fourth step of removing the EVA (13) powder from the solar cell (14) powder, in which the recovery part (45) is heated by the heat treatment part (40), silver, copper, tin, polysilicon and aluminum It is characterized in that it comprises a fifth step of separating and extracting the back.

In addition, in the second step, the breaker 61 provided on the upper inner side of the main panel 60 is turned on to supply power to the removal unit 30 , the main panel Step 2-2 of turning the manual/auto switch 62d of (60) clockwise to change the operation mode of the removal unit 30 to the automatic mode, the heater switch 62c of the main panel 60 ) is rotated clockwise to turn on the heater 55a in the second step 2-3, pressing the automatic start button 66b to automatically proceed with the operation of the removal unit 30 -Step 4, Step 2-5 of returning the cart 53 to the initial position by pressing the origin button 66a, rotating the heater switch 62c counterclockwise to turn the heater 55a Steps 2-6 of switching to an off state and steps 2-7 of turning the manual/auto switch 62d counterclockwise to convert the removal unit 30 to a manual mode, Step 3 is the 3-1 step in which the milling unit 36 grinds the solar cell 14 and EVA 13 from which the back sheet paper 15 has been removed by the blade unit 54b into powder form. and a 3-2 step in which the suction unit 37 sucks the solar cell 14 and EVA 13 powder pulverized by the milling unit 36 by using the pressure of air. do.

In addition, step 2-4 is a step A in which the heater 55a is driven according to the heating temperature holding time preset in the heating temperature and heating time setting unit 65 set in advance by the heating temperature setting unit 62a. , Step B in which the blade part 54b is heated to the heating temperature by the heater 55a, the moving distance and the bogie of the bogie 53 preset by the moving distance button 62b Step C moving in the left direction according to the moving speed of the bogie 53 set in advance by the speed adjusting unit 63, and at the same time, the blade driving unit 54 is the blade set in advance by the blade speed adjusting unit 64 In the D-step of repeatedly moving forward and backward in accordance with the moving speed of the portion 54b, and the blade portion 54b is moved to the left by the bogie 53, at the same time the blade driving unit 54 By repeatedly moving forward and backward by the ultrasonic wave oscillation unit 54a, the back sheet is removed from the waste solar panel 10 fixed to the upper part of the frame unit 51 by finely vibrating in the vertical direction. It is characterized in that it includes step E.

The waste solar panel separation system and method according to the present invention not only do not cause human damage and environmental pollution due to leakage accidents compared to the prior art, but also include aluminum, tempered glass, polysilicon, copper, tin, Since the recovery rate of recycled raw materials such as silver is high, there is an effect of remarkably reducing the processing cost of the waste solar panel.

In addition, in the waste solar panel separation system and method according to the present invention, the waste solar panel can be completely separated through the separation, removal, pulverization, heat treatment and recovery process for the waste solar panel, Not only does the separation time significantly decrease, but it also has the effect of maximizing profits by selling recycled raw materials such as aluminum, tempered glass, polysilicon, copper, tin, and silver to related materials and solar panel companies.

In addition, in the waste solar panel separation system according to the present invention, the blade part vibrates finely in the vertical direction by the ultrasonic oscillator moves in the left direction, and the removal process can be performed, so that the solar cell and EVA on the surface of the back sheet paper There is an effect that the back sheet paper is neatly removed from the waste solar panel so that no debris remains.

1 is a block diagram of a waste solar panel.
2 is a process diagram of a process in which the separation unit separates the aluminum frame and the junction box.
3 is a process diagram illustrating a process in which the removal unit removes the back sheet paper.
4 is a process diagram of a process in which the pulverizing unit pulverizes the photovoltaic cell and EVA.
5 is a process diagram of a process in which the heat treatment unit removes EVA powder.
6 is a process diagram of a process in which the recovery unit separates and extracts recycled raw materials.
7 is a configuration diagram for explaining the configuration of the removal unit;
8 is a block diagram of the outer side of the main panel;
9 is a block diagram of the inner side of the main panel;
10 is a block diagram of an automatic operation operation panel.
11 is a flowchart for a method of separating a waste solar panel.
12 is a flowchart for the method of removing the back sheet paper shown in FIG. 11 .
13 is a flowchart for the solar cell and EVA pulverization and suction method shown in FIG. 11 .
14 is a flowchart for an automatic operation method of the removal unit shown in FIG. 12 .

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings in order to describe in detail enough that a person of ordinary skill in the art to which the present invention pertains can easily implement the technical idea of the present invention.

However, the following examples are merely examples to help the understanding of the present invention, thereby not reducing or limiting the scope of the present invention. In addition, the present invention may be embodied in several different forms and is not limited to the embodiments described herein.

1 is a block diagram of a waste solar panel 10 .

Referring to FIG. 1 , the waste solar panel 10 includes a tempered glass 11 , an aluminum frame 12 , an EVA 13 , a solar cell 14 , a back sheet paper 15 and a junction box 16 . is comprised of

First, the tempered glass 11 is provided on the top of the waste solar panel 10 in order to improve the transmittance and scattering effect of sunlight passing through the tempered glass 11 .

And, the aluminum frame 12 is attached along the circumference of the tempered glass 11 by a sealing material for the purpose of drainage installation construction.

And, EVA (13) (ethylene-vinyl acetate, ethylene vinyl acetate) is attached to both sides of the photovoltaic cell 14, respectively, it is a sealing material to protect the photovoltaic cell 14 from external impact and moisture.

And, the solar cell 14 (solar cell) is provided under the EVA (13). At this time, the solar cell 14 is configured to include a plurality of components such as silver, lead, tin, copper, aluminum, polysilicon.

In addition, the back sheet paper 15 is provided under the solar cell 14 to which the EVA 13 is attached, and blocks external moisture from entering the solar cell 14 , and the solar cell 14 . Protect the inner electrode.

In addition, the junction box 16 (junction box) is provided under the back sheet paper 15, and a cable and a bypass diode are accommodated in the junction box 16.

The components that cannot be recycled in the waste solar panel 10 are lead, backsheet, etc., which accounts for 10% of the total weight ratio of the waste solar panel 10, and the components that can be recycled are aluminum, tempered glass, and polysilicon. , copper, tin, silver, etc. account for 90% of the total weight of the waste solar panel 10 .

FIG. 2 is a process diagram of the separation unit 25 separating the aluminum frame 12 and the junction box 16 , and FIG. 3 is a process diagram of the removal unit 30 removing the back sheet paper 15 . am.

4 is a process chart showing a process in which the pulverizing unit 35 pulverizes the photovoltaic cell and the EVA 13 , and FIG. 5 is a flowchart illustrating a process in which the heat treatment unit 40 removes the EVA 13 powder.

6 is a process diagram of a process in which the recovery unit 45 separates and extracts recycled raw materials.

2 to 6 , the waste solar panel separation system 20 according to the present invention includes a separation unit 25 , a removal unit 30 , a crushing unit 35 , a heat treatment unit 40 and a recovery unit ( 45) is included.

First, the separation unit 25 separates the aluminum frame 12 from the tempered glass 11 of the waste solar panel 10 and separates the junction box 16 from the back sheet paper 15 .

Then, the removal unit 30 removes the back sheet paper 15 from the waste solar panel 10 separated by the separation unit 25 .

Then, the pulverizing unit 35 pulverizes the solar cells 14 and the EVA 13 from which the back sheet paper 15 is removed by the removing unit 30 in the form of powder, and inhales them. The grinding unit 35 is configured to include a milling unit 36 and a suction unit 37 .

First, the milling unit 36 pulverizes the solar cell 14 and the EVA 13 from which the back sheet paper 15 is removed in the form of powder.

In addition, the suction unit 37 is provided on one side of the milling unit 36 to suck in the photovoltaic cell 14 and EVA(13) powder pulverized by the milling unit 36 by using the pressure of air.

In addition, the heat treatment unit 40 heats the photovoltaic cell 14 and EVA (13) powder pulverized by the pulverizing unit 35 to a preset heat treatment temperature, and the photovoltaic cell 14 and EVA (13) Remove the EVA (13) powder from the powder. At this time, the heating temperature of the heat treatment unit 40 is preferably set to 780 ℃ or more and less than 820 ℃.

Then, the recovery unit 45 separates and extracts silver, copper, tin, polysilicon, aluminum, and the like from the photovoltaic cell 14 powder heated by the heat treatment unit 40 .

7 is a configuration diagram for explaining the configuration of the removal unit 30 .

7, the removal unit 30 is a frame unit 51, a bogie driving unit 52, a bogie 53, a blade driving unit 54, an ultrasonic oscillation unit 54a, a blade unit 54b, a heater driving unit ( 55 ), a heater 55a and a control panel 59 .

First, the frame portion 51 is installed long in the left and right direction, and wheels 51a for moving the frame portion 51 are provided on both lower sides of the frame portion 51 , respectively. In this case, the frame part 51 is made of an aluminum profile.

In addition, the bogie driving unit 52 is provided on the upper portion of the frame unit 51 to move the bogie 53 in the left or right direction.

Then, the bogie 53 is mounted on the upper portion of the bogie driving unit 52 , and moves in the left or right direction by the bogie driving unit 52 .

On the other hand, the bogie driving unit 52 is configured to include a driving motor 52a, a driving gear 52b, and a rail unit 52c.

First, the driving motor 52a is provided on one upper side of the frame part 51 and is driven by electric power.

And, the driving gear 52b is mounted on one side of the driving motor 52a and rotates by the rotational force of the driving motor 52a.

Then, the rail portion 52c is gear-engaged with the driving gear 52b, and moves in the left or right direction by the rotational force of the driving gear 52b. At this time, the rail portion 52c is preferably implemented in the form of a rack gear.

And, the bogie 53 is mounted on the lower portion of the bogie 53, is provided on the upper portion of the rail portion 52c, the guide portion 53a that moves in the left or right direction by the rail portion 52c is further added. is comprised of At this time, a groove portion 53b into which the rail portion 52c is inserted in the left and right direction is recessed in the lower portion of the guide portion 53a.

And, the blade driving unit 54 is provided to be able to move repeatedly by a preset reference distance in the front and rear directions. Specifically, the blade driving unit 54 moves by a preset reference distance in the forward direction, and then repeatedly performs the process of moving by the reference distance in the rear direction. At this time, the reference distance is set equal to the width of the back sheet paper 15 .

And, the ultrasonic oscillation unit 54a is a device for generating ultrasonic waves vibrating in the vertical direction.

And, the blade portion 54b moves in the left direction by the bogie 53, and at the same time moves repeatedly in the forward and rearward directions by the blade driving unit 54. At this time, the blade part 54b is mounted on the left side of the blade driving unit 54 , and the blade driving unit 54 is mounted on the upper portion of the bogie 53 .

In addition, the blade part 54b is provided inclined downward in the left direction, and by vibrating finely in the vertical direction by the ultrasonic oscillation part 54a, the back of the closed solar panel 10 fixed to the upper part of the frame part 51 . The sheet paper 15 is removed.

In the existing waste solar panel separation system 20, the blade part 54b heated by the heating device moves to the left, and the back sheet paper of the waste solar panel 10 fixed to the upper part of the frame part 51 (15) is removed.

Therefore, in the existing separation system of the waste solar panel 10, the back sheet paper 15 is not completely removed from the waste solar panel 10, and the solar cell 14 and EVA are on the surface of the back sheet paper 15. The debris of (13) is attached here and there.

In addition, in the waste solar panel separation system 20 according to the present invention, the blade part 54b that vibrates finely in the vertical direction by the ultrasonic oscillation part 54a moves in the left direction, and the removal process can be performed, The back sheet paper 15 is neatly removed from the waste solar panel 10 so that the solar cell 14 and the remnants of the EVA 13 do not remain on the surface of the back sheet paper 15 .

In addition, the heater driving unit 55 is provided to be movable in the vertical direction. In this case, the heating driving unit is preferably implemented in the form of a hydraulic or pneumatic cylinder.

And, the heater 55a is installed in the lower part of the heater driving unit 55, and heats the blade unit 54b to a preset heating temperature.

In addition, the control panel 59 is provided on one lower side of the frame part 51 to control the operation of the bogie 53 .

8 is a configuration diagram of the outside of the main panel 60 , and FIG. 9 is a configuration diagram of the inside of the main panel 60 . 10 is a block diagram of the automatic operation operation panel 66 .

8 to 10 , the control panel 59 includes a main panel 60 and an automatic operation operation panel 66 .

First, the main panel 60 sets a plurality of operation data for the removal unit 30 in advance.

In addition, the automatic operation operation panel 66 operates the automatic operation of the removal unit 30 according to a plurality of operation data preset by the main panel 60 .

8 to 9 , the main panel 60 includes a circuit breaker 61 , an operation unit 62 , a bogie speed control unit 63 and a blade speed control unit 64 , and a heating time setting unit 65 . is composed by

First, the circuit breaker 61 is provided on the inner upper portion of the main panel 60 and is a device for supplying or blocking power to the removal unit 30 .

In addition, the manipulation unit 62 is provided outside the main panel 60 , and sets a plurality of operation data for the removal unit 30 in advance.

In addition, the bogie speed adjusting unit 63 is rotatably provided on one side of the inner side of the main panel 60 to adjust the moving speed of the bogie 53 in proportion to the rotation angle.

Specifically, when the bogie speed adjusting unit 63 rotates clockwise by a preset first rotation angle, the moving speed of the bogie 53 increases in proportion to the first rotation angle.

And, when the bogie speed adjusting unit 63 rotates counterclockwise by a preset second rotation angle, the moving speed of the bogie 53 decreases in proportion to the second rotation angle.

And, the blade speed adjusting unit 64 is rotatably provided on the other side of the inner side of the main panel 60 to adjust the moving speed of the blade driving unit 54 in proportion to the rotation angle.

Specifically, when the blade speed adjusting unit 64 rotates in a clockwise direction by a preset third rotation angle, the moving speed of the blade driving unit 54 increases in proportion to the third rotation angle.

And, when the blade speed adjusting unit 64 rotates counterclockwise by a preset fourth rotation angle, the moving speed of the blade driving unit 54 decreases in proportion to the fourth rotation angle.

In addition, the heating time setting unit 65 may set a time for maintaining the heating temperature of the heater 55a set in advance.

Referring to FIG. 10 , the automatic operation operation panel 66 includes an origin button 66a, an automatic start button 66b, an automatic stop button 66c, and an emergency stop unit 66d.

First, the origin button 66a is a button for returning the cart 53 to the initial position after work is completed.

And, the automatic start button 66b is a button for automatically starting the operation of the removal unit 30 .

And, the automatic stop button 66c is a button for automatically stopping the operation of the removal unit 30 .

And, the emergency stop unit 66d is rotatably provided, and is a button for immediately stopping the operation of the removal unit 30 when an emergency situation occurs. Specifically, when an emergency situation occurs, when the emergency stop unit 66d is rotated clockwise, the operation of the removal unit 30 is immediately stopped.

On the other hand, the operation unit 62 includes a heating temperature setting unit 62a, a movement distance button 62b, a heater switch 62c, a manual/automatic switch 62d, an ultrasonic output button 62e, and a heater up/down button 62f. ), a cutting forward button 62g, a cutting stop button 62h, a cutting reverse button 62i, a bogie forward button 62j, a bogie stop button 62k, and a bogie reverse button 62l.

First, the heating temperature setting unit 62a is a device for setting the heating temperature in advance.

In addition, the movement distance button 62b is a button for setting the movement distance of the bogie 53 .

In addition, the heater switch 62c is rotatably provided, and is a switch for switching the heater 55a into an on state or an off state according to the rotation direction of the heater switch 62c.

And, the manual/automatic switch 62d is rotatably provided, and is a switch for changing the operation mode of the removal unit 30 to a manual mode or an automatic mode according to the rotation direction of the manual/automatic switch 62d.

And, the ultrasonic output button 62e is a button for outputting ultrasonic waves vibrating in the vertical direction from the ultrasonic oscillation unit 54a.

And, the heater up/down button 62f is a button for raising or lowering the heater 55a.

And, the cutting advance button (62g) is a button for moving the blade driving unit 54 in the forward direction.

And, the cutting stop button (62h) is a button for stopping the movement of the blade driving unit (54).

And, the cutting back button 62i is a button for moving the blade driving unit 54 in the rear direction.

And, the bogie forward button 62j is a button for moving the bogie 53 to the left.

In addition, the bogie stop button 62k is a button for stopping the movement of the bogie 53 .

And, the bogie reverse button 62l is a button for moving the bogie 53 to the right.

11 is a flowchart for a method of separating a waste solar panel.

Referring to FIG. 11 , the separation unit 25 separates the aluminum frame 12 from the tempered glass 11 of the waste solar panel 10 and separates the junction box 16 from the backsheet paper 15 . (S100)

After that, the removal unit 30 removes the back sheet paper 15 from the waste solar panel 10 separated by the separation unit 25 (S200).

After that, the pulverizing unit 35 pulverizes the photovoltaic cell 14 and the EVA 13 from which the back sheet paper 15 has been removed by the removing unit 30 in the form of powder, and inhales it. (S300)

After that, the heat treatment unit 40 heats the photovoltaic cell 14 and EVA (13) powder pulverized and sucked by the pulverizing unit 35 to a preset heat treatment temperature, and the photovoltaic cell 14 and EVA (13) Remove the EVA(13) powder from the powder. (S400)

Then, the recovery unit 45 separates and extracts silver, copper, tin, polysilicon, aluminum, etc. from the photovoltaic cell 14 powder heated by the heat treatment unit 40 (S500).

12 is a flowchart for a method of removing the back sheet paper 15 shown in FIG. 11 .

Referring to FIG. 12 , the circuit breaker 61 provided on the upper inner side of the main panel 60 is turned on to supply power to the removal unit 30 . (S210)

After that, the manual/automatic switch 62d of the main panel 60 is rotated clockwise to change the operation mode of the removal unit 30 to the automatic mode. (S220)

After that, the heater switch 62c of the main panel 60 is rotated clockwise to turn the heater 55a into an ON state. (S230)

After that, when the green auto-start button 66b is pressed, the operation of the removal unit 30 is automatically performed (S240).

During the automatic operation of the removal unit 30, notes are as follows. Before the blade portion 54b moves in the left direction from the starting point, the surface state of the waste solar panel 10 should be maintained as even as possible.

After completion of the work, if the origin button 66a is pressed, the cart 53 returns to the initial position (S250).

After that, the heater switch 62c is rotated counterclockwise to turn the heater 55a into an OFF state. (S260)

After that, by rotating the manual/auto switch 62d counterclockwise, the removal unit 30 is switched to the manual mode (S270).

13 is a flowchart for the method of crushing and sucking the solar cell 14 and the EVA 13 shown in FIG. 11 .

Referring to FIG. 13 , the milling unit 36 pulverizes the photovoltaic cell 14 and EVA 13 from which the back sheet paper 15 is removed by the blade unit 54b into powder form. (S310)

After that, the suction unit 37 inhales the photovoltaic cell 14 and the EVA 13 powder pulverized by the milling unit 36 by using the pressure of air. (S320)

14 is a flowchart of an automatic driving method of the removal unit 30 shown in FIG. 12 .

Referring to FIG. 14 , first, the heater 55a is driven according to the heating temperature preset by the heating temperature setting unit 62a and the heating temperature maintaining time preset by the heating time setting unit 65 ( S241 ). )

After that, the blade portion 54b is heated to a preset heating temperature by the heater 55a (S242).

After that, the bogie 53 moves leftward in accordance with the moving distance of the bogie 53 preset by the moving distance button 62b and the moving speed of the bogie 53 preset by the bogie speed adjusting unit 63 . Move to (S243)

At the same time, the blade driving unit 54 moves repeatedly in the forward and backward directions according to the moving speed of the blade unit 54b set in advance by the blade speed adjusting unit 64. (S244)

After that, the blade unit 54b moves in the left direction by the bogie 53, and at the same time moves repeatedly in the forward and backward directions by the blade driving unit 54, and finely up and down by the ultrasonic oscillation unit 54a. By vibrating vigorously, the back sheet is removed from the waste solar panel 10 fixed to the upper part of the frame part 51. (S245)

The waste solar panel separation system 20 and the method according to the present invention do not cause human damage and environmental pollution due to leakage accidents compared to the prior art, as well as aluminum, tempered glass, and poly for the waste solar panel 10 Since the recovery rate of recycled raw materials such as silicon, copper, tin, and silver is high, there is an effect that the processing cost of the waste solar panel 10 is significantly reduced.

In addition, in the waste photovoltaic panel separation system 20 and the method according to the present invention, the waste photovoltaic panel 10 is completely separated through separation, removal, pulverization, heat treatment and recovery processes for the waste photovoltaic panel 10 . By doing so, not only the separation time of the waste solar panel 10 is significantly reduced, but also recycled raw materials such as aluminum, tempered glass, polysilicon, copper, tin, and silver are sold to related materials and solar panel companies, This has the effect of maximizing profits.

In addition, in the waste solar panel separation system 20 according to the present invention, the blade part 54b that vibrates finely in the vertical direction by the ultrasonic oscillation part 54a moves in the left direction, and the removal process can be performed, There is an effect that the back sheet paper 15 is neatly removed from the waste solar panel 10 so that the remnants of the solar cell 14 and the EVA 13 do not remain on the surface of the back sheet paper 15 .

As described above, the present invention has a main technical idea to provide a waste solar panel separation system 20 and a method thereof, and the embodiment described above with reference to the drawings is only one embodiment, and the present invention The true scope of rights is based on the claims, but will also extend to equivalent embodiments that may exist in various ways.

10: Waste solar panel 11: Tempered glass
12: aluminum frame 13: EVA
14: solar cell 15: back sheet paper
16: junction box 20: waste solar panel separation system
25: separation unit 30: removal unit
35: grinding unit 36: milling unit
37: suction unit 40: heat treatment unit
45: recovery part 51: frame part
51a: moving wheel 52: bogie drive unit
52a: drive motor 52b: drive gear
52c: rail 53: bogie
53a: guide part 53b: groove part
54: blade driving unit 54a: ultrasonic oscillation unit
54b: blade part 55: heater driving part
55a: heater 59: control panel
60: main panel 61: breaker
62: operation unit 62a: heating temperature setting unit
62b: travel distance button 62c: heater switch
62d: manual/auto switch 62e: ultrasonic output button
62f: Heater up/down button 62g: Cutting forward button
62h: Cut stop button 62i: Cut reverse button
62j: bogie forward button 62k: bogie stop button
62l: bogie reverse button 63: bogie speed control unit
64: blade speed control unit 65: heating time setting unit
66: automatic operation control panel 66a: origin button
66b: auto start button 66c: auto stop button
66d: emergency stop

Claims (8)

Separating the waste solar panel 10 comprising the tempered glass 11 , the aluminum frame 12 , the EVA 13 , the solar cell 14 , the back sheet paper 15 and the junction box 16 . In the waste solar panel separation system 20 for
The waste solar panel separation system 20 is
a separation unit 25 for separating the aluminum frame 12 from the tempered glass 11 and the junction box 16 from the back sheet paper 15;
a removal unit 30 for removing the back sheet paper 15 from the waste solar panel 10 separated by the separation unit 25;
a pulverizing unit 35 for pulverizing and sucking the solar cell 14 and the EVA 13 from which the back sheet paper 15 has been removed by the removing unit 30 in the form of powder;
By heating the photovoltaic cell 14 and EVA(13) powder pulverized by the pulverizing unit 35 to a preset heat treatment temperature, the EVA(13) powder is removed from the photovoltaic cell 14 powder. a heat treatment unit 40; and
and a recovery unit 45 for separating and extracting silver, copper, tin, polysilicon and aluminum from the photovoltaic cell 14 powder heated by the heat treatment unit 40;
The removal unit 30 is
a frame portion 51 installed long in the left and right direction, and having wheels 51a for movement on both sides of the lower portion, respectively;
a bogie driving unit 52 provided on an upper portion of the frame unit 51;
a bogie 53 moving in the left or right direction by the bogie driving unit 52;
A blade driving unit 54 provided to be able to move repeatedly by a preset reference distance in the front and rear directions;
an ultrasonic wave oscillator 54a for generating ultrasonic waves vibrating in the vertical direction;
a blade portion 54b that moves in the left direction by the cart 53 and at the same time repeatedly moves forward and backward by the blade driving unit 54;
a heater driving unit 55 provided to be movable in the vertical direction;
a heater (55a) installed under the heater driving unit (55) to heat the blade unit (54b) to a preset heating temperature;
and a control panel 59 provided on one lower side of the frame part 51 to control the operation of the bogie 53;
The blade portion 54b is
It is provided to be inclined downward in the left direction, and by vibrating finely in the vertical direction by the ultrasonic oscillation unit 54a, the back sheet paper 15 fixed to the upper part of the frame unit 51 is removed,
The crushing unit 35 is
a milling unit 36 for pulverizing the photovoltaic cell 14 and the EVA 13 from which the back sheet paper 15 has been removed into a powder form; and
a suction unit 37 provided on one side of the milling unit 36 to suck in the solar cell 14 and EVA(13) powder pulverized by the milling unit 36 by using the pressure of air; including,
The bogie driving unit 52 is
a driving motor 52a provided on an upper side of the frame part 51 and driven by electric power;
a driving gear 52b mounted on one side of the driving motor 52a and rotated by the rotational force of the driving motor 52a; and
A rail portion (52c) that is gear-engaged with the driving gear (52b) and moves in the left or right direction by the rotational force of the driving gear (52b);
The bogie 53 is
and a guide part (53a) mounted on the lower part of the bogie (53), provided on the rail part (52c), and moving in the left or right direction by the rail part (52c). A waste solar panel separation system. delete The method of claim 1,
The control panel 59 is
a main panel 60 for setting a plurality of operation data for the removal unit 30 in advance;
An automatic operation operation panel 66 for operating the automatic operation of the removal unit 30 according to the plurality of operation data set in advance by the main panel 60;
The main panel 60 is
a circuit breaker 61 provided on the inner upper portion of the main panel 60 to supply or cut off power to the removal unit 30;
a manipulation unit 62 provided outside the main panel 60 to set the plurality of operation data for the removal unit 30 in advance;
a bogie speed adjusting unit 63 rotatably provided on one side of the inner side of the main panel 60 to adjust the moving speed of the bogie 53;
a blade speed control unit 64 provided rotatably on the other side of the main panel 60 to adjust the moving speed of the blade driving unit 54; and
A waste solar panel separation system comprising a; a heating time setting unit (65) for setting a time for maintaining the heating temperature of the heater (55a) set in advance. 4. The method of claim 3,
The automatic operation operation panel 66 is
an origin button (66a) for returning the bogie (53) to an initial position after the operation is completed;
an automatic start button (66b) for automatically starting the operation of the removal unit (30);
an automatic stop button (66c) for automatically stopping the operation of the removal unit (30); and
A waste solar panel separation system comprising a; is provided to be rotatable, and an emergency stop unit (66d) for immediately stopping the operation of the removal unit (30) when an emergency situation occurs. 4. The method of claim 3,
The operation unit 62 is
a heating temperature setting unit 62a for setting the heating temperature in advance;
a movement distance button (62b) for setting the movement distance of the bogie (53);
a heater switch 62c for turning the heater 55a into an on state or an off state;
a manual/automatic switch 62d for switching the operation mode of the removal unit 30 to a manual mode or an automatic mode;
an ultrasonic output button 62e for outputting an ultrasonic wave vibrating in the vertical direction from the ultrasonic oscillation unit 54a;
a heater up/down button 62f for raising or lowering the heater 55a;
a cutting advance button (62g) for moving the blade driving unit (54) in the forward direction;
a cutting stop button 62h for stopping the movement of the blade driving unit 54;
a cutting reverse button (62i) for moving the blade driving unit (54) in a rearward direction;
a bogie forward button 62j for moving the bogie 53 to the left;
a bogie stop button 62k for stopping the movement of the bogie 53; and
A waste solar panel separation system comprising a; a bogie reverse button (62l) for moving the bogie (53) to the right. A first step in which the separation unit 25 separates the aluminum frame 12 from the tempered glass 11 of the waste solar panel 10 and separates the junction box 16 from the back sheet paper 15;
a second step in which the removal unit 30 removes the back sheet paper 15 from the waste solar panel 10 separated by the separation unit 25;
a third step in which the pulverizing unit 35 pulverizes the photovoltaic cell 14 and the EVA 13 from which the back sheet paper 15 is removed by the removing unit 30 in the form of powder and sucks;
The heat treatment unit 40 heats the photovoltaic cell 14 and EVA (13) powder pulverized and sucked by the pulverizing unit 35 to a preset heat treatment temperature, and the photovoltaic cell 14 and EVA (13) a fourth step of removing the EVA (13) powder from the powder;
A fifth step of separating and extracting silver, copper, tin, polysilicon and aluminum, etc. from the photovoltaic cell 14 powder heated by the heat treatment unit 40 by the recovery unit 45;
The second step is
a 2-1 step of supplying power to the removal unit 30 by turning on the circuit breaker 61 provided on the inner upper portion of the main panel 60;
Step 2-2 of rotating the manual/auto switch 62d of the main panel 60 clockwise to change the operation mode of the removal unit 30 to the automatic mode;
step 2-3 of turning the heater switch 62c of the main panel 60 clockwise to turn the heater 55a into an ON state;
Steps 2-4 of automatically operating the removal unit 30 by pressing the automatic start button 66b;
Steps 2-5 of returning the cart 53 to the initial position by pressing the origin button 66a;
2-6 steps of turning the heater switch 62c counterclockwise to turn the heater 55a into an off state; and
Steps 2-7 of turning the manual/automatic switch 62d counterclockwise to convert the removal unit 30 to a manual mode; including;
The third step is
a 3-1 step in which the milling part 36 grinds the solar cell 14 and the EVA 13 from which the back sheet 15 is removed by the blade part 54b into a powder form; and
The inhalation unit 37 inhales the solar cell 14 and EVA 13 powder pulverized by the milling unit 36 by using the pressure of air in the 3-2 step; including;
Steps 2-4 are
A step in which the heater (55a) is driven according to the heating temperature holding time preset in the heating temperature and heating time setting unit (65) set in advance by the heating temperature setting unit (62a);
B step in which the blade portion 54b is heated to the heating temperature by the heater 55a;
The bogie 53 moves in the left direction in accordance with the moving distance of the bogie 53 preset by the moving distance button 62b and the moving speed of the bogie 53 preset by the bogie speed adjusting unit 63 step C; and
At the same time, a step D in which the blade driving unit 54 moves forward and backward repeatedly in accordance with the moving speed of the blade unit 54b set in advance by the blade speed adjusting unit 64; and
The blade portion 54b moves in the left direction by the bogie 53, and at the same time moves repeatedly in the forward and backward directions by the blade driving unit 54, and finely up and down by the ultrasonic oscillation unit 54a A method of separating a waste solar panel comprising the; E step of removing the back sheet from the waste photovoltaic panel (10) fixed to the upper portion of the frame portion (51) by vibrating.
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