TW201338884A - Environmentally friendly face brick using recycled waste photovoltaic module - Google Patents

Abstract

This invention relates to an environmentally friendly face brick using recycled waste photovoltaic module, comprising the steps of: recovering the waste photovoltaic module; sequentially applying procedures of removing package and coating of glass substrate in non-destructive manner, cleaning, strengthening, and decorative processing to restore a complete glass substrate; recycling the face brick products such as floor tile or wall tile. Accordingly, it can significantly reduce the photovoltaic waste containing glass material, which is different from the conventional glass recycling method using breaking and high temperature melting. This invention can reduce the energy consumption and carbon emission during the recycling and reproduction processes and greatly enhance the related ratio of the recycled material, so as to create a highly environmentally friendly recycled products.

Description

Recycling waste solar photovoltaic module recycled environmental protection brick

The invention belongs to the field of waste recycling and reuse, and particularly relates to an invention production process for recycling and recycling waste glass into environmentally friendly tiles.

According to the flat glass, it is a basic material widely used in various products. For the electronics industry such as doors and windows, furniture, office equipment, building materials and optoelectronics, you can see a wide range of applications. Taking the optoelectronic industry as an example, solar photovoltaic modules and thin film transistor liquid crystal displays, etc., due to factors such as manufacturing or service life, will produce a large amount of glass module waste every year, in the waste cleaning mode. In fact, China's industry is currently based on the general business waste cleaning mode, and in the final disposal, the waste glass module can produce a large amount of waste glass sand, which can be used as a floor tile, roadside stone or asphalt filling in China. Most of them still contain packaging materials, which will affect the quality of recycled products, so they can only be used for stable landfill; in foreign countries, the glass can be removed to re-reform glass.

Relevant patent materials include: Taiwan: Application No. 91125426 Liquid Crystal Display Resource Processing Method, Application No. 90112052 Recycling Display Curtain Glass Material for Glass Ceramic or Glaze Medicine, Invention Patent No. I222431 Waste Glass Recycling Method Method for recovering faceplate glass of I226315 liquid crystal display, recycling method of I304363 recovery film transistor substrate, method for recycling and recycling of solar cell transparent conductive glass substrate of application No. 97112549, and liquid crystal panel device of application No. 96137692 A patent case for recycling and recycling a glass substrate, and a method and product for manufacturing an environmentally-friendly red brick by applying the No. 99106862 solar panel waste glass. Mainland China: Application No. CN03193724 Green Eco-Integrated Refractory Decorative Material, Application No. CN200910218722.3 A patent case for the production of tiles using waste liquid crystal display glass. United States: Patent No. 6093455, Application No. 20020081392, Application No. 20070012599, Application No. 20100052220. Japan: Patent No. 2006256915, Publication No. 2005292394, Publication No. 2002-029794, Publication No. 2005-507851, and the like.

In the above-mentioned national customary cases, when waste glass is recycled to other products, most of the glass is destructively processed to be crushed or pulverized, and then smelted and filled, and other steps are made to prepare other products. However, because of the melting step in this recycling process, a large amount of energy is consumed, and the cost and carbon emissions are high. Therefore, how to develop a resource recycling method that can recycle waste glass and regenerate other products and reduce the energy consumption of regeneration has become the direction of the creators of this case.

In view of this, the present inventors have intensively discussed the above-mentioned conventional creation problems, and actively pursued solutions through years of experience in research and development and manufacturing of related industries. After long-term efforts in research and development, the present invention has finally succeeded in developing the present invention. "Recycling environmentally-friendly tiles for recycling solar photovoltaic modules" to improve the problem of custom creation.

The main object of the present invention is to solve the above problems and provide a "recycling environmental protection tile for recycling solar photovoltaic modules", which is a glass carrier board for recycling waste solar photovoltaic modules, which can reduce energy consumption and low carbon emission. In the way of quantity, it is used as an environmentally friendly brick for high economic value, which not only greatly reduces the manufacturing cost of brick building materials, but also has the green value of environmental protection concept.

In order to achieve the above-mentioned effects, the invention "recycling the waste solar photovoltaic module to regenerate the environmental protection brick" is to recycle the discarded solar photovoltaic module, and sequentially apply a series of recycling and regeneration steps to the solar photovoltaic module. The internal glass carrier board is used as an environmental protection tile. The detailed process steps include: A. Recycling the discarded solar photovoltaic module, recycling the discarded solar photovoltaic module, and removing the outer frame. B. Non-destructive removal of the package, the waste solar photovoltaic module is first heat treated in a large oven, so that the backing plate (PET, PVB, etc.) in the encapsulation layer is partially separated from the glass carrier plate, and then mechanical external force can be easily The remaining package is removed, and the heating temperature is lowered at this time, so that the package adhesive layer (EVA) can be easily removed, which achieves the purpose of non-destructive glass substrate and removal of the package. C. removing the plating layer on the glass carrier, sequentially removing the plating layer such as the reflective layer and the semiconductor layer on the glass carrier, and washing the de-reflecting layer with 5 to 37% nitric acid or other acidic etching solution, and utilizing The semiconductor layer is washed away by 4 to 40% sodium hydroxide or other alkaline etching solution. D. Cleaning, the glass carrier is washed with water, or cleaned with a slightly alkaline (pH<9) cleaning agent, which presents a clean, transparent glass plate; E. Strengthened, using physical or chemical strengthening to increase the glass load The bending strength of the board, the bending damage load and other characteristics. F. Decorative processing, the decorative layer may be formed on an outer surface of the glass carrier by adding color, pattern or pattern by using a coloring, printing or pasting sticker, and a primer is applied on the outside of the decorative layer. As a protective layer. G. The finished product, by using the above process, can regenerate the waste-recovered glass carrier into a high-value product, and can be used as an environmentally-friendly tile. Not only can the industrial wastes mainly made of glass be consumed, but the proportion of recycled materials can account for more than 95% of the recycled products. It is recycled to high-value bricks and other building materials with low energy consumption and low carbon emissions. The green value of the concept.

The above-mentioned objects, structures and features of the present invention will be described in detail with reference to the preferred embodiments of the present invention. .

Please refer to the first to fifth figures. The creation of the “Recycling Solar PV Module Recycling Environmental Protection Tile” includes the abandoned solar photovoltaic module (1). The solar photovoltaic module (1) is a glass carrier (10). The surface is provided with a plating layer such as a semiconductor layer (20), a reflective layer (30), and the like, and is packaged by a package adhesive layer (EVA) (41) and a back sheet (PET or PVB, etc.) (42). The outer layer is provided with a frame (50), which is the composition of the general solar photovoltaic module, and will not be described again. The main purpose is to use the following steps in the abandoned solar photovoltaic module (1), and regenerate it into an environmentally friendly environmental protection tile (2), and use different regeneration processes, the environmental protection tile (2) also has a style Variations, the present invention is presented in two embodiments, respectively, and the detailed steps of the first embodiment of the method for recycling and regenerating tiles include:

A. Recycling the abandoned solar photovoltaic module (1), recycling the discarded solar photovoltaic module (1), and removing the outer frame (50).

B. Non-destructive removal of the package, the outer package structure of the solar photovoltaic module (1) is separated in a non-destructive manner, and the internal glass carrier (10) is kept intact; in detail, it is discarded first. The solar photovoltaic module (1) is heat treated by a large oven or the like to partially separate the back plate (42) and the glass carrier plate (10) in the encapsulation layer, and the remaining package can be easily removed by mechanical external force. The heating temperature is lowered, so that the package adhesive layer (41) can be easily removed, and the non-destructive glass substrate (10) is achieved by this method and the package is removed.

C. Removing the plating layer on the glass carrier (10), and sequentially removing the plating layer (30) and the semiconductor layer (20) on the glass carrier (10). The reflective layer (30) is washed away with 5 to 37% nitric acid or other acidic etching solution, and the semiconductor layer (20) is washed away with 4 to 40% sodium hydroxide or other alkaline etching solution.

D. Cleaning, removing the semiconductor layer (20), the reflective layer (30) encapsulating adhesive layer (41), the backing plate (42), and the glass carrier plate (10) of the outer frame (50) by water cleaning, or with micro After the alkaline (pH<9) cleaning agent is cleaned, it presents a clean, transparent glass plate. The glass carrier (10) is then reinforced, but prior to strengthening, the glass carrier (10) can be first cut by hand or automatic machine cutting to maintain the dimensional specifications of the finished product.

E. Strengthening, using physical or chemical strengthening methods to increase the bending strength, bending failure load and other characteristics of the glass carrier (10).

F. decorative processing, forming a decorative layer (11) of color, pattern or pattern on an outer surface of the glass carrier (10), the decorative layer (11) may be formed by using a coloring, printing or pasting sticker, and A primer is applied to the outer edge of the decorative layer (11) as a protective layer (12).

G. Finished product, using the above-mentioned series of recycling and recycling processes, the glass carrier board (10) is re-created as a high-value product, and can be used as an environmentally-friendly tile (2) such as floor tiles and wall tiles.

Furthermore, the process steps of the second embodiment of the present invention for recycling and regenerating the tile are similar to the first embodiment, and include:

A. Recycling the abandoned solar photovoltaic module (1), recycling the discarded solar photovoltaic module (1), and removing the outer frame (50).

B. Non-destructive removal of the package, the outer package structure of the solar photovoltaic module (1) is separated in a non-destructive manner, and the internal glass carrier (10) is kept intact; in detail, it is discarded first. The solar photovoltaic module (1) is heat treated by a large oven or the like to partially separate the back plate (42) and the glass carrier plate (10) in the encapsulation layer, and the remaining package can be easily removed by mechanical external force. The heating temperature is lowered, so that the package adhesive layer (41) can be easily removed, and the non-destructive glass substrate (10) is achieved by this method and the package is removed.

C. The plating layer other than the semiconductor layer (20) is removed, and the reflective layer (30) on the glass carrier is washed away with 5 to 37% nitric acid or another acidic etching solution, leaving only the semiconductor layer (20).

D. Cleaning, removing the reflective layer (30) encapsulating adhesive layer (41), the backing plate (42) and the glass carrier plate (10) of the outer frame (50) with water, or with a slightly alkaline (pH<9) After the cleaning agent is cleaned, a clean glass plate is presented. The glass carrier (10) is then reinforced, but prior to reinforcement, the glass carrier (10) can be first cut by hand or automatic machine cutting to maintain the dimensional specifications of the finished product.

E. Strengthening, using physical or chemical strengthening methods to increase the bending strength, bending failure load and other characteristics of the glass carrier (10). The physical reinforcement described therein is that the glass carrier (10) is heated to a certain temperature and then cooled. In the chemical strengthening, the glass carrier (10) is immersed in a chemical liquid such as potassium hydride, and the surface strength is increased by ion exchange.

F. Brushing processing, since the retained semiconductor layer (20) itself can exhibit various colors depending on the raw materials contained, the decorative color can be formed on the semiconductor layer (20) by grinding or the like. The texture (21) forms a unique decorative effect. When the color processing is completed, a primer may be applied to the outside of the semiconductor layer (20) as a protective layer (12).

G. Finished product, using the above-mentioned series of recycling and recycling processes, the glass carrier board (10) is re-created as a high-value product, and can be used as an environmentally-friendly tile (2) such as floor tiles and wall tiles.

Accordingly, the glass carrier board (10) of the discarded solar photovoltaic module (1) can be regenerated into an environmentally friendly tile (2) by the series of recycling and recycling processes disclosed in the first and second embodiments.

It should be further clarified that the regeneration technology disclosed in the present invention is different from the traditional recycling of the recovered glass waste, and is used by high-temperature melting or as a product filling, but without destroying the glass carrier. (10) Recovering under the premise of completeness, and then applying the regeneration step such as cutting, strengthening, decorating or brushing processing to the glass carrier board (10) to produce a finished brick which can be used as a floor tile or a wall brick. Compared with the general recycling method, not only can the industrial waste mainly composed of glass be consumed, but the recycled materials can account for more than 95% of the recycled product composition, and can be regenerated into high economic value with low energy consumption and low carbon emission. The environmental protection tile (2) does have the green value of the environmental protection concept, and has a high degree of industrial utilization and competitiveness.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are not frequently found in the literature and the literature, and the same structure is not found in the literature. The invention already has the invention patent requirements, and the application is filed according to law.

The embodiments described above are intended to be illustrative only, and various modifications, adaptations and applications may be made by those skilled in the art without departing from the scope of the invention.

(1). . . Solar photovoltaic module

(2). . . Environmental protection brick

(10). . . Glass carrier

(11). . . Decorative layer

(12). . . The protective layer

(20). . . Semiconductor layer

(twenty one). . . Brush color

(30). . . Reflective layer

(41). . . Package adhesive layer

(42). . . Backplane

(50). . . Outer frame

The first figure is a schematic structural view of the waste solar photovoltaic module recovered by the invention.

Second Figure: is a block diagram of a first embodiment of the present invention.

Third Figure: A schematic view of the finished product of the first embodiment of the present invention.

Fourth Figure: is a block diagram of a second embodiment of the present invention.

Figure 5 is a schematic view of the finished product of the second embodiment of the present invention.

Claims (12)

An environmental protection brick for recycling waste solar photovoltaic module, the steps comprising: A. recycling the discarded solar photovoltaic module, recycling the discarded solar photovoltaic module, and removing the outer frame and applying the following steps; B. non-destructive Removing the package, separating the package structure of the outer layer of the solar photovoltaic module in a non-destructive manner, and maintaining the intact form of the inner glass carrier; C. removing the plating on the glass carrier, and sequentially reflecting the reflective layer on the glass carrier And polishing of the semiconductor layer and the like; D. decorative processing, forming a decorative layer of color, pattern or pattern on the outer surface of the glass carrier; E. finished product, recycling the glass carrier to a high value product, and being environmentally friendly Tiles are used. According to the application of the patent scope of the first paragraph of the recycling of the solar photovoltaic module recycled environmentally friendly tiles, in step B, the waste solar photovoltaic module is first heat treated in a large oven, so that the backing plate in the encapsulation layer (PET , PVB, etc.) is partially separated from the glass carrier, and the remaining package can be easily removed by mechanical external force. At this time, the heating temperature can be lowered, and the package adhesive layer (EVA) can be easily removed. This method achieves non-destructive glass substrate. And remove the purpose of packaging. The environmental protection tile recycled by the waste solar photovoltaic module according to claim 1 of the patent application scope, wherein the step C removes the plating layer on the glass carrier plate, and comprises removing the reflective layer by using 5 to 37% nitric acid or other acidic etching solution. And washing off the semiconductor layer with 4 to 40% sodium hydroxide or other alkaline etching solution. According to the environmental protection bricks recycled by the waste solar photovoltaic module described in the first paragraph of the patent application, before the step D. decorative processing, the glass carrier may be used as a strengthening step to increase the physical strengthening or chemical strengthening. The characteristics of the glass carrier's bending strength, bending failure load and so on. According to the application of the patent scope of the fourth paragraph of the recycling of the solar photovoltaic modules recycled environmentally friendly tiles, in the strengthening step, the glass carrier can be cleaned first, then use manual or automatic machine cutting method to glass The board is cut to maintain the dimensional specifications of the finished product. According to the claim 1 of the patent scope, the recycled solar photovoltaic module is recycled, and the step D. decorative processing can be formed by adding various colors, patterns or patterns by using various paint painting, printing or pasting stickers. The decorative layer is coated with a primer on the outside of the decorative layer as a protective layer. An environmental protection brick for recycling waste solar photovoltaic module, the process steps include: A. recycling the discarded solar photovoltaic module, recycling the discarded solar photovoltaic module, and removing the outer frame and applying the following steps; B. non-destructive The package is removed, the package structure of the outer layer of the solar photovoltaic module is separated in a non-destructive manner, and the internal glass carrier is kept intact; C. the plating layer other than the semiconductor layer is removed, and the reflective layer of the glass carrier is plated. In addition, only the semiconductor layer is retained; D. brushing processing, forming a decorative color pattern on the semiconductor layer by means of grinding, etc.; E. Finishing, regenerating the glass carrier to a high-value product, and being environmentally friendly Tiles are used. According to the application of the patent scope, the recycling of the waste solar photovoltaic module regeneration of the environmental protection tile, wherein step B, the waste solar photovoltaic module is first heat treated in a large oven, so that the backing plate in the encapsulation layer (PET , PVB, etc.) is partially separated from the glass carrier, and the remaining package can be easily removed by mechanical external force. At this time, the heating temperature can be lowered, and the package adhesive layer (EVA) can be easily removed. This method achieves non-destructive glass substrate. And remove the purpose of packaging. The environmental protection tile recycled by the waste solar photovoltaic module according to claim 7 of the patent application scope, wherein the step C removes the plating layer outside the semiconductor layer, including washing the reflective layer with 5 to 37% nitric acid or other acidic etching solution. According to the application of the patent scope of the seventh paragraph of the recycling of the solar photovoltaic modules recycled environmentally friendly tiles, in the step D. before the color processing, the glass carrier can be used as a strengthening step, using physical strengthening or chemical strengthening, Increase the bending strength, bending failure load and other characteristics of the glass carrier. According to the application of the patent scope of the tenth item, the recycled solar photovoltaic module regenerates the environmental protection brick. Before the strengthening step, the glass carrier board can be cleaned first, and then the glass is loaded by manual or automatic machine cutting. The board is cut to maintain the dimensional specifications of the finished product. According to the claim 7, the recycling of the waste solar photovoltaic module recycled environmental protection brick, wherein step D. After the color processing is completed, a layer of primer may be applied to the outside of the semiconductor layer as a protective layer.