Heating device for photovoltaic panel EVA (Ethylene Vinyl Acetate) glue

Abstract

The utility model discloses a photovoltaic panel EVA glue heating device which comprises a rack, a PLC electric control system and an industrial control assembly, a bearing platform is installed on the upper surface of the rack, and an electric heating plate is installed on the bearing platform. The photovoltaic panel EVA glue heating device is matched with a rear-end hot cutter device to provide photovoltaic panel preheating, greatly improve the yield, greatly improve the recovery rate of the whole photovoltaic panel, achieve the purpose that no broken photovoltaic glass exists, and improve the production efficiency. The EVA film is heated to be molten in a preheating working section, the hot cutter is enabled to quickly separate glass from a power generation assembly (within one minute) at the working temperature of 160-180 DEG C, the market value of ultra-white glass is improved, the whole piece of glass can be recycled, the secondary use process and energy consumption are reduced, the temperature of the hot cutter is reduced from 400 DEG C to 200 DEG C, and the service life of the hot cutter is prolonged. Energy is saved and consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic panel recycling, in particular to a heating device for EVA glue of photovoltaic panels. Background Technique

[0002] The retirement recycling device for photovoltaic panels is used for the recycling and reuse after the retirement of photovoltaic panels. The adhesive between the photovoltaic glass and the power generation component is an EVA film. After heating to the melting temperature, the glass and the power generation component can be separated for easy disassembly and recycling.

[0003] After 20 years of use, when the photovoltaic panels reach the retirement time, physical methods cannot achieve complete decomposition. Chemical decomposition has a high cost for treating wastewater, strict requirements for emissions, a long process flow, many devices, and a high recycling cost, making it impossible to achieve complete recycling and reuse.

[0004] Therefore, we propose a heating device for EVA glue of photovoltaic panels to facilitate solving the problems raised above. Content of the Utility Model

[0005] The purpose of the utility model is to provide a heating device for EVA glue of photovoltaic panels to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A heating device for EVA glue of photovoltaic panels, comprising: a frame, a PLC electric control system and an industrial control component;

[0007] A bearing platform is installed on the upper surface of the frame, and an electric heating plate is installed on the bearing platform;

[0008] Blocking strips are symmetrically arranged at the edge of the upper surface of the bearing platform;

[0009] An aluminum alloy bracket is fixedly installed on the frame. A horizontal bracket is suspended in the middle of the aluminum alloy bracket through a hanging bracket. A second cylinder is installed on the horizontal bracket. The telescopic end of the second cylinder is fixedly connected to a sliding rod. Guide rails are symmetrically and fixedly installed on the upper surface of the horizontal bracket. A first cylinder is slidably arranged on the guide rails. The first cylinder is fixedly connected to the sliding rod. A push plate is fixedly installed at the telescopic end of the first cylinder.

[0010] Preferably, bolt adjustment components are arranged at the bottom ends of the four feet of the frame, and a remote signal transmission component is installed on the frame.

[0011] Preferably, an adiabatic gasket capable of heat insulation at 600 °C is provided on the upper surface of the bearing platform.

[0012] Preferably, the industrial control component includes a servo driver and a pneumatic device with a telescopic end stroke of 600 millimeters for the second cylinder.

[0013] Preferably, a heat insulation shield is sleeved on the aluminum alloy bracket. A quick-opening side door is designed on the heat insulation shield, and a heat insulation aerogel heat insulation pad is lined inside. A transparent heat-resistant glass observation window is also designed on the heat insulation shield.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. Cooperate with the rear-end hot cutting knife device to provide preheating for the photovoltaic panel, greatly improving the output.

[0016] 2. The overall panel recovery rate of the photovoltaic panel is greatly improved, achieving no broken photovoltaic glass.

[0017] 3. The temperature energy consumption of the hot cutting knife can be greatly reduced.

[0018] 4. Heat and melt the EVA film in the preheating section. At a working temperature of 160°C to 180°C, the hot cutting knife can quickly separate the glass and the power generation component within 1 minute.

[0019] 5. Improve the market value of the ultra-white glass. The whole glass can be recycled, reducing the process and energy consumption of secondary use.

[0020] 6. In the production process of the crushing glass, re-crushing, purification, hot melt forming, cutting and other sections, the cost is saved.

[0021] 7. Reduce the temperature of the hot cutting knife from 400°C to 200°C, saving energy and reducing consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of the present utility model;

[0023] Figure 2 is a front view of the present utility model;

[0024] Figure 3 is a right view of the present utility model.

[0025] In the figure: 1. Frame; 2. Hanger; 3. First cylinder; 31. Push plate; 4. Guide rail; 5. Electric heating plate; 6. Second cylinder; 7. Aluminum alloy bracket; 8. Bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1 - 3, the present utility model provides a technical solution: a heating device for photovoltaic panel EVA glue, including: a frame 1, a PLC electric control system and an industrial control component. The frame 1 is used to carry all components and achieve standardized installation.

[0028] Bolt adjustment components are provided at the bottom ends of the four feet of the frame 1 for horizontal calibration of the frame 1.

[0029] A bearing platform is installed on the upper surface of the frame 1. The bearing platform is used to install an electric heating plate 5, and the electric heating plate 5 serves as a heat source.

[0030] An adiabatic gasket capable of insulating 600 °C is provided on the upper surface of the bearing platform to isolate heat conduction between the electric heating plate 5 and the bearing platform.

[0031] Blocking strips 8 are symmetrically provided at the edge of the upper surface of the bearing platform to prevent the photovoltaic panel from deviating from the bearing platform during heating.

[0032] A number of electric heating wires are provided inside the electric heating plate 5 for uniformly heating the photovoltaic panel.

[0033] A remote signal transmission component is installed on the frame 1, facilitating the system computer to receive and send instructions to achieve online control.

[0034] An aluminum alloy support 7 is fixedly installed on the frame 1. A horizontal support is suspended in the middle of the aluminum alloy support 7 through a suspension bracket 2. A second cylinder 6 is installed on the horizontal support. The telescopic end of the second cylinder 6 is fixedly connected to a sliding rod. Guide rails 4 are symmetrically and fixedly installed on the upper surface of the horizontal support. A first cylinder 3 is slidably arranged on the guide rails 4. The first cylinder 3 is fixedly connected to the sliding rod, and a push plate 31 is fixedly installed at the telescopic end of the first cylinder 3.

[0035] The telescopic end of the second cylinder 6 is a pneumatic device with a stroke of 600 millimeters, pulling the sliding rod forward and backward and driving the first cylinder 3 forward and backward.

[0036] During the forward movement of the first cylinder 3, the photovoltaic panel is pushed forward through the push plate 31.

[0037] A bearing slide seat is installed between the first cylinder 3 and the guide rail 4 to assist in directional movement.

[0038] An insulation shield is sleeved on the aluminum alloy support 7 to prevent heat from overflowing.

[0039] The insulation shield is designed with a quick-opening side door, lined with an insulation aerogel gasket, and also designed with a transparent heat-resistant glass observation window.

[0040] Working principle: After the photovoltaic panel enters the support platform, it is sent to the top of the electric heating plate 5, which preheats it to make the EVA film melt quickly. Then the first cylinder 3 animates the push plate 31 to descend and reach the edge of the photovoltaic panel. The second cylinder 6 is extended and retracted to push the push plate 31 to quickly push the photovoltaic panel away from the electric heating plate 5, and cooperate with the rear-end hot cutting knife device to provide preheating of the photovoltaic panel.

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heating device for photovoltaic panel EVA glue, comprising: Frame (1), PLC electric control system and industrial control components; It is characterized in that: a bearing platform is installed on the upper surface of the frame (1), and an electric heating plate (5) is installed on the bearing platform; Blocking strips (8) are symmetrically arranged at the edges of the upper surface of the bearing platform; An aluminum alloy bracket (7) is fixedly installed on the frame (1). A horizontal bracket is suspended and hoisted in the middle of the aluminum alloy bracket (7) through a hanging bracket (2). A second cylinder (6) is installed on the horizontal bracket. The telescopic end of the second cylinder (6) is fixedly connected to a sliding rod. Guide rails (4) are symmetrically and fixedly installed on the upper surface of the horizontal bracket. A first cylinder (3) is slidably arranged on the guide rails (4). The first cylinder (3) is fixedly connected to the sliding rod, and a push plate (31) is fixedly installed at the telescopic end of the first cylinder (3).

2. The heating device for a photovoltaic panel EVA adhesive according to claim 1, characterized in that, Bolt adjustment components are arranged at the bottom ends of the four feet of the frame (1), and a remote signal transmission component is installed on the frame (1).

3. The heating device for the EVA glue of a photovoltaic panel according to claim 1, wherein, An adiabatic gasket capable of heat insulation at 600 °C is provided on the upper surface of the bearing platform; 4. A heating device for a photovoltaic panel EVA adhesive according to claim 1, characterized in that, The industrial control component includes a servo driver and a pneumatic device with a telescopic end stroke of 600 mm for the second cylinder (6); 5. The heating device for the EVA glue of a photovoltaic panel according to claim 1, characterized in that, A heat insulation shield is sleeved on the aluminum alloy bracket (7). The heat insulation shield is designed with a quick-opening side door, lined with a heat insulation aerogel heat insulation pad, and is also designed with a transparent heat-resistant glass observation window.

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