Recovery method and device for complete glass photovoltaic module

A technology for photovoltaic modules and recycling methods, applied in glass recycling, electronic waste recycling, recycling technology, etc., can solve the problems of high recycling rate, reducing separation difficulty, and low operating cost.

Pending Publication Date: 2020-10-20
QINGHAI HUANGHE HYDROPOWER DEV +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the deficiencies in the prior art, the present invention provides a method and device for recycling a complete glass photovoltaic module, which overcomes the defects of existing photovoltaic module processing methods, and can achieve sufficient separation of a single component in a photovoltaic module, and Does not produce waste gas that affects the environment, reduces the difficulty of separation, low operating costs, and high recovery rate

Method used

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  • Recovery method and device for complete glass photovoltaic module
  • Recovery method and device for complete glass photovoltaic module
  • Recovery method and device for complete glass photovoltaic module

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Embodiment 1

[0043] The method for recycling the complete glass photovoltaic module of the embodiment of the present invention can be used to recycle the photovoltaic module with relatively complete surface glass and no glass damage, and can recycle the whole piece of complete glass, avoiding the impact of glass crushing on the difficulty of the recycling process. see figure 1 , the recovery method of the complete glass photovoltaic module of this embodiment mainly includes:

[0044] S01. Remove the junction box, metal frame and backplane by mechanical separation.

[0045] S02, heating and softening the EVA material.

[0046] S03. Peel off the complete glass on the surface of the complete glass photovoltaic module.

[0047] S04, crushing the photovoltaic module after peeling off the complete glass into a granular mixture.

[0048] S05. Heating the granular mixture to vaporize the EVA material, so that the silicon wafer and the metal ribbon are separated from each other.

[0049] S06, sie...

Embodiment 2

[0080] like image 3 As shown, the recovery device of the complete glass photovoltaic module in this embodiment mainly includes a mechanical separation chamber 1, a crushing mechanism 2, a heating chamber 3, a screening mechanism 4, a glass separation mechanism 5 and a transmission mechanism 6, wherein the transmission mechanism 6 is used as the whole The conveying part of the device is used to transfer materials among the mechanical separation chamber 1, the glass separation mechanism 5, the crushing mechanism 2, the heating chamber 3, and the screening mechanism 4. The mechanical separation chamber 1 is used to remove the junction box, The metal frame and back plate, the glass separation mechanism 5 is used to separate the complete glass on the surface of the photovoltaic module after removing the junction box, metal frame and back plate, including a preheating chamber 50 and a vacuum chuck assembly 51 located in the preheating chamber 50, The heating block 52, the heating b...

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Abstract

The invention discloses a recovery method and device for a complete glass photovoltaic module. The recovery method comprises the following steps of dismantling a junction box, a metal frame and a backplate by adopting a mechanical separation method; heating to soften the EVA material; stripping the complete glass on the surface of the complete glass photovoltaic module; crushing the photovoltaicmodule from which the complete glass is stripped into a granular mixture; heating the granular mixture, and gasifying the EVA material to enable silicon wafer and metal solder strip to be in a mutually separated state; and screening the silicon wafer and the metal solder strip which are in a separated state, and respectively recovering the silicon wafer and the metal solder strip. The invention further discloses a recovery device of the complete glass photovoltaic module. The complete glass photovoltaic module is recovered in a mechanical and thermal decomposition combined separation mode, full separation of single components in the photovoltaic module is achieved, and due to the fact that glass is stripped in advance, the monomer separation difficulty in the subsequent recovery process isreduced, waste gas affecting the environment cannot be generated, the separation difficulty is reduced, the operation cost is low, and the recovery rate is high.

Description

technical field [0001] The invention relates to the technical field of photovoltaic product recycling, in particular to a method and device for recycling a complete glass photovoltaic module. Background technique [0002] Since 2015, my country has become the country with the largest installed photovoltaic power generation capacity and power generation in the world. The service life of photovoltaic modules is about 20 to 25 years, and the recycling of photovoltaic modules after the expiration of the service life will be a major problem in the future. From 2020, the solid waste of solar cells in my country will increase significantly, and the cumulative amount of waste will gradually increase. By 2030, the recycling scale of photovoltaic modules will reach 60GW, about 4.5 million tons of photovoltaic panels. The components contain valuable metals such as copper, aluminum, tin and silver, and solar-grade silicon, etc., which have quite high recycling value and economic value...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00H01L31/18
CPCB09B3/00B09B5/00H01L31/18B09B3/40Y02W30/20Y02W30/60Y02W30/82Y02P70/50
Inventor 郑璐梁汉马昀锋马崇振杨紫琪张胜广何银凤张建文雷鸣宇廖乾张占升韩金豆
Owner QINGHAI HUANGHE HYDROPOWER DEV
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