Solar Photovoltaic Panel Recycling Machine
The service life of solar panels is 20 to 30 years. With the great development of the global solar energy manufacturing industry, there will be a wave of "scrapping" of photovoltaic panels all over the world. According to relevant statistics, by 2050, waste photovoltaic modules will even reach 80 million tons. Therefore, it is very important to strengthen the recycling of waste photovoltaic modules.
It is understood that in photovoltaic modules, glass accounts for about 70%, aluminum materials account for 18%, silicon materials account for 3.5%, non-ferrous metal copper accounts for about 1.5%, rare metals account for about 1%, and adhesive sealants account for 6%.
"Most of the materials of waste photovoltaic modules can be recycled and reused. It can be said that with the arrival of large-scale "scrap" of photovoltaic modules, how to recycle waste modules in an environmentally friendly manner has become an urgent industry problem to be solved."
Waste photovoltaic panel recycling equipment, through physical crushing and sorting, extracts silicon powder, copper powder and plastics with high market value. There are generally three main steps in the recycling of photovoltaic modules: first, disassemble the modules by machine or manually, and remove the backplane, wires and aluminum frame; second, crush the modules and remove the tempered glass; The battery panels are crushed and sorted to extract metals and plastics.
The main components of photovoltaic modules are aluminum frame, glass, battery sheet, EVA film and back plate. Among them, the main component of glass is silicon dioxide, and the secondary components are soda ash, limestone, magnesia, alumina, Glauber's salt, carbon; EVA is mainly ethylene-vinyl acetate copolymer; the core component of the cell is mainly monocrystalline silicon and Polysilicon; the main material of the frame is metal aluminum; the back plate is composed of two layers of PVF film and one layer of PET film. More than 90% of these materials can be recycled.
Machinable raw materials:
It is used to process all kinds of waste solar photovoltaic panels, photovoltaic modules, etc., and extract the metals inside, so that the resources can be reused. The equipment can recycle 95% of the material in crystalline silicon photovoltaic panels, and it is specially designed to deal with "crystalline silicon" photovoltaic panels that have reached the end of their life. A typical crystalline silicon solar panel is made of 65-75% glass, 10-15% aluminum frame, 10% plastic and 3-5% silicon. The photovoltaic panel recycling equipment produced by Resec can dismantle, sort, process and recycle 98% of its materials.
Finished products that can be processed:
After the sorted materials are processed and packaged, they will be sent to different industries for reuse. Two-thirds of glass is recycled as cullet, which is sent to the glass manufacturing industry; aluminum frames are sent to aluminum refineries; waste plastics can be used as fuel in cement plants; and recycled silicon can be recycled in the precious metals industry. Utilize; remaining cables and connectors are crushed and sold as copper beads.
Process flow:
The scrapped photovoltaic panels enter the shredder for shredding, and the shredded materials enter the shredder for crushing. The EVA film and monocrystalline silicon wafers are broken up. The broken materials enter the collector through the induced draft fan, and then are sorted. , sort out the silicon, and the remaining mixed material enters the pulverizer, and then enters the airflow sorting screen through the air locker, and the positive metal and plastic are collected through the airflow plus vibration, and the dust generated by the airflow sorter is collected at the same time .
Features:
1. Using crushing and sorting technology to realize the reuse of solar panels.
2. Compact structure, reasonable layout, stable performance and low noise.
3. The waste photovoltaic panel recycling and processing equipment adopts PLC to control the entire production line to feed materials evenly and coordinate operation.
4. The efficiency of the pulse dust removal equipment is as high as 99%, and the dust can be volatilized effectively, which fully meets the environmental protection requirements "Comprehensive Emission Standard of Air Pollutants" GB16297-1996, and has no secondary pollution.
Most materials of waste photovoltaic modules can be recycled. Although the silver, aluminum, tin and other metals contained in them are small in content, they have high recycling value. Using waste photovoltaic panel crushers and waste photovoltaic panel crushing equipment production lines can process the dismantling of power stations Components, dismantling of photovoltaic power generation panels, cells, silicon wafers, monocrystalline skins, monocrystalline silicon, polycrystalline skins, primary polycrystalline, polycrystalline square ingots, re-doped silicon materials, etc. to achieve the sorting process and results.
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