Fully Automated Pyrolisis Recycling Line for PV Modules
With the rapid development of the photovoltaic industry, a large number of photovoltaic modules that have reached the end of their service life are gradually entering the scrap phase. These scrap modules contain high-value recyclable materials such as silicon wafers, glass, and aluminum frames. If these materials are simply landfilled or disposed of in an unregulated manner, it will result in environmental pollution and resource waste. SUNY GROUP's fully automated pyrolysis recycling line utilizes advanced pyrolysis technology to achieve efficient separation and recycling of module materials.
Technical Process and Core System
The entire recycling line begins with a fully automated disassembly machine, which first completes pre-processing steps such as frame removal and junction box removal to ensure efficient subsequent operations. The core component is the pyrolysis reactor system, available in continuous or batch configurations. The reactor chamber is constructed from high-temperature-resistant alloy materials, with precise temperature control ranging from 400°C to 600°C. It can operate under vacuum or inert gas conditions to prevent material oxidation. Components are decomposed at high temperatures inside the reactor, with the adhesive film breaking down into collectable gases and solid residues, effectively releasing silicon wafers and glass. Pyrolysis products are collected via specialized mechanisms and stored separately as combustible gases or residues for subsequent utilization or disposal.
After pyrolysis, materials enter the cooling and sorting system, where they can be cooled using either a cooling conveyor belt or a fluidized cooling bed. Modular separation equipment separates silicon wafers, glass, and metal materials, combined with auxiliary processes such as magnetic separation and electrostatic separation to maximize purity and recovery rates. The gas treatment and environmental emission system uses multi-stage purification devices to ensure that exhaust gases meet emission standards and comply with environmental regulations. The entire line is equipped with an automatic control and monitoring system to monitor temperature, atmosphere, product collection, and equipment status in real time, ensuring production stability and safety.
Application Effects and Advantages
In practical applications, the fully automated pyrolysis recycling line achieves silicon wafer recovery rates exceeding 90%, glass recovery rates approaching 95%, and nearly 100% recovery of aluminum frames and other metal materials. Compared to traditional mechanical separation or chemical immersion methods, pyrolysis technology offers advantages such as thorough processing, high separation precision, and minimal material damage, while avoiding secondary pollution caused by chemical reagents. Its high degree of automation not only reduces labor costs but also enhances processing efficiency and economic returns.
This fully automated pyrolysis recycling line is not only an environmental tool for addressing the photovoltaic waste crisis but also a crucial component in promoting resource recycling and building a green energy supply chain. For companies looking to enter the photovoltaic recycling sector, it is undoubtedly a core piece of equipment that combines environmental benefits with economic efficiency.
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