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Solar Panel Pyrolysis Tunnel Furnace
Raw Materials:Waste solar panels and solar PV modules.
Final Products: Copper Wire, Silicon Wafer, Glass Mixture.
Main Part: Furnace body structure system, heating and temperature control system, drive and conveying system, ventilation and exhaust gas treatment system, safety and auxiliary systems.
Product Description
Our Continuous Solar Panel Pyrolysis Tunnel Furnace is an advanced, industrial-grade thermal recycling solution designed for the mass processing of scrapped photovoltaic (PV) modules. By operating in an oxygen-free or low-oxygen controlled environment, it thermally decomposes the EVA encapsulation and backsheet layers without damaging the brittle silicon cells. This allows recycling facilities to recover intact silicon wafers and high-purity precious metals with maximum efficiency.
Working Principle
The core operating principle of the solar photovoltaic panel tunnel furnace involves precise heat treatment of materials via heat conduction, utilizing zoned temperature control and continuous conveyance. The process primarily consists of four steps.
1. Feeding & Preheating: Photovoltaic modules (with junction boxes and aluminum frames removed) enter the continuous conveyor of a tunnel heating furnace.
2. Controlled Pyrolysis: Inside an oxygen-free tunnel, the temperature is raised to an optimal level, causing the polymer substrates to gasify.
3. Gas Extraction & Recycling: Volatile organic compounds (VOCs) are extracted to a gas treatment system; after purification, they are utilized as an auxiliary heat source.
4. Cooling & Separation: Clean silicon wafers, copper ribbons, and glass—free of carbon residue—exit the cooling zone, ready for sorting and chemical refining.
Final Products: Copper wire, silicon wafer and glass mixture
Product Key Advantages
Intact Wafer Recovery: Controlled horizontal heating ensures clean separation without cracking the valuable silicon cells.
Continuous Conveyor System: Tunnel design enables 24/7 non-stop automated feeding and discharging for high-throughput industrial demands.
Eco-Friendly & Low Emissions: Integrated with a secondary combustion chamber and flue gas cleaning system to meet strict environmental standards (EPA/CE).
Energy-Efficient Design: Pyrolysis gases generated during the process are recycled back into the furnace as fuel, drastically reducing operating costs.
Precise Multi-Zone Temperature Control: Features multi-stage PID heating zones to accurately manage the decomposition temperatures of different polymer layers.
Technical Parameters
| Model | YS-PV-PTF120M / YS-PV-PTF240M |
| Processing Capacity | 1.0 – 3.0 Tons / Hour (Customizable) |
| Operating Temperature | 400°C – 600°C (Max design: 800°C) |
| Heating Source | Electricity / Natural Gas / LPG / Pyrolysis Gas Recycled |
| Atmosphere Control | Nitrogen (N₂) Purged / Sealed Oxygen-Free Environment |
| Voltage Supply | 380V / 50Hz / 3-Phase (Customizable) |
| Tunnel Length | 12 Meters – 24 Meters (Based on capacity layout) |
| Control System | Centralized PLC Touch Screen with Smart Temperature Monitoring |
| Emission Standard | Zero dark smoke, fully compliant with international eco-regulations |
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