Solar Panel Sintering Tunnel Furnace
The Solar Panel Sintering Tunnel Furnace is a core thermal processing equipment used in photovoltaic cell production lines. It adopts infrared radiation heating or microwave heating technology to rapidly heat and cool silicon wafers printed with front and rear electrode pastes. This process enables the formation of excellent ohmic contact between the metal paste and silicon wafer, directly affecting the electrical conversion efficiency of solar cells.
Applications
Front Silver Paste Sintering:
Used to form front grid electrodes for efficient current collection and photovoltaic power output.
Rear Aluminum Paste Sintering:
Used to form the back surface field (BSF), reducing minority carrier recombination.
Rear Silver Paste Sintering:
Used to form rear busbar electrodes for subsequent welding processes.
Product Parameters
| Parameter | Technical Specifications |
|---|---|
| Rated Temperature | Up to 1000℃ |
| Temperature Control Accuracy | ±1℃ |
| Mesh Belt Width | 300mm – 600mm (customizable) |
| Process Speed | Up to 6000mm/min (high-speed sintering) |
| Heating Zones | 8 – 12 independently controlled temperature zones |
| Cooling Method | Forced air cooling or water cooling system |
Features
Extremely Fast Heating Rate:
The equipment can reach peak sintering temperature within seconds, greatly improving production efficiency.
High Temperature Uniformity:
The horizontal temperature difference is controlled within ±2℃, ensuring consistent sintering quality across the entire wafer surface.
Significant Energy Saving:
Adopts advanced lightweight fiber insulation materials to reduce heat loss and improve energy efficiency.
Highly Stable Operation:
The variable frequency drive transmission system ensures smooth mesh belt movement without vibration.
Intelligent Control System:
PLC combined with touch screen control supports real-time process curve storage and recipe management.
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