Solar Glass Tempering Furnace

The Solar Glass Tempering Furnace is a continuous tempering system developed for photovoltaic glass, including thin ultra-clear float and patterned/prismatic solar glass. It combines controlled multi-zone heating, stable roller conveying and balanced air quenching to achieve the mechanical strength and optical quality required for solar-module glass.

Optical Distortion Control
Solar glass is more sensitive to roller wave, thermal distortion and optical irregularities because surface and transmission quality directly affect module performance.

Thin Glass Processing
Thin solar glass requires controlled heating, stable conveying and balanced quenching to avoid thermal distortion and maintain consistent tempering results.

Patterned Glass Handling
Textured and prismatic solar glass requires stable roller contact and controlled thermal processing to preserve the surface structure and optical consistency.

Multi-Zone Heating: Independent heating zones allow the thermal profile to be adjusted for different solar glass thicknesses and surface structures.

Roller System for Optical Quality: Heat-resistant ceramic rollers provide stable glass conveying through the furnace. Roller alignment and movement stability are controlled to reduce roller-related optical defects.

Balanced Air Quenching: Separate upper and lower air systems provide balanced cooling across both glass surfaces. Air distribution and cooling conditions are controlled to support uniform stress and reduce distortion in thin glass.

Optical Quality Verification: Production samples can be checked for visible surface defects, optical distortion, roller wave and fragmentation after tempering according to the agreed quality requirements.

Solar Glass Processing: The furnace is suitable for ultra-clear float and patterned/prismatic solar glass used in photovoltaic applications.

Standard Configuration: 

Optional Configuration:

Heating Uniformity Check: Temperature is measured at multiple positions across the heating area to verify the thermal profile between heating zones.

Roller Alignment Check: Roller level, spacing, rotation and alignment are checked before production trials to reduce conveying deviation and roller-related defects.

Quench Air Verification: Upper and lower quench systems are operated to verify air delivery and cooling response across the working width.

Tempered Glass Test: Production samples are heated and quenched using commissioning parameters, then checked for fragmentation, visible defects and optical distortion against the agreed requirements.

Factory Acceptance Test: Before shipment, the completed furnace can undergo FAT covering heating, roller conveying, electrical and control functions, quenching operation and agreed sample-glass tempering trials.

Site Preparation: The installation site should provide the required foundation and floor capacity, electrical supply, compressed air, cooling and ventilation systems.

Equipment Access: The installation plan should allow sufficient access for furnace delivery, lifting, positioning, commissioning and future maintenance.

Utility Preparation: Electrical capacity, cooling infrastructure, compressed-air supply and other required utilities should be prepared before installation.

Technical Documentation: The supplied documentation can include equipment layout, foundation requirements, electrical and air-system documents, operation and maintenance manuals, and recommended spare-parts lists.

Main Wear Components: Typical maintenance parts include ceramic rollers, heating elements, thermocouples, drive belts and sensors.

Preventive Maintenance: Routine inspection covers roller condition, roller alignment, heating elements, temperature sensors and conveying components. Maintenance intervals depend on production conditions and operating hours.

Replacement Supply: Replacement parts can be supplied according to the original machine configuration and component specifications.

Technical Maintenance Support: Remote assistance is available for fault diagnosis, parameter checks and replacement-part identification.

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