Innovative technology: Application of infrared heating lamps in the glass industry
With the continuous advancement of science and technology, all areas of manufacturing are seeking more efficient, precise, and innovative production processes. The glass processing industry is no exception. Infrared heating lamps, with their fast heating speed, concentrated energy, precise temperature control, and directional heat transfer, play a key role in multiple production processes in the glass industry, effectively solving the problems of low efficiency, uneven heating, and high energy consumption associated with traditional heating methods.
Many process stages in glass processing require heating, and infrared heating technology provides an effective and efficient solution to the heating problems in these process stages.
1. Preheating of Laminated Glass
Laminated glass undergoes several heating stages during production and processing, and infrared heating lamps effectively accomplish these stages. Two key pieces of equipment for further processing of laminated glass are the laminator and the autoclave. While glass only absorbs approximately 25% of infrared light with a wavelength of 2.4 μm, PVB foil can absorb up to 90% of the same light, meaning the plastic foil effectively absorbs energy.
2. Glass Cutting Machine
Laminated glass cutting requires not only a cutting blade but also an effective heating method to quickly soften the intermediate plastic foil.
A medium-wave infrared emitter with a fast reaction time and a gold-coated reflector heats the foil in the small cracks created by the glass breakage. The foil can then be easily separated by pulling or cutting. The infrared emitter is typically dual-tube, with a single heating channel and 30° wide-angle directional heating for focused, targeted heating. This achieves rapid melting of the laminated material.
3. Drying Paint and Coatings on Glass
A wide variety of coatings on glass are continuously dried using infrared emitters, whether it's screen printing on car windshields, coatings on the back of rearview mirrors, or paint on decorative glass. The infrared radiation penetrates the material, accelerating the drying of the paint or coating, saving time, space, and energy.
4. Glass Bending and Forming
In the bending process for special-shaped glass (such as automotive windshields and curved architectural glass), infrared heating lamps, through a zoned temperature control design, precisely apply heat to different areas of the glass, rapidly raising the temperature to the softening point and then collaborating with molds to complete the bending process. Compared to traditional furnace heating, this method offers a faster thermal response (up to 50% faster heating rate) and more uniform heating of the glass, effectively reducing deformation or cracking caused by temperature differences and improving the precision of the finished product.
In summary, infrared heating lamps, with their advantages of "precise temperature control, efficient heat transfer, energy saving and consumption reduction", run through key links in glass production such as coating, printing, molding, and tempering, becoming the core technical support for improving product quality and production efficiency.
Infrared heating: core advantages
Infrared heating lamps offer irreplaceable core advantages over traditional heating methods (such as hot air and resistance wire heating) in the glass industry. These advantages are reflected in the following aspects:
● High heating efficiency, significantly increasing production capacity
● Precise temperature control, ensuring product consistency
● Targeted heating, reducing energy consumption and losses
● High adaptability, meeting diverse needs
● Fast response, facilitating automated integration
These advantages directly address the pain points of low efficiency, high energy consumption, and inconsistent quality in glass production, becoming a key technical support for upgrading glass production processes.
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