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Radio Frequency
Radio Frequency (RF) energy and microwave energy are both
dielectric heating technologies, where high-frequency electromagnetic
radiation generates heat to dry moisture in nonmetallic materials.
RF waves are longer than microwaves, enabling them to penetrate
larger objects better than microwave energy.
Material to be dried is placed in a high-frequency electric
field created between a set of parallel plates or bars. Water
molecules in the material are heated until they become steam.
Air circulating through the drying chamber removes the steam
and prevents condensation.
Radio Frequency (RF) drying has been successfully used in the
textile and furniture industries for over 30 years and its use
has progressively grown in other industries such as food processing
and paper manufacturing.
Industrial Applications
- Instantaneous glue setting in furniture manufacturing
- Drying natural and synthetic textiles
- Drying water-based adhesives, emulsions and coatings at
high production speeds
- Post-bake drying and moisture control in food
- Moisture removal from glass fibers in both roving and bale
form
- Preheating fiber mat board
Industrial Benefits
- Quick response time
- Accurate final moisture control/moisture leveling
- Environmentally friendly
- Moisture removal at low temperatures
- Low maintenance
- Energy efficient
Advanced Energy's Services
Radio frequency heating is a proven heat process technology
that is effective, reliable and cost-efficient for many industrial
applications. As a nonprofit, independent organization, Advanced
Energy can evaluate, test and recommend unbiased solutions to
help you meet your objectives.
- If you are already using radio frequency heating, we can
review your process and equipment to ensure optimal production
quality, product quality and environmental compliance.
- If you have made the decision to use RF heating, we can
evaluate your implementation plan and validate your approach
— our specialists can also assist you with vendor contact
information, establishing the bid process and any other start-up
issues.
- If you are considering RF heating for an industrial application,
we can work with you as a trusted resource throughout the
process (from evaluation through implementation). We can even
provide you with economic and return-on-investment information
to help you justify the purchase.
- At our state-of-the-art laboratory, you can see demonstrations
of RF heating technology. We can apply extensive temperature
monitoring, including IR thermography, to evaluate potential
solutions.
For More Information
Contact Mark Gentry at (336) 679-4020 or mgentry@advancedenergy.org.
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