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The Hydrophilic Aluminum Foil Evaporator is a specialized heat exchanger designed for HVAC and refrigeration systems. Its core component is hydrophilic aluminum foil, which enhances condensation management and heat transfer efficiency. The evaporator is engineered to reduce energy consumption and improve system reliability in both residential and commercial settings, with a design that prioritizes compactness and ease of integration.
The aluminum foil is coated with a super-hydrophilic layer—composed of zirconium-based compounds—that spreads condensate into a thin, uniform film, eliminating water droplet accumulation. This design reduces airflow resistance by 20% and improves heat exchange efficiency by 10–15% compared to standard aluminum evaporators . The coating’s molecular structure ensures it remains effective even after repeated thermal cycles.
The foil undergoes a multi-layer treatment—including chromate conversion and organic sealing—to withstand salt spray exposure for over 2,000 hours, making it suitable for coastal and industrial environments . The anti-microbial properties—tested against common bacteria like E. coli and Staphylococcus—also prevent mold growth, ensuring clean air quality in sensitive spaces such as hospitals.
The foil thickness ranges from 0.085–0.20 mm, with a width of 270–1,070 mm, allowing customization for compact or high-capacity systems. The fin pitch design—adjustable between 1.8–3.2 mm—optimizes airflow distribution for consistent performance. Computer-aided design ensures minimal material waste during production, reducing environmental impact.
The smooth condensate flow—guided by micro-grooves in the foil—minimizes water dripping noise to below 35 dB, making it ideal for quiet-sensitive environments like hospitals and offices. Vibration-dampening mounts further reduce operational sound, ensuring compliance with strict noise regulations.
Air Conditioning: Used in split systems and central air handlers for residential complexes and office buildings.
Refrigeration: Integrates with walk-in coolers and freezers in supermarkets and restaurants, maintaining stable internal temperatures.
Dehumidifiers: Enhances moisture removal efficiency in industrial drying processes, such as woodworking and textile production.
Automotive: Installed in car air conditioning systems for reliable cooling, with a design adapted to vehicle vibration and space constraints.
Q: How does the hydrophilic coating affect maintenance?
A: The coating reduces scale buildup by 40% compared to uncoated foils, extending the cleaning interval to 12–18 months. It also simplifies cleaning with non-abrasive solutions like mild detergents, reducing the risk of coating damage during maintenance.
Q: Can the evaporator handle high-pressure applications?
A: Yes. The unit is rated for pressures up to 2.0 MPa and maintains structural integrity under high-temperature operation (up to 80°C). Pressure testing is conducted at 1.5 times the rated capacity to ensure safety.
Q: What is the lifespan of the hydrophilic coating?
A: With proper maintenance, the coating retains its properties for 10–15 years, ensuring long-term cost-effectiveness . Accelerated aging tests simulate 15 years of use, confirming minimal degradation in hydrophilic performance.
