Refrigeration air dryers remove moisture from compressed air by cooling it to roughly 3`C (37`F), causing water to condense and drain away. They utilize a refrigerant circuit, heat exchanger, and separator to protect equipment from corrosion. Ideal for general industrial applications, they achieve a pressure dew point of Class 4 or higher (+3`C to +10`C), ensuring dry, reliable air. Key Details and Components Working Principle: Warm, saturated air enters an air-to-air heat exchanger, is pre-cooled, then cooled further in an air-to-refrigerant evaporator. Water condenses, is trapped in a separator, and removed by an auto-drain valve. Finally, the dry air is reheated to prevent pipe sweating. Key Components: Refrigerant compressor, condenser, expansion valve, evaporator, air-to-air heat exchanger, moisture separator, and automatic drain. Types: Non-Cycling: Constantly running, which is cheaper initially but less efficient. Cycling/VSD: Cycles on/off or adjusts speed to match load, significantly saving energy. Performance: Achieves a pressure dew point of typically + 3`C to 10`C + (37`F to 10`F). Cooling Methods: Available in air-cooled (most common) or water-cooled variants. Applications & Advantages Benefits: Prevents corrosion, tool damage, and product contamination. Reliable, affordable, and requires minimal maintenance. Common Uses: General manufacturing, pneumatic tools, workshop air, and painting applications. Mellcon Engineers Operational Considerations Limitations: Cannot reach the ultra-low dew points needed for specialized, sub-freezing applications (which require desiccant dryers). Maintenance: Regularly check auto-drains and clean condenser coils. Important Specifications Inlet Temperature: Usually designed for around 35`C (95`F) or higher. Pressure: Standard operation typically around 7 bar(e) / 102 psig.
Address
S F No, 27&28, Kannuswamy Gounder St, Rathinapuri, Coimbatore, Tamil Nadu 641027
Coimbatore, India, 641027