Frequency Conversion Refrigerated Air Dryer Overview
The frequency conversion refrigerated air dryer is engineered to provide stable, energy-efficient compressed air drying for modern industrial systems. Beyond standard specifications, users often want to know how its design improves cooling efficiency, reduces energy consumption, and ensures consistent dew points under varying load conditions.
This article explores these aspects to help users make informed decisions.
Design Principles and Advantages
Optimized Evaporator Core
The evaporator core is centrally positioned within the heat exchanger assembly. This design reduces cold loss and increases available cooling capacity to the pre-cooler, enhancing overall system efficiency.
Advanced Water Separation
The integrated water separator ensures complete condensation removal. A 304 stainless steel wire mesh cascade efficiently separates liquid from gas, delivering clean, dry compressed air suitable for precision equipment.
Energy-Saving Operation
Pressure loss under full load is minimal (<0.01 MPa), reducing compressor load.
Optional frequency conversion control optimizes energy consumption for varying airflow requirements.
Operating Conditions
Applicable Fluids: Compressed air, non-corrosive air
Rated Inlet Pressure: 0.7 MPa (0.6–1.0 MPa allowed, other pressures customizable)
Rated Air Inlet Temperature: 45°C (limit ≤60°C)
Outlet Dew Point: 2–10°C
Rated Ambient Temperature: 35°C (usable 2–45°C)
Cooling Method: Air-cooled or water-cooled, depending on installation
Technical Parameters
| Model | Processing Capacity (m³/min) | Power (kW) | Interface Size | Weight (kg) | Dimensions (mm) L×W×H |
|---|---|---|---|---|---|
| LY-DB30A | 3.8 | 0.44–1.25 | G1½” | 105 | 1000×600×1050 |
| LY-DB50A | 7.0 | 0.48–1.42 | G1½” | 130 | 1100×600×1100 |
| LY-DB75A | 10.5 | 0.60–1.90 | G2″ | 155 | 1250×700×1155 |
| LY-DB100A/W | 13.5 | 0.80–3.60 | G2½” | 350 | 1400×850×1350 |
| LY-DB120A/W | 17.0 | 1.02–3.61 | DN80 | 450 | 1570×800×1200 |
| LY-DB150A/W | 21.5 | 1.02–4.03 | DN80 | 480 | 1500×950×1400 |
| LY-DB180A/W | 25.0 | 1.40–5.50 | DN80 | 530 | 1835×940×1480 |
| LY-DB200A/W | 28.5 | 1.40–6.20 | DN80 | 540 | 1835×940×1480 |
| LY-DB250A/W | 32.0 | 2.02–7.58 | DN80 | 560 | 1835×940×1480 |
| LY-DB300A/W | 37.0 | 1.83–6.75 | DN100 | 680 | 1900×980×1580 |
Note: For air volumes over 120 m³/min or custom specifications, please contact Lingyu directly.
Applications and Industry Use
The frequency conversion refrigerated air dryer is ideal for industries and systems requiring reliable, high-quality compressed air, including:
Laser cutting and CNC machinery
Laboratory analyzers and environmental chambers
Pneumatic automation and medical air compressors
Electronics testing and robotic machinery
Graphic printing and air-bearing systems
FTIR spectrometers, air turbines, and CEMS systems
Its low pressure loss, consistent dew point, and optional frequency conversion make it suitable for plant-wide centralized air systems.
Why Choose Lingyu
Lingyu provides more than high-quality dryers:
Complete compressed air treatment and gas purification solutions
Customized filtration, drying, and energy-efficient systems
Technical guidance from system design to installation and maintenance
Share your air quality requirements with our experts, and we will develop the optimal solution for your application.
Contact Us
Looking for a reliable, energy-efficient frequency conversion refrigerated air dryer?
Our technical team is ready to provide quotes, technical datasheets, and guidance to match your facility’s needs.
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2, Frequency conversion energy saving: Brand inverter, frequency conversionrange 30Hz~90Hz, by changing the electromechanical frequency of the dryer tomatch the actual working conditions;






