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Heatless Desiccant Air Dryer

Heatless purge desiccant air dryers remove moisture from compressed air using desiccant materials that adsorb water vapor. The process involves cycling between adsorption and regeneration phases, where the desiccant is purged with dry air, ensuring efficient moisture control without the need for external heat sources.

  • Heatless desiccant dryer 1. 650x450
  • Heatless desiccant dryer 2. 650x450
  • Heatless desiccant dryer 1. 650x450
  • Heatless desiccant dryer 2. 650x450

Heatless Desiccant Air Dryer SAD-WXF Series

  • Air Capacity: 1.2-130 [Nm³/min], 42-4590 [cfm]
  • Pressure Dew Point: -20–40 [℃], -4–40 [℉]
  • Pressure Range: 0.6-1.0 MPa

The heatless regenerative adsorption dryers utilize the micropores inherent in the desiccant material to adsorb moisture from the air through capillary action. Simultaneously, it removes the adsorbed moisture by means of pressure relief desorption and residual heat reactivation. Typically designed in a dual-tank configuration, the system operates alternately under the control of a program controller, with one tank absorbing moisture while the other undergoes desorption and regeneration, enabling continuous operation.

Basics

  • Standard 10-Minute Cycle
  • Pressure Dew Point as Low as -40°C
  • Regeneration Air Consumption <10%

Control System

  • Automated Control : Employs a microcontroller for stable and reliable operation, with optional PLC control for selection.
  • User-Friendly Interface: Includes automatic valve status display and straightforward operation for easy maintenance.
  • Alarm System: Equipped with alerts for high intake temperature, low intake pressure, and excessive heating temperature (for heated models).
  • Energy Efficiency: Regenerated air consumption can be adjusted based on actual load and temperature, enhancing energy efficiency.
  • Flexible Cycle Timing: Offers customizable switching cycle times to meet specific dew point requirements for products.

Spare Parts & Accessaries

  • High-Quality Adsorbent: Utilizes premium high adsorption activated alumina for effective moisture removal.
  • Reliable Check Valve: Ensures dependable performance for system integrity.
  • Robust Solenoid Valve: Modular design with operational indicators for easy maintenance; includes a dust filter to prevent contamination of pneumatic components, reducing valve failure rates.
  • High-Quality Changeover Valves: Stable and reliable, ensuring the integrity of the operating process and extending the service life of components.
  • Advanced Silencer: Made with high-temperature acoustic glass wool and specially treated sound-absorbing materials, achieving noise levels ≤ 72dB(A) during regeneration.
  • Durable Pneumatic Valves: Offers longer lifespan compared to electric solenoid valves, ensuring stable long-term operation of the dryer.
  • Stainless Steel Diffuser: Provides stability, diffusion, and filtration for airflow management.

Heatless desiccant air dryer 940x610

Heatless Regenerative Desiccant Air Dryer Flow Diagram 1140x600

Frequently Asked Questions

The following are frequently asked by our customers about compressor dryer.

What air capacity range do heatless desiccant air dryers handle?

Heatless desiccant air dryers are available with capacities from 1.2 to 130 Nm³/min (42 to 4590 cfm), allowing them to support a wide variety of applications from small systems to large industrial setups.

What pressure dew point can I expect from a heatless desiccant air dryer?

These dryers achieve a pressure dew point between -20 and -40°C (-4 to -40°F), providing extremely dry air suitable for sensitive applications where moisture could cause contamination or equipment damage.

What operating pressure range do these dryers support?

Our heatless desiccant air dryers operate effectively within a pressure range of 0.6 to 1.0 MPa, making them versatile for various industrial applications where standard compressed air pressure is required.

How often should I replace the desiccant in a heatless desiccant air dryer?

Desiccant replacement is generally recommended every 2 years, depending on usage and air quality. Regular maintenance can extend desiccant life by ensuring optimal performance and air quality.

 

Are heatless desiccant air dryers energy-efficient?

Yes, heatless desiccant dryers are energy-efficient by design, using a portion of the dried air to regenerate the desiccant beds, which eliminates the need for additional heaters, minimizing operational costs.

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