blower zero purge adsorption dryer for food processing

The blower zero purge adsorption dryer features an optimized blower design and innovative zero-air-consumption regeneration, significantly reducing energy consumption and operational costs. Its unique regeneration process requires no additional compressed air, maximizing energy efficiency and minimizing environmental impact—making it an excellent choice for industries with strict air quality and energy-saving requirements.

Features of the Blower Zero Purge Adsorption Dryer

1. Zero-air-consumption regeneration: Achieves true “zero-air-consumption” during regeneration, drastically lowering energy usage.
2. Rapid heating and cooling: Efficient blower-driven heater and cooler enable fast regeneration and cooling of the adsorbent.
3. Ultra-long adsorption cycle: High-performance adsorption tower and precise dew point control extend cycle times and minimize adsorbent replacement frequency.
4. Reliable temperature control: High-temperature vortex fan and intelligent systems ensure stable performance in extended operations.
5. High-efficiency airflow distribution: Stainless steel airflow distributor ensures uniform airflow for optimal drying efficiency.

Working Principle

Based on advanced adsorption drying technology, the process begins with compressed air passing through a filter to remove impurities and bulk moisture. The air then enters the drying tower filled with high-capacity adsorbent (molecular sieve or silica gel), which removes remaining moisture. For regeneration, a blower supplies low-pressure air that is heated by an electric heater, releasing the adsorbed moisture from the desiccant. The flow is then rapidly cooled, completing the regeneration without consuming compressed air—greatly improving energy efficiency.

Application Areas

• Electronics manufacturing: Provides dry air for pneumatic tools, precision instruments, and cleanroom environments.
• Food processing: Ensures dry air to prevent food spoilage and mold growth.
• Pharmaceutical industry: Maintains dry conditions during drug production and packaging to protect product integrity.
• Chemical industry: Delivers moisture-free air to chemical processes, improving reaction efficiency.
• Automation equipment: Supplies reliable dry air to pneumatic systems in robotics and automation, ensuring smooth operation.
• Machinery manufacturing: Prevents corrosion and enhances quality in cutting, spraying, and other processes.

Main Components & Technical Parameters

• Cast Aluminum High-Pressure Vortex Blower: CE-certified, high-pressure/high-temperature resistant, equipped with silencer for quiet operation.
• Pneumatic butterfly valve: Double eccentric, PTFE sealing for zero leakage at high temperature, corrosion-resistant.
• Electric heater: Stainless steel U-type tube with rapid heating, efficient heat exchange, and dual temperature sensors for precise control.
• Water-cooled series cooler: Stainless steel tubes, hydrophilic fins, water-saving pneumatic valve, high heat exchange efficiency.
• Air-cooled series cooler: Aluminum plate-fin heat exchanger with powerful silent fan for stable, long-term operation.
• Adsorbent: High-capacity desiccant, rigorously field-tested for long-lasting, non-pulverizing performance.
• Control & monitoring system: PLC, 10-inch LCD touchscreen, remote control, alarm functionality, and real-time dew point monitoring for safety and convenience.