Portable PSA Nitrogen Gas Generator for Food Packaging
This PSA nitrogen generator is an advanced gas separation system utilizing pressure swing adsorption nitrogen generation technology. It employs food-safe carbon molecular sieve (CMS) to extract nitrogen from atmospheric air with adjustable purity levels. Specifically designed for food packaging applications, this portable system combines compact mobility with a wide purity range (99%-99.999%) to meet diverse preservation requirements.
As a core solution for onsite nitrogen generation, it eliminates contamination risks and logistical challenges associated with cylinder or liquid nitrogen supply. This energy-saving nitrogen generator features intelligent cycle control and lightweight design, reducing energy consumption while ensuring compliance with global food safety standards (FDA, CE, HACCP).
Core Technical Parameters
| Nitrogen Production (Nm³/h) |
Effective Air Consumption (Nm³/min) |
Inlet Pipe Size (DNmm) |
Outlet Pipe Diameter (DNmm) |
Host L × W (mm) |
| 5 | 0.7 | 25 | 15 | 1150×600 |
| 10 | 1.4 | 25 | 15 | 1250×880 |
| 20 | 2.8 | 40 | 15 | 1750×1000 |
| 30 | 4.2 | 40 | 25 | 2150×1100 |
| 40 | 5.6 | 50 | 25 | 2250×1140 |
| 50 | 7.0 | 50 | 25 | 2500×1150 |
| 60 | 8.4 | 50 | 25 | 2750×1450 |
| 80 | 11.2 | 65 | 32 | 2750×1450 |
| 100 | 14.0 | 65 | 32 | 2850×1550 |
| 200 | 28.0 | 65 | 32 | 3250×1820 |
| 300 | 42.0 | 80 | 40 | 3500×2150 |
99%-99.999% Adjustable Purity: Meeting Diverse Food Preservation Needs
Food packaging requires tailored nitrogen purity to balance preservation effectiveness and cost. This PSA nitrogen generator offers a wide purity range to accommodate various requirements:
- 99.0% Purity: Ideal for low-sensitivity foods (e.g., potato chips, crackers), preventing oxidation and extending shelf life by 3-6 months without unnecessary energy consumption.
- 99.9%-99.99% Purity: Suitable for baked goods, nuts, and dried fruits, inhibiting microbial growth while maintaining product texture and flavor.
- 99.999% Purity: Critical for high-value, perishable foods (e.g., fresh seafood, premium meat), reducing oxygen residual to ≤50ppm and extending shelf life by 2-3 times compared to traditional packaging.
The generator features easy purity adjustment via a digital control panel, allowing operators to switch between settings in minutes—eliminating the need for multiple nitrogen sources. This flexibility makes it a versatile solution for food enterprises producing diverse product lines.
Food Safety Compliance: Material & Hygiene Standards
Food-grade PSA nitrogen generators must meet strict material and hygiene requirements to avoid product contamination:
- Contact Materials: All components in contact with nitrogen (pipelines, valves, adsorption towers) are made of 304 stainless steel, which is corrosion-resistant, non-toxic, and easy to clean. Seals and hoses comply with FDA and EC 1935/2004 standards.
- Hygiene Design: Smooth surfaces without dead corners, detachable air filters, and dust-proof enclosures minimize debris accumulation, ensuring compliance with GMP standards.
- Sterile Nitrogen Production: Multi-stage air purification removes oil, moisture, and particles, producing nitrogen that meets food contact requirements.
PSA vs. VPSA: Why Portable Food Packaging Prefers PSA Technology
While both PSA and VPSA technologies produce nitrogen, PSA is inherently better suited for portable food packaging applications:
- Compact Size & Weight: PSA systems use high-pressure adsorption with smaller adsorption towers, enabling integration into portable frames (45-180kg).
- Energy Efficiency: PSA systems consume 2.5-20kW of power, ideal for small food enterprises with limited energy budgets.
- Quick Startup: PSA generators start in 3-5 minutes, aligning with intermittent operation of small packaging lines.
- Low Maintenance: PSA systems have fewer moving parts (no vacuum pumps), reducing maintenance needs and downtime.
For portable food packaging, this high-efficiency PSA nitrogen generator offers the optimal balance of mobility, efficiency, and cost-effectiveness.
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