Essential High-Purity Nitrogen for Glass Production
In the glass industry, nitrogen is critical for float glass production, tin bath protection, annealing processes, oxidation prevention, and furnace atmosphere control. Even trace oxygen content can negatively affect glass surface quality and tin bath life. Therefore, a high-purity nitrogen generator capable of delivering 99.999% purity is essential.
A 90 Nm³/hr PSA nitrogen generator offers sufficient flow for medium-to-large glass production lines while maintaining ultra-low oxygen content. Compared with external nitrogen supply, a dedicated PSA nitrogen generation system ensures process stability, cost predictability, and uninterrupted operation.
Technical Specifications: 90 Nm³/hr PSA Nitrogen Plant
| Capacity (Nm³/hr) |
Purity (%) |
Length (mm) |
Width (mm) |
Height (mm) |
Weight (kg) |
Inlet Size (DN) |
Outlet Size (DN) |
| 5 | 99 | 1000 | 1000 | 1640 | 380 | DN15 | DN15 |
| 99.9 | 1000 | 1000 | 1640 | 380 | DN15 | DN15 |
| 99.99 | 1300 | 1100 | 1400 | 560 | DN15 | DN15 |
| 99.999 | 1300 | 1100 | 1400 | 560 | DN15 | DN15 |
| 20 | 99 | 1450 | 1300 | 1450 | 700 | DN20 | DN15 |
| 99.9 | 1500 | 1400 | 2030 | 900 | DN25 | DN20 |
| 99.99 | 1500 | 1500 | 1700 | 1000 | DN25 | DN15 |
| 99.999 | 1600 | 1450 | 1950 | 1400 | DN25 | DN15 |
| 50 | 99 | 1600 | 1400 | 2100 | 1100 | DN25 | DN20 |
| 99.9 | 1700 | 1500 | 2100 | 1300 | DN25 | DN15 |
| 99.99 | 1700 | 1550 | 2160 | 1500 | DN40 | DN25 |
| 99.999 | 2000 | 1800 | 2500 | 2300 | DN40 | DN40 |
| 100 | 99 | 1600 | 900 | 2230 | 1050 | DN40 | DN50 |
| 99.9 | 1800 | 1750 | 2250 | 1400 | DN40 | DN25 |
| 99.99 | 2100 | 1950 | 2250 | 2700 | DN40 | DN40 |
| 99.999 | 2200 | 1300 | 2900 | 3300 | DN65 | DN40 |
| 150 | 99 | 1800 | 1150 | 2200 | 1400 | DN40 | DN25 |
| 99.9 | 2100 | 1200 | 2250 | 2200 | DN40 | DN40 |
| 99.99 | 2200 | 1300 | 2700 | 3200 | DN50 | DN40 |
| 99.999 | 2200 | 1500 | 3100 | 4400 | DN80 | DN50 |
| 200 | 99 | 2000 | 1150 | 2300 | 1700 | DN40 | DN25 |
| 99.9 | 2100 | 1200 | 2500 | 2200 | DN40 | DN50 |
| 99.99 | 2200 | 1400 | 2850 | 4100 | DN65 | DN50 |
| 99.999 | 2200 | 1500 | 3000 | 4100 | DN65 | DN50 |
| 300 | 99 | 2200 | 1250 | 2620 | 2500 | 50 | 40 |
| 99.9 | 2100 | 1200 | 2500 | 2240 | 50 | 40 |
| 99.99 | 2200 | 1500 | 3400 | 4200 | 80 | 50 |
| 99.999 | 2200 | 1500 | 3400 | 4260 | 80 | 80 |
| 400 | 99 | 2200 | 1300 | 2900 | 3350 | 65 | 40 |
| 99.9 | 2200 | 1500 | 3050 | 4200 | 65 | 50 |
| 99.99 | 2200 | 1500 | 3400 | 4300 | 80 | 80 |
| 500 | 99 | 2200 | 1400 | 2850 | 4100 | 65 | 50 |
| 99.9 | 2200 | 1500 | 3400 | 4200 | 80 | 50 |
| 99.99 | 2200 | 1500 | 3400 | 4200 | 80 | 80 |
| 800 | 99 | 2200 | 1500 | 3400 | 4300 | 80 | 80 |
| 99.9 | 2200 | 1500 | 3400 | 4200 | 80 | 80 |
| 1200 | 99 | 2200 | 1500 | 3400 | 4300 | 80 | 80 |
PSA Nitrogen Plant Working Principle
The PSA nitrogen plant working principle is based on pressure swing adsorption for nitrogen generation. Compressed air first passes through filtration and drying systems to remove moisture and contaminants. The purified air then enters adsorption vessels filled with CMS. Under high pressure, oxygen molecules are preferentially adsorbed, while nitrogen flows out as product gas.
When the adsorbent reaches saturation, the system depressurizes, releasing the adsorbed oxygen and regenerating the CMS. Twin towers alternate adsorption and regeneration cycles, enabling uninterrupted nitrogen output. This mature PSA technology for nitrogen generation is widely adopted across heavy industries.
Key Advantages for Glass Industry Applications
- Ultra-High Nitrogen Purity - Ensures oxygen-free environments critical for glass melting and forming processes
- High Efficiency and Low Energy Consumption - Advanced valve control and optimized adsorption cycles reduce power consumption
- Onsite Nitrogen Independence - Eliminates reliance on liquid nitrogen logistics and external suppliers
- Modular and Scalable Design - Capacity can be expanded by adding adsorption modules as production demand increases
- Industrial Safety Compliance - Optional ATEX-certified components for high-temperature glass environments
Comparison with Other Nitrogen Supply Methods
| Nitrogen Supply Method |
Cost |
Purity Control |
| Gas Cylinders |
High |
Medium |
| Liquid Nitrogen |
Very High |
High |
| PSA Nitrogen Generation System |
Low |
Very High |
For continuous glass manufacturing, nitrogen PSA systems provide the most cost-effective and reliable solution.
PSA Nitrogen Generator Pricing and ROI
The PSA nitrogen generator price for a 90 Nm³/hr system depends on purity level, pressure requirements, automation, and safety standards. However, compared with liquid nitrogen consumption, most glass plants achieve return on investment within 18-24 months. Lower operating expenses, reduced downtime, and improved product quality significantly enhance overall profitability.
Selecting a Reliable PSA Nitrogen Plant Manufacturer
Choosing an experienced PSA nitrogen plant manufacturer is crucial for long-term system performance. Professional PSA nitrogen generator manufacturers offer customized solutions, high-quality CMS, robust control systems, and comprehensive after-sales support. For glass applications, design considerations include high-temperature resistance, dust protection, and continuous operation capability.
A qualified PSA nitrogen gas plant manufacturer can also integrate the nitrogen system seamlessly with existing furnaces and production lines.
Future Trends: PSA Nitrogen in Smart Glass Factories
With the rise of intelligent manufacturing, modern PSA Nitrogen Generating System solutions are increasingly integrated with remote monitoring, energy management, and predictive maintenance. Large-capacity PSA N2 Plant Nitrogen Generator units are becoming smarter, more efficient, and more adaptable to fluctuating production loads.
Conclusion
A 99.999% purity 90 Nm³/hr PSA Nitrogen Generator is an essential asset for modern glass production. By implementing a Pressure Swing Adsorption High Purity Nitrogen Generator, manufacturers gain full control over nitrogen purity, pressure, and supply stability. Compared with traditional nitrogen sources, a PSA Type Nitrogen Generating Plant delivers superior efficiency, safety, and long-term cost savings.
For float glass, special glass, and high-end architectural glass applications, investing in a high-capacity PSA N2 Plant for Industrial Use is a strategic decision that ensures consistent quality and sustainable production.
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