Stationary Nitrogen Generato

Industrial nitrogen generators are typically classified by mobility into two main types: stationary and mobile/skid-mounted. For most continuous production environments-such as chemical processing, electronics manufacturing, food MAP (modified atmosphere packaging), heat treatment, laser cutting, and oil & gas-a stationary nitrogen generator is the preferred choice. Why? Because these operations require a consistent, uninterrupted nitrogen supply without the need to move equipment around.

A well-engineered stationary nitrogen generator is built for long-term, continuous duty with low failure rates and economical air consumption. Unlike portable units that prioritize compactness and mobility, stationary models are optimized for process stability and operating cost efficiency.

Main Technical Principles

Depending on required purity, flow rate, and site conditions, a stationary nitrogen generator typically uses one of the following technologies:

• PSA (Pressure Swing Adsorption)

Uses carbon molecular sieves to separate oxygen from nitrogen under pressure.
Best for: small to medium flow rates, purity from 95% up to 99.999%.

• Membrane Separation

Employs hollow fiber membranes to continuously produce nitrogen.
Key advantage: simple construction with no moving parts.
Suitable for: purity levels of 95%–99.5% and applications requiring fast start-up.

• Cryogenic Air Separation

Separates air through deep cooling and distillation.
Generally used for very large plants or when producing liquid nitrogen / ultra-high purity nitrogen.
In practice, this is rarely referred to as a "generator" but rather as a full air separation unit.

Technical Parameters (Typical Range – PSA & Membrane)

These are engineering reference values. Final parameters depend on actual site conditions.

Industrial Applications

A stationary nitrogen generator supports the following process needs:

• Chemical & petrochemical – blanketing, purging, displacement
• Electronics manufacturing – reflow soldering, wave soldering protection
• Food packaging – modified atmosphere preservation
• Heat treatment – bright annealing, carburizing protection
• Laser cutting – slag removal assist
• Oil & gas – pipeline purging, tank blanketing

We provide solution design based on your specific process. Unauthorized customer cases are not listed here.

Certifications & Standards

Our equipment is designed and manufactured in compliance with:

• Pressure vessels: GB/T 150 / ASME (optional)
• Electrical safety: IEC / CE
• Quality management: ISO 9001
• Site acceptance: per contract technical agreement

Project Delivery & Services

• Scope of supply

Main unit, control panel, valves & instruments, on-site installation guidance or commissioning.

• Customization options

Purity, flow rate, skid-mounted structure, explosion-proof configuration, remote monitoring.

• Engineering logic

We start by defining your end-user requirements (purity / flow / pressure dew point), then back-calculate the compressor and drying system configuration. This avoids oversizing and unnecessary energy waste.

• Services included

Technical selection, P&ID confirmation, factory testing, on-site commissioning, training, long-term spare parts support.

Why Choose Shenger Gas

Shenger Gas focuses on balancing actual site conditions with energy costs when engineering stationary nitrogen generators. We do not chase parameter stacking. Instead, we integrate the air compressor, dryer, and nitrogen purification system as a matched package.

For both PSA and membrane models, Shenger Gas performs a simulated operation test under contract conditions before delivery and provides a formal test report.

For overseas B2B customers, we supply:

• Complete English technical documentation
• CE compliance support
• Remote commissioning assistance

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