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Combined Nitrogen Generator

Combined Nitrogen Generator – All-In-One On-Site Nitrogen Solution

  • Inlet Temperature: 10~60℃
  • Inlet Pressure: 0.6~1.0MP
  • Ambient Temperature: 2~45℃
  • Nitogen Purity: 98-99.999%
  • Nitrogen Flow Rate: 10~200Nm³/h
  • Power: 220V/380V/50HZ
  • Noise: ≤85dB
  • Nitrogen Dew Point: ≤-40℃
  • Control Mode: Standard separate control. High match integrated controller

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COMBINED MODULAR NITROGEN GENERATOR

Nitrogen purity 99.5-99.999% Power requirements 220V/50HZ
Maximum intake air temperature 60℃ Noise ≤80dB
Minimum intake temperature 10℃ Nitrogen dew point ≤-40℃
Inlet pressure 0.6-0.85Mpa Control method (Standard) Separate control
Maximum ambient temperature 45℃ Control method (High match) Integrated controller

Advantages of Combined Modular Nitrogen Generator

  • Adopting SOLLANT high temperature refrigerated air dryer combined with a modular nitrogen generator to ensure that the nitrogen generator molecules can operate at a constant temperature (the optimal operating temperature is between 20-30 ℃), and give full
    play to the performance of the carbon molecular sieve.
  • The integrated design of the equipment is small in size, only half of the installation size of the split-type equipment, which is convenient for transportation and installation.
  • The whole machine includes SOLLAN refrigerated air dryer, SOLLAN high-efficiency oil removal filter, a modular nitrogen generator, a rear nitrogen process tank, a dust filter, and a flow meter. Install all that, and the user can directly use it after powering on and ventilating.
  • An optional integrated controller, real-time monitoring of equipment operating status, and recording of operating data.
  • The front-mounted refrigerated dryer guarantees that the pressure dew point of the compressed air entering the nitrogen generator is ≤10℃, reducing the risk of molecular sieve being contaminated by oil and water, and extending the service life of carbon molecular sieve.
  • The module does not belong to the pressure vessel; the annual inspection of the pressure vessel is not required, and the service life of the whole machine can reach more than 20 years.

COMBINED TWIN TOWER NITROGEN GENERATOR

Nitrogen purity 99.5-99.999% Power requirements 220V/380V/50HZ
Maximum intake air temperature 60℃ Noise ≤80dB
Minimum intake temperature 10℃ Nitrogen dew point ≤-40℃
Inlet pressure 0.6-0.85Mpa Control method (Standard) Separate control
Maximum ambient temperature 45℃ Control method (High match) Integrated controller

Advantages of Combined Twin-tower Nitrogen Generator

  • Use of SOLLANT high-temperature refrigerated dryer combined with a twin-tower nitrogen generator ensures that the nitrogen generator molecules can operate at a constant temperature (the optimal operating temperature is between 20-30°C) and give full play to the performance of the carbon molecular sieve.
  • The integrated design of the equipment is small in size, only half of the installation size of the split type equipment, which is convenient for transportation and installation.
  • The whole machine includes SOLLANT refrigerated dryer, SOLLANT high-efficiency oil removal filter, a front air buffer tank, a twin-tower nitrogen generator, a rear nitrogen process tank, a dust filter, and a flow meter. After the installation has been completed, the user can use it after powering on and ventilating.
  • An optional integrated controller, real-time monitoring of equipment operating status, and recording of operating data.

Combined Nitrogen Generator – The All-In-One Alternative to Bulk Nitrogen

 

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Combined Nitrogen Generator: Complete Guide for Industrial Applications

In modern industrial production, nitrogen plays a critical role across a wide range of applications—from food preservation to laser cutting and chemical processing. Traditionally, companies relied on bottled nitrogen or liquid nitrogen deliveries, which often resulted in high costs and supply uncertainties.

Today, more businesses are turning to combined nitrogen generator systems—an integrated solution that combines air compression, air treatment, and nitrogen generation into one compact unit. This advanced system provides a reliable, cost-effective, and energy-efficient way to produce nitrogen on-site.

In this complete guide, we will explore how combined nitrogen generators work, their key advantages, industrial applications, and how to choose the right system for your needs.

What Is a Combined Nitrogen Generator?

A combined nitrogen generator is an all-in-one system that integrates multiple components required for nitrogen production, including:

  • Air compressor

  • Air dryer (refrigerated or adsorption dryer)

  • Air filtration system

  • PSA (Pressure Swing Adsorption) nitrogen generator

  • Nitrogen storage tank (optional)

Unlike traditional standalone setups, this integrated design simplifies installation and operation, making it ideal for industries seeking plug-and-play nitrogen solutions.

How Does a Combined Nitrogen Generator Work?

The working principle of a combined nitrogen generator is based on PSA (Pressure Swing Adsorption) technology, which separates nitrogen from compressed air.

Step-by-Step Process:

  1. Air Compression
    Ambient air is compressed by the built-in air compressor.

  2. Air Treatment
    The compressed air passes through filters and dryers to remove moisture, oil, and dust.

  3. Nitrogen Separation (PSA Technology)
    The clean compressed air enters adsorption towers filled with carbon molecular sieves (CMS). Oxygen molecules are adsorbed, while nitrogen passes through as the product gas.

  4. Nitrogen Storage and Supply
    The generated nitrogen is stored in a tank or delivered directly to the application.

This continuous cycle ensures a stable supply of high-purity nitrogen.

Key Advantages of Combined Nitrogen Generators

1. All-in-One Design

A combined system integrates all essential components into a single unit, reducing the need for complex installation and system matching.

2. Cost Savings

  • Eliminates nitrogen cylinder or liquid nitrogen purchase costs

  • Reduces transportation and storage expenses

  • Lowers long-term operational costs

3. Energy Efficiency

Modern combined nitrogen generators are designed with energy-saving features such as:

  • High-efficiency air compressors

  • Optimized PSA cycles

  • Intelligent control systems

4. Easy Installation and Operation

The plug-and-play design allows for:

  • Quick installation

  • Minimal piping requirements

  • User-friendly control interface

5. Reliable and Continuous Supply

On-site nitrogen generation ensures:

  • No supply interruptions

  • Consistent purity levels

  • Independence from external suppliers

6. Space-Saving Structure

Compact design makes it ideal for facilities with limited space.

Industrial Applications of Combined Nitrogen Generators

Combined nitrogen generators are widely used across multiple industries:

1. Food and Beverage Industry

  • Modified atmosphere packaging (MAP)

  • Food preservation

  • Beverage bottling

Nitrogen helps extend shelf life and maintain product quality.

2. Laser Cutting Industry

Nitrogen is used as an assist gas in laser cutting processes to:

  • Prevent oxidation

  • Improve cutting quality

  • Increase efficiency

3. Electronics Manufacturing

  • Prevent oxidation during soldering

  • Maintain clean production environments

4. Chemical and Pharmaceutical Industry

  • Inerting and blanketing

  • Explosion prevention

  • Product protection

5. Oil and Gas Industry

  • Pipeline purging

  • Tank blanketing

  • Enhanced safety in hazardous environments

6. Metal Processing

  • Heat treatment

  • Annealing

  • Surface protection

Combined Nitrogen Generator vs Traditional Nitrogen Supply

Feature Combined Nitrogen Generator Nitrogen Cylinders / Liquid Nitrogen
Cost Low long-term cost High recurring cost
Supply Continuous Limited, requires refill
Safety High Risk of handling/storage
Convenience Automated Manual replacement
Space Compact system Requires storage space

How to Choose the Right Combined Nitrogen Generator

Selecting the right system is crucial for performance and cost efficiency. Consider the following factors:

1. Nitrogen Purity Requirement

Different industries require different purity levels:

  • 95%–99.5% for general use

  • 99.99% or higher for electronics and pharmaceuticals

2. Flow Rate (Capacity)

Determine your nitrogen consumption (Nm³/h) to ensure the generator meets your demand.

3. Pressure Requirements

Ensure the output pressure matches your application needs.

4. Energy Consumption

Look for energy-efficient systems to reduce operating costs.

5. System Configuration

Choose between:

  • Fully integrated systems

  • Custom-designed solutions

6. Manufacturer Reliability

Select a trusted manufacturer that offers:

  • ISO certifications

  • Proven project experience

  • Global service support

Maintenance Tips for Long-Term Performance

To ensure optimal operation and longevity:

  • Replace filters regularly

  • Check air compressor performance

  • Monitor nitrogen purity levels

  • Maintain proper ventilation

  • Schedule routine inspections

Proper maintenance reduces downtime and extends equipment life.

Future Trends in Nitrogen Generation Technology

The nitrogen generation industry is evolving rapidly, with trends including:

  • Smart IoT monitoring systems

  • Energy-efficient PSA technologies

  • Modular and scalable designs

  • Increased automation and remote control

These innovations are making combined nitrogen generators even more efficient and user-friendly.

Conclusion

A combined nitrogen generator is a smart investment for industries seeking reliable, cost-effective, and efficient nitrogen supply solutions. By integrating air compression, treatment, and nitrogen generation into one system, it simplifies operations while delivering high performance.

Whether you are in food processing, laser cutting, electronics, or oil and gas, adopting a combined nitrogen generator can significantly improve productivity and reduce operational costs.

Looking for a reliable combined nitrogen generator manufacturer?

We provide:

  • Customized nitrogen generation solutions

  • High-efficiency and energy-saving systems

  • Global installation and after-sales support

👉 Contact us today to get a tailored solution for your industrial needs.

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