High Efficiency Heat Treatment Psa Nitrogen Generator

Product Description

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### **Nitrogen Generator / Nitrogen Generation System**

#### **1. Introduction**

A **Nitrogen Generator** is a stationary or portable system designed to separate nitrogen gas (N) from compressed air on-site and on-demand. Instead of relying on delivered high-pressure nitrogen cylinders or liquid nitrogen dewars, these generators provide a continuous, reliable, and cost-effective supply of high-purity nitrogen.

The core principle involves filtering oxygen (O), water vapor (HO), and other trace gases from atmospheric air, which is composed of approximately **78% nitrogen** and **21% oxygen**.

#### **2. How It Works: Core Technologies**

There are two primary technologies used in nitrogen generators, each suited for different purity and flow requirements.

##### **A. Pressure Swing Adsorption (PSA) Technology**

*   **Principle:** This is the most common technology. It utilizes the phenomenon of **adsorption** (where molecules stick to a surface).
*   **Process:**
    1.  **Compressed Air Feed:** Clean, dry, compressed air is fed into a vessel filled with a **Carbon Molecular Sieve (CMS)**.
    2.  **Separation:** The CMS has tiny pores that allow smaller oxygen molecules to be adsorbed into the pores, while larger nitrogen molecules pass through. This results in a stream of high-purity nitrogen.
    3.  **Regeneration:** Over time, the CMS becomes saturated with oxygen. The system automatically switches to a second, parallel vessel to continue nitrogen production. The first vessel is then depressurized (the "Swing" in PSA), releasing the adsorbed oxygen and moisture to the atmosphere, regenerating the CMS for the next cycle.
    4.  **Continuous Output:** The two vessels alternate between adsorption and regeneration, ensuring a continuous flow of nitrogen.

*   **Typical Purity:** **95% to 99.999%**.
*   **Ideal For:** High-flow, high-purity applications. Most common in industrial settings.

##### **B. Membrane Separation Technology**

*   **Principle:** This technology uses a bundle of hollow polymer fibers that act as a selective membrane.
*   **Process:**
    1.  **Compressed Air Feed:** Clean, dry, compressed air is introduced into the membrane modules.
    2.  **Selective Permeation:** Water vapor, oxygen, and other trace gases permeate (pass through) the walls of the membrane fibers faster than nitrogen.
    3.  **Separation:** These "fast gases" are vented out of the system, while the nitrogen, which permeates much more slowly, continues through the center of the fibers and is collected as the product gas.

*   **Typical Purity:** **95% to 99.5%**.
*   **Ideal For:** Applications requiring lower purity, simplicity, and portability. Often used in oil & gas, marine, and mobile applications.

#### **3. Key Applications**

Nitrogen generators are used across a vast range of industries due to nitrogen's inert properties.

*   **Food & Beverage Packaging:** Blanketing to prevent oxidation and extend shelf life (e.g., in chips, coffee, wine).
*   **Electronics Manufacturing:** Creating inert atmospheres for soldering and in the production of semiconductors and LEDs.
*   **Pharmaceuticals:** Blanketing and transferring sensitive chemicals, purging equipment, and in drug manufacturing processes.
*   **Chemical & Petrochemical Industries:** Inerting storage tanks and reactors to prevent fires and explosions.
*   **Metalworking & Heat Treatment:** Annealing, sintering, and brazing in controlled, oxygen-free atmospheres.
*   **Laser Cutting:** Used as an assist gas for cutting non-ferrous metals like aluminum and stainless steel, providing a clean, oxide-free edge.
*   **Tire Inflation:** Improves fuel efficiency, tire longevity, and safety.

#### **4. Major Advantages Over Traditional Methods (Cylinders/Liquid)**

| Feature | Nitrogen Generator | Cylinders / Liquid Nitrogen |
| :--- | :--- | :--- |
| **Cost** | **Significantly lower operating cost.** Eliminates rental fees, delivery charges, and evaporation losses. | High recurring cost (rental, delivery, fuel). |
| **Supply** | **Uninterrupted, on-demand supply.** No risk of running out. | Supply depends on delivery schedules; risk of production stoppage. |
| **Safety** | **Much safer.** Eliminates handling of high-pressure cylinders or cryogenic liquids. Reduces storage hazards. | Safety risks associated with high pressure, heavy lifting, and cryogenic burns. |
| **Convenience** | **Fully automatic.** Continuous supply from a compact, skid-mounted unit. | Requires manual changing, ordering, and storage space. |
| **Purity & Pressure** | Consistent purity and pressure tailored to the application. | Purity can vary; pressure drops as the cylinder empties. |
| **Environmental Impact** | **Lower carbon footprint.** Eliminates transportation-related emissions. | High carbon footprint from frequent delivery trucks. |

#### **5. Choosing a Nitrogen Generator**

Key factors to consider when selecting a system:

*   **Required Purity (% N):** What is the minimum purity level for your process?
*   **Flow Rate (Nm³/h, SCFM):** What is the required volume of nitrogen per hour?
*   **Inlet Air Pressure and Quality:** The generator requires clean, dry, oil-free compressed air at a specific pressure.
*   **Technology:** PSA (for higher purity/flow) or Membrane (for simplicity/lower purity).
*   **Footprint:** Consider the available space for the generator and its ancillary equipment.

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**In summary, a nitrogen generator is a smart, efficient, and safe investment for any business that requires a reliable supply of nitrogen gas, offering substantial long-term savings and operational benefits.**
Quotation

Price: include one set of tooling	800 USD EXW
Payment term	50% down payment, 50% TT before shipment.
Delivery time	15 days after receive the down payment
Warranty	12 months
Packing	Packed in wooden case

Technological data
 

Model	Nitrogen production	99.9%	99.99%	99.999%	Air inlet/hose	Pure gas outlet/hose	LWH/mm	Weight/Kg
NT-1A	Nitrogen production Nm³/h	2	1.5	1	12mm	12mm	410510950	75
NT-2A	Nitrogen production Nm³/h	4	2.5	2	12mm	12mm	4105101350	95
NT-3A	Nitrogen production Nm³/h	5	4	3	12mm	12mm	4105101450	110

 

 

. After sales service
 

1. Our guarantee time is one year, if any component is damaged during guarantee time, we can send the component to the customer by DHL, TNT .
2. Due to the new crown epidemic, our engineers cannot export installation and debugging, we can teach remotely.
3. Our factory provide the service for the customer forever, if the customer need operation help, can contact us by WhatsApp, wechat, Email and Telephone at any time, we provide 24 hours on-line service.