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High Purity PSA Nitrogen Gas Machine for Providing Nitrogen Gas To Laser Cutting And Laser Welding

A 1 NM³/h Nitrogen Gas Machine typically refers to a nitrogen generator that produces 1 normal cubic meter per hour of nitrogen gas, which is a relatively low flow rate suitable for small-scale or low-demand applications.
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  • ZHN-01

Product Description

A 1 NM³/h Nitrogen Gas Machine typically refers to a nitrogen generator that produces 1 normal cubic meter per hour of nitrogen gas, which is a relatively low flow rate suitable for small-scale or low-demand applications.

ZHN-01-2

Key Features of a 1 NM³/h Nitrogen Gas Machine:

  1. Small Flow Rate:

    • 1 NM³/h refers to a flow rate of 1 cubic meter of nitrogen gas per hour at standard conditions (0°C, 1 atm), often used for small production lines, laboratories, or small-scale laser applications.

    • Suitable for smaller laser cutting, welding, or other industrial applications that require nitrogen for shielding, purging, or inerting, but don’t require large volumes.

  2. High Purity Options:

    • This size of nitrogen generator can often achieve nitrogen purities ranging from 95% to 99.999%, depending on the PSA (Pressure Swing Adsorption) technology and model.

    • High purity nitrogen is essential for ensuring clean, oxidation-free cuts or welds, especially when working with metals like stainless steel, aluminum, or carbon steel.

  3. PSA (Pressure Swing Adsorption) Technology:

    • PSA technology is the most common method for generating nitrogen on-site. It works by adsorbing oxygen and moisture from compressed air through zeolite molecular sieves and releasing high-purity nitrogen.

    • This process is efficient and cost-effective for continuous, on-demand nitrogen supply.

  4. Compact and Space-Saving:

    • A 1 NM³/h nitrogen generator is typically compact and can be installed in small spaces. This makes it ideal for workshops, smaller industrial facilities, or laboratories with limited space.

    • Many models are designed to be plug-and-play, making them easy to install and operate without the need for complex setups.

  5. Applications:

    • Laser Cutting: Provides nitrogen as an assist gas to prevent oxidation during the cutting of metals, ensuring clean and precise cuts.

    • Laser Welding: Used as a shielding gas to prevent oxidation and contamination in the welding area, leading to stronger and more uniform welds.

    • Inerting & Blanketing: Used in chemical processing, packaging, or storage to create an inert atmosphere that prevents oxidation or combustion.

  6. Cost-Effective:

    • Generating nitrogen on-site with a PSA nitrogen generator is often more cost-effective than purchasing bottled nitrogen, especially for smaller operations that require consistent, low-volume nitrogen supply.

    • Reduces the logistical costs associated with gas delivery, transportation, and storage.

Typical Specifications for a 1 NM³/h Nitrogen Gas Machine:

  • Flow Rate: 1 NM³/h (Normal Cubic Meter per Hour)

  • Purity: 95%-99.999% (depending on application)

  • Operating Pressure: 4-6 bar (adjustable based on requirements)

  • Power Consumption: Low, around 1-2 kW depending on the model

  • Air Consumption: Typically around 4-6 m³/h of compressed air at 7-10 bar pressure

  • Dimensions: Compact units, often around 600mm x 500mm x 1000mm (varies by model)

  • Weight: Typically under 150-200 kg, making it portable and easy to install

Common Manufacturers and Brands:

  1. Air Liquide

  2. Atlas Copco

  3. Ingersoll Rand

  4. N2S Industrial Gas Solutions

  5. OXMAT

  6. PEAK Scientific

ZHN-01 Nitrogen Generator parameter table in English:

Parameter Specification/Description
Model ZHN-01
Nitrogen Flow 1 NM³/h (Normal Cubic Meter per Hour)
Nitrogen Purity 99.99%
Inlet Pressure 0.6-0.8 MPa
Nitrogen Pressure ≤ 0.6 MPa
Power 15 W
Supply Voltage AC 220V
Dimensions 500mm x 450mm x 780mm
Air Inlet Pipe 8mm air pipe, air must be dehydrated and deoiled before being connected to the nitrogen generator

Panel Parameters:

  • Flow Meter:

    • Monitors and controls the outlet flow rate of nitrogen. Lowering the flow rate can increase nitrogen purity (concentration).

  • Programmable Time Relay:

    • Allows adjustment of the working order and pressure relief time for the two adsorption towers (A and B). The best settings are typically pre-configured at the factory, so users generally don’t need to adjust them.

  • Air Inlet:

    • 8mm air pipe is used for air inlet. It is important that the compressed air be dehydrated and deoiled before entering the nitrogen generator to avoid damage to the internal components.

  • Nitrogen Outlet:

    • Uses a 6mm air pipe for the nitrogen output. The nitrogen output meets industry standards and can be used directly for various applications like laser cutting, welding, and other industrial uses.

Panel Display and Pressure Gauges:

  • Air Pressure Gauge:

    • Shows the real-time air pressure before it enters the nitrogen generator. Normally, air pressure should be between 0.6-0.8 MPa to ensure optimal operation.

  • Nitrogen Pressure Gauge:

    • Displays the real-time pressure of the nitrogen inside the nitrogen tank, allowing users to monitor pressure conditions.

  • Pressure Gauges for Tower A and Tower B:

    • Indicates the pressure values in the A and B molecular sieve tanks in real-time.

    • Typically, only one tower (A or B) is in the working state at any given time, while the other tower undergoes pressure relief or is in a low-pressure state. This alternating function is part of the PSA (Pressure Swing Adsorption) cycle, which optimizes nitrogen generation.

Key Operational Notes:

  • Air Source: Ensure the incoming air is filtered, dehydrated, and deoiled before it enters the nitrogen generator. This is crucial to maintain the integrity of the system and ensure long-term efficiency.

  • Installation and Operation:

    • Compressed Air: Compressed air should be in the pressure range of 0.6-0.8 MPa to operate the machine effectively.

    • Nitrogen Output: The nitrogen generator delivers nitrogen at a pressure of ≤0.6 MPa, which is typical for most industrial applications like laser cutting, welding, and other processes that require inert gas.

Application Areas:

  • Laser Cutting and Welding: Nitrogen is used to assist with clean cuts, oxidation-free surfaces, and shielding during laser processes.

  • Food Packaging: Nitrogen helps displace oxygen and extends the shelf life of perishable goods.

  • Electronics and Chemical Industries: Nitrogen is used in various applications that require an inert atmosphere.

  • Medical: For applications like providing inert gas in laboratory settings.

Advantages:

  • High Purity: 99.99% nitrogen purity is ideal for precision applications such as laser cutting and welding.

  • Compact Design: The unit’s size (500mm x 450mm x 780mm) makes it a great fit for small workshops or facilities with limited space.

  • Low Power Consumption: With only 15W of power, it is energy-efficient, reducing operational costs.

  • User-Friendly: The system is easy to operate with built-in flow and pressure monitoring gauges, and automatic settings that generally do not require user adjustments.

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