1 m³/h Mini Nitrogen Generator for Welding

Elily’s 1 m³/h Mini Nitrogen Generator for Welding features a standard purity of 99.99%—customizable up to 99.999% for ultra-high purity applications. Available in a full range of specifications from 1 to 20 m³/h, the unit supports complete customization to meet specific needs. It effectively prevents oxidation during welding, ensuring bright, discoloration-free weld seams, while fully automated nitrogen generation offers both peace of mind and cost savings.

Core Product Advantages

I. High Purity: Precisely Tailored for Welding Processes
Standard configurations provide a stable 99.99% high-purity nitrogen supply, with options for custom-ordering ultra-high purity levels of 99.999% as needed. This effectively isolates the welding zone from oxygen, fundamentally preventing weld seam oxidation, discoloration, and porosity. The result is a smooth, bright weld cross-section, significantly reduced need for grinding and rework, and a substantial increase in product yield rates. The system is compatible with the welding of various materials, including stainless steel, aluminum, copper, and various alloys.
II. Comprehensive Specifications: Standard and Custom Solutions Available
Covering all mainstream flow rate specifications—including 1, 3, 5, 8, 10, 15, and 20 cubic meters per hour—the system can be precisely matched to any requirement, whether for a single small-scale welder or a centralized gas supply system serving multiple welding workstations. Flow rate, pressure, purity, and overall unit dimensions can all be personalized to suit specific workshop conditions. This eliminates the need to compromise on fixed standard models, ensuring true "on-demand" selection without any wasted capacity.
III. Professional PSA Nitrogen Generation: Rapid Output and Stable Purity
Utilizing the principle of Pressure Swing Adsorption (PSA) at ambient temperatures, the system employs a dual-tower alternating adsorption and regeneration cycle, paired with high-quality imported carbon molecular sieves. The equipment reaches its standard purity level within just 20 minutes of startup. Fully automated via intelligent PLC control, it maintains constant pressure, purity, and flow rates over the long term without degradation, supporting continuous, uninterrupted operation 24 hours a day.
IV. Integrated Skid-Mounted Design: Minimal Footprint and Easy Installation
The entire unit features a compact, skid-mounted structural design with an organized layout that occupies minimal workshop space. It requires no special concrete foundation pouring and no complex piping arrangements; simply place the unit on a level surface, connect the power supply, and it begins generating gas fully automatically. The system is simple enough for general workers to operate, eliminating the costs associated with professional installation and commissioning.
V. Self-Generated Gas: A Cost-Effective Alternative to Liquid Nitrogen
Using ambient air as its raw material, the system consumes only electrical energy, eliminating the need for the recurring purchase of bottled or bulk liquid nitrogen. Representing a one-time investment for long-term self-sufficiency, the system drastically reduces gas production costs. With long-lasting molecular sieves, a low overall failure rate, and simple routine maintenance, the equipment investment can typically be recouped within 1 to 2 years—making it an ideal solution for welding facilities requiring a stable, long-term gas supply.

Key Product Specifications

Scope of Application

Elily’s 1 m³/h Mini Nitrogen Generator for Welding Widely compatible with various processes such as laser welding, TIG welding, precision spot welding, sheet metal welding, stainless steel tube welding, and aluminum alloy welding. It is ideally suited for industries including new energy lithium battery manufacturing, precision welding of electronic components, sheet metal fabrication, medical device manufacturing, automotive parts welding, and cabinet/chassis processing. High-purity nitrogen provides comprehensive protection for the weld seam throughout the entire process, effectively preventing oxidation and discoloration while simultaneously enhancing welding quality and production efficiency.

Company Strength

Guangdong Yili Machinery Equipment Co., Ltd.We are a national high-tech enterprise integrating the R&D, manufacturing, and sales of gas separation equipment. Our facility spans over 20,000 square meters of modern workshops, equipped with a specialized laboratory for nitrogen generator performance testing and a comprehensive assembly aging test line. With years of deep expertise in PSA nitrogen generation technology, we have specifically optimized our molecular sieves, gas flow configurations, and control systems to address the unique gas supply challenges faced by the welding industry. We are capable of stably mass-producing a full range of models with capacities ranging from 1 to 20 cubic meters, and we offer customization services for ultra-high purity levels of up to 99.999%. Having served thousands of enterprises across the welding, sheet metal, and new energy sectors, the stability of our equipment and the purity of our gas supply have been extensively validated through rigorous real-world field operations.

Product Usage at the Customer Site

After-Sales Service

Elily’s 1 m³/h Mini Nitrogen Generator for Welding comes with a 1-year general warranty, while the nitrogen generation host, PLC control system, and core molecular sieves are covered by a 3-year warranty. Our after-sales service guarantees a rapid 2-hour response time and includes complimentary technical consulting for equipment selection based on specific operating conditions, as well as gas usage planning. The unit is accompanied by a comprehensive installation manual and instructional videos covering operation and maintenance. We offer on-site inspection and repair services in major domestic cities within 48 hours; spare parts subject to wear and tear are kept in constant stock and can be shipped within 48 hours. Furthermore, we provide lifetime technical support—free of charge—for purity calibration and system optimization.

FAQ

A: What is the standard purity required for nitrogen used in welding?
Q: For general welding applications, a standard purity of 99.99% is sufficient. However, for precision electronics and lithium-ion battery welding, we offer a customizable ultra-high purity option of 99.999% to completely eliminate oxidation and porosity in the weld seams.

A: What are the standard flow rate specifications available?
Q: Our in-stock specifications include flow rates of 1, 3, 5, 8, 10, 15, and 20 cubic meters per hour. We also support non-standard customization for all flow rates, pressures, and purity levels.

A: Can multiple welding machines share a single nitrogen generator?
Q: Yes, they can. By calculating the peak gas demand for simultaneous usage and adding a 20% safety margin (1.2x), a single generator can provide centralized gas supply to multiple machines, thereby saving on equipment investment costs and floor space.

A: How long does it take to reach the required purity level after startup?
Q: The unit typically begins producing gas at the required purity level within approximately 20 minutes of startup. Afterward, it operates continuously and fully automatically, maintaining stable pressure and purity levels.

A: Is this more cost-effective than purchasing bottled liquid nitrogen?
Q: Owning a nitrogen generator eliminates the need for recurring gas purchases, significantly reducing gas consumption costs. Under normal production conditions, the equipment typically pays for itself within 1 to 2 years.

A: Is the installation process complicated?
Q: No, it is not. There is no need for a concrete foundation or complex piping work; simply place the unit on a level surface, connect the power supply, and it is ready to use. The installation process is straightforward enough for anyone to handle, even without prior technical experience.