
SMT Nitrogen Generator
This series of SMT nitrogen generator is an intelligent and efficient on-site nitrogen generation equipment. It uses mature pressure swing adsorption (PSA) technology to obtain air directly from the environment and separate pure nitrogen. This equipment can stably produce nitrogen with a purity of 99.9% to 99.999%, which perfectly meets the stringent requirements of the reflow oven for protective atmosphere. The core of its design is real-time production and on-demand supply, which completely eliminates price fluctuations, transportation risks and supply interruption risks of traditional nitrogen supply methods, allowing your SMT production line to achieve cost reduction, efficiency improvement and seamless operation.
Why does the SMT production line need a dedicated nitrogen generator?
In SMT welding, the introduction of nitrogen protective atmosphere can significantly:
- Significantly reduces welding oxidation: effectively prevents oxidation of pads and components, and improves the gloss and reliability of solder joints.
- Improve welding yield: Reduce defects such as bridging and false soldering, which is especially important for welding of fine-pitch components.
- Improve wetting properties: Make the solder have better fluidity and spreadability, and enhance the welding strength.
- Reduce flux residue: In a nitrogen environment, the amount of flux can be reduced and the burden of subsequent cleaning can be reduced.
Our SMT nitrogen generators are tailor-made to achieve these advantages.
Core Performance Indicators
|
Item |
Parameter Specifications |
|
Output Nitrogen Purity |
99.9% ~ 99.999% (Precisely adjustable according to soldering process requirements) |
|
Nitrogen Flow Rate Range |
10 ~ 500 Nm³/h (Covers mainstream single and multi-line reflow oven demands) |
|
Outlet Pressure |
0.6 ~ 0.8 MPa (Stable and adjustable, directly matches reflow oven inlet pressure) |
|
Dew Point |
≤ -40°C ~ -60°C (Effectively controls moisture content) |
|
Operating Temperature Range |
5°C ~ 40°C (Suited for standard industrial workshop environments) |
|
Energy Consumption Index |
≤ 0.10 kWh/Nm³ @99.5% purity (Industry-leading energy efficiency performance) |
Industry applications and value
This device is ideal for use in electronics manufacturing, especially for:
- SMT reflow soldering and wave soldering: provide continuous and stable nitrogen protection for various lead-free soldering processes.
- Automotive electronics manufacturing: Meet the stringent welding quality standards for high-reliability automotive electronics PCBA.
- Communication equipment production: serving the precision assembly of high-end motherboards such as base stations and servers.
- Flexible circuit board (FPC) assembly: Effectively prevent oxidation and deformation of FPC during precision welding.
Detailed Technical Parameters
|
Category |
Description |
|
Working Principle |
Pressure Swing Adsorption (PSA) technology using carbon molecular sieve as adsorbent for highly efficient nitrogen-oxygen separation |
|
Intake Air Requirement |
Oil-free compressed air (recommended with pre-installed refrigerated dryer), pressure ≥0.7MPa |
|
Control System |
Intelligent PLC + color touch screen, featuring one-button start/stop, real-time monitoring of purity/pressure/flow, with fault self-diagnosis and remote communication interface |
|
Key Components |
Imported brand pneumatic valves, high-precision oxygen analyzer, and stainless steel grade air receiver ensuring long-term stable operation |
|
Installation Requirements |
Install in ventilated, clean, vibration-free area, close to both point of use and compressed air source |
|
Output Interface |
Flexible pipeline distribution solutions tailored to customer's reflow oven quantity and layout |
Quality and safety certification
We firmly believe that excellent quality is the cornerstone of stable operation of equipment. Our SMT nitrogen generator strictly follows international standards to ensure that you get not only a product, but also a commitment.
- International quality system: Fully comply with the ISO 9001 quality management system for design and production.
- Pressure vessel safety: The core pressure vessel components comply with ASME design and manufacturing specifications to ensure safety.
- Electrical safety compliance: The electrical system complies with CE safety directives to ensure user safety.
Beyond the device itself: providing you with complete solutions
Choosing our SMT nitrogen generator means you get a comprehensive partner. We not only provide high-performance equipment, but also:
- Process optimization support: Assist you in debugging optimal nitrogen purity parameters to achieve the best balance between quality and cost.
- Modular design: compact structure, convenient maintenance, fast and simple replacement of consumables, minimizing downtime.
- Full life cycle service: From site survey and scheme design to installation, commissioning and after-sales support, we are with you every step of the way.
Contact us at Shenger Gas immediately to obtain exclusive SMT nitrogen solutions and energy-saving benefit analysis reports!






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