1. Overview of high-purity nitrogen equipment
High-purity nitrogen equipment is the core component of cryogenic air separation (cryogenic air separation) system. It is mainly used to separate and purify nitrogen from air, and finally obtain nitrogen products with a purity of up to **99.999% (5N) or even higher**. The equipment is based on **cryogenic distillation** technology, using the boiling point difference between nitrogen (boiling point -195.8℃) and oxygen (boiling point -183℃) in the air, and achieves efficient separation through low-temperature condensation and fractionation.
High-purity nitrogen equipment is widely used in electronics, chemical industry, medicine, metal processing, food preservation and other fields, especially in high-tech industries such as semiconductor manufacturing and lithium battery production, which have extremely high requirements for nitrogen purity, and cryogenic air separation technology is currently the most stable and economical solution.
2. Core features of high-purity nitrogen equipment
1). Ultra-high purity nitrogen output
- The multi-stage distillation tower and high-efficiency molecular sieve adsorption technology can stably produce 99.999%~99.9999% (5N~6N) high-purity nitrogen to meet the stringent requirements of semiconductor, photovoltaic and other industries.
- Trace oxygen, moisture and hydrocarbons are further removed through cryogenic adsorption (PSA) or catalytic deoxygenation technology to ensure that the nitrogen purity meets the standard.
2). Energy-saving and efficient, stable operation
- The cryogenic air separation equipment uses expander + heat exchanger to optimize the refrigeration cycle and reduce energy consumption. Compared with membrane separation or pressure swing adsorption (PSA) technology, the long-term operating cost is lower.
- The automated control system monitors temperature, pressure and purity in real time to ensure stable operation of the equipment and reduce manual intervention.
3). Modular design, strong adaptability
- Small (<100Nm³/h), medium (100~1000Nm³/h) or large (>1000Nm³/h) nitrogen equipment can be customized according to customer needs, flexibly matching the needs of different industries.
- Suitable for on-site nitrogen generation (On-site Generation), reducing the transportation and storage costs of liquid nitrogen.
4). Safe and reliable, environmentally friendly and low-consumption
- Adopt explosion-proof design and multiple safety protections (such as oxygen content monitoring, overpressure protection) to ensure safe production.
- Only electricity and air are consumed during the deep cold air separation process, without chemical pollution, in line with green manufacturing standards.
3. Main application areas of high-purity nitrogen equipment
1). Electronics and semiconductor industry
- Used in wafer manufacturing, LED packaging, photovoltaic cell production, providing ultra-high purity nitrogen as a protective gas to prevent oxidation and pollution.
- In semiconductor etching, chemical vapor deposition (CVD) and other processes, nitrogen is used as a carrier gas or purge gas to ensure process stability.
2). Chemical and Energy Industry
- Used for inert gas protection in petrochemical and coal chemical industries to prevent flammable and explosive risks.
- Used in lithium battery production (such as pole piece drying, liquid injection packaging) to prevent moisture and oxygen from affecting battery performance.
3). Food and Pharmaceutical Industry
- Food packaging uses high-purity nitrogen (more than 99.9%) to extend the shelf life and prevent oxidation and deterioration.
- Used in the pharmaceutical industry for aseptic nitrogen filling and biological agent protection, in compliance with GMP standards.
4). Metal Heat Treatment and 3D Printing
- Provide an inert environment in annealing, quenching, brazing and other processes to prevent metal oxidation.
- Used for metal 3D printing (SLM technology) to reduce powder oxidation and improve molding quality.
5). Scientific Research and Laboratory
- Provide ultra-high purity nitrogen environment for high-end experiments such as superconducting materials and nuclear magnetic resonance (NMR).
4. Future development trends
1). Intelligence and Internet of Things (IoT) integration
- Improve equipment energy efficiency and predictive maintenance capabilities through remote monitoring and AI optimization.
2). Green and low-carbon technology
- Combined with renewable energy (such as wind power, photovoltaic) power supply to reduce carbon footprint.
3). Miniaturization and mobile nitrogen production
- Develop more compact cryogenic nitrogen production equipment suitable for distributed energy and small factories.
Summary
As an important application of cryogenic air separation technology, high-purity nitrogen equipment has become the core equipment of high-tech manufacturing and industrial production with its advantages of ultra-high purity, energy saving and stability, safety and environmental protection. With the rapid development of industries such as electronics and new energy, high-purity nitrogen equipment will continue to evolve towards intelligence, efficiency and greenness, providing more reliable nitrogen solutions for modern industry.
For any oxygen/nitrogen/argon needs, please reach out to us ：
Emma Lv Tel./Whatsapp/Wechat：+86-15268513609
Email：Emma.Lv@fankeintra.com
Post time: May-07-2025