PSA Nitrogen Generator/Membrane Nitrogen Generators: 100Nm3/H, 99.9% Purity, For Food, Metallurgy, Chemical

Working Principles for PSA Nitrogen Generator

Adsorption: Compressed air, consisting of nitrogen and oxygen, enters the PSA nitrogen generator. Inside the generator, the air passes through a bed of adsorbent material, such as carbon molecular sieve (CMS). The CMS has a higher affinity for oxygen molecules, selectively adsorbing them while allowing nitrogen to pass through.

Nitrogen Separation: As the air flows through the CMS bed, the oxygen molecules are trapped and held by the adsorbent material, effectively separating nitrogen from the air stream. This separation process results in the production of nitrogen gas with a higher purity level.

Desorption: Over time, the CMS bed becomes saturated with adsorbed oxygen molecules. To rejuvenate the adsorbent material, the pressure in the system is reduced, triggering the release of the trapped oxygen from the CMS. This desorption step prepares the CMS bed for the subsequent cycle of nitrogen production.

Purge Cycle: To ensure the removal of any residual oxygen and maintain the purity of the nitrogen gas, a portion of the produced nitrogen is directed back into the system. This purge gas displaces any lingering oxygen, effectively purging it from the generator.

Continuous Operation: The PSA nitrogen generator typically comprises multiple adsorption vessels that operate in a cyclic manner. While one vessel is in the adsorption phase, another vessel is undergoing desorption and purge phases. This arrangement ensures a continuous supply of nitrogen gas with the desired purity level.

By harnessing the adsorption and desorption properties of the specialized adsorbent material, the PSA nitrogen generator efficiently separates nitrogen from the air, delivering a consistent and reliable source of high-purity nitrogen gas.

Main Features for PSA Nitrogen Generator

• Raw material air is taken from nature. Nitrogen can be produced by supplying compressed air and power.
• Nitrogen purity can be adjusted conveniently and be produced by supplying compressed air
• The equipment is highly automated, produces gas quickly, and can be unattended. Nitrogen can be produced within 10-15 minutes of startup.
• The equipment process is simple, occupies a small area, consumes less energy and costs.
• Molecular sieves are filled by snowstorm method to avoid the pulverization of molecular sieves caused by avoid the pulverization of molecular sieves caused by high-pressure airflow impact and ensure the long-term use of molecular sieves.
• On-line inspection of imported analyzer with high access is simple, occupies a small area, consumes less energy,and costs.

Technical indicators

• Capacity Range : 2~2000Nm3/H
• Purity Range : 95%~99.9999%
• Outlet Pressure :0~6Bar or 0~ 8Bar
• Booster outlet pressure range : 10 to 200Bar
• Service Life 8-10 years as long as regular maintenance

Carbon Molecular Sieve

High quality,high density, compact spring loaded, top/bottom balance, protected by a dedicated pressure sensor.
We usually use CMS-240 for purity below 99.99%
And use CMS-260 for purity of 99.999% in one step .

Standard Features

• Siemens PLC
• Customized and improved domestic valves
• 7-inch LCD display
• Taiwan AirTAC solenoid valve
• Chengdu Jiuyin Nitrogen analyzer
• SMC flowmeter
• Professional brand molecular sieve

Optional Features

• Remote control system
• Better valve of brand Gemu, Burkert
• Dew point analyzer
• Import Molecular Sieve
• Italian ODE solenoid valve

-Applications-

• Application of SMT industry
• Semiconductor silicon industry application

Semiconductor and integrated circuit manufacturing process atmosphere protection, cleaning,chemical recovery,etc.

• Electronic components industry application

Selective welding, puring and encapsulation with nitrogen. Scientific nitrogen inert protection has proven to be an essential step in the successful production of high quality electronic components.

• Semiconductor packing industy application

Packaging, reduction, strage with nitrogen.

• Powder metallurgy, metal processing industry

Powder metallurgy is a technique widely used in the metal processing industry. It involves the production of metal parts by compacting and sintering metal powders. The heat treatment industry extensively applies powder metallurgy for various purposes, including annealing and carbonization of steel, iron, copper, and aluminum products.

Additionally, powder metallurgy finds application in high-temperature furnace protection, ensuring the durability and performance of furnace components. It is also utilized in low-temperature assembly processes, where metal parts are joined together at lower temperatures to prevent distortion or damage. Furthermore, powder metallurgy plays a role in plasma cutting, enabling precise and efficient cutting of metal parts.

Overall, powder metallurgy serves as a versatile and valuable technique in the metal processing and heat treatment industries, offering enhanced material properties, improved production efficiency, and a wide range of applications.

• Chemical industry, advanced material industry application

Nitrogen is used to create oxygen – free atmosphere in chemical process, improve the safety of production process, fluid transmission power source, etc: It can be used for nitrogen purging of pipes and vessels in the system, filling nitrogen Storage tank, gas displacement, leak detection, combustible gas protection, chemical reaction agitation, chemical fiber production protection, also used in diesel hydrogenation and catalytic reforming.

• Oil and gas industry

­Oil refining, container machine pipeline nitrogen-filled purge box leak detection, nitrogen injection oil recovery.

• Food and medicine industry Application

Mianly used in food packaging, food preservation, food storage, (Configurable sterilization filter), food drying and sterilization, medicine packing, medical replacement gas, medicine delivery atmosphere, etc.