Description of 99.999% Purity 300Nm3/H PSA Nitrogen Generator For food and medicine industry Application

A nitrogen generator is a device used to produce high-purity nitrogen gas. It utilizes the distinct physical properties of oxygen and nitrogen in the air to separate and extract nitrogen gas from the ambient air, catering to various industrial, medical, and laboratory applications.

2. Working Principles for PSA Nitrogen Generator

Pressure swing adsorption(PSA)nitrogen generator is an automatic equipment that uses air as material,use carbon molecular sieve as adsorbent, pressure reduction desorption principle to adsorb oxygen from the air, thereby separating nitrogen.

3. Main Features for PSA Nitrogen Generator

• Nitrogen purity can be adjusted conveniently and be produced by supplying compressed air
• Raw material air is taken from nature. Nitrogen can be produced by supplying compressed air and power.
• 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.

4. 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 .

5. 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

6. 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
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• 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

Heat treatment industry application, Steel, iron, copper, aluminum products annealing, carbonization, high temperature furnace protection, Low temperature assembly and plasma cutting of metal parts.

• 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.

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• 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.

Ten common questions about nitrogen generators

1.What purity of nitrogen gas can a nitrogen generator produce?

A nitrogen generator can produce nitrogen gas of various purities, ranging from standard industrial-grade nitrogen (typically 95% to 99% purity) to high-purity nitrogen (usually exceeding 99.9%), and even ultra-high purity nitrogen (typically exceeding 99.999%). The choice of purity depends on specific application requirements.

2.What is the working principle of a nitrogen generator?

• Nitrogen generators make use of two primary technologies for nitrogen separation: adsorption and membrane separation.
• Adsorption technology relies on a specialized adsorbent material, such as molecular sieves, which has a high affinity for certain gas molecules. When the gas mixture passes through the adsorbent bed, the adsorbent selectively adsorbs impurities like oxygen and moisture while allowing nitrogen to pass through. This differential adsorption process effectively separates nitrogen from other gases, resulting in nitrogen with higher purity levels. To maintain the adsorption capacity of the material, the generator employs a cyclic process where the bed is alternately pressurized with the feed gas and depressurized for desorption. This regeneration step allows the adsorbent material to release the adsorbed impurities, making it ready for the next adsorption cycle.
• On the other hand, membrane separation technology relies on the different permeability rates of gas molecules through a semi-permeable membrane. The membrane used in this technology has selective permeability, meaning it allows certain gas molecules to pass through while blocking others based on their size and solubility characteristics. In the case of nitrogen generators, the membrane selectively allows smaller nitrogen molecules to permeate through while preventing larger molecules, such as oxygen and moisture, from passing. This separation process results in the production of nitrogen with the desired purity. Membrane separation technology is often used for applications where lower purity levels are acceptable, as it may not achieve the same high purity levels as adsorption technology.
• Both adsorption and membrane separation technologies are widely employed in nitrogen generators, offering efficient and reliable nitrogen production for various applications. The choice between these technologies depends on factors such as the required purity levels, flow rates, available space, and specific process requirements. Some applications may benefit from the high purity achieved by adsorption technology, while others may find membrane separation technology more suitable due to its simplicity and lower energy requirements.

3.What inputs does a nitrogen generator require, and how does it operate?

A nitrogen generator typically requires air as the input source. When operating the nitrogen generator, air is compressed using an air compressor and then processed through the adsorber with molecular sieves or the membrane separator within the nitrogen generator. Finally, pure nitrogen is obtained as the output. Some nitrogen generators may also require an electrical power supply.

4.How is a nitrogen generator different from nitrogen supply in gas cylinders?

The main difference between a nitrogen generator and nitrogen supply in gas cylinders lies in the mode of nitrogen supply. A nitrogen generator continuously extracts nitrogen from the air, providing a continuous nitrogen supply without the need for cylinder replacements. In contrast, nitrogen supply in gas cylinders requires periodic cylinder replacements, and the supply quantity is limited by the cylinder capacity.

5.What should be considered for the maintenance of a nitrogen generator?

The maintenance of a nitrogen generator typically involves regular cleaning and replacement of the adsorber with molecular sieves or membrane separator, inspection and maintenance of the compressed air system, monitoring nitrogen generation performance, etc. Specific maintenance requirements should be referred to the user manual or guidance provided by the manufacturer of the nitrogen generator.

6.Which industries are nitrogen generators suitable for?

Nitrogen generators are widely used in various industries, including industrial, medical, food and beverage, and laboratory applications. They are commonly used in industries such as chemicals, electronics, and metal processing. In the medical field, they are used for anesthesia and gas delivery. In the food and beverage industry, they are used for packaging and preservation. In laboratories, they are used for atmospheric control and protection of equipment.

7.What is the noise level of a nitrogen generator during operation?

The noise level of a nitrogen generator varies depending on the model and design. Generally, nitrogen generators have low noise levels, especially when compared to traditional compressed air systems. Specific noise levels can be referred to the technical specifications or noise test reports of the nitrogen generator.

8.How long does it take for a nitrogen generator to start producing nitrogen gas?

The startup time of a nitrogen generator depends on the model and specifications. In general, nitrogen generators have short startup times, typically ranging from a few minutes to several tens of minutes. Larger capacity or higher purity requirement nitrogen generators may require longer startup times.

9.Can a nitrogen generator simultaneously produce nitrogen gas and oxygen gas?

The design purpose of a nitrogen generator is to separate oxygen and nitrogen to produce high-purity nitrogen gas. Therefore, in most cases, a nitrogen generator does not simultaneously produce nitrogen gas and oxygen gas. If simultaneous production of nitrogen and oxygen is required, additional equipment or techniques need to be used for further processing.

10.What is the energy consumption of a nitrogen generator?

The energy consumption of a nitrogen generator varies depending on the model, specifications, and operating conditions. Generally, nitrogen generators have relatively low energy consumption, especially when compared to traditional nitrogen supply in gas cylinders. Nitrogen generators are typically adjusted based on the actual nitrogen demand to improve energy efficiency and minimize energy consumption.