Description of 99.999% Purity 180Nm3/H PSA Nitrogen Generator For powder metallurgy, metal processing industry

High Efficiency PSA Nitrogen Generator / Liquid Nitrogen Generator For Metal Processing Industry

A Pressure Swing Adsorption (PSA) nitrogen generator is an advanced and highly precise automated device designed to produce nitrogen gas with exceptional purity. This cutting-edge generator utilizes ambient air as its primary input and employs a carbon molecular sieve as a highly efficient adsorbent. The ingenious principle of pressure reduction desorption is employed to selectively capture oxygen molecules from the air, effectively separating them from nitrogen.

Inside the PSA nitrogen generator, air is carefully directed through a bed of carbon molecular sieve under high pressure. The carbon molecular sieve has a remarkable affinity for oxygen molecules, allowing them to be adsorbed while enabling nitrogen molecules to pass through unhindered. By precisely adjusting the pressure, the adsorbed oxygen molecules are subsequently released, resulting in a stream of nitrogen gas that is remarkably pure and free from impurities.

This meticulous process empowers the PSA nitrogen generator to consistently produce nitrogen gas with the desired levels of purity, meeting the diverse requirements of various industries and applications. It provides a reliable and cost-effective solution that effectively fulfills the ever-increasing demand for high-purity nitrogen gas.

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

• 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.

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

Carbon Molecular Sieve (CMS) is an extremely efficient adsorbent material extensively utilized in nitrogen generators. It is widely recognized for its exceptional effectiveness, compactness, and superior quality, making it a preferred option in diverse industries. The CMS incorporates a meticulously designed, spring-loaded mechanism that ensures optimal and well-balanced performance throughout the nitrogen generation process. To further enhance stability and reliability, a dedicated pressure sensor is integrated into the system.

When targeting nitrogen purity levels below 99.99%, the CMS-240 variant is highly recommended due to its remarkable performance. However, for applications that require an even higher purity level of 99.999% in a single step, the CMS-260 is the ideal choice. These carbon molecular sieves play a vital role in nitrogen generation, enabling the production of nitrogen gas with unparalleled purity. Their applications are extensive, spanning industries such as manufacturing, healthcare, and laboratories, where the demand for highly pure nitrogen is of utmost importance.

5. Standard Features

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

6. Optional Features

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

-Applications-

•  

• Semiconductor Silicon Industry:

  Protection and cleaning of atmosphere during semiconductor and integrated circuit manufacturing processes.
  Recovery of chemicals used in the manufacturing process.

• 
  Electronic Components Industry:

  Nitrogen is used for selective welding, purging, and encapsulation of electronic components.
  Nitrogen inert protection ensures the production of high-quality electronic components.

• 
  Semiconductor Packaging Industry:

  Nitrogen is used for packaging, reduction, and storage purposes.

• 
  Powder Metallurgy and Metal Processing Industry:

  Heat treatment processes such as annealing and carbonization of steel, iron, copper, and aluminum products.
  Nitrogen provides furnace protection during high-temperature operations.
  Nitrogen is used for low-temperature assembly and plasma cutting of metal parts.

• 
  Chemical Industry and Advanced Material Industry:

  Nitrogen is utilized to create an oxygen-free atmosphere in chemical processes, enhancing production safety.
  Nitrogen is used for purging pipes and vessels, filling nitrogen storage tanks, gas displacement, leak detection, combustible gas protection, chemical reaction agitation, and chemical fiber production.
  It is also employed in diesel hydrogenation and catalytic reforming processes.

• 
  Oil and Gas Industry:

  Nitrogen is utilized in oil refining processes, container machine pipeline nitrogen-filled purge, box leak detection, and nitrogen injection for oil recovery.

• 
  Food and Medicine Industry:

  Nitrogen is primarily used in food packaging, preservation, and storage.
  Nitrogen can be used for sterilization purposes with configurable sterilization filters.
  In the medical field, nitrogen is used for medicine packaging, medical replacement gas, medicine delivery atmosphere, and other applications related to food and medicine.

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?

The working principle of a nitrogen generator is primarily based on either the adsorption technology using molecular sieves or membrane separation technology. Adsorption technology selectively adsorbs oxygen and moisture using a specific adsorbent material, such as molecular sieves, while allowing nitrogen to pass through. Membrane separation technology, on the other hand, utilizes the size and permeability of gas molecules to achieve the separation of nitrogen from other gas components on a membrane.

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?

A key distinction between a nitrogen generator and nitrogen supply in gas cylinders lies in the method of nitrogen provision. A nitrogen generator operates by continuously extracting nitrogen from the surrounding air, ensuring a consistent and uninterrupted nitrogen supply. This eliminates the need for frequent cylinder replacements.On the other hand, nitrogen supply in gas cylinders relies on storing nitrogen gas in pressurized cylinders. As the nitrogen is consumed, the cylinder eventually becomes empty and needs to be replaced with a full cylinder. This entails periodic cylinder replacements to maintain a steady nitrogen supply. Furthermore, the quantity of nitrogen available is limited by the capacity of the cylinder. Once the gas in the cylinder is depleted, it must be exchanged or refilled before it can be used again.In summary, a nitrogen generator offers a continuous supply of nitrogen by extracting it from the air, eliminating the need for cylinder replacements. In contrast, nitrogen supply in gas cylinders requires periodic replacements and is limited by the capacity of the cylinders.

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.