PSA Nitrogen Generator/Nitrogen Generating System: 120Nm3/H, 99.9% Purity, For Food, Metallurgy, Chemical

Description of 99.9% Purity 120Nm3/H PSA Nitrogen Generator Food, metallurgy, chemical

industry applicable

We have been engaged in the assembly of PSA nitrogen generators and oxygen generators in our factory for 15 years, providing approximately 400 sets of PSA nitrogen generators and oxygen generators for domestic and international customers each year, including production, and debugging.

In collaboration with Burkert Valves, we have customized our own double-acting pneumatic valve. Through the design of top and middle pressure equalization,and airflow orifice plates, we continuously optimize and reduce the air consumption ratio of the equipment, thus achieving energy savings. The energy consumption ratio of our equipment has reached the highest level in China. And through our patented silencer, our device noise is controlled to less than 55 db.

In terms of process flow, we have cutting, welding, assembly, filling of molecular sieves, automatic rust removal, spraying, and complete procedures and supporting equipment for commissioning.

In the supply chain aspect, we offer a wide range of top-tier brands for air compressors, including Atlas Copco, Ingersoll Rand, GDK, Liutech, Bolaite, Hanbell, and BK. Additionally, we provide refrigerated dryers from Boly, Atlas Copco, and Liutech, as well as boosters from Anshan Jiapeng and Anqing Bailian. Our product offerings also include a comprehensive selection of supporting equipment and accessories.

Our company caters to both end-users and distributors worldwide. We specialize in providing customized solutions, offering services such as remote system customization, color customization, display interface customization, and various other OEM services. Furthermore, we supply ASME standard equipment and pressure tanks specifically designed for the USA and Australian markets.

For specific product selection or inquiries, please reach out to our dedicated customer manager. We are committed to establishing a long-term partnership built on trust and mutual success.

2. Working Principles for PSA Nitrogen Generator

The working principles of a Pressure Swing Adsorption (PSA) nitrogen generator revolve around the concept of adsorption and desorption using a specialized adsorbent material. Here is a simplified explanation of its operation:

Adsorption: Compressed air containing nitrogen and oxygen is introduced into the PSA nitrogen generator. Inside the generator, the air passes through an adsorbent material, such as a carbon molecular sieve (CMS). The CMS has a higher affinity for oxygen molecules, allowing it to selectively adsorb oxygen 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, separating nitrogen from the air stream. This process results in the production of nitrogen gas with a higher concentration of purity.

Desorption: Over time, the CMS bed becomes saturated with adsorbed oxygen molecules. To regenerate the adsorbent material, the pressure in the system is reduced, causing the trapped oxygen to be released from the CMS. This desorption step allows the CMS to be ready for the next cycle of nitrogen production.

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

Continuous Operation: The PSA nitrogen generator typically consists of multiple adsorption vessels that operate in a cyclic manner. While one vessel is in the adsorption phase, another vessel is in the desorption and purge phases, ensuring a continuous supply of high-purity nitrogen gas.

By leveraging the adsorption and desorption properties of the specialized adsorbent material, the PSA nitrogen generator effectively separates nitrogen from the air, providing a reliable and continuous source of nitrogen gas with the desired purity level.

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

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
• 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.

• 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?

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?

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 is influenced by its specific model and specifications. Generally, nitrogen generators are known for their relatively short startup times, which typically range from a few minutes to several tens of minutes. However, it is important to note that startup times may vary depending on factors such as the capacity of the nitrogen generator and the desired purity level of the nitrogen produced.
• Smaller capacity nitrogen generators or those with lower purity requirements often have shorter startup times. They can quickly reach operational levels and begin producing nitrogen within a matter of minutes.
• On the other hand, larger capacity nitrogen generators or those designed to produce nitrogen with higher purity levels may require longer startup times. These generators may have additional processes or components that need to be activated or stabilized, which can extend the startup duration. In such cases, the startup time can range from several minutes to several tens of minutes before the generator reaches its optimal performance level.
• To ensure a smooth and efficient workflow, it is crucial to take into account the specific needs of the application and carefully review the manufacturer's specifications to determine the anticipated startup time for a particular nitrogen generator model. By gaining a clear understanding of the startup time, users can strategically plan and optimize their nitrogen generation processes.
• Consulting the manufacturer's specifications provides valuable insights into the expected startup time of the nitrogen generator. These specifications outline the necessary steps and time required for the generator to reach its operational state, ensuring the consistent production of nitrogen.
• By aligning the startup time with the workflow requirements, users can effectively plan their nitrogen generation activities. This enables them to synchronize the generator's activation with the operational needs, minimizing any potential delays or disruptions in nitrogen supply.
• Furthermore, understanding the startup time allows users to optimize the overall nitrogen generation process. This knowledge helps in coordinating activities, such as scheduling maintenance or coordinating production cycles, to maximize efficiency and productivity.
• By considering the specific requirements of the application and being aware of the expected startup time, users can streamline their nitrogen generation processes, leading to improved workflow management, enhanced productivity, and a seamless supply of nitrogen as per the application's demands.

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.