Description of 99.99% Purity 30Nm3/H PSA Nitrogen Generator Food, metallurgy, chemical

PSA Nitrogen Generator: 30Nm3/H, 99.99% Purity, for 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 partnership with Burkert Valves, we have developed a bespoke double-acting pneumatic valve that is tailored to our specific requirements. By incorporating top and middle pressure equalization mechanisms and airflow orifice plates, we have successfully optimized the valve's design, resulting in significant reductions in air consumption and improved energy efficiency. In fact, our equipment boasts the highest energy consumption ratio in China.

Furthermore, we have implemented our patented silencer technology to effectively control device noise levels. With our innovative silencer, the noise emitted by our equipment is kept below 55 dB, ensuring a quieter operational environment.

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 provide first-line brands such as Atlas Copco, Ingersoll Rand, GDK, Liutech, Bolaite, Hanbell, and BK for air compressors, and provide Boly, Atlas Copco, and Liutech refrigerated dryers, as well as Anshan Jiapeng and Anqing Bailian boosters.

We can provide supporting equipment and accessories.

Currently, our company's products are aimed at end-users and distributors worldwide. We provide customized remote systems, color customization, display interface customization, and many other OEM services. And we also provide ASME standard equipment and pressure tanks for USA and Australian market.

For specific selection, please contact our customer manager. We hope to become your trusted long-term partner.

2. Working Principles for PSA Nitrogen Generator

A nitrogen generator operates on the principle of Pressure Swing Adsorption (PSA) technology. It consists of two main adsorption towers and a series of control valves.

The process begins by introducing compressed air into one of the adsorption towers. Within the tower, a specialized adsorbent material, such as carbon molecular sieve, selectively adsorbs oxygen molecules while allowing nitrogen molecules to pass through.

As the oxygen adsorption capacity of the tower reaches saturation, the control valves switch the airflow to the second tower. Meanwhile, the first tower undergoes a desorption phase where the pressure is reduced, causing the adsorbent to release the previously adsorbed oxygen.

The released oxygen is discharged from the system, while the second tower begins adsorbing oxygen from the incoming air stream. This alternating cycle ensures a continuous supply of high-purity nitrogen.

By carefully controlling the switching of airflow and pressure, the nitrogen generator achieves efficient separation and production of nitrogen with the desired purity. This PSA-based principle allows for reliable and cost-effective nitrogen generation in various applications.

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 offers versatility in producing nitrogen gas with varying degrees of purity to meet specific application demands. It provides a customizable range of purity options, including standard industrial-grade nitrogen (typically 95% to 99% purity), high-purity nitrogen (exceeding 99.9% purity), and ultra-high purity nitrogen (typically surpassing 99.999% purity).
• The choice of nitrogen purity depends on the unique requirements of each application. Different industries and processes have specific purity standards to ensure optimal performance and desired outcomes. With a nitrogen generator, users have the flexibility to select the purity level that best suits their needs. This allows for precise control over nitrogen gas quality, catering to a wide range of applications such as food packaging, pharmaceutical manufacturing, electronics assembly, and laser cutting, among others.
• By providing customizable purity options, a nitrogen generator empowers users to tailor their nitrogen supply to match the specific requirements of their processes, ensuring efficiency, reliability, and cost-effectiveness.

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 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.