PSA nitrogen generator

PSA nitrogen generator

A PSA  nitrogen generator is a specialized piece of equipment designed to produce high-purity nitrogen gas by selectively extracting nitrogen molecules from the surrounding air. These generators are utilized in various industries and applications where a consistent and reliable supply of nitrogen gas is required. Here’s a detailed description of a typical PSA nitrogen generator:

Cutting-Edge Nitrogen Generation Technology: A PSA nitrogen generator employs advanced technology to separate nitrogen molecules from ambient air effectively. It utilizes the principle of adsorption to capture oxygen, carbon dioxide, and other impurities while allowing nitrogen to pass through, resulting in a stream of highly concentrated and pure nitrogen gas.

Robust Construction: PSA nitrogen generators are built with durability in mind. They feature rugged enclosures and high-quality components that ensure long-term performance and minimal maintenance requirements. These systems are engineered to meet strict quality and safety standards, making them suitable for a wide range of industrial and commercial applications.

Dual Adsorption Towers: Most PSA nitrogen generators consist of two adsorption towers, each filled with specialized adsorbent materials like carbon molecular sieve or zeolite. This dual-tower configuration enables a continuous nitrogen supply, as one tower adsorbs impurities while the other regenerates.

Precision Control System: These generators incorporate advanced control systems that manage the entire nitrogen production process. Automated algorithms control the switching between adsorption and regeneration phases, guaranteeing a steady and uninterrupted flow of high-purity nitrogen gas.

High Purity Output: One of the primary advantages of PSA nitrogen generators is their ability to produce nitrogen gas with exceptionally high purity levels, often exceeding 99.9%. This level of purity makes the generated nitrogen suitable for critical applications in industries such as food packaging, electronics manufacturing, and pharmaceuticals.

Efficiency and Cost-Effectiveness: PSA nitrogen generators are highly efficient, using the natural composition of air to create nitrogen gas without the need for external nitrogen sources or storage tanks. This feature reduces operational costs and eliminates the logistical challenges associated with traditional nitrogen delivery methods.

Versatile Applications: PSA nitrogen generators find applications in a wide range of industries. They are commonly used in food and beverage packaging to extend the shelf life of products, in electronics manufacturing to prevent oxidation during production, and in pharmaceuticals for nitrogen blanketing and purging processes.

Safety Measures: Safety is a paramount concern for PSA nitrogen generators. These systems are equipped with safety features such as pressure sensors, alarms, and fail-safe mechanisms to ensure safe and trouble-free operation while protecting against potential hazards.

In summary, a PSA nitrogen generator is a state-of-the-art device that offers a reliable, cost-effective, and efficient solution for producing high-purity nitrogen gas on-site. Its robust construction, precise control system, and versatility make it an invaluable tool in numerous industries, ensuring a constant and dependable supply of pure nitrogen whenever and wherever it is needed.

Working principle:

PSA, also known as Pressure Swing Adsorption. Pressure swing adsorption (PSA) is a new gas separation technology that utilizes the difference in adsorption performance of molecular sieves on different gas molecules to separate gas mixtures. It uses air as the raw material and utilizes a highly efficient solid adsorbent to selectively adsorb nitrogen and oxygen, separating them from the air. The separation effect of carbon molecular sieve on nitrogen and oxygen is mainly based on the different diffusion rates of these two gases on the surface of carbon molecular sieve. Gas with smaller diameter (oxygen) diffuses faster and more enters the solid phase of the molecular sieve. In this way, nitrogen enriched components can be obtained in the gas phase. After a period of time, the adsorption of oxygen by the molecular sieve reaches equilibrium. Based on the different adsorption capacity of carbon molecular sieve for adsorbed gas under different pressures, reducing the pressure causes the carbon sieve to remove the adsorption of oxygen. This process is called regeneration. The pressure swing adsorption method usually involves parallel connection of two towers, alternating pressure adsorption and decompression regeneration, to obtain a continuous nitrogen flow.

Product features:

1. The raw air is taken from nature, and only compressed air and power supply are needed to produce nitrogen. The equipment has low energy consumption and low operating costs.
2. The nitrogen purity adjustment is convenient, and the nitrogen purity is only affected by the nitrogen exhaust volume. The purity of ordinary nitrogen production can be adjusted between 95% -99.99%, while high-purity nitrogen production machines can be adjusted between 99% -99.9999%.
3. The equipment has a high degree of automation, fast gas production, and can be unmanned. To start or shut down, simply press the button and nitrogen will be generated within 10-15 minutes of starting up.
4. The equipment process flow is simple, the equipment structure is compact, the footprint is small, and the equipment device has strong adaptability.
5. The blizzard method is used to load the sieve, avoiding the phenomenon of sieve pulverization caused by high-pressure airflow impact, and ensuring the long-term use of the molecular sieve
6. The digital flowmeter is a secondary instrument for industrial process monitoring with pressure compensation and high precision, and has the function of instantaneous flow rate and cumulative calculation.

Industry application scope:

1. SMT industry applications
Nitrogen filled reflow soldering and wave soldering can effectively suppress the oxidation of solder, improve welding wettability, accelerate wetting speed, reduce the generation of solder balls, avoid bridging, reduce welding defects, and achieve good welding quality. The purity of nitrogen used is greater than 99.99% or 99.9%. Kaiyue cooperates with most domestic and foreign nitrogen filled reflow soldering and wave soldering equipment manufacturers, We have equipped hundreds of cost-effective pressure swing adsorption nitrogen generators for many well-known SMT electronic manufacturers, and have a huge customer base in the SMT industry, with a market share of over 90%.
4. Ammonia selective welding, blowing and packaging are used in the electronic components industry. Scientific nitrogen inert protection has been proven to be an essential step in the successful production of high-quality electronic components
5. The application of gas in the chemical and new materials industries creates an anaerobic atmosphere in chemical processes, improves the safety of production processes, and provides power sources for fluid transportation. Petroleum: can be used for nitrogen sweeping of pipelines and containers in systems, nitrogen filling of storage tanks, displacement leak detection, combustible gas protection, and also for diesel hydrogenation and catalytic reforming.
6. Powder metallurgy, metal processing industry, heat treatment industry application, annealing and carbonization of steel, iron, copper, aluminum products, high-temperature furnace protection, low-temperature assembly and plasma cutting of metal components, etc
7. The food and pharmaceutical industry applications are mainly used in food packaging, food preservation, food storage, food drying and sterilization, pharmaceutical packaging, pharmaceutical ventilation, pharmaceutical conveying atmosphere, etc
8. Other usage areas
In addition to being used in the above-mentioned industries, nitrogen production machines are widely used in many fields such as coal mines, injection molding, brazing, tire nitrogen filling, rubber vulcanization, etc. With the progress of technology and social development, the use of nitrogen devices is also becoming more and more widespread. On site gas production (nitrogen production machines) has gradually replaced traditional nitrogen supply methods such as liquid nitrogen evaporatio.