PSA Nitrogen Plant

Liquid Nitrogen Machine Introduction

 

A brief technical description of the equipment

A brief technical description of the equipment

 

The equipment integrates an efficient PSA pressure swing adsorption nitrogen production module with advanced Stirling or GM refrigeration liquefaction modules. It can directly utilize ambient air and automatically and continuously produce and store high-purity liquid nitrogen (-196°C).

Who is the target audience for this model?

The LDH GAS series is particularly suitable for scenarios with medium to small quantities,

 high frequency usage, and extremely high requirements for supply stability:

 

Biomedical and scientific research: hospital laboratories, reproductive centers, biological sample banks (cryopreservation of cells/tissues), PCR laboratories;

The cutting surfaces on a vertical end mill bit (are for milling ) are on its sides , designed for cutting horizontally , a drill bit ( are for drilling ) cutting surface is at its tip , designed for cutting vertically downward .. you'll notice a end mill usually has a flat on the end of the bit .

 

Livestock breeding: livestock stations, farms (cryopreservation of semen/embryos);
Industrial inspection and cold treatment: low-temperature brittleness tests for materials, cold shrink assembly for precision instruments, small metal cold treatment workshops;

The cutting surfaces on a vertical end mill bit (are for milling ) are on its sides , designed for cutting horizontally , a drill bit ( are for drilling ) cutting surface is at its tip , designed for cutting vertically downward .. you'll notice a end mill usually has a flat on the end of the bit .

 

Cosmetic and dermatology: beauty salons, dermatology clinics (liquid nitrogen cryotherapy for warts, moles, etc.);
Food research and high-end catering: molecular cuisine restaurants, food laboratories (rapid freezing, liquid nitrogen ice cream production);

 

Precise user targeting

 

This series of nitrogen generators is specifically designed for industrial users who have a need for stable on-site nitrogen supply, aim to optimize gas supply costs and enhance production efficiency. It precisely caters to the following scenarios and groups:

High-purity 

 

- Electronics and SMT industry: Enterprises that require high-purity nitrogen gas as the welding shielding gas and cleaning gas for electronic components, as these enterprises have strict requirements for the purity and stability of nitrogen gas. 

- Food processing and packaging industry: Enterprises that require inert gas protection in food preservation packaging, grain storage, and food cold chain transportation. 

nitrogen gas

 

- Metal processing industry: Laser cutting, welding, and metal processing plants that require nitrogen to prevent oxidation and improve processing quality, as well as metallurgical plants. 

-Chemical and pharmaceutical industry: Chemical synthesis workshops that require nitrogen as an inert protective gas and reaction gas, enterprises engaged in the production of pharmaceutical intermediates and the creation of an oxygen-free environment in drug packaging. 

- Small and medium-sized industrial users: These are small and medium-sized manufacturing enterprises, laboratories and research institutions that have high demands for gas supply flexibility and cost controllability, and which can reduce logistics and safety risks.

Pressure Swing Adsorption (PSA) technology, as a significant breakthrough in the field of gas separation, originated in the 1960s. With the optimization of molecular sieve materials and the development of automation control technology, PSA nitrogen production gradually became an efficient and energy-saving nitrogen preparation solution in the 1970s and 1980s, replacing the traditional cryogenic air separation method. It particularly dominated in scenarios requiring medium and low purity nitrogen.

The core advantages of PSA nitrogen production equipment lie in its modular design, low energy consumption, and rapid start-up and shutdown, enabling flexible adaptation to the diverse needs of industries such as chemical engineering, electronics, food, and medicine. PSA nitrogen production equipment utilizes the selective adsorption characteristics of carbon molecular sieves (CMS) for oxygen, carbon dioxide, and water, through a cycle of pressurized adsorption and depressurized desorption, to separate high-purity nitrogen from compressed air. Its typical features include:

• Wide purity range: 95% to 99.9995% (adjustable according to customer requirements).
• Wide flow coverage: from 1 m³/h to several thousand m³/h.
• Low energy consumption: 30% to 50% more energy-efficient compared to cryogenic methods.
• Fully automatic operation: controlled by PLC or touch screen, with real-time monitoring of purity and pressure.

1. Intelligent control: AI algorithms dynamically adjust the adsorption cycle, achieving a 10% to 15% energy saving.

2. Modular design: Containerized integration, shortening the delivery cycle.

3. Green process: Heat recovery, low-noise compressors, and other environmentally friendly designs.

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