The principle of nitrogen generator for medical nursing applications
The principle of nitrogen generator for medical nursing applications mainly includes pressure swing adsorption (PSA) technology and membrane separation technology. Both of these technologies utilize the differences in physical properties of gas molecules under different conditions to achieve gas separation.
Pressure Swing Adsorption (PSA) technology
Pressure swing adsorption technology utilizes the differences in adsorption capacity of different gas molecules on the surface of adsorbents. When compressed air passes through an adsorption tower filled with adsorbent, molecules such as oxygen, carbon dioxide, and water vapor are adsorbed by the adsorbent, while nitrogen passes through the adsorption tower due to its lower adsorption capacity, thereby achieving nitrogen extraction. Subsequently, the adsorbent is regenerated for the next cycle by reducing pressure or using countercurrent release.
Membrane separation technology
Membrane separation technology separates nitrogen and other components in the air through specific semi permeable membranes. These semi permeable membranes have different permeation rates for different gas molecules. Generally, molecules such as oxygen, carbon dioxide, and water vapor pass through the membrane faster than nitrogen, thus achieving the separation and purification of nitrogen.
Medical nursing application scenarios
In the medical field, nitrogen generators are mainly used in the following scenarios:
Sample preservation: In the biological sample library, nitrogen is used to provide a sterile and oxygen free storage environment for sensitive samples, preventing sample degradation.
Medical equipment cleaning and maintenance: Utilizing the inert properties of nitrogen, it is used to clean and maintain precision medical equipment, preventing oxidation and corrosion.
As a protective gas: In some medical processes and experiments, nitrogen is used as a protective gas to prevent adverse reactions caused by oxygen. Application of nitrogen in the pharmaceutical industry: · Application of nitrogen in the pharmaceutical industry: In synthetic pharmaceuticals, nitrogen can be used as a protective gas to fill chemical drug synthesis reactions, isolating oxygen in the air and allowing chemical reactions to occur in a clean environment without side reactions, thereby obtaining high-quality products. · Nitrogen is used as a power source to safely transport some liquids or intermediates that need protection to designated processes. · In the biopharmaceutical field, high-purity nitrogen is used to isolate sterile culture media from the environment, achieving high process requirements. · High purity nitrogen is required as a protective gas in the production process of large volume injections and small volume injections. Air, To achieve high-quality products, nitrogen is also needed as a protective gas for drug packaging to prevent drug contamination and oxidation.
Specification of nitrogen production device:
Nitrogen flow rate: 10-1000Nm ³/h (customized according to user requirements)
Nitrogen purity: 99~99.999%
Nitrogen pressure: 5-6 bar (pressure can be customized)
Control method: The equipment is controlled locally by PLC, and the main control room control is achieved through communication, which can achieve unmanned operation
Applicable environment: 5 ℃~37 ℃
Installation conditions: indoor, outdoor, frost resistant, load-bearing concrete floor, good ventilation
