Customized Bright Steel VPSA Oxygen Generators Produce High Purity Oxygen

VPSA Oxygen Generators That Produce High-Purity Oxygen Meet The Industry'S Requirements For High-Purity Oxygen

Working Principle Description:

The working principle of a VPSA (Variable Pressure Swing Adsorption) oxygen generator for producing high-purity oxygen is as follows:

Adsorbent Beds: The VPSA oxygen generator consists of multiple adsorbent beds filled with a specialized adsorbent material, typically zeolite molecular sieve. These beds selectively adsorb nitrogen while allowing oxygen to pass through.

Adsorption Phase: Ambient air is drawn into the oxygen generator and directed into one of the adsorbent beds. The adsorbent material in the bed preferentially adsorbs nitrogen molecules, resulting in an increased concentration of oxygen in the remaining gas. High-purity oxygen flows out of the adsorption bed and is collected for further processing and utilization.

Desorption Phase: When an adsorbent bed becomes saturated with nitrogen, it needs to be regenerated. The pressure in the bed is reduced, and the oxygen-rich gas is redirected back into the bed for desorption. This process releases the adsorbed nitrogen, which is then vented out of the system.

Bed Switching: The VPSA system includes multiple adsorbent beds that cyclically switch between adsorption and desorption phases. While one bed is undergoing desorption, the other beds continue adsorbing nitrogen. This ensures a continuous supply of high-purity oxygen. The switching can be controlled based on predetermined time intervals or monitored oxygen concentration.

Oxygen Purification: Although the oxygen obtained from the adsorption phase is already enriched in oxygen, it may still contain trace impurities. Additional purification processes such as filtration, drying, and sometimes cryogenic distillation are employed to further enhance the purity of oxygen.

Oxygen Storage and Distribution: The purified high-purity oxygen is typically stored in tanks or cylinders under appropriate pressure conditions. It can then be distributed to various applications as needed, including medical facilities, industrial processes, or other systems that require high-purity oxygen.

By utilizing the VPSA technology, the oxygen generator selectively adsorbs nitrogen from ambient air, resulting in the production of high-purity oxygen. This technology finds wide applications in medical, industrial, and other fields that require high-purity oxygen.

Product Advantages:

The high purity of oxygen produced by VPSA (Vacuum Pressure Swing Adsorption) oxygen generators is reflected in the following aspects:

Adsorption selectivity: VPSA oxygen generators utilize specific adsorbents that have high selectivity for nitrogen and other impurities. During the oxygen production process, these adsorbents selectively adsorb nitrogen and impurities, leaving behind pure oxygen. This adsorption selectivity allows VPSA oxygen generators to effectively remove nitrogen and other impurities, resulting in high purity oxygen.

Adjustment of operational parameters: VPSA oxygen generators can control the purity of oxygen by adjusting operational parameters. For example, by tuning parameters such as adsorbent regeneration steps, pressure, temperature, and cycle time, the purity of oxygen can be optimized. This flexibility enables VPSA oxygen generators to adjust operational parameters according to the desired purity requirements of the oxygen supply.

Multi-stage separation: Some VPSA oxygen generators employ a multi-stage separation design to further enhance the purity of oxygen. By using different adsorbents and operating conditions at different stages, higher oxygen purity can be achieved. The multi-stage separation design provides greater flexibility and control to meet the demand for high purity oxygen.

Oxygen monitoring and control: VPSA oxygen generators are typically equipped with oxygen monitoring systems to continuously monitor the purity of oxygen in real-time. This enables operators to monitor the oxygen purity and make adjustments and controls as necessary to ensure compliance with high purity requirements.

Therefore, the high purity of oxygen produced by VPSA oxygen generators is demonstrated through the adsorption selectivity for impurity removal, the ability to adjust operational parameters for purity control, the utilization of multi-stage separation for enhanced purity, and the inclusion of oxygen monitoring and control systems. These features enable VPSA oxygen generators to provide high purity oxygen supply suitable for various applications requiring high purity oxygen.

Technical parameters:

● Oxygen delivery: ≤300Nm3/hr;

● Purity: 93%±3

● Pressure: 0.2~0.3 Mpa

● Atmospheric dew point: ≤－50℃

Product picture: