Bright Steel VPSA Oxygen Generator Adjust Production Rate

The VPSA Oxygen Generator Can Adjust The Production Rate According To Demand Of Different Oxygen Production Outputs

Working Principle Description:

The VPSA (Vacuum Pressure Swing Adsorption) oxygen generator produces oxygen through the following process:

Compressed Air Intake: Ambient air is drawn in and compressed using a compressor, increasing its pressure and concentration.

Inlet Pretreatment: The compressed air undergoes pretreatment, including cooling and dehumidification, to remove moisture and impurities. This step enhances the efficiency and stability of the subsequent adsorption process.

Adsorption Stage: The pretreated compressed air enters the adsorber, which contains adsorbent material such as molecular sieves or zeolites. In this stage, the adsorbent selectively adsorbs nitrogen while allowing oxygen to pass through.

Adsorber Regeneration: When the adsorber reaches a certain level of adsorption saturation, regeneration is required. This process involves two key steps: pressure equalization and desorption. First, pressure equalization balances the pressure of the adsorber with the system, followed by reducing the pressure within the bed to release the adsorbed nitrogen and achieve regeneration.

Bed Switching: Once regeneration is complete in one adsorber, the system switches the inlet flow to the other adsorber. This allows one adsorber to perform the adsorption stage while the other undergoes regeneration. By cyclically switching between the beds, continuous oxygen production is achieved.

By repeating these steps in a continuous cycle, the VPSA oxygen generator extracts high-purity oxygen from the air. Control systems monitor and adjust parameters to ensure process stability and efficiency.

Product Advantages:

Number of Adsorption Beds: VPSA oxygen generators typically consist of multiple adsorption beds. Each bed can be operated independently, allowing the system to selectively enable or disable specific beds based on the requirements. By controlling the number of activated beds, the oxygen production rate can be adjusted.

Adsorption Cycle Time: The adsorption cycle time in VPSA oxygen generators is a key parameter for adjusting the oxygen production rate. The adsorption cycle time includes the durations of the adsorption, desorption, and regeneration stages. By extending or reducing the durations of these stages, the gas volume adsorbed and desorbed per cycle can be adjusted, thereby achieving different oxygen flow rates.

Gas Feed Flow Rate: Adjusting the gas feed flow rate of the VPSA oxygen generator can also achieve different oxygen production rates. Increasing the gas feed flow rate increases the gas content in the adsorption beds, thereby increasing the oxygen production rate. Conversely, reducing the gas feed flow rate will correspondingly decrease the oxygen production rate.

Cycle Control System: VPSA oxygen generators are equipped with an automated cycle control system that can monitor and adjust various parameters in real-time to achieve flexible modulation of the oxygen production rate. By adjusting the parameter settings such as pressure, flow rate, and temperature in the cycle control system, precise control of the oxygen production rate can be achieved.

Technical parameters:

● Oxygen delivery: ≤500Nm3/hr;

● Purity: 93±3%

● Pressure: 0.2~0.3 Mpa

● Atmospheric dew point: ≤－60℃

Product picture: