Oxygen Generation For Filling Station

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Newtek is a manufacturer of advanced gas systems engineered for the production of oxygen, nitrogen, argon, acetylene, nitrous oxide and carbon dioxide in power plants and cylinder filling generators. Newtek is recognized as a global leader in the industry with extensive experience in onsite gas production and integrated plant systems, with approximately 350 installations worldwide.

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Over 9,000 Systems Deployed Worldwide

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The benefits of on-site oxygen generation systems in filling stations include:

Cost-effectiveness: No need to purchase filled oxygen cylinders, reducing the associated transportation and storage costs.

Reliability: Provides a stable supply of oxygen to meet the needs of various applications.

Customization: The system can be customized to meet the needs of different industries and applications.

Safety: On-site oxygen generation reduces the risks of handling high-pressure oxygen cylinders.

Working principle of PSA oxygen generator:

Air absorption stage:

Air passes through an adsorption tower filled with adsorbent (usually molecular sieve), and the oxygen in the gas is adsorbed by the adsorbent, while nitrogen and other gases pass through.

Flushing stage:

When the adsorption tower is saturated, the system stops supplying gas, and the adsorbed oxygen is released and discharged from the system by applying high-pressure washing gas (usually oxygen purified gas) to the adsorbent.

Regeneration stage:

After the adsorption tower is released, the gas remaining in the adsorbent is discharged by reducing the pressure, ready for the next cycle.

Cyclic operation:

There are usually two adsorption towers in the system, one in the adsorption stage and the other in the regeneration stage, which allows continuous oxygen production.

Filling system working principle:

Oxygen purification:
The oxygen produced from the PSA oxygen generator first undergoes a purification step to remove possible residual impurities, moisture and other impurities.

Compression:
The purified oxygen is compressed to the required pressure level for loading into oxygen cylinders.

Filling:
Compressed oxygen is delivered to oxygen cylinders and controlled and monitored through appropriate pipes and valves to ensure that each oxygen cylinder is filled correctly.

Testing and marking:
During the filling process, the purity, pressure and fill volume of the oxygen are usually tested and monitored, and the relevant information is marked on the oxygen cylinder.

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