Oxygen concentrators utilize the adsorption properties of molecular sieves to separate nitrogen and oxygen from ambient air through physical principles, powered by an oil-free compressor; the result is a supply of high-concentration oxygen.
A molecular sieve is a specially treated adsorbent consisting of white, spherical granules. Its surface and interior are permeated with micropores, enabling it to adsorb and release oxygen from the air-based on the principles of adsorption under pressure and desorption under reduced pressure-thereby achieving the automated separation of oxygen.
The operation of an oxygen concentrator is based on a periodic, dynamic cycle driven by molecular sieve technology. During the pressurization phase, the molecular sieve adsorbs nitrogen from the air; the remaining oxygen is collected and, following a purification process, becomes high-purity oxygen. During the depressurization phase, the molecular sieve releases the adsorbed nitrogen back into the ambient air, thereby regenerating itself and preparing for the next cycle of nitrogen adsorption and oxygen production.
The primary components of an oxygen concentrator include a compressor, a cooler, molecular sieves, and a control system. The compressor compresses the air and directs it into the cooler for cooling; the air then passes through the molecular sieves, where oxygen is separated from nitrogen and other gases. The separated oxygen is collected, compressed, and ultimately delivered to the user.
