Medical oxygen is widely used in various departments of various medical and health institutions and plays an extremely important role in medical rescue. psa medical oxygen generator are becoming more and more widely used in the field of medical oxygen production due to their simple process flow, low investment and convenient maintenance.
PSA medical oxygen generator working principle
Pressure swing adsorption (PSA) is based on the different adsorption of oxygen and nitrogen by molecular sieves to separate oxygen and nitrogen in the air, thereby producing medical oxygen. Oxygen production can be completed under normal temperature and low pressure conditions. It has low cost, simple operation and fast oxygen production. It quickly replaced bottled liquid oxygen and became the mainstream oxygen supply equipment in hospitals with its safety, economy and convenience.
PSA technology has been put into use in the United States and Germany since the 1970s. At present, there are many models of medical PSA oxygen generators, but their overall structure is basically the same, all of which are composed of 4 major parts: air compression system, cold drying system, oxygen production system and control system. Its basic working process is as follows: the air compressor compresses the air into the air storage tank, dries it through the cold dryer, and the compressed and dried air enters the oxygen production system. The oxygen production system uses the molecular sieve to change the adsorption capacity of oxygen and nitrogen under high and low pressures to separate the oxygen and nitrogen in the air. In the cycle of the adsorption tower, when the oxygen concentration reaches more than 90%, the pressure pump automatically starts and compresses the oxygen into the storage tank, which can supply oxygen to the oxygen-using equipment.
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