How does a oxygen generator (nitrogen generator) work?
Industrial oxygen generators and industrial nitrogen generators are a set of air separation equipment that simultaneously extract oxygen and nitrogen from the air. It is a new type of technological process with a turbo expander.
Industrial oxygen generators and industrial nitrogen generators are a set of air separation equipment that simultaneously extract oxygen and nitrogen from the air. It is a new type of technological process with a turbo expander.
The purified inlet air exchanges heat with the reflux gas in the main heat exchanger, and is gradually cooled into saturated air, with a small amount of liquefaction, and then enters the lower tower for rectification.
Distillation is the process of obtaining pure oxygen and pure nitrogen by partial evaporation and partial condensation in a fractionating tower with different boiling points of oxygen and nitrogen.
The role of the lower fractionation tower is to produce liquid air and liquid nitrogen. The function of the main condensing evaporator is to evaporate liquid oxygen and condense gas nitrogen at different pressures under low pressure, and the function of the upper fractionation tower is to obtain product oxygen and nitrogen.
The medical oxygen generator is a kind of medical equipment that extracts oxygen from the air by using techniques such as pressure swing adsorption. It is suitable for oxygen therapy and health care in medical institutions and families.
The common type of medical oxygen generator is pressure swing adsorption oxygen generator, which uses pressure swing adsorption technology to produce oxygen, which can extract oxygen from the air. The medical oxygen generator is filled with molecular sieves, and the surface area of each gram of molecular sieve can reach 800-1000m2/g. Under pressure, the physical adsorption and desorption technology of molecular sieves are used to adsorb nitrogen in the air. Oxygen will be collected, and by purifying it, oxygen with relatively high purity can be obtained.
When the molecular sieve is depressurized, the previously adsorbed nitrogen will be discharged into the air again. When pressurized again, nitrogen can be adsorbed to produce oxygen. Therefore, the medical oxygen generator can realize periodic cycle oxygen production, which is a dynamic process.
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