50 cubic 99.99% nitrogen machine (with outer box)

Working principle
PSA pressure swing adsorption nitrogen production principle
Carbon molecular sieve can absorb oxygen and nitrogen in the air at the same time, and its adsorption capacity also increases with the increase of pressure, and there is no significant difference in the equilibrium adsorption capacity of oxygen and nitrogen under the same pressure. Therefore, it is difficult to effectively separate oxygen and nitrogen by pressure changes alone. If the adsorption rate is further considered, the adsorption properties of oxygen and nitrogen can be effectively distinguished. The diameter of oxygen molecules is smaller than that of nitrogen molecules, so the diffusion rate is hundreds of times faster than nitrogen, so the adsorption speed of carbon molecular sieve oxygen is also very fast, adsorption about 1 minute to reach more than 90%; At this time, the adsorption of nitrogen is only about 5%, so the adsorption is mostly oxygen, and the rest is mostly nitrogen. In this way, if the adsorption time is controlled within 1 minute, oxygen and nitrogen can be initially separated, that is, adsorption and desorption are achieved by pressure difference, adsorption when the pressure rises, desorption when the pressure falls. The difference between oxygen and nitrogen depends on the difference in the speed of adsorption between the two, which is achieved by controlling the adsorption time, the time is controlled very short, oxygen has been fully adsorbed, and nitrogen has not had time to adsorb, and the adsorption process has stopped. Therefore, pressure swing adsorption nitrogen production must have pressure changes, but also to control the time within 1 minute.

Shenzhen Troy New energy Co., LTD

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