What is the Difference Between Oxygen Concentrator and Oxygen Cylinder

Thekey differencebetween oxygen concentrator and oxygen cylinder is thatoxygen concentrator can concentrate oxygen from a gas supply through selective removal of氮to give an oxygen-enriched gas stream, whereas oxygen cylinder is a container having pure or close to pure oxygen gas。

Oxygen gas is essential for life on Earth because we all breathe air which contains about 20% of oxygen. This oxygen enters our bloodstream, eventually contributing to the respiration and energy production inside our body.

内容

1.Overview and Key Difference
2.什么是氧气集中器
3.What is an Oxygen Cylinder
4.氧气集中器与氧气缸形式
5。Comparison Summary

什么是氧气集中器？

Oxygen concentrator is a system or a device that can concentrate oxygen gas from a gas supply through selective removal of nitrogen gas to give an oxygen-enriched product gas stream. There are two major ways of concentrating oxygen: pressure swing adsorption and membrane gas separation.

When considering the history of these oxygen concentrators, these devices were invented in 1970 as home医用氧气concentrators. Before this invention, home medical oxygen therapy used heavy high pressure oxygen cylinders or small cryogenic liquid oxygen systems. These two oxygen supply methods required frequent home visits by suppliers, which was very troublesome.

最常见的氧气集中器形式使用压力摇摆吸附或PSA技术，可用于医疗保健应用中的氧气提供。当使用加压液氧是危险或不便时，这非常有用。但是，氮分离膜技术也用于其他某些目的。

Generally, an oxygen concentrator tends to take in air and remove nitrogen gas from the air, thereby leaving an oxygen-rich gas for use. These devices provide an economical source of oxygen for bothindustrial needs和medical needs。

When observing the action of pressure swing adsorption, these devices use a molecular sieve in order to absorb gases and operate the principle of rapid pressure swing adsorption of atmospheric nitrogen onto zeolite minerals at a high-pressure condition. This technique is reliable and economically important.

What is an Oxygen Cylinder?

Oxygen cylinder or oxygen tank is an oxygen storage vessel that contains oxygen gas under pressure in a cylinder. There are some other types of oxygen tanks as well, which contains liquid oxygen in the cryogenic storage tank.

There are many different uses of oxygen cylinders, including medical breathing at hospitals and home, breathing requirements at altitude in aviation, in oxygen first aid kits, oxygen therapy, gas blending, which is required for the creation of diving breathing mixes such as nitrox, for open-circuit scuba sets, for climbing, for industrial processes such as the manufacture of steel and monel, etc.

We can deliver breathing oxygen from the cylinder to the user through the use of one of the following methods; using an oxygen mask, nasal cannula, full-face diving mask, diving helmet, demand valve, oxygen rebreather, built-in breathing system, oxygen tent, and hyperbaric oxygen chambers. However, the equipment that comes with an oxygen cylinder must be “oxygen clean” and “oxygen compatible”. This reduces the risk of fire.

What is the Difference Between Oxygen Concentrator and Oxygen Cylinder?

氧气浓缩器和氧气缸之间的关键区别在于，氧浓缩器可以通过选择性去除氮从气体供应中浓缩氧气，从而获得富含氧气的产物气流，而氧气缸是具有纯氧气或接近纯氧气的容器。

Below is a list of differences between oxygen concentrator and oxygen cylinder in tabular form.

比较摘要 - 氧气集中器与氧气缸

Oxygen gas is essential for life on Earth because we all breathe air, which contains about 20% of oxygen. This oxygen enters our bloodstream, eventually contributing to the respiration and energy production inside our body. The key difference between oxygen concentrator and oxygen cylinder is that oxygen concentrator can concentrate oxygen from a gas supply through selective removal of nitrogen to give an oxygen-enriched product gas stream, whereas an oxygen cylinder is a container having pure or close to pure oxygen gas.

Reference:

1.“氧气瓶。”维基百科, Wikimedia Foundation, 22 May 2021,Available here。

Image Courtesy:

1.“Pressure swing adsorption principle” By Cmglee – Own work(CC BY-SA 4.0)viaCommons Wikimedia
2. “10ltr oxygen cylinder” By Pawar0365 – Own work(CC BY-SA 4.0)viaCommons Wikimedia