Why we should choose the molecular sieve oxygen concentrator

17 Mar 2023

The molecular sieve oxygen concentrator is a new concentration of oxygen production equipment, with good application prospects, can provide a better choice for hospital oxygen supply.Oxygen is an indispensable medical material in modern hospitals, and plays an important role in life support, critical resuscitation and rehabilitation physiotherapy.

With the continuous progress of preparation technology, the hospital oxygen supply mode has developed from cylinder oxygen supply mode, liquid oxygen centralized oxygen supply mode to molecular sieve oxygen machine oxygen supply mode.

At present, most hospitals still use cylinder oxygen supply or liquid oxygen centralized oxygen supply, but molecular sieve oxygen technology uses air as the raw material, which is convenient, safe and fast, and can avoid many shortcomings of cylinder oxygen supply and liquid oxygen centralized oxygen supply, realize the autonomy of hospital oxygen supply, and choose a better oxygen supply method for modern hospital construction.

Molecular sieve oxygen concentrator operation process

The ambient air is filtered by a coarse filter to remove large solid impurities and fed into the air compressor, and the temperature of the compressed air rises.

The treated air is pressurized into the adsorption tower, where the nitrogen is adsorbed and the oxygen flows into the oxygen buffer tank, which is then depressurized and piped to the patient area, and the separated nitrogen is discharged outside.

In order to provide a continuous supply of oxygen, molecular sieve oxygen concentrators are usually installed with more than two adsorption towers, which work in turn in the process of adsorbing nitrogen under pressure and releasing nitrogen under pressure.

In cylinder oxygen supply, the storage capacity of a single cylinder is small, and oxygen cylinders need to be replaced frequently, which makes purchasing, transporting, storing and keeping complicated and tedious, and consumes a lot of labor and material resources.

The centralized supply of liquid oxygen requires regular purchase of liquid oxygen from professional oxygen manufacturers and transportation and filling by special high-pressure tankers.Therefore, the procurement cycle takes 5-7 days; the oxygen station needs to be equipped with more management and maintenance personnel.

The above two oxygen supply methods, oxygen preparation is not completed in the hospital, from the acquisition to the use of a certain period of time, and by the weather and traffic and other influences, in case of emergencies easily cause the hospital oxygen difficulties.

The molecular sieve oxygen concentrators are installed in hospitals, using air as the raw material, which is convenient and fast to operate, and can be self-produced and self-used, especially in small and medium-sized cities where there is a lack of liquid oxygen producers.

The operation of the equipment is simple and convenient, only a small number of managers are needed, multiple adsorption towers work in turn, the failure of one of them does not affect the overall oxygen supply, which can save a lot of manpower and material resources.

Molecular sieve oxygen concentrator development prospects

The molecular sieve oxygen concentrator is a new type of oxygen preparation technology with low energy consumption and fast regeneration rate, which is an energy-saving gas separation technology, especially suitable for application in areas with difficult transportation and energy shortage.

With the advancement of science and technology, molecular sieve oxygen concentrators can be further developed in the following areas.

Firstly, the concentration of oxygen produced by the molecular sieve oxygen concentrator is (96±3)%, which is lacking compared to the 99.5% oxygen concentration of the deep-cooling oxygen technology.

With the development of the materials industry and the application of new adsorbent materials, the adsorption performance of molecular sieves will be improved and the concentration of oxygen produced will become higher and higher, making it possible to reach the concentration of oxygen produced by the deep-cooling method of oxygen production technology.

Secondly,molecular sieve life. Molecular sieve oxygen concentrator generally uses zeolite molecular sieve as adsorbent, the service life of zeolite molecular sieve is 1 to 2 years, and is particularly sensitive to moisture, the amount of water in the air will directly affect its service life.

The development of molecular sieve materials with long service life and high adaptability will certainly greatly promote the development and application of molecular sieve oxygen concentrators.

Thirdly,miniaturization. Compared with liquid oxygen centralized oxygen supply, the installation and footprint of molecular sieve oxygen concentrator has been greatly reduced.

Thirdly,miniaturization. Compared with liquid oxygen centralized oxygen supply, the installation and footprint of molecular sieve oxygen concentrator has been greatly reduced.

Compared with the traditional cylinder oxygen supply and liquid oxygen centralized oxygen supply, the molecular sieve oxygen technology is safe to use, easy to operate, low economic investment and high degree of automation.

Keywords:

Originally published 17 Mar 2023, updated 17 Mar 2023.