High-concentration oxygen generating plant with molecular sieves

Abstract

The invention relates to a high-concentration oxygen generating plant, in particular to a high-concentration medical oxygen generating plant with molecular sieves, comprising a dehydrating device, an oxygen adsorbing device and a carbon adsorbing device which are sequentially serially connected. The oxygen adsorbing device comprises two carbon molecular sieve adsorption columns connected in parallel, a gas tank and a vacuum pump, and the carbon adsorbing device comprises two oxygen molecular sieve adsorption columns connected in parallel, a gas tank and a vacuum pump. The high-concentration medical oxygen generating plant with the molecular sieve adsorption columns adopts the heatless automatic regeneration molecular sieve technology to remove water and harmful gases, such as carbon dioxide, sulfur dioxide and the like, in air. Nitrogen and argon are removed by means of preferentially adsorbing oxygen by the aid of carbon molecular sieves, residual nitrogen is removed by oxygen molecular sieves, and accordingly concentration of the oxygen can reach 99.99% at least. Product oxygen is not used as regeneration gas for realizing vacuum pressure swing adsorption, accordingly, oxygen recycling rate is improved, the service life of the high-concentration oxygen generating plant is prolonged, and the high-concentration oxygen generating plant can be widely used for fields such as industry, hospitals, national defense construction and the like.

Description

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AI Technical Summary

Benefits of technology

This patented device uses an improved method for producing pure oxygen by removing unwanted substances like moisture or hydrocarbons from atmospheric air through specialized pores called zeolite crystal (Z). By doing this, the production process becomes safer without relying on expensive purification methods like distillers' dialysis machines.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the efficiency of producing high-purity gas from atmospheric sources such as helium (He) or hydrocarbons that contain nitrox gases like methane (CH4). Nitrooxy compounds are harmful substances which can cause damage when absorbed into living organisms through their effects on human health. To address these concerns, researchers have developed various methods called molecular sieves with specific properties designed specifically towards removing nitrous oxide while also concentrating it efficiently without causing other unwanted side reactions during its manufacturing process.

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