oxygen

Oxygen is one of the earliest industrial gases, which has been widely used in various fields of national economic and social development. It is mainly used in metal welding, cutting and various combustion devices as well as oxidation gas in some technological processes. Metallurgical industry including iron and steel smelting, non-ferrous metal smelting process are a large number of oxygen, its obvious role is to strengthen the smelting process, to achieve production and energy saving. The application of oxygen to metal welding and cutting in mechanical industry can greatly improve the working efficiency. Chemical industry use oxygen manufacturing medicine, dyes, explosives and other chemical products, in addition to also used to strengthen production, such as the use of oxygen blowing method production of yellow phosphorus, oxygen spray inferior coal and so on. The application of oxygen in the electronic industry is not only used as combustion gas, but also as an oxidizing gas for the manufacture of semiconductor integrated circuits. It is one of the indispensable high purity gases in the industry. High purity oxygen is also an important gas raw material for the manufacture of optical fiber. Oxygen is used in many ways for national defense, the largest use of which is in rockets. In addition, oxygen can be used as oxidant to generate magnetic fluid power. Using oxygen to purify sewage, using oxygen to carry on deep well operation in mining industry; Use of oxygen for deep-sea fishing, diving operations; Use oxygen to rescue patients with asphyxia, dying patients; The use of oxygen health care, such as highland mountaineers, geological personnel, frontier patrol soldiers and other special groups to use and general people bubble oxygen bar.

The structure of oxygen

nitrogen

Nitrogen, an inert gas, is the most abundant in air, accounting for about 78%. With the development of science and technology, nitrogen is increasingly widely used in all walks of life of national economy. Nitrogen is mainly used as protective gas, purging gas, carrier gas, drying gas, etc. Nitrogen is used as a protective gas in the process of metal heat treatment. The purpose is to improve the quality and finish of metal materials and parts. In the electronics industry, high purity nitrogen is an indispensable protective gas and carrier gas for semiconductor integrated circuit production process. Nitrogen is used as protective gas and carrier gas in the petrochemical industry to ensure the smooth and safe operation of petrochemical production. Nitrogen is also the main feedstock gas for ammonia production. In the production of float glass in building materials industry, nitrogen is used as the main protective gas in tin tank to realize float production process and improve the quality of glass. In the energy industry, nitrogen is used to strengthen mining and fire fighting in coal mines. Food industry application nitrogen as food packaging filling gas, fruit and vegetable nitrogen filling dry, fresh storage, juice, oil nitrogen filling oxygen, etc. Liquid nitrogen is used as a refrigerant and as a cryogenic source in medical applications. Nitrogen can also be used in rockets, space simulation, atomic reactors, gas lasers and other high-tech fields.