The application of PSA nitrogen generator and air separation equipment in metallurgy and steel industry, it mainly supplies industrial gases for the smelting process. Jiangsu Jiayu's CMS pressure swing adsorption nitrogen generator has excellent quality and stable performance, and it is favored by the market.
Oxygen, nitrogen, and argon are indispensable industrial gases for steel companies, for example, large iron and steel enterprises in China all have large-scale air separation facilities, these air separation plants continue to provide gas for the continuous production of steel companies, oxygen, nitrogen, and argon are used during the steelmaking process. Metallurgical iron and steel industry-specific nitrogen generators are suitable for heat treatment, bright annealing, protection heating, powder metallurgy, copper aluminum processing, magnetic material sintering, precious metal processing, bearing production and other fields. PSA nitrogen generator has high purity, continuous production, part of the process requires nitrogen containing a certain amount of hydrogen to increase brightness and so on.
The process of making steel also uses argon: if argon is blown into molten steel, the composition is uniform, the molten steel is purified, and impurities such as hydrogen, oxygen, and nitrogen dissolved in the molten steel are removed, improve billet quality, blowing argon can also eliminate the reduction period, shorten the smelting time, increase production, save energy and so on.
Argon blowing and protection are important ways to improve steel quality, China has already adopted many steel companies, it takes 1~3m3 argon to produce one ton of steel. According to reports, the combined oxygen consumption of ironmaking, steelmaking and steel rolling has reached 100~140m3/t, nitrogen consumption is 80~120m3/t, and argon consumption is 3~4m3/t. At present, the large-scale air separation plants used by iron and steel enterprises mainly use the external compression process and the internal compression process of molecular sieves at room temperature, pressurized expansion, packed towers, and full rectification argon, at the same time consider the extraction of part of the liquid as a production peaking.
Nitrogen in iron and steel works is mainly used as a protective gas, such as rolling, zinc, chrome, heat treatment (particularly thin steel) so continuous casting use nitrogen as protective gas, and the nitrogen purity of 99.99%.
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