Oxygen Plants Manufacturers
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The process adopted to produce Oxygen and Nitrogen is called Liquification and fractional distillation of air inside the Air separation Unit. Air is expanded and liquefied in this process by expansion and cooling in an Expansion Engine and Expansion valves in medium pressure.(40 kgs/cm2 to 50 kgs/cm2.). The expanded and cooled air from expansion engine and expansion valves will enter the lower part of the distillation column . The air as mostly in Liquid state. The Oxygen and Nitrogen have different boiling points. Since Nitrogen is more volatile is drawn out of the distillation column in Vapour form and Oxygen is less volatile will be collected in condenser. The liquid Oxygen pumped at 150kgs/cm2 and filled in cylinders.
Source File wikipedia: Oxygen finds broad application in various technological processes and in almost all industry branches. The primary oxygen application is associated with its capability of sustaining burning process, and the powerful oxidant properties. Due to that, oxygen has become widely used in the metal processing, welding, cutting and brazing processes. In the chemical and petrochemical industries, as well as in the oil and gas sector oxygen is used in commercial volumes as an oxidizer in chemical reactions.
The use of oxygen in gas-flame operations, such as metal welding, cutting and brazing is one of the most significant and common applications of this gas. Oxygen allows generating high-temperature flame in welding torches thus ensuring high quality and speed of work performance. Oxygen is heavily used in the metal industry where it helps to increase burning temperature by the production of ferrous and non-ferrous metals and significantly improve the overall process efficiency. Another important oxygen application in the metal industry is connected with its use for carbon fixation with the yield of carbon dioxide. In the chemical and petrochemical industries, oxygen is widely used for oxidation of raw chemicals for recovery of nitric acid, ethylene oxide, propylene oxide, vinyl chloride and other important chemical compounds. |