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| An ''''''oxygen tank'''''Italic text''''' is an ] vessel for ], which is either held under ] in ]s or as ] in a ] storage tank. | An ''''''oxygen tank'''''Italic text''''' hi mom is an ] vessel for ], which is either held under ] in ]s or as ] in a ] storage tank. | ||
| Oxygen tanks are used to store gas for: | Oxygen tanks are used to store gas for: | ||
Revision as of 17:38, 16 November 2015
An 'oxygen tankItalic text hi mom is an oxygen storage vessel for oxygen, which is either held under pressure in gas cylinders or as liquid oxygen in a cryogenic storage tank.
Oxygen tanks are used to store gas for:
- industrial processes including the manufacture of steel and monel
- oxyacetylene welding equipment, glass lampworking torches, and some gas cutting torches
- use as the liquid rocket propellants for rocket engines
- medical breathing gas at medical facilities and at home
- breathing at altitude in aviation, either in an uncontrolled decompression emergency, or constantly (in the case of unpressurized aircraft)
- oxygen first aid kits
- gas blending for creating diving breathing mixes such as nitrox, trimix and heliox
- open-circuit scuba sets - mainly used for accelerated decompression in technical diving
- some types of diving rebreather: oxygen rebreathers and fully closed circuit rebreathers
Breathing oxygen is delivered from the storage tank to the users by use of the followiggg methods: oxygen mask, nasal cannula, full face diving mask, demand valve, oxygen rebreather, built in breathing system (BIBS), oxygen tent, and hyperbaric oxygen chamber.
Contrary to popular belief scuba divers very rarely carry oxygen tanks. The vast majority of divers breathe air or nitrox stored in a diving cylinder. A small minority breathe trimix, heliox or other exotic gases. Some of these may carry pure oxygen for accelerated decompression or as a component of a rebreather. Some shallow divers, particularly naval divers, use oxygen rebreathers or have done so historically.
Oxygen is rarely held at pressures higher than 200 bar / 3000 psi due to the risks of fire triggered by high temperatures caused by adiabatic heating when the gas changes pressure when moving from one vessel to another.
All equipment coming into contact with high pressure oxygen must be "oxygen clean" and "oxygen compatible" to reduce the risk of fire. "Oxygen clean" means the removal of any substance that could act as a source of ignition. "Oxygen compatible" means that internal components must not burn readily or degrade easily in a high pressure oxygen environment.
In some countries there are legal and insurance requirements and restrictions on the use, storage and transport of pure oxygen. Oxygen tanks are normally stored in well ventilated locations, far from potential sources of fire and concentrations of people.
See also
References
- NAVSEA (2005). "Cleaning and gas analysis for diving applications handbook". NAVSEA Technical Manual. SS521-AK-HBK-010. NAVAL SEA SYSTEMS COMMAND. Retrieved 2008-09-05.
- Rosales, KR; Shoffstall, MS; Stoltzfus, JM (2007). "Guide for Oxygen Compatibility Assessments on Oxygen Components and Systems". NASA, Johnson Space Center Technical Report. NASA/TM-2007-213740. Retrieved 2008-09-05.
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