Information on pressure vessels
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Posted On :
Jan-27-2011
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Article Word Count :
424
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Pressure vessels store substances under pressure higher than atmospheric conditions, and are found all over the world. They are used at home for hot water storage, in many different factories and plants, and in mining and oil refineries.
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Pressure vessels store substances under pressure higher than atmospheric conditions, and are found all over the world. They are used at home for hot water storage, in many different factories and plants, and in mining and oil refineries. They are designed to operate at pressures more than 15 pounds per square inch gauge, and are made of a variety of strong metals, plastic or fiberglass. They are usually cylindrical in shape and have a horizontal or vertical orientation. These pressure vessels are used for various industrial applications within the chemical, pharmaceutical, food and beverage, oil and fuel and plastics industries. There are many different types of pressure vessels. They are thin walled, thick walled, storage tanks and transportable containers. Transportable containers are the most common pressure vessel and they are ignored the most. They need testing of propane and gas every 10 years. High pressure vessels are the strongest and can handle the highest psi. They are always stainless steel vessels, which provide the best resistance to pressure, temperature and corrosion.
The substances contained in a pressure vessel, whether it is gas, liquid or a mixture of materials, determine the design components such as vessel material, size, volume, shape, and temperature and pressure level. When a substance is stored under pressure, the potential for rupture and leakage exists. Tiniest leak may cause severe explosion. Improper vessel design and maintenance increase the risk of pressure vessel failure, causing serious safety hazard. This risk increases when vessel contents are toxic, flammable or gaseous substances. All pressure vessels are measured in gallons, and range anywhere from 20 to several hundred thousand gallons. They are equipped with many different components, such as ladders or stairs, removable or detachable lids, sight glass for observation, heating and cooling systems and propellers or agitation systems for mixing applications.
Pressure vessel has a temperature range that exceeds 750°F and therefore the safety is of large importance. Vessels are created using one of the three processes-forging, welding and brazing, all of which involve heating pieces of metal and joining them together. Forging refers to the formation of metal parts through the application of heat and pressure. Welding involves melting two similar metals together by heating their edges until molten. Finally, during the brazing process, metals are joined by filling the space between them with a nonferrous metal. Testing of the pressure vessel make sure design technique success, proper vessel operation and certification approval. Regular inspection is necessary to ensure that the vessel continues to meet industrial standards and safety requirements.
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Article Source :
http://www.articleseen.com/Article_Information on pressure vessels_50216.aspx
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Author Resource :
Pressure vessels are vessels that hold contents at pressure levels greater than atmospheric pressure. Steam jacketed Pressure vessels are used to heat liquid to a moderate degree. The author has written many articles on Pressure vessel.
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Keywords :
Pressure vessel, Steel tanks, Engineering, Belt conveyors, Conveyor systems, Fence panels, Garden designs, Conveyor, Civil en,
Category :
Business
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Business
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