5254 aluminum tube API 650 mechanically-anchored steel tanks
The advantages of API 650 floating roof tanks have obvious environmental and economic benefits: in a specific climate environment, according to historical data, the economic value of the API 650 mechanically-anchored steel tanks floating roof tanks in API 650 due to the reduction of oil and gas volatilization within 3-6 months is equivalent The installation and purchase cost of the API 650 mechanically-anchored steel tanks inner floating roof means that the cost of the inner floating roof can be recovered within half a year.
Anti corrosion of API 650 mechanically-anchored steel tanks:After using for a certain period of time, it is necessary to check the corrosion protection of the API 650 mechanically-anchored steel tanks. If necessary, the outer wall of the metal oil tank should be painted with new anti-corrosion paint to ensure that the outer wall of the API 650 mechanically-anchored steel tanks does not fall off and has good waterproof and rust resistance.API 650 mechanically-anchored steel tanks cleaning:The long-term use of API 650 mechanically-anchored steel tanks will produce impurities on the tank wall and deposit on the tank bottom, resulting in tank corrosion to leakage. According to the safety standard of oil tank, the API 650 mechanically-anchored steel tanks shall be cleaned and derusted regularly to ensure the quality of oil stored and the safety of oil tank equipment.
In this project, a cylindrical tank 62 ft 6 in. in diameter is designed for an internal pressure of 4 lbf/in.2 gauge in the vapor space. The plate material is ASTM A131 steel with appropriate grades for different plate thicknesses in accordance with Table 4-1 for a design metal temperature less than 65°F but not less than 25°F. No corrosion allowance is required for any portion of the tank. The top course of the butt-welded cylindrical sidewall is 1/4 in. thick. The roof is a single lap-welded spherical dome with an internal radius of 50 ft and a thickness of 1/4 in. The maximum design liquid level is 6 in. below the plane of the juncture of the tank API 650 mechanically-anchored steel tanks roof and sidewall.
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