API standard 650 flat-bottom tanks full-face gasket
API standard 650 flat-bottom tanks Pressure-relieving DevicesTanks shall be protected by automatic pressure-relieving devices that will prevent the pressure at the top of the tank from rising more than 10% above the maximum positive gauge pressure except as provided in API 620 standard 9.2.2.Where an additional hazard can be created by the exposure of the tank to accidental fire or another unexpected source of heat external to the tank, supplemental pressure-relieving devices shall be installed. These devices shall be capable of preventing the pressure from rising more than 20% above the maximum positive gauge pressure. A single pressure-relieving valve may be used if it satisfies the requirements of this paragraph and 9.2.1.
The characteristics of the API standard 650 flat-bottom tanks internal floating roof structure of API 650 petroleum storage tanks: the inner floating roof or inner floating plate refers to the floating roof that floats on the liquid surface of the oil tank with the oil and liquid up and down. The API standard 650 flat-bottom tanks inner floating roof is used to cover the liquid. The surface is currently recognized as the most ideal and most economical and practical way to reduce oil evaporation loss.
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}Usually, the wind load in the API standard 650 flat-bottom tanks construction area should be considered before the tank design and construction. The wind load in the API standard 650 flat-bottom tanks construction area has an impact on the stability and economy of the API standard 650 flat-bottom tanks. In the area with large wind load, it is safe to design the tank as "squat". When calculating the wind force, the influence of the thickness of the insulation layer of the API standard 650 flat-bottom tanks, the shape of the ladder, the platform, the pipeline and the top cover must be considered.
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