Atmospheric storage tanks refer to storage tanks with gas or vapor pressure greater than -0.02MPa but less than 0.1MPa. Metal atmospheric storage tanks made of steel welded on the ground are often used to store petroleum, chemical and other similar liquids. Atmospheric storage tanks usually have a connection pipe directly connected to the atmosphere, and the operating pressure in the storage tank is always maintained not to exceed the design pressure.
Metal atmospheric storage tank inspection includes annual inspection and comprehensive inspection. During the annual inspection, the inspection during the operation to ensure the safety of the atmospheric storage tank body during the overhaul period shall be performed at least once a year. Comprehensive inspection is a more comprehensive inspection of atmospheric storage tanks according to a certain inspection cycle. The inspection content of metal atmospheric storage tank includes the safety management of the storage tank, the inspection of the storage tank and its operating condition, etc.
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