Natural gas storage tank processing bottom-to-shell joint

Natural gas storage tank processing bottom-to-shell joint

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Soil Structure Interaction: Soil structure interaction per API 650, Section E.6.1.6 may be used for OLE design providing the damping ratio does not exceed 10 %.
Allowable Stresses
Design allowable stresses shall be per API 620 large welded steel storage tank, Section Q.3.3, including the 33 % increase permitted for earthquake loads.
Self-anchored Inner Tank
The anchorage ratio for a self-anchored inner tank, J, shall not exceed 1.0 for the OLE design combination to limit uplift and stresses in the annular plate and corner weld.
Foundation Stability
The overturning ratio defined in API 650, Section E.6.2.3, Equation (E.6.2.3-1) shall be equal to or greater than 3.0 for the defined OLE event.

The Natural gas storage tank processing must go through strict inspection before putting into use. Inspection of plate groove of Natural gas storage tank processing, vertical oil tank: After finishing the groove processing of oil tank plate, it is necessary to conduct dye penetrant inspection on the groove. This process is mainly aimed at the hard damage of groove in the machining process and the defects of the plate itself. If any defect is found, it shall be processed again until the defect disappears.

Our Natural gas storage tank processing structure steel plates are used in nuclear power plants, food processing and in boiler and heat exchanger applications as well. We have a partner laboratory that enables us to supply all products having conducted the counter testing requested by our clients. Please contact us for the pricing and more product information.

API 620 welded storage tanks design

API 650 oil steel storage tanks construction

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