Accident liquid retention tank in the tank farm
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When constructing floating roof and internal floating roof storage tanks, if the volume within the fire dike is not sufficient, is an accident liquid storage tank built? Sit inside the fire dike or outside it?
If the volume within the fire dike is insufficient, an accident liquid storage tank must be installed. Since the volume of the fire dike can no longer meet the requirements, it is naturally necessary to construct it outside the fire dike
I haven’t actually encountered such a situation before – how can one tank accommodate the accident liquid from multiple tank groups?
If it is for storing oil products, the «Code for Design of Oil Depots» specifies specific requirements regarding the volume of accident storage tanks based on the grade of the oil depot.
Aren’t they all outside? Are there any in the tank area as well? Is it still safe in there?
According to the latest \"Design Code for Oil Storage Tanks,\" all oil storage tanks must be equipped with emergency containment ponds, and the size of these ponds varies depending on the grade of the oil storage tank