Storage tank design
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What are the typical design heights for the heating coils and extraction ports of storage tanks in tank farms? Is it true that the lower the heating coil, the better?
Does \"withdrawal port\" refer to the part of the pump inlet line inside the tank? If so, there is usually a bottom plate in the tank about twenty to thirty centimeters below the pipeline. For the heating coil, the inlet is generally about fifty centimeters below the tank bottom plate, while the outlet is slightly lower than the inlet; the coil slopes from the inlet to the outlet inside the tank.
Usually, the inlet and outlet are at the same level, ensuring a water cushion above the bottom of the tank; the steam is slightly above the inlet of the tank. The inlet and outlet can be at the same level as those of the pipes
It’s not the case that the lower the heating coil, the better; it is also necessary to consider whether the heat at the bottom of the heating coil can be carried away by the medium being heated.