I would like to ask everyone: how is the volume of the expansion tank and oil storage tank in a heat transfer oil system determined?
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I checked the relevant specifications, but it’s still not clear. I would like to ask everyone how to determine its volume? :)
The volume of the high-level tank can be determined based on the amount of oil required by the furnace or according to the expansion rate; it depends on your operating temperature. If the expansion rate is around 10% at 280 degrees, then 10% of the amount needed for operation can be used as a guideline. In the event of an emergency shutdown, the amount of oil in the high-level tank should be sufficient to cool the furnace. As for the low-level tank, which is essentially an oil storage tank, its capacity should be enough to hold all the oil in the system, but generally, it doesn’t need to be that large.