The pump between the two vacuum systems is not feeding material
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I have an intermediate tank in two vacuum systems; the liquid from the first vacuum system flows into this tank to be used by the next vacuum system. The pump in this tank does not feed material when it is operating continuously. I would like to know what methods exist to enable the two vacuum systems to operate continuously in order to increase the processing capacity
If the two systems use the same pumps, I think it will be impossible to feed material continuously, as after some time of operation, the vacuum levels of the two pumps reach equilibrium, resulting in no pressure difference and thus no material can be fed in. In my opinion, it’s better to use a pump with a higher vacuum level for the pump in the intermediate tank.
The pump was selected incorrectly; it is necessary to use the Bernoulli equation along with the pump’s head and suction vacuum to carry out the calculation or make the proper selection.
Such a series design has no advantages, and the performance of the secondary vacuum pump will not be good, as a large number of bubbles in the primary liquid are absorbed by the secondary pump, affecting the level of vacuum achieved by it； It is recommended to use partitions and enlarge the water tank to prevent bubbles from entering the inlet of the secondary pump
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