Can the back pressure at the outlet of a centrifugal pump cause the pump to become clogged?

2016-07-04View Original

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Recently, our refining unit began to operate in water-cooled mode. The operation of the two towers is fine; however, when raw material is fed in and the raw material booster pump is started to circulate through the fractionation oil feed line, the pump sometimes runs out of pressure. Upon checking the inlet filter, it was found to be clean. We now suspect that this issue might be caused by too high a pressure control in the stripping tower, while the pressure control for the raw material tank isn’t active. Additionally, the diameter of the oil feed line is 150, while the feed diameter to the stripping tower is 250; there is thus a change in diameter at the pump outlet. We seek expert analysis on this matter

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Can the back pressure at the outlet of a centrifugal pump cause the pump to become clogged?

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