Loud noise behind the flow-limiting orifice plate in the pump’s minimum circulation line
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A flow-limiting orifice plate is installed on the minimum return line of the pump at the production site, but there is very loud noise behind it, at 90 decibels. It is likely that the flow control orifice plate is designed to be too small, resulting in a high pressure drop as the fluid passes through it and thus causing cavitation. There are suggestions online regarding the use of multiple stages for flow control, but I am not aware of the specific calculation methods. Or there may be other solutions; I would be very grateful if fellow users could share their insights.
This type of high-pressure system basically uses multi-stage orifice plates, and the design must be carried out by the manufacturer or a design institute.
The gas pressure is reduced to 55% of the original value for each unit, while the liquid pressure is reduced by 2.5 MPa per unit. Haven’t you reduced it too much?
Contact the manufacturer directly to resolve the issue – could it be that the design conditions do not match the actual operating conditions?