Can the load regulation of a reciprocating compressor be achieved by controlling the inlet valve?
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Can the load regulation of a reciprocating compressor be adjusted by controlling the inlet valve?
It’s not possible; low inlet flow can cause surge
No. It can only be adjusted through methods such as bypassing, load regulator adjustment, clearance adjustment, and stepless adjustment systems.
The original poster could also consider the opposite scenario: if adjustments can be made through imports and exports, then why would anyone pay such a high price for a continuously adjustable device like the Holzbiger? - -
The load is adjusted through a unloader, which in other words adjusts the opening degree of the intake valve
The unloader is not used to adjust the opening degree of the intake valve; instead, it uses instrument air to hold certain valves in the compressor in a closed position (there are other scenarios as well). During the reciprocating motion of the compressor, those valves do not perform any function, so I don’t think this can be considered as a way to adjust the opening degree of the intake valve
No, positive-displacement types will cause pressure buildup!