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Regarding the number of air valves in the compressor

2017-07-10View Original

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The refined compressor features two-stage compression; the inlet stage has four valves, while the second stage has only two valves. Why not design it with four? Wouldn’t that be detrimental to the vibration balance of the compressor?
Reply #22017-07-10
Under the condition of secondary import, the volumetric flow rate decreases, and if the flow velocity remains equal to that in the primary stage, then the flow area of the valve must decrease as well; this will result in a reduced number of valves required.
Reply #32017-07-10
The volume decreases after compression, so fewer air valves are needed. Is this good for the vibration of the machine? For three-stage compression, the gas valves are symmetrically distributed
Reply #42017-07-10
The volume decreases after compression, so fewer air valves are needed. Is this good for the vibration of the machine? For three-stage compression, the gas valves are symmetrically distributed
Reply #52017-07-10
What is the relationship between dynamic balance and compressor valves?
Reply #62017-07-10
The volume decreases after compression, so the number of gas valves reduces, while the mass remains unchanged
Reply #72017-07-10
Regarding the arrangement of valves, the higher the stage, the smaller the cylinder, and there may not be enough space at the top to fit more valves
Reply #82017-07-11
Since the compression ratio is different, the inlet pressure must also be different, right?

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