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If the inlet flow rate of the rich gas compressor increases while its speed remains unchanged, how does the outlet pressure change?

2017-05-28View Original

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If the inlet flow rate of the rich gas compressor increases while its speed remains unchanged, how does the outlet pressure change?
Reply #22017-05-28
The outlet pressure will increase appropriately. However, the magnitude of the change is not as large as that at the entrance.
Reply #32017-05-29
It depends on whether it is reciprocating or centrifugal; I don’t think there will be a significant change in pressure, but the machine’s power consumption will be lower
Reply #42017-05-29
Centrifugal compressor, driven by a steam turbine
Reply #52017-05-29
Both the outlet and inlet pressures rise; due to the increase in gas density, the head remains unchanged, with the increase in outlet pressure being greater than that in the inlet
Reply #62017-05-30
Isn’t the square of the rotational speed proportional to the outlet pressure?
Reply #72017-05-30
What is the maximum outlet pressure of a rich gas compressor?
Reply #82017-05-30
One can’t be dogmatic; as the inlet pressure rises and the rotational speed remains unchanged, the outlet pressure should increase as well. However, since the entire process has not been seen, the outlet pressure also requires consideration of what level of reserve pressure should be maintained
Reply #92017-05-30
This issue needs to be viewed differently: when the inlet flow increases, the outlet pressure will rise if there are no adverse effects from backflow. However, when the outlet pressure is connected to a control system such as a stable system that maintains a constant value, the outlet pressure will not change. Because the system connected to the outlet has automatic pressure control, which automatically absorbs and eliminates pressure fluctuations.

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