How is the flow rate of a centrifugal pump adjusted?
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This post was last edited by you*n*nyou on 2011-9-23 21:08. How is the flow rate of a centrifugal pump adjusted? Please specify
Outlet valve, inlet valve, return valve. . . .
There are adjustments for export control, cooling control, and impeller replacement; some people say that backflow adjustment is not something I advocate
Reply 1# *ao-mi Centrifugal pumps are divided into liquid pumps and gas pumps. The liquid pump is regulated by an outlet valve, with speed control available ； Gas pumps commonly use an after-cooler for air conditioning. There are also inhalation, extrusion, speed adjustment, etc.
It can be achieved by using an inverter for control, right?
Export regulation, speed regulation; there might also be frequency conversion regulation. I’ve never seen a gas pump before; I’m still learning about it
Centrifugal pumps generally don’t regulate flow by adjusting the inlet valve, right? Will this cause the pump to become evacuated?
Add a frequency converter. Using an inverter to adjust the speed is more energy-efficient, and it also allows for the regulation of flow rate
The flow regulation of liquid centrifugal pumps generally involves adjusting the pressure after the pump, that is, by modifying the valve located after the pump (such as in the case of water pumps). For low-temperature liquid pumps, flow regulation can also be achieved using a return valve, in addition to the valve after the pump. Centrifugal pumps equipped with frequency converters (such as crude argon pumps) can have their flow rate adjusted by using valves after the pump to regulate pressure, or by using the frequency converter to adjust the speed.