Impeller cavitation
Thread Content
The impeller of the circulating water pump (vertical pipeline pump) suffers from severe cavitation. The operator often uses the inlet valve to regulate the flow rate, and it can be seen that the impeller has almost been completely eroded. The traffic definitely won’t increase. The front cover of the impeller has been penetrated; the blades have also been damaged. Another blade, as well as the back cover of the impeller, have been penetrated – chemical equipment and machinery involved
The process requirements were met, but the equipment suffered: L
Using the inlet valve to regulate flow is wrong in itself: L
A centrifugal pump cannot have its flow rate adjusted using an inlet valve – how can one not know such a basic fact?
The opening degree of the inlet valve is too small, resulting in cavitation due to evacuation； Import and export plus additional lines are used to regulate flow: lol
……I didn’t expect your equipment to be suffering the same issues as my current equipment……
Hehe, learned something new! Thank you for sharing :) I remember that for centrifugal pumps, the outlet is used to regulate the flow rate, right? ? ? How could this happen?:L
Why is an inlet valve used to control flow? ? There’s something wrong with this operation.
Adjust the flow rate using the inlet valve? Why do this?
It’s probably a problem with the quality of the circulating water
This is the current situation in many chemical plants, resulting from inadequate basic training for operators and maintenance staff.