How to determine cavitation in an liquid oxygen pump
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How to determine cavitation in an liquid oxygen pump?
Cavitation phenomenon: The liquid oxygen pump vibrates, the pressure indicated by the pressure gauge at the pump’s outlet fluctuates significantly, and the current in the motor also varies greatly. Solution: Open the discharge valve of the liquid oxygen pump to release the gas; if that doesn’t work, stop the pump, drain the liquid, and then restart the pump.
The outlet pressure of the pump fluctuates violently, and its flow rate drops sharply. Severe cavitation can cause serious damage to the pump.
When cavitation occurs, the outlet flow rate of the liquid oxygen pump drops sharply, the outlet pressure and current experience significant fluctuations, and there is considerable vibration in the pipelines on site.
I’ve mentioned a lot already; to add, it’s important to look at the pressure difference, as this is a very crucial indicator
The main issue is that the pre-cooling process does not ensure that the fluid entering the pump is completely liquid; as a result, there is significant vibration, no pressure or pressure fluctuations, and the pump stops operating when cooled
There are significant fluctuations in flow rate, outlet pressure, and motor current; the pipes vibrate violently, or there is intense noise accompanying this. It causes significant damage to the pump.