Hydrogen feed pump
Thread Content
There is a safety valve at the inlet of the hydrogen feed pump of this unit – what is its purpose? Under what circumstances will it jump?
The specific details are unclear; we don’t know what type of pump it is. In our systems, when pressure builds up at the outlet, the safety valve activates to protect the pump.
Prevent backflow from the outlet to the inlet, and protect the pump’s inlet pipeline
Personally, I think it is designed to prevent unexpected pump shutdowns and to protect the inlet side in case the outlet check valve fails, thereby avoiding backpressure; however, a regular check valve is usually sufficient, so it doesn’t seem all that necessary
The design pressure of the outlet pipeline is relatively high; it is intended to prevent high-pressure fluid from remaining in the inlet pipeline due to improper closure of the outlet check valve, thereby avoiding damage to low-pressure equipment.
Generally, the outlet pressure of the reaction feed pump is higher while the inlet pressure is lower, to prevent cross-contamination
I’ve really never seen a pump inlet with a safety valve; we use a check valve on the outlet side. Could you send some pictures for reference?
I’ve never encountered a situation where a safety valve is installed on the inlet pipeline; safety valves are used on the outlet pipelines of reciprocating pumps. Check valves are also installed at the pump outlets to prevent backflow!
The situation mentioned by the poster likely refers to the safety valve for buffering the crude oil; it’s possible that the workers found it troublesome or simply forgot to connect it to the pump inlet
The situation mentioned by the poster likely refers to the safety valve for buffering the crude oil; it’s possible that the workers found it troublesome or simply forgot to connect it to the pump inlet