Hydrogenation unit
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Dear sea friends, when will the accumulator at the outlet of the pump be put into use, and what are the precautions to take when doing so?
The accumulator at the pump outlet is put into use after the pump starts operating. Precautions for operation: 1. The accumulator bladder must be filled with nitrogen as specified ； ⒉All accumulator vent valves are closed ； ⒊It should be done slowly when starting to prevent the air bag from bursting.
The medium is water; it should be sufficient to fill it with air. A direct-contact type buffer will do, as air bags are not necessary
It seems that our unit doesn’t have this pump for injecting water~ We are operating a diesel hydrogenation plant; what is the main function of this equipment?
Returning to the issue of the fourth floor: its function is to buffer the pressure at the outlet of the water injection pump, thereby ensuring stable water injection pressure and flow rate. You’re right; many diesel hydrogenation units aren’t in use, as their designers or engineers came up with innovative solutions.
Generally, the feed water pumps in diesel hydrogenation units do not require accumulators. I wonder how these accumulators perform during use? Which manufacturer is it? What will be the consequences if it isn’t used?
Going back to floor 6: are reciprocating pumps used for the diesel hydrogenation feed water pump? Have you seen valves used to shut off the accumulator at the outlet of a reciprocating pump? This post was last edited by Zhongyuanren on 2009-3-25 20:56.]
Hey, the owners, you must be using plunger pumps in your systems; if centrifugal pumps are used, then there is no accumulator. In a hydraulic system, an accumulator is a device for storing hydraulic energy; one of its main functions is to store pressure energy for use in the system when needed ； The second is to absorb pressure shocks or reduce pressure pulsations in the oil circuit.
Are there centrifugal pumps without accumulators? / Well, screw pumps do have them, right?