Is there such a device?
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Is it possible for low-pressure water, at around 0.05 MPa, to flow into the container on its own? We can fill the container with nitrogen to maintain a pressure of 0.2 MPa, and then allow the water to be discharged from the container. Is that feasible? The key is to prevent low-pressure water from entering the high-pressure container. If it’s solved, won’t that mean saving one pump?
The landlord needs to consider the water inlet pressure. If the inlet water pressure is high, a sealed buffer tank will suffice.
It is possible to use a jet pump: nitrogen enters the nozzle, creating a siphon effect that draws in low-pressure water. The problem is that nitrogen must continuously flow in and out, which is likely not cost-effective, and it is also necessary to control the pressure in the storage tank properly.
A series of valve operations are required to complete it, right?
The container pressure is variable. Turn off the water outlet, turn off the nitrogen supply, and open the vent. First, allow water to enter at atmospheric pressure; once the water inflow is complete, turn off the water supply and turn on the nitrogen supply to increase pressure and convey the water
If low-pressure water can maintain a pressure of 0.05 at a height of 20 meters, it can be directly fed into the tank, provided that the feed inlet is located below the liquid level in the tank.
Can’t it be controlled using a self-regulating valve with interlocking?
Intermittent water supply with nitrogen pressure – this is the simplest method, and I believe that’s what the original poster is looking for. Should we discuss how to control and regulate it?
This is the simplest way to do it, but I think what the original poster needs isn’t this answer.
The inlet water pressure is very low. The water from the water pocket in our diesel hydrogenation reflux tank flows into the water tank, and then it is pumped out of the area. How can we eliminate the need for this pump?
If the inlet water pressure is low, a pump is essential.