Liquid-Ring Vacuum Pump

A liquid ring vacuum pump is simple to operate and is utilized in several applications across various industries. A liquid band pump works with a sealant required in its procedure. This liquid can be water, essential oil or any other solvent which is rotated by an Liquid-Ring Vacuum Pump china impeller within the casing of the pump.

As the shaft turns, a liquid band is established by the centrifugal force generated by the rotating impeller. This power holds the liquid band against the inner wall structure of the pumping chamber. Because the impeller is located eccentric to the pumping chamber, the depth of entry of the blades into the liquid ring decreases and boosts as the impeller rotates. This creates increasing cellular volume on the inlet port side, creating vacuum.

On the discharge interface side, the impeller cell volume decreases as the blades move further into the liquid ring. This increases the pressure until discharge takes place through the discharge slot.

A continuous flow of clean sealing liquid is supplied to the pump via the sealing-liquid inlet.

Regarding the two-stage liquid band pump, the discharge from the 1st stage does not discharge to atmosphere. Rather, the first stage discharges through the manifold leading to the second stage along with through a discharge slot located in the intermediate plate between your first- and second-stage impellers.

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