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Liquid-Ring Vacuum Pump

A liquid band vacuum pump is simple to operate and is used in a number of applications across various industries. A liquid band pump works with a sealant necessary in its operation. This liquid could be water, essential oil or any additional solvent which is rotated by an impeller within the casing of the pump.

As the shaft turns, a liquid ring is established by the centrifugal force generated by the rotating impeller. This pressure holds the liquid band against the inner wall of the pumping chamber. Because the impeller is situated eccentric to the pumping chamber, the depth of access of the blades in to the liquid ring reduces and increases as the impeller rotates. This creates increasing cellular quantity on the inlet interface side, creating vacuum.

On the discharge port side, the impeller cell volume decreases as the blades move further in to the liquid ring. This escalates the pressure until discharge takes place through the discharge slot.

A continuing flow of clean sealing liquid comes to the pump via the sealing-liquid inlet.

In the case of the two-stage liquid ring pump, the discharge from the 1st stage does not discharge to atmosphere. Instead, the liquid ring vacuum pump201909161517446461059first stage discharges through the manifold Liquid-Ring Vacuum Pump china leading to the second stage as well as through a discharge interface located in the intermediate plate between your first- and second-stage impellers.

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