A liquid ring vacuum pump is easy to operate and is utilized in several applications across various industries. A liquid ring pump works with a sealant required in its operation. This liquid can be water, essential oil or any various other solvent which is certainly rotated by an impeller within the casing of the pump.

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

On the discharge port 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 interface.

A continuing flow of new sealing liquid is supplied to the pump via the sealing-liquid inlet.

Liquid-Ring Vacuum Pump china Regarding the two-stage liquid ring pump, the discharge from the 1st stage does not discharge to atmosphere. Rather, the first stage discharges through the manifold resulting in the second stage as well as through a discharge port located in the intermediate plate between the first- and second-stage impellers.