Liquid Ring Vacuum Pump is a type of rotary positive displacement pump which functions by means of a spinning rotor/impeller that forms a ring of liquid around its cylindrical casing. The ring fluid is usually water or oil. The liquid ring makes a seal around the impeller which makes the gases or vapors draw into the pump casing through suction. The liquid ring is continuously replenished by circulation. As the gas or vapor is drawn into the pump, it's forced towards the discharge port by the impeller. At this point, the centrifugal force of the liquid ring compresses the gas or vapor, elevating its pressure. Finally, the compressed gas or vapor is discharged from the pump via the discharge port, and directed to a collector or condenser. Working Principle of a liquid ring vacuum pump can be summarized by the following steps As the impeller rotates counterclockwise (as seen from the inlet port), the first blade passes the inlet port and a chamber is formed between the blade and th
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