Liquid ring vacuum pumps have multiple use across wide range of manufacturing industries

 

Liquid Ring Vaccum Pumps

A liquid ring vacuum pumps is an energy-efficient rotating positive displacement pump found in many industries, including paper and polymers businesses, diesel/diesel engines, medical equipment, petroleum refineries, textile mills, aerospace, and semiconductor processes. A liquid ring vacuum pump has a series of copper tubes filled with liquid ring material. When the ring is rotated by an electrical current, it pumps the liquid from one tube to another. This liquid is very similar to a vacuum cleaner as it only pumps the waste materials away from the pump itself.

There are two types of liquid ring vacuum pumps: direct and indirect flow. A direct flow pump works by compressing a gas in a ring that is then fed into a compression stage. The ring's walls are made of a ring of metal containing holes that are punctured when the vacuum pump's impeller is turned by the moving fluid. This puncturing and expansion create a large amount of gas pressure behind the ring, which forces the air into the compression stage. As the gas expands, it pulls up on the piston and expands the opening of the casing, creating suction and ultimately the gush of escaping gas.

Indirect flow liquid ring vacuum pumps work in much the same way, except that the gas is not pumped into a compression stage at all. Instead, the gush of escaping gas passes through a second ring, which is designed to create a seal. A seal is also necessary because the gas's pressure will decrease as it enters the compression process. Once the sealed ring is filled with the rush of escaping gas, the second ring is turned, forcing the gush into the compression process. These vacuum pump devices are used for various manufacturing processes.


Location: India

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