Thursday, 27 June 2013

The Liquid Ring Pump A New Take On An Old Invention

By Rich Carter


When the liquid ring pump was first introduced to the market, many people had no idea how the device worked. The device was designed to be a simplistic way for individuals to draw vacuums that would expel gases. The devices were made to be an alternative to the gas pumps and compressors.

Understanding the way that the pumps are made, can help an individual identify if they want to utilize the device or not. The pumps are comprised of one element that moves along its interior chamber. The only moving element in these pumps is the impeller, which has various vanes that are attached to it.

The water covers the impeller parts that are inside of the pumps. As the impeller does its rotations, the liquid, which is water in most cases, will move along the casing, allowing any spaces that need to be sealed with the utilization of the device occur. Because the impeller is off-center, this allows the vacuum sensation that is created to draw gasses into the chambers and then force the gasses out through an outlet port.

Individuals that have had the opportunity to use these pumps in the variety of industries that they are used in appreciate the efficient design of the device. It allows for the compression of gases, while also inducing vacuums that perform different processes at the same time. The individual moving part is a big difference from the opposing pumps from the past.

The impeller, which is the only moving part of the device appears to be off-center, inside of the casing of the device. The off-center design was meant to be intentional. This allows the impeller vanes to pass to the side of the chamber, leaving an open area when the vanes are moving. Water fills up the open areas.

Because of the efficient and simple design of the liquid ring pump, a consistent stream of compressed gas that is non-pulsating with minimal moving parts is produced. Water is the primary sealant used in these devices. These devices are used for a variety of reasons, such as chemical reactions, suction devices for the medical field, and as evaporative coolers.




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