If you are looking into getting liquid ring compressors, you will soon discover that there are two different types. This article will discuss what those types are, and in which circumstances you might choose one over the other.
What is a liquid ring compressor?
This type of compressor is similar to a rotatory vane compressor with the main difference being that its vanes are part of the rotor which churn a ring of liquid that forms the seal around the compression chamber.
Single acting liquid ring compressor
In this type of compressor, the impeller is installed eccentrically within the compressor shell. Inside that shell, there is a disc-shaped gas divider which transfers gas through the compressor. Each time the impeller rotates, there is one gas injection and compression.
Double acting liquid ring compressor
In this type of compressor, there are two sets of channels for suction and exhaust. The impeller operates around the gas distributor. The shell of this compressor is designed for a double eccentric structure and, therefore, when the impeller of this compressor rotates, there are two injections and compressions.
Single acting vs. Double acting liquid ring compressors
Because of its ability to compress larger amounts of gas, the double acting liquid ring compressor has a stronger suction capacity that the single acting version of this compressor. When both types are used under similar conditions, you will find that there is less efficiency decline in the double acting liquid ring compressor than there is in the single acting liquid ring compressor. This is the case because the double acting liquid ring compressor is less sensitive to water vapour, thus improving its pumping capacity.
The double acting liquid ring compressor also uses less power at the same volume than its single acting counterpart.
There are several benefits to using both types of liquid ring compressors. Among their desirable features are:
- Steady gas flow and only very small pressure fluctuations.
- Low levels of noise.
- They are compact, lightweight, and have a small footprint.
- Their full and part load capacity is better than many other types of compressors.
Factors for determining how to choose the right type of liquid ring compressor
When choosing a liquid ring compressor, some of the factors that should be taken into consideration include size of plant or facility, volume of gas that needs compression, and energy requirements. When selecting a liquid ring compressor, it is also important to work with a reputable compressor provider such as Premier Fluid Systems ( PFS pumps ) who can help to determine the size and type of liquid ring compressor most suitable to your operation. Premier Fluid Systems ( PFS pumps ) can also handle installation, maintenance, and training.
Contact PFS Pumps today.
If you are looking for a liquid ring compressor for your facility, we can help. Contact us today so we can get started on an assessment of your needs.