Two Stage Liquid Ring Vacuum Pump
Two Stage Liquid Ring Vacuum Pump
A two-stage liquid ring vacuum pump is a type of vacuum pump that uses two stages of compression to achieve deeper vacuum levels compared to single-stage pumps. It’s commonly used in applications where high vacuum and the ability to handle condensable vapors and liquids are needed.
Here’s a more detailed explanation:
- Working Principle:Similar to a single-stage pump, it uses a rotating impeller inside a casing filled with a sealing liquid (usually water). The liquid forms a “ring” against the casing by centrifugal force, creating a series of compression chambers with the impeller blades.
- Two Stages:In a two-stage pump, the gas is compressed in the first stage and then further compressed in the second stage before being discharged. This two-stage compression allows for a deeper vacuum to be achieved.
- Applications:Two-stage liquid ring vacuum pumps are well-suited for various industrial applications, including:
- Chemical processing
- Petrochemical industry
- Power generation
- Wastewater treatment
- Dehydration and filtration
- Evaporation and drying
- Sterilization
- Chemical processing
- Advantages:
- Higher capacity at high vacuum
- Lower water consumption at low pressure compared to single-stage pumps
- Can handle condensable vapors and liquids
- Can be used in harsh conditions
- Higher capacity at high vacuum
- Example:The NASH TC series is a two-stage liquid ring vacuum pump designed for condenser exhaust duty, capable of reaching vacuum levels down to 0.8 inHgA (28 mbar abs).
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Two Stage Liquid Ring Vacuum Pump
