Differences between liquid ring vacuum pumps and liquid ring compressors
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What are the differences between liquid ring vacuum pumps and liquid ring compressors in terms of structure, principle, and function? What are the main parameters to pay attention to when placing a purchase request? Please advise
In all cases, the impeller is installed eccentrically, which causes changes in volume during rotation; suction occurs as the volume increases from small to large, while exhaust takes place as the volume decreases from large to small.
The principle should be the same; it’s just the direction of action that differs.
It’s basically the same; both are used to compress gas
In terms of their overall structure, liquid ring compressors and liquid ring vacuum pumps are the same； However, in terms of their internal structure, vacuum pumps and compressors differ during design and manufacturing; for example, the end-face clearance of the rotor and the radial clearance between the rotor and the chamber are different during these stages of design and production ； For compressors, a pressure automatic adjustment device is installed at the outlet to prevent overpressure and underpressure in the working chamber.
The principle is the same: the inlet of a liquid ring vacuum pump is under vacuum, while the exhaust side is at normal pressure; the inlet of a liquid ring compressor is near normal pressure, and the outlet has a discharge pressure. Compressors have higher requirements regarding the material of the equipment and shaft seals, etc