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Water ring vacuum pump

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Water ring vacuum pump

Water ring vacuum pump is a kind of rough vacuum pump. It is equipped with an eccentric rotor with fixed blades, which throws water (liquid) to the stator wall. Water (liquid) forms a liquid ring concentric with the stator. The liquid ring and the rotor blades together form a variable volume ...

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Water ring vacuum pump product overview

Water ring vacuum pump product introduction

Water ring vacuum pump is a kind of rough vacuum pump. It is equipped with an eccentric rotor with fixed blades. It throws water (liquid) to the stator wall. A rotary variable volume vacuum pump. The ultimate vacuum it can obtain is 2000 ~ 4000Pa, and the vacuum degree of the unit with the vacuum pump can reach 1 ~ 600Pa.

The water ring pump can also be used as a compressor. It is called a water ring compressor. It is a low-pressure compressor with a pressure range of 1 ~ 2 × 105Pa gauge. Water ring vacuum pumps were originally used as self-priming pumps, and then gradually used in many industrial sectors such as petroleum, chemical, machinery, mining, light industry, medicine and food. In many processes of industrial production, such as vacuum filtration, vacuum water diversion, vacuum feeding, vacuum evaporation, vacuum concentration, vacuum resurgence and vacuum degassing, water ring pumps have been widely used.

Advantages of water ring vacuum pump

The structure is simple, the manufacturing accuracy is not high, and it is easy to process.
The structure is compact and the speed of the pump is relatively high. Generally, it can be directly connected to the motor without the need of a speed reduction device. Therefore, with a small structure size, a large exhaust volume can be obtained, and the footprint is small.
The compressed gas is basically isothermal, that is, the temperature change of the compressed gas process is small.
Because there is no metal friction surface in the pump cavity, there is no need to lubricate the pump, and the wear is very small. The seal between the rotating member and the fixed member can be directly completed by a water seal.
Even suction, stable and reliable work, simple operation and convenient maintenance.

Working principle of water ring vacuum pump

The water ring vacuum pump is filled with a proper amount of water as the working fluid in the pump body. When the impeller rotates clockwise, the water is thrown around by the impeller. Due to the centrifugal force, the water forms a closed ring of approximately equal thickness determined by the shape of the pump cavity. A crescent-shaped space is formed between the impeller hub and the water ring, and this space is divided into several small cavities equal to the number of blades by the impeller. During the inspiratory phase, the water ring gradually moves away from the hub, and the volume of the small cavity changes from small to large. When the small cavity communicates with the suction port, the gas is sucked. During the exhaust phase, the water ring gradually approaches the hub, and the small cavity changes from large to small, so that the gas is compressed. When the small cavity communicates with the exhaust port, the gas is discharged out of the pump. With the stable rotation of the impeller, the suction and exhaust processes are continuously performed, so the gas can be continuously pumped.


Water ring vacuum pump product picture

Water ring vacuum pump product customization
Water ring vacuum pump product customization
Water ring vacuum pump product customization

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Water ring vacuum pump
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