Water ring vacuum pump referred to as water ring pump, it can be used as a compressor. In petrochemical, machinery, mining, medicine, food and other sectors widely used. How do you know the working principle of water ring vacuum pump? Next, we through the water ring vacuum pump schematic to understand the principles of water ring vacuum pump. Water ring vacuum pump Schematic: Water ring vacuum pump principle: In the pump body with the right amount of water as the working fluid. When the impeller rotates clockwise in the direction indicated in the figure, the water is thrown around by the impeller. Due to the centrifugal force, the water forms a closed ring of approximately equal thickness depending on the shape of the pump chamber. The inner surface of the upper part of the water ring is just tangential to the impeller hub and the lower inner surface of the water ring is just in contact with the tip of the blade (in fact there is a certain insertion depth of the blade in the water ring). At this point the impeller hub and the water ring form a crescent-shaped space, and this space has been divided into a number of impeller leaves the same number of small cavities. If the upper part of the impeller 0 ° as a starting point, then the impeller at 180 ° before rotation when the small chamber volume from small to large, and the end of the suction port communicating, when the gas is inhaled, when the end of the inhalation chamber When the impeller continues to rotate, the small cavity becomes smaller and the gas is compressed; when the small chamber communicates with the exhaust port, the gas is discharged outside the pump. Water ring vacuum pump usually simple structure, easy processing; compact footprint; simple operation, easy maintenance and so on. Some types of pumps are not suitable for use with flammable and explosive gases, but water ring vacuum pumps do not have this problem because the compressed gas is isothermal. This is why water ring vacuum pumps are more widely used.
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