Single Stage Watering Vacuum Pump
A single stage watering vacuum pump is a type of pump used to create a vacuum by using water as a sealing liquid. It is a positive displacement pump that creates a partial vacuum by compressing air or gas within a chamber and then expelling it through an exhaust port.
The pump works by using a rotating impeller that is partially immersed in water, creating a water ring that seals the chamber. The impeller rotates, creating a centrifugal force that compresses the air or gas inside the chamber. As the impeller rotates, the volume of the chamber decreases, causing the pressure to drop and creating a partial vacuum. Water is continuously injected into the chamber to maintain the water ring seal.
Single-stage water-ring vacuum pumps are commonly used in industrial applications such as vacuum filtration, drying, degassing, and impregnation. They are preferred for their relatively low maintenance requirements and because they can handle gases and vapors that may be corrosive or contain particulates.
However, they may not be as efficient as other types of vacuum pumps and may require a relatively large amount of water to operate. Additionally, they may not be suitable for high vacuum applications where a more precise control of pressure is required.
single stage watering vacuum pump working principle
The working principle of a water-ring vacuum pump is based on the formation of a liquid ring that serves as a sealing element between the rotating vanes and the cylindrical casing of the pump. The liquid ring is formed by introducing a continuous flow of water into the pump, which creates a centrifugal force that holds the water against the pump’s casing. This forms a ring-shaped seal around the vanes.
The pump’s impeller is mounted eccentrically within the casing and is driven by an external motor. As the impeller rotates, it creates a series of crescent-shaped cavities between the impeller vanes and the casing. These cavities expand and contract with each rotation of the impeller, which causes the volume of the cavities to increase and decrease, respectively. When the volume of the cavity increases, a partial vacuum is created, which draws in gas or air into the cavity.
As the cavity volume decreases, the compressed gas or air is forced out of the pump through a discharge port. The water-ring seal ensures that there is no direct contact between the impeller vanes and the pump casing, which prevents wear and tear on the pump.
The continuous flow of water also serves to cool the gas or air being pumped, preventing overheating and potential damage to the pump. The water used in the pump also acts as a lubricant, reducing friction between the impeller vanes and the pump casing.
Water-ring vacuum pumps are widely used in a variety of industries, including chemical processing, pharmaceuticals, food and beverage, and paper manufacturing, among others. They are preferred for their ability to handle gases and vapors that may be corrosive or contain particulates, as well as their relatively low maintenance requirements.
|SPECIFICATION TYPE JDWV||SPEED RPM||SUCTION CAPACITY M3/HR||RECOMMENDED MOTOR H.P.||WATER CONSUMPTION|