Tuesday, May 10, 2011

Draw the centrifugal pump diagram and show the impeller and fluid flow direction


Centrifugal pump is as shown in the figure.

In this figure observe the vanes shape and impeller direction.

Volute: It is the gap between the casing and the impeller. There are two uses with volute of the centrifugal pump.
  1. In this volute kinetic energy is converted into pressure energy. As the cross section area increases, the volute reduces the velocity of the liquid and increases the pressure of the liquid.
  2. One of the main purposes of a volute casing is to help balance the hydraulic pressure on the shaft of the pump. However, this occurs best at the manufacturer's recommended capacity. Running volute-style pumps at a lower capacity than the manufacturer recommends can put lateral stress on the shaft of the pump, increasing wear-and-tear on the seals and bearings, and on the shaft itself.


Centrifugal pumps are used for large discharge through smaller heads.

14 comments:

  1. Hi,
    It is really a good illustrations of centrifugal pumps, you are really
    draw a nice diagram.
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  2. With the help of the parts in the figure, knows the action of the centrifugal pumps features and usage. Thanks for posting it.
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  4. Thanks for the article describes working nature of centrifugal pumps including its sparenparts like impeller, and valve.

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  5. Interesting blog and I really like your work and must appreciate for your work for the pumps.

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  6. Can u please explain how volute can balance the hydraulic pressure on the shaft of the pump

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  9. A centrifugal pump is a type of fluid transfer pump that uses an impeller to move fluid by converting rotational kinetic energy to hydrodynamic energy. Centrifugal pumps are widely used in various industries and applications, such as chemical processing, water treatment, and oil and gas.
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