What exactly is a seal pump and how does it work?

In summary, the conversation discussed the concept of seal pumps in power plant diagrams and the confusion surrounding their purpose. It was explained that seal pumps are used to pump water into or around a primary pump in order to prevent leaks. However, there appears to be some missing information in this explanation. The individual believes that it would be more effective to seal the primary pump with rubber or another material. They then ask for further clarification on what exactly a seal pump is, its benefits, and how it works. The conversation ends with a suggestion to research the use of seal water in pumps to understand the reasoning behind the need for seal water pumps.
  • #1
ehilge
163
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I've come across seal pumps in a few power plant diagrams recently and I'm confused on what a seal pump actually does. As it was explained to me, the seal pump pumps water into/around a primary pump to seal the primary pump from leaks. However, something seems to be missing from this description. It makes more sense to me to just seal the primary pump with rubber or some other material. So, what exactly is a seal pump, how is it particularly benificial, and how does it work?
Thanks!
 
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  • #2
Have you researched the use of seal water in pumps? If you do, you will find the motivation for providing seal water at XYZ pressure, thus the seal water pumps.
 

1. What is a seal pump?

A seal pump is a type of pump used in mechanical engineering to transfer fluids from one location to another. It is specifically designed with a seal mechanism to prevent leakage and maintain the pressure of the fluid being transferred.

2. How does a seal pump work?

A seal pump works by using a rotating impeller or rotor to create a suction force that pulls the fluid into the pump. The fluid then passes through the seal mechanism, which prevents leakage, and is then pushed out through the discharge port.

3. What are the main components of a seal pump?

The main components of a seal pump include the impeller or rotor, the seal mechanism, the discharge port, and the motor that drives the pump. Some seal pumps also have additional components such as bearings, couplings, and shafts.

4. What are the different types of seal pumps?

There are several types of seal pumps, including centrifugal pumps, positive displacement pumps, and submersible pumps. Each type has its own unique design and operating principles, making them suitable for different applications.

5. What are the common uses of seal pumps?

Seal pumps are commonly used in industries such as oil and gas, chemical processing, water treatment, and manufacturing. They are also used in everyday applications, such as in cars for fuel delivery and in household appliances like washing machines and dishwashers.

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