How Multistage Centrifugal Pumps Work
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- เผยแพร่เมื่อ 29 มิ.ย. 2024
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This 3D animated video shows how a multistage centrifugal pump works. We look at some of the main components, how it works and some different multistage pump designs.
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▶️Introduction
Multistage centrifugal pumps are used to increase the pressure of a pumped fluid without reducing the flow. This type of pump often utilises multiple diffuser casings, but can also use multiple volute casings (less common).
Operation
The pumped fluid is drawn into the impeller eye of the first stage impeller, it is then discharged and fed to the next impeller eye, and the process is repeated until the fluid has passed through all impellers. Each impeller is referred to as a ‘stage’. A five stage pump is a pump with five impellers.
For a more in depth look at pump operation, watch our How a Centrifugal Pump works video:
• How do centrifugal pum...
Components
The centrifugal pump consists of:
Wear rings
Compression packing or a mechanical seal
Impeller
Volute casing or diffuser
Lantern ring (for compression packing only)
For a more in depth look at pump parts and components, watch our Centrifugal Pump Components video:
• Centrifugal Pump Compo...
Centrifugal pump Designs and Classifications
Centrifugal pumps are classified based upon the impeller used, or flow type.
Impeller types are fully enclosed, semi-closed (or partially open) and open.
Flow types are radial, axial and mixed.
For a more in depth look at radial centrifugal pump impellers, watch our Centrifugal Pump Impellers video:
• Centrifugal Pump Impel...
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I can't express the impact of the ability to view a cutaway/interactive model compared to 2D Engineered drawings. I find it helps understanding all the moving parts without having to learn how to interpret a 2D drawing
All videos are really great. Thank you so much for posting such videos
Enjoyed the video. Thank you.
this is a very good explanation, ty saVRee 3D
Pretty good video, helped me understanding our feedwater pump in a better way. Thank you.
You're welcome!
You can do the same thing with the RS-25 High Pressure Turbopump engine, I need to understand how the diffuser is made and how the vein guides are formed between one case and another
Beautiful loved ur 3D animation keep it up and make more videos😍
thanks for this i am learning a lot from your videos.
IMPORMATIVE VIDEO 👍👍👍
very good ,thank u
Good information
Nice animations
Video is super but it will be very clear when you explain each section seperately
Wow, 😲 Awesome
thanks
Nice
You said that the impeller is used to reduce the velocity and increase pressure, but I thought the purpose of the impeller is to increase the velocity due to centrifugal force, and once it is passed to the diffuser, the kinetic energy is converted to pressure since that part is stationary
i think its the diffuser that will slow the velocity but increase the pressure.
Great
GREAT PITY you didn't give an idea of what kind of pressure can be attainable .. 10's or 100's or 1000's of bar?
Not to forget another type is BB3 pump (a multistage axial split horizontal centrifugal pump)
Because of the increase in pressure energy in everyone of the compartments would the fluid transported through this pump usually increase in temperature?
Good video. Had a look at your other content and decided to subscribe. Sad that your videos are not viewed more. YT is odd like that.
@@savree-3d I will go through a bit of your content too. I barely have subscribers on my channel but it matters not to me. I am in a third world country where I cannot monetize anyway. I do it for fun, documentation and to put back something in the community.
Why no mention of the balancing arrangement?
If the velocity is reduced at the outlet, how does the liquid flow upwards? Or do we use some other equipment to increase the velocity?
El líquido recibe Energía en forma de velocidad en el impulsor y al perder esa velocidad en el difusor o voluta, la energía se transforma en presión, porque recuerda que la energía no se crea ni se destruye, solo se transforma.
Which compressor is best for air compresion (centrifual or reciprocating)
@@savree-3d this type centrifual compressor how many bar and volume makes this type centrifual compressor approx?
@@Ssraja-kk4cj If you need small volume, high pressure then Screw/reciprocating any positive displacement compressor. High volume low pressure then a single stage centrifugal compressor. If you need high pressure and high volume then Axial Multistage Compressor( 10,000kPa.) I worked in a cryogenic plant, used Axial Multistage compressor for volume.
If increasing the impeller for the multistage pump will the flow increase?
yes but only if the head is within flow chart range. Because otherwise your multistage pump will waste energy and cause cavitation
Hi, do you have a full list of other vedios
Visit courses.savree.com please. A lot more content there.
One thing i dont understand
seriously
if you put so much effort in creating a 3d animation,
why you dont simply add the fluid too and show how it ACTUALLY works ?
There are so many tutorials in youtube to show you how to add fluid in your animations and it will make them look more professional
instead of pausing and showing with the mouse what the fluid does.
I have lessons about them in class and i am trying to understand them more... They teach us not in english language and translating into english these centrifugal pumps may have one piece of low pressure stage and several pieces of high pressure stages. Is it the exact same as multistage centrifugal pump? because "multistage" can be understood as "one low pressure stage and several high pressure stages". The first stage has the lowest pressure and the others are high pressure stages. Do i understand it clearly? I understand that its the same just the terminology is a bit different. thanks
Multietapa o multipasos es lo mismo. El primer impulsor incrementa la presión de succión y lo aplica directamente al segundo impulsor y sucesivamente, por lo cual, la presión se incrementa_____ Gradualmente____ hasta el último impulsor.
Hhnnnnnp