Electrostatic Precipitator (ESP) - How it works!
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- čas přidán 3. 09. 2022
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An electrostatic precipitator, or ESP, is a type of pollution control device that removes particles from exhaust gases by using electric fields (electrostatic force). In this video, we look at how an ESP works, its main parts, and learn about the benefits it provides.
The knowledge you gain in this video will be relevant for many engineering industries, but it is particularly useful for engineers working within the power engineering industry.
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Please share the Modeling software how u have created it. U used revit Or sketch up for modeling precipitation chamber
I watched this video three times thinking I missed something, but this video does *NOT* explain how an Electrostatic Precipitator (ESP) works.
It explains where an ESP is used in the process of a coal power station and why it's needed, but has literally zero actual information on what an ESP is, or any specific information on the device/machine/system, its design, components, or how it works. I'm actually more confused now than I was before :(
At the end the video the narrator says "I hope you now understand how an Electrostatic Precipitator works, what the main components are, and why we have them." One out of Three?
saVRee, your videos are usually so good! I wonder if you accidentally cut/deleted the most important scenes of this video?
Exactly!! and people here literally commenting "it's the best video on how ESP works", like seriously he just showed a block and did nothing else.
They've been around a long time. In the mid 60s my dad worked in maintenance for GM at one of their large iron foundries. I remember him talking about them being a dirty nightmare to maintain and they were always breaking down.
Come a long way then. We do a weekly wash of ours (particle board mill) and we rarely have problems with it. They do a pretty good job of stuff cleaning and are pretty stable and the one I operate is probably 20 years old at this point at least.
The only video you need to understand ESP thoroughly. Thanks Buddy 👍
Thanks Pankaj!
This is interesting, we use this in our cement plant in Nigeria 🇳🇬. This is saving my career. Thanks man
The best video about how the esp works! thank you
Great videos. Wish I had these vids when I was starting my career
Me too! Would have saved a lot of time and confusion. Even now, I have only a rough idea of what I am doing...
in our precips we actually use external wrappers, basically a solenoid that lifts and drops a 20lb metal rod onto a fiberglass insulator instead of internal hammers
Your videos make my life easier
Thanks
idk what happened but i was so mad once i was 6 minutes invested and it cut out lol, cmon man! I love your videos hope you can reupload / fix this one
The best video on ESP in CZcams.
Thanks!
Does this machine create ozone? How do you prevent it? I have also to congratulate you for the wonderful video and explaining, these videos makes us all smarter!
2:25 Until about 1983 the main power plant near my town did it this way. Sent the unfiltered flue gases and "fly ash" straight up the stack.
I wasn't around for it (being born in 1985) but I learned from older family members that people living in the immediate area had to regularly wash their cars and homes every week or so or else a gray-black residue would build up. It even had a bad effect on peoples' health because things like asthma, pneumonia and heart attacks were disproportionately higher in the area surrounding the plant than elsewhere. Once the precipitators were put up all those issues suddenly improved.
Thank you so much for your excellent, detailed and brilliant video it is absolutely amazing made simply engineering illustration 👍👏👏👏
We use a WESP at my particle board mill. Interesting to see it used in different contexts. We scrub our hot air exhaust from our dryer through the WESP and it catches the particulates left over from the drying process. The WESP rinses itself every 90 minutes and the "mud" bi product that's produced is filtered and screens 2 more times, once in a shaker table, and once in a mud press. The water is then recycled and the mud is sent to another processing facility to be reused. The whole process is incredibly efficient with very little waste material. I'm the milling and dryer operator so I run the WESP in conjunction with the dryer and our milling room.
Do you get any corrosion issues since water is involved? Can I know what's the pH of your mud?
@@TubersAndPotatoes I actually don't know the pH of the mud unfortunately, but I can say that we don't have much corrosion issues, and that's with us using a diluted caustic solution as well.
Brilliant videos! Would love to see spiral concentrators or dense medium separators
Yum... would be interesting if we used this tech over active volcanoes...
Make more power station animations.
Make an animation on electro hydraulic governing of steam turbines.
Other stuff is planned. Slowly working through the list. There is a power generation playlist, be sure to check it out.
@@savree-3d Sure. But is there any about governing?
I wonder. How much power goes into the ESP ssytem? In therms of back work ratio?
Thank you for the video! 😃👍
You're welcome
Perfect 👍 sir
Cooling towers are not used to discharge flue gases.
Sorry to mention, actually cooling towers are used to cool down the vapor of the steam through the technique called evaporative cooling. Whereas chimneys are used for releasing the gases at a particular height so that it won't have an effect on the immediate surroundings
The water that is evaporated is called 'drift'. The word 'chimney' is not used very often in engineering, it is called a 'stack'. Not sure why, but I hardly ever see the word 'chimney' used in an engineering context.
Water tube link is the same as How Power Statiosn work in description mate.
Good stuff, didn't know you touched on energy - figured it was just boats.
Well spotted. Will get the link updated. Thanks for the heads-up!
👍👍thanks
Hiya!-you created super ~ ))
Thank you.
Hey saVRee, since you're doing ESP, can you do Wet Scrubbers (Vertical/Horizontal) and Multi-Cyclones too?
Can you use this to remove water vapor from the air?
On a smaller scale I sailed with gas turbines which had ESPs fitted on both GG gear boxes to recover atomised luboil. The plague prompted me to wonder why we did not use them to clean air in our public spaces.
Hello. Great video. I was on your site looking for the ESP 3D model. I could not find it. Can you give me a direct link please? Thanks
According to the CSB it's a primary source of ignition
How in the world did you got someone to do all the work of composing these 3D models I'll never understand.
Lot of work and time...and my life's savings (no joke, building a company is not easy).
Wonder if there are been any cases of dust explosion in the separator, since there is also gasses involved, or these inert after the burning?
I think the particulates are already combusted materials. It's ash. Can't combust twice.
@@MushookieMan makes sense👍
Sir ?why oil centrifuge adding and separating water with oil???
How much of the power generated from the coal is used in the pre and post processes such as this?
Why do we not extract and use as much of the heat energy from the air blowing through as possible instead of sending it to a cooling tower to blow out steam?
I wonder about your first question myself.
But the second part I can answer.
Basically, costs scale exponentially to benefit. Meaning, at the end of a power plant's service life if a feature saves 1% of fuel while increasing the overall cost of running a power plant by 1.1%, in maintenance and implementation cost, it will not be installed (they include a prediction of varying fuel costs in the mix).
The exaust gas needs to e hot in order to be drafted by the athmosphere. Something like 200-300°C IIRC. Hot air rises more easily but is harder to blow with a fan. Then it becomes a balancing act between the ammount of heat extracted from the exaust and the work put back in the system to blow the exaust out. The good thing in coal power plant is that since they run the base load, the ammount of power/heat generated is pretty much constant.
Which is also the why that you cannot upgrade a running power plant. They run constantly, only stopping for scheduled maintenance which doesn't last very long because they take days or even weeks to shut down and start up cold again. You simply cannot disrupt the exaust ducts or add in extra piping. So any new feature or technological advancement has to be implemented in the construction of the plant. And the West isn't interested in building new ones.
What is indeed done with exaust gas is that it is used to preheat the air incoming to the furnace. It's easy to build and cheap to mantain. Does increase pumping losses but it's worth it.
Another thing that can be done, though only applicable to small boilers, like the ones in a company that needs to generate steam for a process is that you can tap the waste heat of the exaust with an absorption refrigeration system for refrigeration or air conditioning. That increases cost and I've only seen such a system in academical papers and classes.
There are alot of videos that are asking for some membership, please tell me how to become a memeber and access the video
Visit courses.savree.com please!
please come back savree
Hi Tom,
I am planning it. Starting within 4 weeks. I spent the last 9 months recording a lot of new content.
Thank you so much sir for informational content❤
Plz make more videos for us, We are waiting.....
So this is essentially a very larger powder coater? 😉
Sir, we have water tube boiler in marine engineering!
There is a watertube boiler video online. The ones you are referring to are generally smaller (look like a long rectangular building), I think?
@@savree-3d our water tube boiler company was "Miura"
Wait so how does it actually work? I only saw an explanation of how a water tube boiler works, but not an ESP
so it's a giant ionic breeze?
I thought cooling towers were for heated water only and theres a separate stack for combustion gases
Depends on the design. There are both types.
للكهرباء الساكنة تطبيقات جيدة في الحياة . وليس فقط لسعك عند مقبض الباب ، أو ضربك بالصواعق 🌩
Static electricity has good applications in life. Not just sting you at the doorknob, or hit you with lightning 🌩
All science is a miracle!
The irony of the matter is that whenever the environmentalists want to show the "dirty" industries, they show these exact stacks, emmiting these huge clouds of smoke, which in reality is just clean water vapour.
The cleanest form of cloud. 🤣🤣🤣
Did the explanation part get copyrighted or something? lol
No info on ESP. you only explained why it needed.
Flue gases goes out via the chimney not the cooling tower......
I think u r wrong here
They flow out of the stack, but they can also be discharged through the cooling tower. I have visited a plant that does this.
bro ...but you didnt taught howit actually works ..principle ?
But he did. Quite thoroughly I might add.
It's very simple, in fact. Clue is in the name. Those big plates are charged electrostatically, kinda like a capacitor. They atract the ash particles to themselves, which is then shaken off, collected in the bottom and transported away.
That kind of ash is useful in the cement industry. But most of it is dumped and buried away.
Oh, nevermind. He cut away the explanation part wtf
@@ThZuao thank you , but wanted to know how they attract the particles , consider me as a laymen.
Boop
It talks about what it does , not how an esp works in detail
Fery. Noce