Electrostatic Precipitator (ESP) - How it works!

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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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[savree-d]

Want to continue learning about engineering with videos like this one? Then visit:

Want to teach/instruct with the 3D models shown in this video? Then visit:

[cybrflash]

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?

[terryboyer]

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.

[pankajsaxena]

The only video you need to understand ESP thoroughly. Thanks Buddy 👍

[babatundeegbeyemi]

This is interesting, we use this in our cement plant in Nigeria 🇳🇬. This is saving my career. Thanks man

[middleway]

Yum... would be interesting if we used this tech over active volcanoes...

[joydasgupta]

Make more power station animations.
Make an animation on electro hydraulic governing of steam turbines.

[pistolade]

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

[entropyachieved]

Great videos. Wish I had these vids when I was starting my career

[srihari]

Cooling towers are not used to discharge flue gases.

[blitz]

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.

[ThZuao]

I wonder. How much power goes into the ESP ssytem? In therms of back work ratio?

[Titus-Adams]

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

[TsantoulisX]

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!

[gislainenunes]

The best video about how the esp works! thank you

[alialshammari]

Thank you so much for your excellent, detailed and brilliant video it is absolutely amazing made simply engineering illustration 👍👏👏👏

[Felamine]

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.

[karthikreddyvangeti]

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

[naasvanrooyen]

Brilliant videos! Would love to see spiral concentrators or dense medium separators

[TubersAndPotatoes]

Hey saVRee, since you're doing ESP, can you do Wet Scrubbers (Vertical/Horizontal) and Multi-Cyclones too?