Evraz here in Pueblo, Colo is just 2 miles from Xcel Energy's Comanche Generating Station. They take their power right off the buss bars at the power plant at 230kV. That furnace is a 40 ton size. Three of them in their plant can be fired up depending on demand.
Shockingly high amounts. Quite a few have their own dedicated power station. There was a system similar to this doing aluminium owned by alcoa near me. 80kms away like 48 miles, they had a coal power station that ran it and had pylons going back to the smelter. Guys tell me when you were 80 yards from the pot and carrying a shovel, you could feel a magnetic force trying to pull the shovel towards the pots.
I’ve watched a few of these videos now, and I can’t understand how there are always guys walking around these explosive beasts!?? The sheer noise, heat, flying sparks, gaseous byproducts...why would a human being need to be even remotely close to these things? Electricity scares (& fascinates) the heck out of me 😳
what do you mean when you said indirect arc furnace is used for "melting of non-ferrous metals, iron foundries etc" That makes no sense. Iron is the definition of ferrous. It's contradictory.
The cons where it produces hydrogen and nitrogen gases could they not be captured then be repurposed for fuelling the electric arc furnace. Meaning that it would be more economically efficient
The hydrogen and nitrogen mostly appear dissolved in the steel itself or get sucked away with the other waste gases and dust that come off when the furnace is running. It would be possible yes, but very very inefficient and would be very expensive
The one I worked around typically made it around 30-40 degrees hotter than the temperature outside. The surface temperature of the outer shell was around 400 degrees.
The drawback with the EAF process is that it can't mass produce flat roll sheet automotive steel that's why Cleveland Cliffs blast furnace to BOF furnaces are the number one supplier of automotive roll sheet steel in North America and United States steel is probably number #2🧑🏭
This is going to start changing very soon though. Nucor is building a sheet mill in West Virginia that will be an EAF with incredible capabilities including supplying automotive roll sheet. I work for them so you could say I’m bias, but I believe we’re going to change the industry.
The electrodes are made of graphite. Graphite has very high heat resistance, and can handle the heavy current and intense heat required to melt the steel material.
First commercially successful in France, just like first commercially successful steam engine was invented in Scotland but it was first patented in Spain by Jerónimo.
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use a real voice and not some fucking computer and maybe I'll take back my downvote and blocking of your garbage channel
found some crazy video of an arc furnace and immediately had to look it up lol
Fearjames?
I just did the exact same thing😂
Lol same xD
Me too 😜
#metoo
Not a fan of the robot voice
Dat's waycist
Till you stood near one, you will never understand how loud the arc is!
That's crazy! Still using them over 100 years later.
Very good description.
We used DC and the voltage was one electrode and bottom was the discharge . 200 tons in 45 minutes.
你好，我来自中国，我是中国石墨电极生产厂家出口贸易，现在石墨电极价格便宜，需要采购吗 ？
Miss those days on the furnace ! 😔
Very interesting. What are typical voltages and currents? How many kwh does a typical plant consume in a day?
900VAC between phases. 45kA.
A typical transformer for a medium sized furnace is rated for 60MVA.
I know there’s one that has an entire hydroelectric dam dedicated to it
Evraz here in Pueblo, Colo is just 2 miles from Xcel Energy's Comanche Generating Station. They take their power right off the buss bars at the power plant at 230kV. That furnace is a 40 ton size. Three of them in their plant can be fired up depending on demand.
Electric arc furnaces typically use each year the equivalent power needed for up to 200,000 homes
Shockingly high amounts. Quite a few have their own dedicated power station. There was a system similar to this doing aluminium owned by alcoa near me. 80kms away like 48 miles, they had a coal power station that ran it and had pylons going back to the smelter. Guys tell me when you were 80 yards from the pot and carrying a shovel, you could feel a magnetic force trying to pull the shovel towards the pots.
I’ve watched a few of these videos now, and I can’t understand how there are always guys walking around these explosive beasts!?? The sheer noise, heat, flying sparks, gaseous byproducts...why would a human being need to be even remotely close to these things?
Electricity scares (& fascinates) the heck out of me 😳
once you get a taste of working with it around trustworthy, educated people the interest becomes addicting.
Good explanation, but how long do the electrodes last?
a few heats, depends on many factors, but usually a new segment is added every 20 to 30 heats.
Thank you
Nice information sir
Is the grades of steel made in an electric arc furnace worse than a blast furnace then? Can you make specialist steels?
what do you mean when you said indirect arc furnace is used for "melting of non-ferrous metals, iron foundries etc" That makes no sense. Iron is the definition of ferrous. It's contradictory.
Great,tanx
This is used to process silica for solar cells too
👍👍
The cons where it produces hydrogen and nitrogen gases could they not be captured then be repurposed for fuelling the electric arc furnace. Meaning that it would be more economically efficient
The hydrogen and nitrogen mostly appear dissolved in the steel itself or get sucked away with the other waste gases and dust that come off when the furnace is running. It would be possible yes, but very very inefficient and would be very expensive
Very informative thankyou..
Does it heats the air ? How much
The one I worked around typically made it around 30-40 degrees hotter than the temperature outside. The surface temperature of the outer shell was around 400 degrees.
AND CAN’T BE POWERED BY WINDMILLS… SOLAR PANELS… RAINBOWS… UNICORNS… OR WET DREAMS.
It can be powered by solar panels nuclear hydro power and wind power.
The drawback with the EAF process is that it can't mass produce flat roll sheet automotive steel that's why Cleveland Cliffs blast furnace to BOF furnaces are the number one supplier of automotive roll sheet steel in North America and United States steel is probably number #2🧑🏭
This is going to start changing very soon though. Nucor is building a sheet mill in West Virginia that will be an EAF with incredible capabilities including supplying automotive roll sheet. I work for them so you could say I’m bias, but I believe we’re going to change the industry.
Just love robot voices. Not.
Definite reason for not subscribing.
Why don't the electrodes melt?
The electrodes are made of graphite. Graphite has very high heat resistance, and can handle the heavy current and intense heat required to melt the steel material.
@@JamesSwordEngineering Thank you James
@@recyclinggestapo6943but they do wear away and have to be added on to to keep the length to reach where it needs to be
👍
I need pdf on that where can I get one
Why
@@kz6713 i have a worksheet on that subject and i need some resources
I'm looking todo an smaller one, an 1/8 of the size of this one., fully automated.
Have you found the electric arc furnace you want? Can you tell me your contact information? We can customize the size you want.
Invented in France ?
First commercially successful in France, just like first commercially successful steam engine was invented in Scotland but it was first patented in Spain by Jerónimo.
Put a pound in the electric meter
Union Carbide in Mexico use coke to make electrodes
Electric Arc Furnace
Note to self, stay away. Nice work.
Worst place to work EAF
It also has a massive mouth that's bigger than Texas yap yap
100% recycling all slags. We need sustainable and environmentally friendly technology-Steel Slag Processing.
Crushed slag used for roads.
Bloody big ark welder..😂😂