How CEMENT is Made
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- เผยแพร่เมื่อ 23 ส.ค. 2023
- How CEMENT is Made
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I used to work at a cement factory. The video is factual correct without getting into too many details. Modern grey cement production uses a tower with a calcinator and a cyclone - the cyclone removes a lot of water very quickly. You need less heat to remove the water. The production is sped up multiple times making it far more energy efficient than the rotary kiln. Cement production uses a lot of waste products like the ash mentioned. Waste has become a ressource - you pay for.... Cement production releases a lot of CO2 - however a lot gets trapped again in the process of curing (when the cement hardens).
Yes. Please tell the lefties that cement when curing natural sequsters C02.
Thank you for sharing, glad to hear co2 gets back into the concrete.
are you an engineer?
I did the control systems for a preheater precalciner system. It had a short kiln…the clinker cooler was the hardest to keep smooth control.
Cement absorbs Co2 ? Thought that was just lime ? Cement hardens from hydration though right ?
Background music is annoying.
Cyndrilical! Nice.
It's 5am in the morning and I'm learning about cement...pretty dope.
Retired R/M driver here. Did a good job explaining about cement. The ancient Egyptians had their own version said to contain lava ash. I know this vid was about cement but maybe you could do a series focusing more on concrete.🙏💓
It was the Romans, not the Egyptians. Volcanic ash, called pozzolana, or pozzolan, was mixed with slaked lime, and that mix was mixed with sand and gravel to make Roman concrete. It lasts for thousands of years.
@@robinpage2730
...and cures in seawater too!
@@robinpage2730 I heard it also had tiny chunks of sea shell embedded in it. Seems the shell was a reservoir of calcium carbonate that seeped into the surrounding cement material over eons and sustained its structure. When we made it, it was all ground very fine for strength and fast set. The Roman stuff lasted, well it still lasts…
@@robinpage2730 Pozzolana is not just a form of volcanic ash but as a sandy form of volcanic ash made out of micro-particles of micro-porous silica almost like diatomaceous earth to allow 10,000 times more surface area to react with the burnt quicklime or slaked lime to form a NON-POROUS calcium silicate which is also very strong. Since the late 1960s many scientists and engineers has been trying to find ways to improve on this principle of calcium carbonate to silica inter-reactions. In the Eastern Roman Empire they have no pozzolana or pozzolana sandy volcanic porous ash but they instead used a substitute called crushed and powderized bricks which has been crushed and grinded until it is as fine as white flour. How long it will last? One archeologist demonstrated how that product is made by mixing an equal volume of burnt quicklime and powderized brick powder and adding sufficient water to form a mortar and slap on on a rock wall wet with sea water to make it water proof and he said "IT IS GOOD FOR THE NEXT 5,000 YEARS!" Others use either silica sand with a silica content of 95%, or silica brick with a silica content of 97% or, quartz-quartzite-diatomaceous earth with a silica content of more than 97% up to more than 99%. They are all crushed, pulverized, grinded, powderized to become as fine as bleached white wheat flour so that they will dissolve in water (water is a universal solvent) and when mixed with water soluble burnt quicklime or slaked lime they form calcium silicate cement. One scientist-engineer went so far by mixing an equal volume of sodium silicate (waterglass with a 50% silica content and 50% sodium carbonate content) mixed and dissolved in hot water and allowed to cool into a viscous liquid similar to honey and then mixed with an equal volume of burnt quicklime or slaked lime until both has completely dissolved together (plus some additional water so that he can add a calculate volume of sand and-or graded gravel which are both mica free so that the resulting cement mortar and-or concrete is very strong) that he ended up with a weird form of almost glassy or glazed form of calcium silicate mortar and-or concrete which is very strong and virtually non-porous!
Modern Portland Cement is simply synthetic volcanic ash. You can use any kind of silicate, it's the temperature, heating and cooling times that determine the quality of the final product.
I run a concrete plant. There are a few batches (recipes) we use all the time for things like driveways, sidewalks, foundations etc but for special projects (large commercial jobs etc) there are hundreds to choose from and my company has experts that can whip up a new one whenever needed. There's also a lot more than just retarder. There's water reducer which also increases the strength of the concrete, fiber (steel, plastic and glass varieties), and we can even change the color of the concrete.
Great tip!
I would definitely qualify as a retarder. Are there job openings?
@@wanderingfido only for the competition ;)
Throw a can of coke in the back of the mixer to slow it down…
@@RajinderYadavdo you snort a sample of the batch to see if there’s enough in there?😂
The part where he started talking about the clinker and the clinker cooler (02:10). It reminded me of that one Rick and Morty episode with the Plumbus. 😅😂😂😂😂
Thanks for the information!
I'm now able to start manufacturing cement
I do construction work and I never actually knew what cement was made of. It can be a lot of physical labor though especially when doing larger pours, or working with drier concrete. I’ll bet working in the rock quarry blowing up rocks and operating large machinery would be super fun though
I thought cement was just a mixture of various minerals, I had no idea it had to be manufactured 😂🤦
I always wondered where cement came from since it gets hard when wet. I thought it had to be mined from deep underground or something.
Very good brief explanation accept one. The finishing process is performed at the time the concrete is curing and not after. Usually 3 to 4 hours after being poured, skreed, floated and or fresno smoothed, a trowel, broom or stamp finish is applied. The only finish performed after curing is acid etching, grinding and polishing. 70% strength it usually obtained after 7 days. 90% after 28 days. Concrete can cure for up to 90 years. The Hoover Dam project was still creating heat from curing years after completion.
I don't even remotely believe that whole Hoover Dam claim.
It sounds like another asinine claim to wow and dumbfound the masses.🙄
Are we to believe that they imbeded wireless Tempurature sensors throught the concrete?
Concrete Dams are poured in blocks, using a quick curing cement, and each block is essentially cured by the time another block is poured on top of each block.
Are we to believe that the Hoover Dam is the one concrete structure in the world that somehow created an anonymous forever lasting chemical reaction that defies Physics?
If you're going to unnecessarily criticise an excellent informative video , the least you could do is basic schooling beforehand.
Typical arrogant illiterate American.
'Except' & 'screed' by the way .
Apology accepted
Except not accept
Thanks. Learning to accept criticism.
Oh, Thanks. I didn't no.
A cyndrilical furnace - that's something I'd liketo see! (1:44)
Some are huge and are lined with 6-9in brick to keep in the heat. It's pretty cool to see one while running. The heat the put off is crazy.
A good general knowledge video. Important information all in one place. Well done!
Glad it was helpful!
The video is very well made - but the background music is intrusive.
This was an VERY well made video. Clear, concise and well explained. Great job!
Glad you enjoyed it!
What’s happening on the thumbnail?
@@Factora_engstop using words over and over you bore people and sound repetitive like crazy
And he's very good with the words me thinks.
Excellent video!
This puts into perspective how complex something so common is..
What a marvelous finding!
Amennn, and, i wonder, why it wasn't invented by our black brothers ... ?
Best Wishes
This really buttered my bisquit,thanks!
Cool your clinker, Buddy
"Aaaah, it's a clinker! I knew it!!!"
The first thing that ran through my head!
Gotta get me one of those cyndrilical furnaces!
Me2 !!! ! !!! 😀
Years ago I worked at the only admixture and crete curing compound plant in the U.S.
Now this plant is gone , and many others have popped up I realize how important my job was.
my hungry ass could never work at a cement factory🍴
My uncle is Aliko Dangote, believe it or not.
fairly thorough, but I would have liked to hear about the Donnely nut spacing and crack system rim riding rip configuration.
1:11 - “sub-SEE-kwent” - hahahahaha
Amazing...thanx
I always wondered about cement, thanks
You bet!
Excellent video
Thank you very much!
Ino video Iko sawa kabisaaa
I will own a cement company some day
we takea da powder and put it on the belt and then some other belts come by and the powder in da mixer and pour out da cement good job bub. i had no audio on while watching but thats how they make cement im pretty sure
"Fasten or slow down..." 😂
Retired RM, Kiln and CM operator here..very good explanation.
Wow that is so cool
I know 🤯
excellent !! thanks
The batch man (person who batches the concrete) can make or break your day.
The forbidden pizza dough
This has strong Rick and Morty vibes lol
😅
Making that Easyyyy Money!
you telling me Lime trees and Sky scrapers have something in common?
What a great video!
Glad you enjoyed it!
This is really interesting!
thx for information
Cement, concrete and how about Portland?
Hapa kwetu Tanzania 🇹🇿 tunachimba sementi nyingi sana ila tunuziwa bei sawa na bure
You forgot to include "Slump" and "Air Entrainment"!
Worked at a cement plant for a few!! Raw meal is cooked to become clinker, then mixed with gypsum to make cement!! Mix cement with rocks (aggregate) becomes concrete....
Hey! I'm making a documentary about cement factory workers. I would love to hear about your time working there.
I haul dry cement from time to time and it’s nasty stuff it’s so fine it gets everywhere and at the end of the day you gotta blow it all out of your nose
Wear a good quality face mask. The dust will kill you faster than smoking. I am 70 years old, and retired. I occasionally worked around carbon black refineries. I wore a full quality face mask and used petroleum jelly around my ears. I still had to blow my nose to get rid of some carbon black. I never never got in my vehicle before a good shower. Carbon black is just like coal, causing black lung cancer.
very, very, very Informative video
Glad it was helpful!
I’m used to hearing “Seamint” on the job site
01:41 "Cindrylical"
🤔
1:40 The narrator says: A long "cyndrilical" furnace...
instead of cylindrical.
A very...SOLID... video! 😂😂😂
That's a lot of work but you get something concrete.
Yawohl! Das ist die klinker cooler!
Awesome, I hate when people call Concrete, Cement
I had a customer who was a cement factory in Nevada. They had a sign up that said "Number of days since last fatality", along with pictures of men who had died working there. That long kiln and what comes out at the end is dangerous.
This sound like how to make plumbus.
Fascinating and what's also impressive is at my local store I can get a 20 kg (44 lbs) bag for $8.50
That is cheap after seeing all the work that goes into making it
40kg of cement is only 3.88 dollars
Cement isn’t concrete.
But yeah, in Idaho 80 pounds of premix concrete is $7.62
I use AKM cement and I'm from wonderful 🇮🇳😂🎉
❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤beautiful piece
In South Africa we found a very very efficient way to make concrete without using heat.
How would that be ??
Great video. I'm going to send people here when they tell me that concrete is called cement
Cool, thanks
Wow.This is wonderful. Thanks for sharing.
Thank you!
Can you do sweets like gummy bears? 🎉
The only question I have now is how do the Chinese manage to make concrete of such low quality that you can poke your finger through crumbling it with ease?
You actually believe this?
Thanks expose about cement made.i work before lafarge,inland and miron montreal quebec.cement production change a lots last 50 years.quality is a must a saw own eye when concrete is not made correcty so batch is reject.lafarge just finish huge modernize plant exshaw alberta for future production demand.precast come long way too lots bridge now have lots stuff prefab save lots time and money.thanks video😊
really good video... concrete is everywhere, but we only seem to notice when it fails
Especially if it’s in China and not in the correct quantities as it should have been. Tofu-Dreg project is so very bad that buildings are failing. Very bad
nice
Amazing technology, still wondering how the entire world was covered in amazing structures as early as the 13th century, how was that possible?
stable food supply, the rest follow after, mostly from boredom or one up your rival
@@mandalamarcho7997 Amen, Because, before that, people had to spend most of their ime just working 4 the food 4 surviving. That is why the Progress couldn't be achieved.
Wait what ?? Who in the world thought cement and concrete is the same thing ? That's so dumb..
This is hardcore. Proper cemental
Worked at the Medusa plant in Pennsylvania, they used a long kiln
Great video
It's all about the quality of the clincher.
❤
Finally there is an American who actually understands what cement is .
I lived on Portland for a while.
So did Bill.
fascinating
Anyone know what ‘cyndrillical’ means???
I’ve heard of cylinders. I’ve heard of Cinderella. Never heard about no sin-drill-ah-kul.
It’s CONCRETE dammit!!
That's one tuff gal. God bless yall
🙌
4:54 what came first concrete or a concrete slab?
2:49 AAAY PAPI!
Cyndrilical? Sub-seeekant?
Watched video
1:42: "Cindrilical"??? Seriously?
Never forget about safety. Use Softgle Comfort
On fire bro
💪
I’m a millwright that works in a concrete plant doing just all the fun stuff
Thank u ❤🎉
Cement has a life of 100 years where as ancient Romans Indians and Egyptians used only limestone as binding material for their construction. Their constructions are still standing even after 1000's of years. Are we are missing something here, definitely, like the video said cement industry is worth more that $600 billion and limestone is freely available just need to dig and transport.
They added pozzolan (volcanic ash, which makes the lime putty/aggregate mix smoother and easier to work) and eventually realized that it actually reacted chemically with the lime to make a hydraulic cement. The secret is the silicates and aluminates in the ash. Clay also contains these compounds, that's why it's a raw ingredient in Portland cement. The difference is, we burn it much hotter than they did. The clinker we depend on for fast setting times, was garbage to the Romans. The chemistry is not good for durability.
Modern concrete can carry much greater loads.
@@larrybarnes3920 😂
Perhaps modern concrete can carry much greater loads than way back then, but not many people need it to do that, so why can’t we just get an option to buy the same stuff the Romans put out ?
The main difference between roman concrete and modern is the larger chunks of quicklime they mixed in, this made the concrete "self healing" and therefore can last longer. Today you can buy concrete that has a similar composition as roman concrete but better in every way, the only problem is that it is waaay more expensive... and most chooses to not sell it.
In fact most buildings today are calculated to last just 50-100 years and therefore expensive concrete is not needed.
If you want to see the best concrete we can create today look att the concrete in nuclear waste storage bunkers, that concrete often uses iron ore as aggregate and is calculated to last 1000+ years :)
I wish you could get good concrete here in Thailand. No fibers here. I asked about it and they just say no and shine me on
It's "cylindrical", not "cyndrillical".
"Sub-see-quint" ? "Cyn-drill-i-cal"?
What the actual fuck?
Spelling police
@@mimusic1853 No, the AI bot speech police.
@@petermoto409 People shouldn't use words they can't pronounce.
thanks your videos are great!
Glad you like them!
DANG im endup here