Making my own quicklime and lime putty experiments
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- เผยแพร่เมื่อ 14 ต.ค. 2024
- I am going to need a large amount of lime plaster for all the the project i have planned. i got some quite for the lime and it is quite expensive so i decided to try and make it myself.
i used my wood-stove to fire some limestone and the results were positive. i think its now time to build and kiln and try and do it on a larger scale.
www.KrisHarbour.co.uk
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Damn Kris, you`re like Mr Wizzard or something. Your talents and creativity never cease to amaze me. My dad built 2 homes, and you could put him to shame. Discovery channel should do a series on you, Much better than ``Alaskan Bush People``. I truely appreciate all you`ve taught us. Thank You for sharing your video with us, and sharing your dream as well. Never stop dreaming Kris. ATB
jack mehoff completely agree,, Alaskan bush people is fabricated rubbish.. we are happy to say Kris is the real deal 👍
I’ve worked with quicklime for years. My best advice would be to be careful of burning your skin and especially protect your eyes pal!! I’ve recently started a new job as an operator of the ground lime plant at the UKs best quality lime quarry. I don’t operate the kilns, but we’re all together in the same control room, if you need any advice Kris. You have no doubt done your research as always though pal. I don’t mean that in a patronising way, just in case it comes across like that. Love your videos. Look forward to the next!! Jord.
Thanks Jordan. I wil keep that in mind.
Hello Mr Jordan, my name is Tunde fro. Nigeria, west Africa, please I want to start my own Quicklime factory here in Nigeria and needs tutoring. Please here is my contact WhatsApp - +2348023992661
mountaintopg@gmail.com.
Thanks in advance
thanks for the warnin!
I will second that. I have been a concrete finisher for 30 years. I have gotten some awful burns over the years. It’s no picnic. It’s painful and it takes a while to heal. Nice job.
OMGOODNESS! You’re fearless! I love it. Lots of folks have great ideas but you follow through! You’re willing to try and try again. Thanks for sharing the journey with us! Blessings..
sweet looking forward to seeing the kiln
Hi Kris, love the experiment and your videos.
I'm a Structural Engineer from East Kent and have experience of working with lime; as an introduction some good books to read are the Historic England book Mortars, Renders and Plasters and the Historic Scotland guide Lime mortars in traditional buildings. You need to get the limestone up to a minimum of 800c but closer to 950c to turn the chalk into lime - and are you aware of the difference between an Air lime (usually called lime putty) and Naturally Hydraulic Lime (NHL). An air lime is derived from a limestone that has a lower percentage of silica and alumina impurities (less than 6% impurities) and an NHL has higher percentage of impurities, with the increasing amount of impurities (from 6-24%) leading to a harder setting mortar. The traditional grades of NHL based on their compressive strength were feebly hydraulic, moderately hydraulic and eminently hydraulic similar to todays NHL 2, 3.5 & 5. After having said all that the limestone needs to get very hot (nearer the 950c mark) for the impurities to 'activate', therefore if your kiln only fires around the 800c mark and the limestone contains a lot of alumina/silica impurities you will still only get an air lime because the kiln hasn't been hot enough to activate the impurities.
The difference when using these types of mortar is that basically an air lime has an initial set through evaporation of the water into the surrounding brickwork/laths followed by a slower process of carbonation whilst an NHL has an initial hydraulic set (whereby the silica and alumina impurities set, similar to a cement mortar) followed by a slower process of carbonation. This means that the NHL mortar will be harder quicker than an air lime mortar - not such a big deal if you are rendering or plastering but its helpful if you are laying bricks and require a harder initial set to crack on with the brickwork. You can also add pozzolans to an air lime putty to turn it into an NHL mortar, see the following link (www.buildingconservation.com/articles/pozzo/pozzo.htm), that website is also good for all things lime related.
It also means that you cant store an NHL mortar once you have slaked it in water, as the mortar will set, you could possibly store a weak NHL, say an NHL 2 or 3.5 for a day or so but something stronger like an NHL 5 needs to be used the same day.
I hope that's helpful - I'm coming down to Wales towards the end of November to give my friend a hand in his woodland, I'm happy to meet up or chat this through over the phone if you like.
Thanks for taking the time to write that. that was very helpfull. i didnt know about the activation temperature.
do you know of any way of finding out the silica/clay content other than testing by burning them and finding out if they set underwater? the limstone will be coming from the black mountains. i cant find any info on the purity of it there. there are lime kilns but i have no idea what kind of lime they were producing.
Hi Kris,
The geology in SE Wales is varied, the following link mapapps.bgs.ac.uk/geologyofbritain/home.html is to the British Geological Society map of the UK, in the top RH corner you can put in your postcode and it will tell you the underlying geology and surface deposits for that area, however this will not tell you the clay/silica content. Analysing chalk is not something we generally need to do; when we specify lime we just put 'air lime' or an NHL grade in the specifications and the contractor sources it, usually from firms such as St Astier or Cornish Lime.
However we do occasionally have clay samples tested by a lab; we use a firm called Soiltec in Kent, they generally charge £45 for a simple clay analysis and if you called them and sent them a sample I'm sure they could help. But if you googled Geotechnical firms that offer site investigation they should be able to help; Ive had a quick look and the following firms seem to offer what you need - www.terrafirmawales.co.uk/ www.soilconsultants.co.uk/
Hope that helps
Thanks for the information. i have just fired up my little kiln and got it up to copper melting temperatures. i have fired a small test batch of the limestone i have available. I took lots of little bits from a number of different bits of rock from the same area and fired them. they are now slaked and settling under water. I guess i will see if it stays as a putty. Im quite confident in the temperature reached because i put some copper tube down in the furnace and it melted. this should be a fairly good way to work out of i can make air lime putty from the limestone i have available right?
Hi Kris,
Yes, using the copper pipe would be a good indicator of the getting the correct temperature, good idea that!.
very helpful!
lovely ambition and well executed as an experiment! imo people often underestimated the value of thoughtful experience!
When the lime gets extra hot it changes the composition further, so the reaction isn't immediate in the bits that goes extra hot. So let it sit in water over night.
Plus, use an excess of water, the pudgy settles to the bottom so you can remove it after the morning without it being a problem, while ensure a full reaction of the lime stones.
I know it is kinda off topic but do anybody know of a good site to watch newly released tv shows online ?
@Stanley Kyree Flixportal =)
AKA high LIME TEMP = BAD? Is that so hard to understand lol
Hi Kris, love the channel, love the vids how they are all informative. Amazing how u use what you have around you. 👍
Lived near to a railway loading yard for limestone kiln products. Picked up dropped bits, and dropped bits into a partially frozen puddle. It was boiling within a few minutes.
I'm glad you've got a tractor and some labour saving items. It will take time but a lot less time with a tractor and a decent pto. A 3pt PTO mixer would be good for making Cobb..
Very interesting video Kris, looking forward to more. Government up here makes a sum of money available to the public so people can spend it on training courses per annum, I spent mine on a lime mortaring course at a place strangely enough called Limekilns. Used to get a lot of sea coal off the beaches as well, especially after Easterly storms but don't get much these days (decades later) the exposed seabed seams must be wiped out.
you've probably thought of it but thought i might mention, it might be best to break up the limestone into smaller pieces before firing it so you have a lower chance of bigger pieces being unburnt.
if you look the limestone was all different sizes, this was so i could get an idea of how long it take for different sizes to burn. it cant be to small because then the flames and heat wont be able to get through the layer of stone in the kiln. i think quite big stone will be better. just needs lots of heat for a long time.
My thoughts exactly. Maybe run the limestone through your Apple pulper or something like it. Cheers mate. Love your videos.
Haha, the apple scratter is good but its not that good! maybe if i made a tungsten carbide version.
Just watched a documentary before this. It said it was to be broken into 2-6 cm gravel
Excellent! Well done!
Thank-you!
I am so impressed! Just wow! I cannot wait for what is to come!
Kris, Great Video and cheers to you figuring things out on your own! Im a school teacher, so my "safety" alarm was going off with the steam/ gas chemicals being produced from the lime reaction. I do know that lime can cause a chemical burn and can be severe (damage to skin tissue) if not protected. A few stories of people pouring a driveway barefoot because they didn't have rubber boots and ended up in the Emergency room. Having said that, a respirator and safety glasses are helpful. (the fluid in your eyes could mix with the vapors and cause a burn. I know you are very smart, obviously from the amount of skills you demonstrate in your videos, but i'd hate to have an injury set you back. Love your videos and channel, I'm investigating a few acres of land to start building like you. Cheers Mate! (pint raised)
Hi Kris, would a motor softstarter solve the issue of the motor not starting off your inverter? You could reuse it with different pieces of equipment as well.
That veg oil will solidify into a gel sludge that gets sticky and disgusting. It’s nearly worse that rust jeez could be worse. It’s a damn sight to clean away. I’d use spent motor oil or something meant for the job.
it also can go rancid which is why you dont use veg oil for cutting boards not saying your going to be putting food in the thing but rancid oil in your first batch or 2 of plaster/cement cant be good
For the inside: Double boiled linseed oil is for wood, but it's also great on metal. It's sensitive to UV, but there isn't much of that in winter anyway.
Kris!! Get your eyes and hands protected... Lime can cause severe 'burns' and irritation. (You know how I worry about you 😊).
Thanks for sharing lot of valuable information....N keep going 👍
Should check the guys out on Edwardian Farm, They make lime in a big kiln. Need charcoal to get the heat you might need. Shows how long and what to look for when cooking the stone. But damn good job.
Don't need charcoal for it, the bavarians here do it just with wood th-cam.com/video/KYQRev6q68w/w-d-xo.html
It seems like you could also try to break the limestone into smaller chunks so you dont need to heat as long
as a tip and I'm sure you're already aware of this, you need to ensure as much of the lime absorbs the heat evenly and that is where u need to design your kiln. Look up black revolver with regard to soda ash! Might be worth making something similar! YOu don't have to turn it all the time but every now and again!
That was awesome to watch, I learned a ton!
😍 fantastic! Mental note taken!
I've watched _Primitive Kilns_ take a full 12 or more hours to "finish" cooking limestone & shells
.... & sometimes, the stone had not FULLY cooked yet. (12 or 20 hours later)
a LOT of stones end up going BACK IN to a (primitive - wood burning) kiln
The cooked stone is very very brittle & "easily" breaks up if it's fully cooked.
........................ *NEVER Done it myself tho* (not yet)
but I'm preparing to make some of my own concrete & need the quick lime for other things too
Interesting as ever Kris. I made a furnace from a gas bottle a couple of years ago to melt some ally. But the bit you might? find interesting is that I used ordinary cement for lining it.....no need for expensive 'high temp' stuff. Have a look at 'model steam engine' playlist.....might just help 😊
th-cam.com/video/_Z9xVdqGJvI/w-d-xo.html 😁
I also used normal cement. but i have much bigger plans for the lime.
I'm sure you have......look forward to seeing them.
nice sand muller you got there... Green looks good on it.
Why does it look delicious???
you can use charcoal but coal is cheap and well gets hot and takes away the 3 steps for charcoaling unless you can combine the firing processes still require an extended burn time...the slow build to 1850 degrees farenheit for 10 hours is the batch process but the temp is hard to achieve unless you can fuel the fire and charcoal in vacuum sealed barrels...at the same time the clutch firing could also cook mud brick as well...so like in industry combining processes that require similar temps is most effective ...and lime stabilized clay blocks are also an excellent building material...
fire
9:08 and this is why we wear eye protection... caustic alkali solution splattering around has a magnetic attraction to eyeballs, it clearly mistook your camera lens for a target!
Saving money on commercial lime sounds great, but do you have enough trees to fell to be able to fire several tonnes of limestone? I guess your limestone is coming from the quarry
dont get that in your eyes if you do flush with copious amounts of water immediately I got some in my eye last year when I was whitewashing my house i could not see for 2 days
amazing!! why dont they teach this stuff in school instead of teaching so much useless things?
They don't care if you are productive or not.
Really they don’t want you to be self reliant PERIOD.
Really they don’t want you to be self reliant PERIOD.
I love this channel!
when slaking the stone will off gas and the water boil...best to slake to a putty before putting it into your machine as the boiling process is quite caustic and heat would, melt the grease in the fittings and possibly blow out the seals?
This is the cooked stone they stored in castle keeps in sealed clay jugs so they could pour water into them and the boiling water and lime mixture boiling, hot oil was poured from the ramparts when the castle was under siege these gate defenses where a close kept secrets with the masons for obvious reasons....
You want it like pressed powder when it comes out. Great video!!
Very interesting!
Hey Kris thanks again for another entertaining video. Was just thinking when you were using Genny as your inverter wasn't up to the job, I've seen people run generators off of wood gas generated by fire in oil drum and Jerry can full of woodchips in the oil drum with pipe coming out the Jerry straight into carburettor of genny . Might be worth investigating if you've a plentiful supply of wood?
Good job Kris. Greetings from Italy
^ _ ^
This is very interesting, Kris; my question would be, how does your life-partner react to you cooking stones in the kitchen?
Nice to see you making your own , how long are you going to leave it to mature and do you think it may age better in open top vats just asking really intresting stuff this, looking forward to see you milling stone
I am hoping to make it over the winter and have it ready for plastering the workshop in the summer. so at least 6 months to age. i need to keep the rain water out of it, rain water will collect carbon from the air as it falls and over time the putty would absorb that and turn hard. the water in the tank will have some carbon in it but it would cause a problem if that carbon kept getting topped up all the time with rain.
So cool!
Very interesting.
Nice!
So the lime process is for sealing your cob exterior wall from weather?
How did you learn all these skills? Were you raised this way....to make and do everything for yourself? Or do you just have an insatiable desire to learn and do things? Great job though !
I just get really on to stuff and want to learn about it, end up doing stuff like this learning on the way untill i get bored. then move on. Thank you,
You should look into getting a small rock crusher. Smaller pieces will cook down much easier.
Did you build a kiln to do this eventually ?
is this the lime used in the indian and pakistani naswar and and chewing tobbaco???? please answer
No coconut?
Hi could you help me my house was built in 1895 I've been told it's lime mortar solid walls
I live near the sea front
Is it better to use
5 sand 1 hydrated lime 1 cement
Nhl 3.5 1 lime 2 and a half sand
Or quick lime 1 to 3 is quick lime hot lime
So confused 3 pointer men priced my work prices from £6000 to 11000
Please help
Don't splash that stuff in your eyes. I bet its pH is pretty high and you don't want it defatting your corneas.
the limestone market is called for to double in the next 15 years so not a bad idea to launch now ...It is not sexy but it will be profitable and slaked limestone can be stored as putty forever
build a furnace with a blower so you reach a higher temperature. would surelly make the process more effective?
Thats the plan... started it today actually
how long is that malleable? You will use this as paint or concrete mortar?
it will stay as putty as long as it is kept away from carbon dioxide. it will be stored under water for a long time.
I wish I could grind paint off that fast.
If you are building an outdoor kiln, you may as well make it reusable as a Bread Oven, just something to consider in your design.
Yum lime stew
isn't calcium carbonate used to make acetylene ?
what is the lime putty for?
Wondering if you someone can help me understand something. I've been told that unless dried wood is being burnt at very high temperatures (higher than what a wood stove can achieve) it's worse for the environment because of the greenhouse gases it releases. But then I see individuals like Kris who use wood and I'm wondering what other think. I know it's cheap for sure, but is it better for the environment?
Burning wood does release carbon dioxide but it only releases the carbon it stored by taking that carbon out of the atmosphere. Oil and gas are trapped carbon that has been trapped underground for millions of years. before then the atmosphere was much higher in c02 concentration and by burning it we out it all back in and we will change the climate back to how it was at that time. wood is not like that. wood takes carbon dioxide out of the atmosphire by means of photosythasis and when we burn it it releases it again. its call the carbon cycle. When people talk about the problem associated with burning wood they are talking about particulates and "pollution" But by this they mean Stuff that effects human to breath in rather than stuff that effects the envirmoment. Gas is much cleaner burning than wood but changes the climate, wood won't change the climate but if everyone burns it wr get smog and health issues. But one thing I can tell you for sure is wood is better for the environment, Gas is better for people in the short term.
Bro,i hope you will be experiment with caco3
Trying to say wood is better than gas is a very short sighted argument because your wood fired kiln will be a very very very small operation compared to a commercial cement powder plant. If a wood burning operation was big enough to compare to a modern gas fired operation you would first of all strip the land of trees to fuel the system and secondly you would release more CO2 per BTU (about double) with wood compared to gas.
www.volker-quaschning.de/datserv/CO2-spez/index_e.php
The history of Sudbury Ontario should be enough to tell you otherwise if a wood fire is not burned hot enough the emissions are much worse than just CO2.
I had no idea
7:33 Shouldn't you pulverize it first?
To state the almost obvious, but the smaller you can break up the rocks, the better and easier the burn will be. :)
Kris, I enjoyed watching your experimentation. For what it's worth, here is how the ancients in Israel made their quicklime en.wikipedia.org/wiki/Limepit
Stir stir stir
Algorythm bumping comment.
I hope you are wearing safety glasses working with this lime you can burn your eyes! Safety first Kris
yeah: DRINK
so: DRINK
LOL
Kris, a bit off topic, but what are your views on anarchy over the oligarchy we live in at present?
Very off-topic
This type of channel should strive to remain as apolitical as possible. No point in alienating part of your viewers.
His channel avatar should give you a hint at his political leanings and world-view. Also, anarchists are low-iq. Read a book mate.
I would have thought that one with a lower IQ would have adhered to the ideology that one man SHOULD be ruled over by another. It is quite obvious in this day and age that power corrupts, and absolute power corrupts absolutely. I don't think the question was that 'out there', after all, it seems that Kris wants to 'unplug from the matrix' and drop out of society. I think, like many, you associate anarchy with the Sex Pistols and take it to mean violence, chaos, Godlessness, and a dog eat dog society. Anarchy is simply an ideology whereas no man has the right to rule over another man, it does not mean civilisation crumbles and natural law can not be achieved?
I'm not a fascist if that's what you're referring to. The swastika (and more accurately the thundercross in my avatar) has pre-christian "pagan" roots. I'm a primitavist/tribalist. Obviously I support natural law but for humans that means social bonds and thus HIERARCHY.
the sound is still crap Kris
You could check out skillCult: th-cam.com/video/e54ISzGasdo/w-d-xo.html
WOW YOU MADE TRASH OUT OF TRASH LMAO
Very interesting.