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This is the results of about 2 weeks work of muddy work and planning. it didnt go as well as i had hoped. i think i needed way more fuel or way less limestone. The purpose of this was not to see if i an do it but to see if i can do it in a way that is worth my time. The answer to that question is no. on a very small scale its fine and i am sure in the future i will use the skills learnt here but for the workshop plastering i will be buying the lime in because the quantity is just to much for me to do like this.
Clearing some things up
it seems there is a lot of confusion around my last video, I am completely aware that more fuel and more air a taller kiln and a closed top would all improve the results. Lets look at why i didn't do those things.
1. kiln is not tall enough : If the kin was any taller it would be hard to load and unload unless i had it dug in to a hill witch is more work than i wanted to do considering i can buy the lime quite cheap.
2. Close the top of the kiln so heat cant escape: This is very true, however it would make it very dificult to unload unless i rebuilt the top of the kiln each time witch again is more work than i wanted to do considering the price i can buy it for. i could of used a larger sheet of metal but i didnt have one, and again if i am going to spend money on it i might as well just buy the quicklime...
3. Not hot enough: considering there is large bits of lime that are burn this is clearly not true. its just uneven and not enough fuel to burn all of the stone.
4. you should use charcoal: yes charcoal would be better but i would need 2 ton of it at least to burn the amount of limestone i need to plaster the workshop.
alot of the comments seem to be missing the point of the experiment. the experiment was to see if it is worthwhile for me to burn my own quicklime learn about it and provide some educational content to the channel. I found that it is quite easy to do in a wood stove, it is quite easy to do in a small efficient kiln with charcoal. if i loaded my large kiln with loads of wood and a small amount of limestone it would work fine. But the problem is doing it on any scale that gets me a large amount at a time requires Alot of work and alot of fuel. the experiment showed me that to make the two tons of quicklime i need for the workshop would take all my firewood stores and more. and take me weeks of work. i can buy the quicklime for £8.90 per 25kg so with everything else i have got to do around here it is just not worth it for me. im happy i did it and got a greater understanding of the work that goes in to it.
Hope that clears some things up
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