Started my charcoal kiln

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Squiggle
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Started my charcoal kiln

Post by Squiggle » September 15th, 2016, 7:21 am

So I've been plugging away on my charcoal kiln while finishing up my mini GF & now I've probably only got a few hrs/days in the shed to go. :beer:

First I got two 205L drums. I cut one into 1/3-2/3 & burnt out the 2/3 piece.

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After leaving if for a few weeks it started to rust, but that's ok, at least the paint is gone.

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Then I got the other drum(making sure it was an open top type).

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Because I couldn't find a locking ring I had to weld four small toggle latches on the lid.

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Then I cut a hole in the side to connect the transfer pipe to the top drum. This pipe will send all the smoke & sap condensation back down into the fire to burn off.

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Next I cut up some old trampoline frame pipe to make the transfer tube

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& shaped the end, cut the hole & welded it all together.

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There will be more pics to come very soon, & hopefully some good results of cheap charcoal. :kewl:


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Re: Started my charcoal kiln

Post by Rodcrafter » September 15th, 2016, 8:10 am

Cool


Making memories.


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Re: Started my charcoal kiln

Post by Frank_Cox » September 15th, 2016, 6:06 pm

Awesome! Looks like an indirect type kiln?

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Re: Started my charcoal kiln

Post by Squiggle » September 15th, 2016, 7:49 pm

Yeah, the wood is sealed on the top drum & just heated till it turns to charcoal, all the sap & moisture goes out through transfer pipe down under into the fire & burn off. :beer:


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Re: Started my charcoal kiln

Post by ajfoxy » September 16th, 2016, 4:08 am

Looks like an very interesting project. Some time ago I looked into making a hookway charcoal retort. I'm still mulling over whether that is the way to go or not. So I'll see how your retort pans out. Nothing like copying a successful design :-)

Can't wait for the next installment of pics.


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Re: Started my charcoal kiln

Post by Squiggle » September 16th, 2016, 5:56 am

Got some more done, drilled holes to let the sap & condensation out in the fire.

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Then I welded the pipe on to the side of the top drum, also welded a support near the bottom of the drum.

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I did a test fit of the whole unit, now I just have to welde the top & bottom together, then Cut a door in the bottom for the fire.

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Re: Started my charcoal kiln

Post by Rodcrafter » September 16th, 2016, 7:13 am

:LG:

I'm liking the looks and simplicity of this build. So how long do you think it will last before burning out the bottom of the top drum?

Not at all being critical just supposing that will be the first thing to go.


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Re: Started my charcoal kiln

Post by Squiggle » September 16th, 2016, 7:20 am

Good question RC, I'm guessing since the top drum was fairly new it should last a fair few runs. I think where I keep it & how much moisture it gets in it would make a difference too, but if it ever does burn through I will just cut the drums apart & weld a 3mm(1/8in) piece in the bottom, should make it last a bit longer, or maybe I should just do it right & go 6mm(1/4in) lol. :beer:


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Re: Started my charcoal kiln

Post by Rodcrafter » September 16th, 2016, 7:28 am

I just don't know, sure don't want to criticize. I don't know if the design will work right if you make it as heavy as my first thought wants to build it.


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Re: Started my charcoal kiln

Post by Squiggle » September 16th, 2016, 9:04 am

Hahaha, I know what you mean dude, I'll probably stick with 3mm when the time comes. :kewl:


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Re: Started my charcoal kiln

Post by Dirtytires » September 17th, 2016, 10:52 pm

We used to use "burn barrels" when I was young for getting rid of yard clippings and branches and such. They lasted forever (4-6 years) just stored outside in the weather. My guess is you should be good for a while so long as you don't go too nuts with the fire.

However....our barrels had the top cut off so it was the bottoms that eventually rusted thru due to the ash buildup.



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Re: Started my charcoal kiln

Post by Squiggle » September 29th, 2016, 5:57 am

I had a little time in the shed today , had a few good ideas but that's for another thread, this thread is all about the kiln & I got it finished. I welded the top to the bottom & cut to hole in the bottom to be able to refill the fire. It was bucketing down today so I won't be able to test it till everything dries, hopefully in the next few days. :beer:

All welded together
Image

Front door cut.
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Re: Started my charcoal kiln

Post by ajfoxy » September 29th, 2016, 7:06 pm

Squiggle, that is looking good.
One question: where does the smoke go? Do you have a chimney coming through the top drum?
Having a chimney through the top drum would also provide a source of heat to the middle of your "wood stack, soon to be charcoal" in the top drum. However, as you have welded it all together I am presuming you have a different plan.


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Re: Started my charcoal kiln

Post by Squiggle » September 29th, 2016, 8:45 pm

Yeah there is a hole in the back around the vent pipe for all the smoke to go out. :kewl:

I have seen the ones with the chimney through the middle, I like the theory but the top lid seems a bit clunky with sealing it& insulating the chimney. I might try one of those next if I have no luck with this one. :beer:

I will post up some pics & maybe a video of it working later, just gotta wait for all the rain to pass & the wood to dry up. :strongbad:


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Re: Started my charcoal kiln

Post by ajfoxy » September 29th, 2016, 11:47 pm

Just bung a split at a time in the missus' microwave... dry in no time... :D

Wood in :microwave: = :bigfoot: :exp: =))


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Re: Started my charcoal kiln

Post by Squiggle » September 30th, 2016, 2:14 am

=))


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