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NaturalNerd 1 year ago
Nice biochar kiln. I may make one at some point, but the pit method works pretty well too. I'm not too worried about getting less biochar, wood is abundant here. This was a quick and easy approach. I still have a large amount of char. If I wasn't burning wood that was 7-10 feet in length, I would have tried a dryer drum set on the ground to plug the holes. It works as a great burn barrel when off the ground. I like to build things out of pallets and bedframes, so when I have a pile of scraps this burns it up fast. image

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Devon Olsen 1 year ago
I also prefer the cone pit for simplicity, ability to scale up or down with a shovel and a few minutes and ability to use stock in the raw. however this gives me an idea of what to do with the dryer I just tore apart for the motor
I have a lot of green & brown waste too. The simple kiln is incredible at burning through it all. Very minimal smoke even when burning green leaves. The size allows you to add whole branches and logs without spending hours chopping into smaller peices. It's a brilliant design (also not mine).
NaturalNerd's avatar
NaturalNerd 1 year ago
I imagine with a good bed of coals in that thing, it would burn almost anything. Do you have an infrared thermometer? I would be curious how hot you could get it.
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NaturalNerd 1 year ago
What are you thinking for a project. I love building out of scrap. My grandpa had added a shelf inside the shell of a dryer and had it in the garage/ shop. I thought about painting the shell black to use as a dehydrator, but I'm going with a different design.