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May 24, 2020 - 6:34:50 AM
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1681 posts since 4/22/2018

Rainy day dog walk today, I took my boy to a local spot which has a Hoffman Lime Kiln on it. It’s a really impressive piece of engineering. I live in limestone country here and this kiln was used to produce lime for mortar and agricultural use. It’s basically a 300 yard tunnel donut that was continually burning - must have been hell to work in. It’s great that you can walk around it now, and it’s pretty eerie- there’s one dark spot where every time we get to it, a little hand gets placed in mine smiley




 

May 24, 2020 - 6:35:42 AM
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1681 posts since 4/22/2018

Couple more




May 24, 2020 - 6:44:05 AM

bubbalouie

Canada

13944 posts since 9/27/2007

Cool! My hometown Kingston is called the limestone city. There's old quarries all over. They're great for swimming when they fill up with water. When they do restoration on old buildings they get new stone from the States. The colour of their stone matches the colour of the old stone used years ago. You can see marine fossils built right in! 

Edited by - bubbalouie on 05/24/2020 06:44:41

May 24, 2020 - 10:01:03 AM

Owen

Canada

5801 posts since 6/5/2011

There were remnants of a limestone kiln on one of my parent's quarter sections.   All that was left was a mostly collapsed hole (?) in the side of a ditch.  My mom cautioned us [with good success] about not trying to go in it.   I never really knew the intracacies of it's operation, but the all-knowing Google makes me think is was likely a "flare kiln." 

I couldn't make cut-and-paste work.... on the off-chance that somebody else might be interested I think it was like the one on page 20 of this link:   file:///C:/Users/owenmaura/Downloads/STOKALKO-THESIS%20(1).pdf

May 24, 2020 - 10:03:35 AM
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10322 posts since 1/15/2005

That is very neat Jonty. I never thought much about the process to make lime. I wonder what temperature they had to fire the limestone at in the kiln. I know that to vitrify clay you have to reach a temperature of around 2000 degrees or a little more, so it seems like to turn rock into powder it would also be quite high.

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