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Post by ZolotoyRetriever on Aug 2, 2018 4:55:14 GMT
Old movies that feature a scene of a lumber mill will invariably have one of these in the picture somewhere: called a Wigwam Burner, they were tall, conical metal towers with a mesh grate on top, and a conveyor belt that carried wood scraps, chips, bark, sawdust etc. into the unit for burning. They've pretty much been outlawed by EPA clean air rules, or lumber mills have found other ways to recycle the wood chips, such as using them in particle boards and whatnot.

Growing up in the Pacific Northwest, I used to see those all the time when I'd travel around with my parents. I vividly remember driving by one at night, and the top of it had an eerie orange glow from the hot fire burning inside. Pretty cool sight. But man, they were real smoke bombs. Not hard to see why they were banned.
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