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Kiln Brick?

 
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I have an old electric kiln, that was about 3' across. The kiln is not worth saving, but it does leave me with a lot of the liner brick, which are very soft. I have attached a picture of a small forge setup I made by sandwiching two of the bricks together and digging out the center. I know they are very fragile, but also can take a lot of heat. Has anyone used these for a heat riser? The could also be ground up and used in some sort of matrix.

thanks
Alan
IMG_2644.JPG
[Thumbnail for IMG_2644.JPG]
small forge made with kiln brick.
 
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Location: Upstate NY, zone 5
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These insulating firebrick will make a fine heat riser, or any part of the system that doesn't get a lot of abrasion. They would probably not last long in the feed tube or burn tunnel, just from mechanical damage.
 
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