Hoffmann kiln | 社區大學終身學習網
TheHoffmannkilnisaseriesofbatchprocesskilns.Hoffmannkilnsarethemostcommonkilnusedinproductionofbricksandsomeotherceramicproducts.
Lime kiln, Willy Spahn Park in Hannover Lime kiln and chimney at Llanymynech Heritage Area, Shropshire photo: John M, geograph.org.ukThe Hoffmann kiln is a series of batch process kilns. Hoffmann kilns are the most common kiln used in production of bricks and some other ceramic products. Patented by German Friedrich Hoffmann for brickmaking in 1858, it was later used for lime-burning, and was known as the Hoffmann continuous kiln.
Construction and operation[edit]A Hoffmann kiln consists of a main fire passage surrounded on each side by several small rooms. Each room contains a pallet of bricks. In the main fire passage there is a fire wagon, that holds a fire that burns continuously. Each room is fired for a specific time, until the bricks are vitrified properly, and thereafter the fire wagon is rolled to the next room to be fired.
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Hoffmann kiln | 社區大學終身學習網
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