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Posted by Chris B on October 29, 2004 at 08:48:40:
We burn wood dust and shavings primarily made up of Red Oak at about 7% moisture. I'm looking for some help in determing proper air/ fuel mixtures. We have firebox temps. in excess of 2000F and causing fusion. The ash comes out in chuncks not a powder like it should. Under grate temps are around 300 to 350F. and the grates are covered with a hard layer of ash. The refractory side walls get a glazed look and the over fire air nozzles get covered with the melted ash.