Mistelle Posted October 22, 2012 Report Share Posted October 22, 2012 Bonjour ! During the firing of a wood kiln what color the smoke from the chimney should be ? Someone told me that a black smoke is the sign of humid wood. Is it true ? Merci ! Link to comment Share on other sites More sharing options...
TJR Posted October 23, 2012 Report Share Posted October 23, 2012 I am going to jump in here, even though I am not an expert on wood firing. I have fired a few wood kilns around the world. Black smoke is a sign of incomplete combustion. This is carbon burning off outside of the kiln. You want to time your stokes so that you get "some" smoke, but not black. I have never heard of this indicating damp wood. You could probably hear steam being given off if the wood is damp. Of course you want to avoid damp wood, as this reduces the efficiency of your firing. TJR Link to comment Share on other sites More sharing options...
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