... part, usually we light the fire for 2-3 hours, then when temperature reach 450 we put out ... fire, then leave it to cool down for 10 hours, then we open the core and take the ... carbonize the wood in a traditional way, it needs 24 hours to carbonize; and the gas flow one using the ... the stove, as to shorten the producing time, it only need 8 hours to carbonize. ModelJXIV-2Self-igniteSize 3 ...